Abstract

The present disclosure relates to a specific metallocene-catalysed multimodal medium density polyethylene (mMDPE), use of the multimodal medium density polyethylene (mMDPE) in film applications and a fim including the mMDPE.

IPC Classes  ?

• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B65D 65/40 - Applications of laminates for particular packaging purposes
• C08J 5/18 - Manufacture of films or sheets

Abstract

The invention relates to a multilayer polyethylene film comprising a skin layer, a sealant layer and a core layer located between the skin layer and the sealant layer, wherein the core layer comprises a core layer composition, the core layer composition comprising a recycled polyethylene having an MFR2 of 0.1 to 2.0 g/10 min determined according to ISO 1133 and a density of 910 to 930 kg/m3 determined according to ISO 1183, a multimodal ethylene terpolymer having an MFR2 of 0.5 to 2.0 g/10 min determined according to ISO 1133 and a density of 910 to 930 kg/m3 determined according to ISO 1183, and a polyethylene having an MFR5 of 0.1 to 2.5 g/10 min determined according to ISO 1133 and a density of 925 to 950 kg/m3 determined according to ISO 1183. The invention further relates to a process for producing the multilayer polyethylene film, the use of the core layer composition as a core layer in a multilayer polyethylene film for improving the haze and the SIT of the multilayer polyethylene film and an article comprising the multilayer polyethylene film.

IPC Classes  ?

• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind

Abstract

A flat sheet electrical heater, preferably obtainable by coextrusion or colamination, comprising: a plurality of elongate conductors, preferably evenly spaced apart from and preferably substantially parallel to each other, said conductors being at least partially embedded within and in contact with an electrically semiconductive composition with a positive temperature coefficient (PTC) comprising a polyethylene, polypropylene or a mixture thereof and a conductive filler, wherein said electrically semiconductive composition preferably is comprised in an extruded film having a machine direction and said elongate conductors are preferably parallel with the machine direction of the extruded film comprising the semiconductive composition: wherein the semiconductive composition has an electrical conductivity σ from 2 to 50 S/m, measured at 40° C. in accordance with the “Conductivity method” as described under “Determination methods”, wherein 20° C.≤TEq≤50° C. and TEq is defined as the temperature where dσ/dT is at its minimum.

IPC Classes  ?

• H05B 3/24 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible heating conductor being self-supporting
• B29C 48/07 - Flat, e.g. panels
• B29C 48/154 - Coating solid articles, i.e. non-hollow articles
• B29K 23/00 - Use of polyalkenes as moulding material
• B29K 507/04 - Carbon

Abstract

The present invention relates to a composition including a metallocene catalysed multimodal copolymer (P) of ethylene and a LDPE recyclate, to the use of the composition in film applications and to a film including the polymer composition.

IPC Classes  ?

• C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
• B65B 5/04 - Packaging single articles
• C08J 5/18 - Manufacture of films or sheets

Abstract

The present invention relates to a halogen-free flame retardant polymer composition, particularly a flame retardant polymer composition comprising zirconium phosphate and further relates to a wire or cable comprising at least one layer comprising the above flame retardant polymer composition and to the use of zirconium phosphate for improving the flame retardant and/or water absorption properties of a polymer composition. The flame retardant polymer composition comprises at least (A) 2.0 to 49.8 wt.-%. based on the overall weight of the polymer composition of an ethylene copolymer containing monomer units with polar groups: (C) 30 to 65 wt.-%, based on the overall weight of the polymer composition of a flame retardant filler: (D) 2.0 to 10.0 wt.-%, based on the overall weight of the polymer composition of zirconium phosphate. and optionally (B) up to 6.0 wt.-%, based on the overall weight of the polymer composition of an ethylene homo-or copolymer and/or a propylene homo-or copolymer containing units originating from maleic acid anhydride and/or further optionally (E) up to 17.0 wt.-% based on the overall weight of the polymer composition of a copolymer of ethylene and a C4 to C10 alpha olefin comonomer having a density in the range of 860 kg/m3 to 965 kg/m3, determined according to ISO 1183.

IPC Classes  ?

• C08L 23/0853 - Ethene vinyl acetate copolymers
• C08K 3/22 - OxidesHydroxides of metals
• C08K 3/32 - Phosphorus-containing compounds
• H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins
• H01B 7/295 - Protection against damage caused by external factors, e.g. sheaths or armouring by extremes of temperature or by flame using material resistant to flame

Abstract

A composition is disclosed which includes a metallocene catalysed medium density polyethylene (MDPE) and a mixed-plastic-polyethylene recycling blend, with films and methods of use of the composition in film applications and films including the polymer composition.

IPC Classes  ?

• C08L 23/06 - Polyethene
• C08J 5/18 - Manufacture of films or sheets

Abstract

The present invention relates to a composition including a metallocene catalysed multimodal copolymer (P) of ethylene and a LDPE recyclate, to the use of the composition in film applications and to a film including the polymer composition.

IPC Classes  ?

• C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
• C08J 5/18 - Manufacture of films or sheets

Abstract

The present invention relates to a polymer composition comprising a propylene homopolymer (A) in an amount of 70 to 99 wt. % based on the total amount of the polymer composition, wherein the polypropylene homopolymer (A) has a melt flow rate, MFR2 (230° C./2.16 kg), as measured according to ISO 1133 in the range of 30 to 250 g/10 min, a content of 2,1 and 3,1 regio-defects of 0.0 to 1.0 mol % as measured by 13C NMR, a pentad isotacticity (mmmm) in the range of 90.0 to 99.9% as measured by 13C NMR, and a molecular weight distribution, MWD, in the range of 2.0 to 15.0; and a hydrocarbon resin (B) in an amount of from 1 to 30 wt. % based on the total amount of the polymer composition; wherein the polymer composition has a melt flow rate, MFR2 (230° C./2.16 kg), as measured according to ISO 1133 in the range of 30 to 250 g/10 min. The invention also relates to a process for producing the polymer composition, the use of the polymer composition for injection moulding, the use of the polymer composition for producing packaging articles and an article produced from the polymer composition.

IPC Classes  ?

• C08L 23/12 - Polypropene

Abstract

The present disclosure relates to a composition including a specific metallocene-catalysed multimodal polyethylene copolymer and a polyethylene wax, to the use of the composition in film applications and to a film including the composition.

IPC Classes  ?

• C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
• C08F 4/659 - Component covered by group containing a transition metal-carbon bond
• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers

Abstract

Multilayer films including at least one layer, being a sealing layer, and one layer, with beneficial heat sealing and hot tack properties. A multilayer packaging film includes a sealing layer based on a specific multimodal metallocene catalysed LLDPE.

IPC Classes  ?

• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• C08L 23/06 - Polyethene

Abstract

The invention relates to a foamable polymer composition comprising a polyolefin polymer which polyolefin polymer does not bear silane moieties and comprises 20 to 99.99 wt. % linear low density polyethylene, and a blowing agent in an amount of 0.01 to 3 wt. % based on the total foamable polymer composition, wherein the blowing agent consists of citric acid and/or derivatives of citric acid or mixtures thereof. Further the invention relates to a foamable polymer composition comprising a polyolefin polymer, and a blowing agent in an amount of 0.01 to 3 wt. % based on the total foamable polymer composition, wherein the blowing agent consists of expandable polymeric microspheres, and the composition does not comprise fluororesin. The invention relates to a foamable polymer composition comprising a polyolefin polymer which polyolefin polymer does not bear silane moieties and comprises 20 to 99.99 wt. % linear low density polyethylene, and a blowing agent in an amount of 0.01 to 3 wt. % based on the total foamable polymer composition, wherein the blowing agent consists of citric acid and/or derivatives of citric acid or mixtures thereof. Further the invention relates to a foamable polymer composition comprising a polyolefin polymer, and a blowing agent in an amount of 0.01 to 3 wt. % based on the total foamable polymer composition, wherein the blowing agent consists of expandable polymeric microspheres, and the composition does not comprise fluororesin. Further the invention relates to a foamed polymer composition obtained by foaming this foamable polymer composition. Further the invention relates to the use of the foamable composition or the foamed polymer composition for a layer of a cable and a cable comprising at least one layer which comprises the foamable polymer composition or the foamed polymer composition.

IPC Classes  ?

• C08J 9/08 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing carbon dioxide
• C08J 9/32 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof from compositions containing microballoons, e.g. syntactic foams
• C08K 5/092 - Polycarboxylic acids
• C08K 5/098 - Metal salts of carboxylic acids
• C08K 5/11 - EstersEther-esters of acyclic polycarboxylic acids
• C08K 5/521 - Esters of phosphoric acids, e.g. of H3PO4
• C08K 7/22 - Expanded, porous or hollow particles
• H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins
• H01B 13/14 - Insulating conductors or cables by extrusion

Abstract

Multilayered film comprising at least one layer (A), being a sealing layer (SL), and one layer (B), being a skin layer (SKL) with beneficial heat sealing, hot tack and optical properties. In particular, the invention relates to a multilayer packaging film comprising at least a sealing layer (SL) based on a specific multimodal metallocene catalysed LLDPE and a layer (B) based on a multimodal high density polyethylene.

IPC Classes  ?

• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• C08L 23/06 - Polyethene
• C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms

Abstract

Fiber reinforced composite comprising polypropylene produced in the presence of a metallocene catalyst, a heterophasic propylene copolymer produced in the presence of a Ziegler-Natta catalyst and glass fibers.

IPC Classes  ?

• C08L 23/12 - Polypropene
• C08K 7/14 - Glass

Abstract

A metallocene-catalysed multimodal medium density polyethylene (mMDPE) is disclosed, with films and methods of use of the multimodal medium density polyethylene (mMDPE) in film applications, and a film including the mMDPE.

IPC Classes  ?

• C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms

Abstract

New, improved silica supported catalyst system, which comprises a specific class of metallocene complexes in combination with a boron containing cocatalyst and an aluminoxane cocatalyst, its use for producing propylene homopolymers, propylene copolymers, especially with ethylene, as well as heterophasic propylene copolymers, preferably in a multistep process including a gas phase polymerization step.

IPC Classes  ?

• C07F 17/00 - Metallocenes
• C08F 4/649 - Catalysts containing a specific non-metal or metal-free compound organic
• C08F 4/659 - Component covered by group containing a transition metal-carbon bond
• C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
• C08F 10/06 - Propene
• C08F 110/06 - Propene

Abstract

Disclosed is a polymer composition comprising (A) 30.0 to 80.0 wt.-% of the polymer composition of a single-site catalyst produced C2C3 heterophasic copolymer (HECO) having a melting point of 150 to 162° C.; a MFR2 (230° C., 2.16 kg) of 5.0 to 40.0 g/10 min; a total C2-content of 1 to 10 wt.-% of component (A); and a soluble fraction (SF) based on the total weight of component (A) of 10 to 50 wt.-%; 20.0 to 70.0 wt.-% of component (B) which is a propylene homopolymer having a MFR2 (190° C., 2.16 kg) of 1.0 to 20.0 g/10 min; and a F30 melt strength of at least 10 cN; wherein (A) and (B) add up to 100 wt.-%. Also disclosed are a film comprising the polymer composition and coated articles comprising said polymer composition.

IPC Classes  ?

• C09D 123/26 - Coating compositions based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCoating compositions based on derivatives of such polymers modified by chemical after-treatment
• B65D 65/42 - Applications of coated or impregnated materials

Abstract

Loop-Loop-gas-phase reactor polypropylene plant and process for producing polypropylene and polypropylene copolymers.

IPC Classes  ?

• B01J 19/24 - Stationary reactors without moving elements inside
• C08F 2/34 - Polymerisation in gaseous state
• C08F 10/06 - Propene

Abstract

The present invention relates to a process for modifying a post-consumer recycled polyolefin composition comprising the steps of (A) providing a post-consumer recycled polyolefin composition having a starting melt flow rate MFR2 (1), determined according to ISO 1133 at 2.16 kg load, 230° C., in the range of from 1.0 to 100 g/10 min, and comprising, based on the total weight of the post-consumer recycled polyolefin composition, determined by FTIR spectroscopy, (a) at least 50 wt.-% of one or more propylene (co)polymer component(s) and (b) up to 50 wt.-% of one or more ethylene (co)polymer component(s); (B) adding 0.10 to 1.50 wt.-%, based on the total weight of the post-consumer recycled polyolefin composition, of a radical initiator to the post-consumer recycled polyolefin composition and optionally mixing the components to form a mixture (1); (C) adding 0.05 to 0.50 wt.-%, based on the total weight of the post-consumer recycled polyolefin composition, of a twofold unsaturated hydrocarbon compound having the general formula (1) CH2═CH—(R)—CH—CH2, wherein R may be present or absent, and if being present, R is an aliphatic or aromatic hydrocarbon group comprising from 1 to 6 carbon atoms, and mixing the components to form a mixture (2); and (D) extruding the mixture (2) at a temperature in the range of from 180 to 300° C. to obtain a modified polyolefin composition having a final melt flow rate MFR2 (2), determined according to ISO 1133 at 2.16 kg load, 230° C.; wherein the ratio of MFR2 (2): MFR2 (1) is below 1.00. The present invention also relates to a modified polyolefin composition obtained by the process, as well as to the use of the modified polyolefin composition in the manufacture of an article, and to a respective article.

IPC Classes  ?

• C08F 8/02 - Alkylation

Abstract

Polypropylene-polyethylene composition containing recyclate with high Vicat softening temperature and high heat deflection temperature.

IPC Classes  ?

• C08L 23/16 - Ethene-propene or ethene-propene-diene copolymers
• C08J 3/20 - Compounding polymers with additives, e.g. colouring
• C08L 23/14 - Copolymers of propene

Abstract

The present invention relates to a multi-layered article comprising at least a specific oriented polyethylene-based film (OPEF) and a specific non-oriented polyethylene-based film (NOPEF). Furthermore, the present invention relates to a method for producing said article and its use as a packaging material.

IPC Classes  ?

• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor
• B29C 48/08 - Flat, e.g. panels flexible, e.g. films
• B29C 48/21 - Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
• B29K 23/00 - Use of polyalkenes as moulding material
• B29L 9/00 - Layered products
• B32B 5/14 - Layered products characterised by the non-homogeneity or physical structure of a layer characterised by a layer differing constitutionally or physically in different parts, e.g. denser near its faces
• B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 27/16 - Layered products essentially comprising synthetic resin specially treated, e.g. irradiated
• B32B 37/12 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
• B32B 37/14 - Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers

Abstract

Disclosed is a polymer composition comprising at least the following components: A) 75 to 95.5 wt.-% based on the overall weight of the polymer composition of a polymer blend, comprising polypropylene and polyethylene and wherein A) is a recycled material; (B) 4.5 to 25 wt.-% based on the overall weight of the polymer composition of a virgin ethylene alkyl (meth)acrylate having MFR2 (190° C., 2.16 kg) per ISO 1133 from 0.1 to 15 g/10 min; and an alkyl (meth)acrylate content of component B) in the range from 5 to 40 wt.-%; the weight proportions of A) and B) add up to 100 wt.-%. Also disclosed is a process for manufacturing the polymer composition, to the use of (B) for increasing the mechanical properties of polymer blend A).

IPC Classes  ?

• C08L 23/12 - Polypropene
• C08J 3/20 - Compounding polymers with additives, e.g. colouring

Abstract

The present invention relates to a method for recovering energy comprising the steps of: a) Providing a hot fluid stream; b) Thermally contacting the hot fluid stream with an aqueous condensate in a heat exchanger, thereby transferring heat from the hot fluid stream to the aqueous condensate and vaporizing at least part of the aqueous condensate to obtain a steam stream having a temperature T1 and a pressure p1; c) Subjecting the steam stream to at least one compressing step(s) to obtain a compressed steam stream having a pressure p2; and d) Using the compressed steam stream for energy recovery thereby obtaining a stream comprising an aqueous condensate, wherein—the ratio of pressure p2 to pressure p1, p2/p1, is 5 to 50; a facility for recovering energy comprising one or more means for compressing the steam stream having a temperature T1 and a pressure p1 to obtain a compressed steam stream having a pressure p2, and the use of one or more means for compressing a steam stream connected in series in said method or facility for compressing a steam stream having a temperature T1 and a pressure p1 to obtain a compressed steam stream having a pressure p2 for direct energy recovery.

IPC Classes  ?

• F01K 25/10 - Plants or engines characterised by use of special working fluids, not otherwise provided forPlants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether

Abstract

The present disclosure relates to a metallocene-catalysed multimodal polyethylene copolymer, to the use of the multimodal copolymer of ethylene in film applications and to a film including the polymer.

IPC Classes  ?

• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
• C08J 5/18 - Manufacture of films or sheets

Abstract

The present disclosure relates to a metallocene-catalysed multimodal polyethylene copolymer, to the use of multimodal copolymer of ethylene in film applications, and to a film including the polymer composition of the disclosure.

IPC Classes  ?

• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
• C08J 5/18 - Manufacture of films or sheets

Abstract

The present disclosure relates to a metallocene-catalysed multimodal polyethylene copolymer, to the use of the multimodal copolymer of ethylene in film applications and to a film including a polymer composition of the disclosure.

IPC Classes  ?

• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
• C08J 5/18 - Manufacture of films or sheets

Abstract

A polyolefin composition is provided including 60-95 wt % (based on the overall weight of the polyolefin composition) of at least one heterophasic propylene copolymer (HECO) with a total ethylene (C2) content (as determined according to CRYSTEX QC analysis) of 0.5 to 4.5 wt.-%, and a xylene cold soluble fraction (determined at 25° C. according to ISO 16152) of 2-9 wt % and a melt flow rate MFR2 (ISO 1133, 2.16 kg, 230° C., measured according to ISO 1133) of 0.1 to 1 g/10, 5-40 wt % (based on the overall weight of the polyolefin composition) of a mixed-plastics polypropylene blend of recycled material having an ethylene (C2) content determined according to CRYSTEX QC analysis of 5 to 35 wt %, and optionally further additives, wherein the sum of all ingredients always adds up to 100 wt %.

IPC Classes  ?

• C08L 23/14 - Copolymers of propene
• C08K 5/00 - Use of organic ingredients

Abstract

The present invention relates to a cable comprising at least one layer comprising a polypropylene composition comprising (A) from 80.0 to 99.0 wt.-%, preferably from 82.5 to 97.2 wt. %, most preferably from 85.0 to 95.0 wt.-% of a copolymer of propylene and comonomer units selected from ethylene and alpha-olefins having from 4 to 12 carbon atoms having a total amount of comonomer units of from 10.0 to 16.0 wt %, preferably from 11.0 to 15.0 wt %, most preferably from 12.0 to 14.0 wt %, based on the total amount of monomer units of the copolymer of propylene (A); a melt flow rate MFR2 of from 0.5 to 2.5 g/10 min, preferably from 0.8 to 2.3 g/10 min, still more preferably from 1.0 to 2.0 g/10 min and most preferably from 1.2 to 1.7 g/10 min; a xylene cold soluble (XCS) fraction in a total amount of from 25.0 to 50.0 wt %, preferably from 27.5 to 45.0 wt %, more preferably from 30.0 to 42.5 wt % and most preferably from 32.5 to 40.0 wt %, based on the total weight amount of the copolymer of propylene (A); and (B) from 1.0 to 20.0 wt.-%, preferably from 2.5 to 17.5 wt %, most preferably from 5.0 to 15.0 wt.-% of a propylene polymer having a density of from 855 to 890 kg/m, preferably from 860 to 885 kg/m3, mot preferably from 865 to 880 kg/m3.

IPC Classes  ?

• C08L 23/16 - Ethene-propene or ethene-propene-diene copolymers
• C08K 3/22 - OxidesHydroxides of metals
• C08K 5/00 - Use of organic ingredients
• C08K 5/098 - Metal salts of carboxylic acids
• C08K 5/105 - EstersEther-esters of monocarboxylic acids with phenols
• C08K 5/524 - Esters of phosphorous acids, e.g. of H3PO3

Abstract

Blown film of a polypropylene composition comprising an ethylene-propylene copolymer and polyethylene glycol.

IPC Classes  ?

• C08L 23/14 - Copolymers of propene
• C08J 5/18 - Manufacture of films or sheets
• C08K 5/523 - Esters of phosphoric acids, e.g. of H3PO4 with hydroxyaryl compounds

Abstract

The present disclosure relates to a metallocene-catalysed multimodal polyethylene copolymer, to the use of multimodal copolymer of ethylene in film applications, and to a film including the polymer composition of the disclosure.

IPC Classes  ?

• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
• C08F 2/01 - Processes of polymerisation characterised by special features of the polymerisation apparatus used
• C08F 4/659 - Component covered by group containing a transition metal-carbon bond
• C08J 5/18 - Manufacture of films or sheets

Abstract

A process for producing a mixture of hydrocarbons from plastic waste, the process comprising the steps of a) contacting the plastic waste with steam and a hydrogen controlling material comprising at least one transition metal and/or its oxide, wherein the transition metal is not in its highest oxidation state, thereby forming a mixture of gaseous hydrocarbons and a mixture of condensed hydrocarbons, and oxidizing the hydrogen controlling material to an oxidized hydrogen controlling material; and x) withdrawing a mixture of hydrocarbons in gaseous form.

IPC Classes  ?

• C10G 47/04 - Oxides

Abstract

The present invention relates to a method for recovering energy in which heat is transferred to a first heat transfer fluid. the heated first heat transfer fluid is compressed and the compressed heat transfer fluid is used for vaporizing an aqueous condensate to steam, which can be used for heat recovery. The invention further relates to a facility for recovering steam and the use of one or more means for compressing a heated first heat transfer fluid for compressing a heated first heat transfer fluid to obtain a compressed first heat transfer fluid having a pressure p2 for transferring heat and vaporizing an aqueous condensate.

IPC Classes  ?

• F01K 25/10 - Plants or engines characterised by use of special working fluids, not otherwise provided forPlants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
• B01J 8/18 - Chemical or physical processes in general, conducted in the presence of fluids and solid particlesApparatus for such processes with fluidised particles
• C09K 5/04 - Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice-versa
• F22B 1/16 - Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being hot liquid or hot vapour, e.g. waste liquid, waste vapour

Abstract

The present disclosure relates to a polymer composition including (a) 80 to 99 wt.-% based on a total weight of the polymer composition of a specific metallocene-catalysed multimodal polyethylene copolymer and (b) 1 to 20 wt.-% based on the total weight of the polymer composition of a specific plastomer being a copolymer of propylene and 1-butene; wherein the weight proportions of components (a) and (b) add up to 100 wt.-%. Furthermore, the present disclosure relates to a film having the polymer composition, to its use for producing the film and to the use and/or inclusion of the film as packaging material.

IPC Classes  ?

• C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
• C08J 5/18 - Manufacture of films or sheets

Abstract

The present invention relates to a foam composition comprising a) a resin composition comprising a1) 25 to 100 phr of a copolymer of ethylene and alkyl (meth)acrylate, wherein the alkyl (meth)acrylate is selected from the group consisting of methyl (meth)acrylate and butyl (meth)acrylate; and a2) 0 to 75 phr of a copolymer of ethylene and vinyl acetate; and 1 to 25 phr of foam composition additives. The present invention also relates to a foam material obtainable from the foam composition, and a method of making an article comprising the foam material, as well as to a footwear article comprising the foam material.

IPC Classes  ?

• C08J 9/10 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen
• C08J 3/24 - Crosslinking, e.g. vulcanising, of macromolecules
• C08J 9/00 - Working-up of macromolecular substances to porous or cellular articles or materialsAfter-treatment thereof
• C08K 5/14 - Peroxides

Abstract

Laminated film structure comprising at least one first film having a thin ceramic or metal coating, being laminated to a second film and whereby the laminated film structure is based on polyethylene only, i.e. polymers other than polyethylene are substantially absent and whereby the laminated film structure has good barrier properties

IPC Classes  ?

• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 27/16 - Layered products essentially comprising synthetic resin specially treated, e.g. irradiated
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins

Abstract

The present invention relates to a polyolefin composition comprising a cross-linkable polyolefin with hydrolysable silane groups, an acidic silanol condensation catalyst, titanium dioxide, and at least one UV stabilizer according to formula (I), (II) and/or (III), an article comprising such a composition and the use of such as composition for the production of an article.

IPC Classes  ?

• C08F 210/02 - Ethene
• C08K 3/22 - OxidesHydroxides of metals
• C08K 5/3475 - Five-membered rings condensed with carbocyclic rings
• C08K 9/04 - Ingredients treated with organic substances
• H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins

Abstract

The invention provides a uniaxially oriented multilayer film comprising at least a sealing layer, a core layer and an outer layer, wherein at least one of said layers, preferably the sealing layer, comprises a metallocene-catalysed multimodal polyethylene terpolymer having a density in the range of from 910 to 916 kg/m3 and an MFR2 (190° C., 2.16 kg, ISO 1133) in the range of from 0.1 to 2.5 g/10 min.

IPC Classes  ?

• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind

Abstract

Mixed-plastic polypropylene blend being particular suitable for flexible applications.

IPC Classes  ?

• C08L 23/12 - Polypropene

Abstract

Provided is polyolefin composition including a) 35-65 wt % (based on the overall weight of the polyolefin composition) of at least one heterophasic polypropylene copolymer with a total ethylene C2 content of 6-15 wt %, an ethylene content of the soluble fraction C2 (SF) content of 25-40 wt % and with a melt flow rate MFR2 (230° C., 2.16 kg, measured according to ISO 1133) in the range of 60 to 90 g/10 min; and b) 35-65 wt % (based on the overall weight of the polyolefin composition) of a blend of recycled plastic material comprising polypropylene and polyethylene in a ratio of 3:7 to 49.5:1, which is recovered from a waste plastic material derived from post-consumer and/or post-industrial waste, c) optionally further additives, wherein the sum of all ingredients always adds up to 100 wt %.

IPC Classes  ?

• C08L 23/14 - Copolymers of propene
• B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor
• B29C 48/39 - Plasticisers, homogenisers or feeders comprising two or more stages a first extruder feeding the melt into an intermediate location of a second extruder
• B29C 48/40 - Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws, e.g. twin screw extruders
• B29K 23/00 - Use of polyalkenes as moulding material
• B29K 105/00 - Condition, form or state of moulded material
• C08F 2/01 - Processes of polymerisation characterised by special features of the polymerisation apparatus used
• C08F 210/06 - Propene
• C08K 5/13 - PhenolsPhenolates
• C08K 5/14 - Peroxides

Abstract

A submarine cable core comprising a conductor which is surrounded by at least an inner semiconductive layer, an insulation layer and an outer semiconductive layer in that order; wherein said insulation layer comprises: a low density polyethylene homopolymer or low density polyethylene copolymer with at least one polyunsaturated comonomer and optionally one or more further comonomers; and, a copolymer comprising at least one polar comonomer selected from the group consisting of an alkyl acrylate, an alkyl methacrylate or vinyl acetate, wherein the amount of polar monomer units in the insulation layer is from 1 to 150 micromol per gram based on the total amount of polymer components in the insulation layer.

IPC Classes  ?

• C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
• C08L 23/0853 - Ethene vinyl acetate copolymers
• C08L 23/0869 - Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen with unsaturated acids, e.g. [meth]acrylic acidCopolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen with unsaturated esters, e.g. [meth]acrylic acid esters
• H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins
• H01B 7/14 - Submarine cables

Abstract

The invention provides a metallocene-catalysed multimodal ethylene-1-butene random copolymer, having a density in the range of from 910 to 930 kg/m3, an MFR2 determined according to ISO 1133 at 190° C. and 2.16 kg in the range of from 0.1 to 3.0 g/10 min, a 1-butene content in the range of 1.0 to 20 wt %, an isolated 1-butene comonomer unit amount (EBE %) of greater than 97.0%, whereby the isolated 1-butene comonomer unit amount is calculated according to formula (I), wherein EBE represents amount of comonomer sequence of ethylene, 1-butene and ethylene per 1000 carbon (kCb), EBB represents amount of comonomer sequence of ethylene, 1-butene and 1-butene per 1000 carbon (kCb) and BBB represents amount of comonomer sequence of three consecutive 1-butenes per 1000 carbon (kCb) as described under “Determination methods”; and a ratio of the MFR21 determined according to ISO 1133 at 190° C. and 21.6 kg to MFR2 determined according to ISO 1133 at 190° C. and 2.16 kg, MFR21/MFR2, in the range of 22 to 100. The invention provides a metallocene-catalysed multimodal ethylene-1-butene random copolymer, having a density in the range of from 910 to 930 kg/m3, an MFR2 determined according to ISO 1133 at 190° C. and 2.16 kg in the range of from 0.1 to 3.0 g/10 min, a 1-butene content in the range of 1.0 to 20 wt %, an isolated 1-butene comonomer unit amount (EBE %) of greater than 97.0%, whereby the isolated 1-butene comonomer unit amount is calculated according to formula (I), wherein EBE represents amount of comonomer sequence of ethylene, 1-butene and ethylene per 1000 carbon (kCb), EBB represents amount of comonomer sequence of ethylene, 1-butene and 1-butene per 1000 carbon (kCb) and BBB represents amount of comonomer sequence of three consecutive 1-butenes per 1000 carbon (kCb) as described under “Determination methods”; and a ratio of the MFR21 determined according to ISO 1133 at 190° C. and 21.6 kg to MFR2 determined according to ISO 1133 at 190° C. and 2.16 kg, MFR21/MFR2, in the range of 22 to 100. EBE ⁢ % = 100 × E ⁢ B ⁢ E E ⁢ B ⁢ E + E ⁢ B ⁢ B + B ⁢ B ⁢ B ( I )

IPC Classes  ?

• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
• C08J 5/18 - Manufacture of films or sheets
• C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms

Abstract

The present disclosure relates to a multilayered film including a skin layer, a core layer and a sealing layer; wherein at least the core layer includes a specific metallocene-catalysed multimodal polyethylene copolymer. The present disclosure furthermore relates to the use of the multilayered film as packaging material.

IPC Classes  ?

• C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins

Abstract

The present disclosure relates to a specific multilayered film including a skin layer, a core layer and a sealing layer; wherein the core layer includes (a) 5 to 40 wt. % based on the total weight of the core layer of a specific metallocene-catalysed multimodal polyethylene copolymer and (b) 60 to 95 wt.-% based on the total weight of the core layer of a specific multimodal Ziegler-Natta catalysed linear low density polyethylene wherein components (a) and (b) add up to 100 wt.-%. The present disclosure further relates to the use of the multilayered film as packaging material.

IPC Classes  ?

• B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor
• B29B 9/06 - Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
• B29C 48/08 - Flat, e.g. panels flexible, e.g. films
• B29C 48/10 - Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
• B29C 48/21 - Articles comprising two or more components, e.g. co-extruded layers the components being layers the layers being joined at their surfaces
• B29K 23/00 - Use of polyalkenes as moulding material
• B29K 105/00 - Condition, form or state of moulded material
• B29L 9/00 - Layered products

Abstract

The present invention relates to a new biaxially oriented polypropylene (BOPP) film, a process for the preparation of such film as well as the use of a beta-nucleated polypropylene homopolymer for the preparation of such film and an article comprising such film.

IPC Classes  ?

• C08J 5/18 - Manufacture of films or sheets
• C08F 110/06 - Propene
• C08L 23/12 - Polypropene
• C08K 5/00 - Use of organic ingredients
• C08J 3/22 - Compounding polymers with additives, e.g. colouring using masterbatch techniques

Abstract

The present invention relates to a multilayer polyethylene film for soil solarisation comprising two linear low density polyethylenes, a soil solarisation system comprising the multilayer polyethylene film and the use of the multilayer polyethylene film for soil solarisation.

IPC Classes  ?

• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• C08J 5/18 - Manufacture of films or sheets
• C08L 23/06 - Polyethene

Abstract

The invention relates to a polymer composition (PC) comprising (a) a polyethylene (PE), which does not contain hydrolysable silane groups, (b) an ethylene (meth)acrylate copolymer (EAC), (c) a silanol condensation catalyst (SCC), and (d) a scorch retardant additive (SRA). The invention further relates to use of said polymer composition (PC) as a masterbatch for the preparation of cross-linkable polymer compositions, to said cross-linkable polymer compositions, and to articles comprising said cross-linkable polymer compositions.

IPC Classes  ?

• C08F 110/02 - Ethene
• C08J 3/22 - Compounding polymers with additives, e.g. colouring using masterbatch techniques
• C08K 5/5419 - Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
• C08L 23/0869 - Copolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen with unsaturated acids, e.g. [meth]acrylic acidCopolymers of ethene with unsaturated hydrocarbons containing atoms other than carbon or hydrogen with unsaturated esters, e.g. [meth]acrylic acid esters

Abstract

The present invention is directed to a process for modifying a mixed-plastic-polyethylene recycling blend to reduce its gel content. The present invention is also directed to a modified mixed-plastic-polyethylene recycling blend obtained by the process, as well as to a film comprising the modified mixed-plastic-polyethylene recycling blend.

IPC Classes  ?

• C08F 8/50 - Partial depolymerisation
• C08J 11/22 - Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation by treatment with organic material by treatment with organic oxygen-containing compounds

Abstract

The present invention is directed to a process for modifying a mixed-plastic-polyethylene recycling blend to reduce its gel content and crosslinking content. The present invention is also directed to a modified mixed-plastic-polyethylene recycling blend obtained by the process, as well as to a film comprising the modified mixed-plastic-polyethylene recycling blend.

IPC Classes  ?

• C08F 255/02 - Macromolecular compounds obtained by polymerising monomers on to polymers of hydrocarbons as defined in group on to polymers of olefins having two or three carbon atoms

Abstract

The present invention is directed to base resin (B) comprising a polyethylene composition (PC), said polyethylene composition (PC) comprising a first ethylene polymer (B1) and a second ethylene polymer (B2) having a higher weight average molecular weight than the first ethylene polymer (B1). Further, the present invention is directed to a pipe comprising said base resin (B).

IPC Classes  ?

• C08L 23/06 - Polyethene
• C08L 23/08 - Copolymers of ethene
• C08F 2/00 - Processes of polymerisation
• C08F 110/02 - Ethene
• F16L 9/12 - Rigid pipes of plastics with or without reinforcement

Abstract

The present invention relates to polyethylene mixed color blend having (i) a melt flow rate (ISO1133, 5.0 kg; 190° C.) of 0.1 to 10 g/10 min, (ii) a density of 950 to 990 kg/m3 (ISO1183); (iii) a C2 fraction in amount of at least 95.0 wt.-%, as measured by 13C-NMR of the d2-tetrachloroethylene soluble fraction; (iv) a homopolymer fraction (HPF) content determined according to Chemical Composition Analysis by Cross Fractionation Chromatography (CFC) in the range from 73.0 to 91.0 wt.-%; (v) a copolymer fraction (CPF) content determined according to Chemical Composition Analysis Cross Fractionation Chromatography (CFC) in the range from 10.0 to 22.0 wt.-%; (vi) a total content of heavy metals selected from Cr, Cd, Hg and Pb of not more than 100 ppm with respect to the total polyethylene blend, as measured by x-ray fluorescence (XRF); and (vii) a Full Notch Creep Test (FNCT) determined according to ISO 16770-2019 at 50° C. and 6.0 MPa in 2 wt.-% Arkopal N100, of at least 3.0 h time to failure, wherein the polyethylene mixed color blend has a CIELAB color space (L*a*b*) measured according to DIN EN ISO 11664-4, as described herein, of L* from 30.0 to 73.0; a* from −10 to 25; and b* from −5 to 20. The invention further relates to a method of recycling a polyethylene mixed color material to obtain the above blend and to articles made from the above polyethylene mixed color blend.

IPC Classes  ?

• C08L 23/06 - Polyethene
• B29B 17/02 - Separating plastics from other materials
• B29B 17/04 - Disintegrating plastics
• C08J 3/20 - Compounding polymers with additives, e.g. colouring

Abstract

Living hinge consisting of a polypropylene composition comprising as main component a propylene copolymer having comonomer content in the range of 2.0 to 6.5 mol-% and an alpha-nucleating agent.

IPC Classes  ?

• C08L 23/14 - Copolymers of propene
• B29C 45/00 - Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mouldApparatus therefor
• B29K 23/00 - Use of polyalkenes as moulding material
• B29L 31/22 - Hinges

Abstract

The present invention relates to a polyethylene composition with improved rheological properties, while maintaining thermal properties and mechanical properties, the polyethylene composition having a MFR5 (5.0 kg, 190 °C, ISO 1133) of 0.1 to 4.0 g/10min, and a viscosity at a constant shear stress of 747 Pa, eta747, of equal to or more than 130 kPa•s, said polyethylene composition being obtainable or obtained by a process comprising the steps of a) providing a polyethylene base resin (A) having a MFR5 (5.0 kg, 190 °C, ISO 1133) of 0.1 to 3.0 g/10min and optionally comprising a content of one or more C3 to C12 alpha-olefin co-monomer(s) of from 1 to 10 wt.-%, based on the total weight of the polyethylene base resin (A), preferably further melting the polyethylene base resin (A) in an extruder, b) mixing said polyethylene base resin (A) in an amount of from 73.5 to 99.99 wt.-% with a radical initiator (B), selected from the group consisting of the peroxy compounds according to formulae (I) to (III), in an amount of from 0.01 to 1.5 wt.-%, based on the total weight of a resulting mixture, and any mixtures thereof, preferably melt mixing said polyethylene base resin (A) with the radical initiator (B) in a melt mixing device, such as an extruder; and c) reacting said polyethylene base resin (A) and the radical initiator (B) at a temperature within the range of from 150 to 300 °C, thereby obtaining the polyethylene composition. The present invention further relates to a process for producing the polyethylene composition, to articles comprising the polyethylene composition, and to the use of the polyethylene composition for making an article, preferably a pipe or a supplementary pipe article.

IPC Classes  ?

• C08L 23/02 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers not modified by chemical after-treatment
• C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms

Abstract

22241212 alpha-olefin comonomer(s) in the range of from 1 to 10 wt.-% based on the total weight of the propylene copolymer (A), preferably further melting the propylene copolymer (A) in an extruder; b) mixing said propylene copolymer (A) in an amount within the range of from 67.0 to 99.5 wt.-% with a radical initiator (B) in an amount within the range of from 0.1 to 2.0 wt.-%, each based on the total weight of a resulting mixture, the radical initiator (B) being selected from the group consisting of the peroxy compounds according to formulae (I) to (III) disclosed and defined herein, preferably melt mixing said propylene copolymer (A) with the radical initiator (B) in a melt mixing device, such as an extruder, and c) reacting said propylene copolymer (A) and the radical initiator (B) at a temperature within the range of from 150 to 300 °C, thereby obtaining the polypropylene composition. The invention further relates to a process for producing said polypropylene composition, to an article comprising the polypropylene composition and to the use of the polypropylene composition for making an article, preferably a pipe or a supplementary pipe article.

IPC Classes  ?

• C08F 8/00 - Chemical modification by after-treatment
• C08L 23/26 - Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bondCompositions of derivatives of such polymers modified by chemical after-treatment
• C08K 5/14 - Peroxides
• C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms

Abstract

A method for preparing a stable lignin-phenol blend includes a) mixing a lignin source with a dispersion system comprising a solvent to at least partially disperse the lignin and obtain a first mixture comprising a dispersed lignin fraction, a precipitated lignin fraction and the dispersion system, b) separating the precipitated lignin fraction from the dispersion system, and c) mixing phenol with the second mixture to provide a third mixture comprising dispersed lignin, phenol and the dispersion system; wherein the second mixture comprising dispersed lignin and dispersion system is used without any further treatment before mixing with phenol; d) optionally removing at least part of the dispersion system from the third mixture comprising dispersed lignin, phenol and dispersion system, e) obtaining a stable lignin-phenol blend with content of solvent of lower than 20 wt %.

IPC Classes  ?

• C08L 97/00 - Compositions of lignin-containing materials
• C08G 8/10 - Condensation polymers of aldehydes or ketones with phenols only of aldehydes of formaldehyde, e.g. of formaldehyde formed in situ with phenol
• C08G 8/38 - Block or graft polymers prepared by polycondensation of aldehydes or ketones on to macromolecular compounds
• C08H 7/00 - LigninModified ligninHigh-molecular-weight products derived therefrom

Abstract

A composition is disclosed which includes a multimodal high density polyethylene and a mixed-plastic-polyethylene recycling blend, along with use of the composition in film applications and film including the polymer composition of the invention.

IPC Classes  ?

• C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
• C08J 5/18 - Manufacture of films or sheets

Abstract

The present invention relates to a pipe comprising a polypropylene composition, which comprises a copolymer of propylene with comonomer units derived from 1-butene or 1-hexene and a copolymer of ethylene with comonomer units derived from 1-butene and/or 1-hexene, a process for producing said pipe and the use of said polypropylene composition for the production of a pipe.

IPC Classes  ?

• C08L 23/14 - Copolymers of propene
• F16L 9/12 - Rigid pipes of plastics with or without reinforcement

Abstract

Metallocene-catalysed multimodal medium density polyethylene (mMDPE), use of the multimodal medium density polyethylene (mMDPE) in film applications and film comprising the mMDPE of the invention.

IPC Classes  ?

• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
• C08F 4/659 - Component covered by group containing a transition metal-carbon bond
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• C08L 23/06 - Polyethene
• C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms

Abstract

The present invention relates to a precursor polyethylene composition comprising an ethylene-hexene copolymer and a modifier, to a process of forming a thermoplastic polyethylene composition from said precursor polyethylene composition, to the thermoplastic polyethylene composition thus obtained, to articles comprising said thermoplastic polyethylene composition and to the use of a modifier for increasing the hydrostatic pressure resistance and/or slow crack growth resistance of polyethylene pipes.

IPC Classes  ?

• C08K 5/17 - AminesQuaternary ammonium compounds
• C08F 2/00 - Processes of polymerisation
• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
• C08L 23/08 - Copolymers of ethene

Abstract

The present invention relates to a flame retardant polymer composition comprising (A) 15.0 to 25.0 wt% (based on the overall weight of the polymer composition) of a copolymer of ethylene and alpha olefin comonomer units having from 4 to 10 carbon atoms, which has a density of from 800 to 920 kg/m3(ISO 1183); (B) 20.0 to 35.0 wt% (based on the overall weight of the polymer composition) of a copolymer of ethylene and alpha olefin comonomer units having from 4 to 10 carbon atoms, which has a density of from 930 to 980 kg/m3 (ISO 1183), and a melt flow rate MFRs of from 0.05 to 2.50 g/10 min (ISO 1133 at 190°C and a load of 5.0 kg); (C) 0.5 to 4.0 wt% (based on the overall weight of the polymer composition) of a polyethylene and/or polypropylene containing units originating from maleic acid anhydride; (D) 40.0 to 60.0 wt% (based on the overall weight of the polymer composition) of a magnesium hydroxide having a purity of ≥ 95 wt%, (E) 0.1 to 3.0 wt% (based on the overall weight of the polymer composition) of a silicon fluid and/or silicone gum; and optionally further additives, wherein the sum of all ingredients adds always up to 100 wt%. In addition, the present invention also relates to an article comprising said composition.

IPC Classes  ?

• C08L 23/06 - Polyethene
• C08K 3/014 - Stabilisers against oxidation, heat, light or ozone
• C08K 3/22 - OxidesHydroxides of metals
• C08J 7/05 - Forming flame retardant coatings or fire resistant coatings
• H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins

Abstract

The present invention relates to a composition suitable especially for automotive applications comprising two heterophasic propylene copolymers having different melt flow rates, an ethylene-based plastomer and inorganic fillers, an article comprising said composition and the use of said composition for injection molding of articles.

IPC Classes  ?

• C08L 23/12 - Polypropene

Abstract

Polypropylene composition containing units derived from 1-butene.

IPC Classes  ?

• C08L 23/12 - Polypropene
• C08K 5/01 - Hydrocarbons
• C08L 23/14 - Copolymers of propene

Abstract

The invention relates to a polypropylene composition comprising a base resin (A) and a nucleating agent (B), wherein the base resin (A) comprises i) 90.0 to 99.9 wt.% of a bimodal propylene copolymer (PP) with at least one comonomer being ethylene based on the total weight of the base resin (A), wherein the bimodal propylene copolymer (PP) comprises (PP1) a first propylene copolymer component and (PP2) a second propylene copolymer component, and wherein the first propylene copolymer component (PP1) is different from the second propylene copolymer component (PP2), and wherein the weight ratio of the first propylene copolymer component (PP1) including an optional prepolymer component to the second propylene copolymer component (PP2) is from 30:70 to 70:30, and ii) 0.1 to 10 wt.% of a polyethylene having a density of equal or below 940 kg/m322 (2.16 kg, 230°C) of 0.15 to 0.50 g/10 min, determined according to ISO 1133 at 230 °C and a load of 2.16 kg, b) a total ethylene content of 5.0 to 12.0 wt.% based on the total weight of the polypropylene composition determined as described in the specification, c) a content of xylene cold solubles (XCS) of equal to or below 10.0 wt.% based on the total weight of the polypropylene composition determined according to ISO 16152, and d) a Charpy Notched Impact Strength at 23°C of 50.0 kJ/m2to 100 kJ/m2and a Charpy Notched Impact Strength at 0°C of at least 5.0 kJ/m2 both determined according to ISO 179/eA:2000 using notched injection moulded type 1A specimens, a process for producing said polypropylene composition, an article comprising said polypropylene composition and the use of said polypropylene composition for the production of an article.

IPC Classes  ?

• C08L 23/14 - Copolymers of propene
• C08L 23/04 - Homopolymers or copolymers of ethene
• C08F 2/00 - Processes of polymerisation
• C08F 210/06 - Propene

Abstract

A flat sheet electrical heater comprising a single semiconductive layer comprising an electrically semiconductive composition with a positive temperature coefficient comprising a polyethylene, polypropylene or a mixture thereof and a conductive filler; wherein said semiconductive layer has a top surface and a bottom surface; a plurality of conductors, preferably evenly spaced apart from and preferably substantially parallel to each other, arranged on and in contact with the top and/or bottom surface of the single semiconductive layer.

IPC Classes  ?

• H05B 3/14 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
• H05B 3/22 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
• H05B 3/34 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs

Abstract

An electric heater, such as a flat sheet electrical heater, comprising a semiconductive layer, said semiconductive layer comprising a first electrically semiconductive composition with a positive temperature coefficient, said first semiconductive composition comprising a polyethylene, polypropylene or a mixture thereof and a conductive filler; a plurality of semi-conductive portions located on and protruding from the electrically semiconductive layer wherein said semiconductive portions comprise a second electrically semiconductive composition with a positive temperature coefficient said second semiconductive composition comprising a polyethylene, polypropylene or a mixture thereof and a conductive filler; wherein the semi-conductive portions are arranged on the semiconductive layer in a regular pattern; and said semi-conductive portions are at least two times thicker than the semiconductive layer.

IPC Classes  ?

• H05B 3/14 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
• H05B 3/03 - Electrodes
• H05B 3/22 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
• H05B 3/34 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs

Abstract

2121 of 4.0 g/10min or more (measured according to ISO1133 at 125ºC under a load of 21.6 kg) and a conductive filler; and a second layer comprising a polyolefin with a melting point at least 25°C higher than the melting point of the polyethylene of the electrically semiconductive composition, such as a polypropylene homopolymer, a polypropylene copolymer, or a high density polyethylene, preferably a heterophasic polypropylene copolymer; and a plurality of conductors in contact with or embedded within the first layer.

IPC Classes  ?

• H05B 3/14 - Heating elements characterised by the composition or nature of the materials or by the arrangement of the conductor characterised by the composition or nature of the conductive material the material being non-metallic
• H05B 3/22 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater non-flexible
• H05B 3/34 - Heating elements having extended surface area substantially in a two-dimensional plane, e.g. plate-heater flexible, e.g. heating nets or webs

Abstract

A mechanical polyolefin recycling process, comprising a particular combination of processing steps in a given order, providing access to highly pure recycled polyolefin grades, having well balanced mechanical and optical properties that are superior to those typically seen in similar recycled polyolefin grades and a mechanical polyolefin recycling apparatus configured for carrying out the mechanical polyolefin recycling process

IPC Classes  ?

• B29C 48/00 - Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired formApparatus therefor
• B29B 17/00 - Recovery of plastics or other constituents of waste material containing plastics
• B29B 17/02 - Separating plastics from other materials
• B29B 17/04 - Disintegrating plastics
• B29K 23/00 - Use of polyalkenes as moulding material
• B29K 105/26 - Scrap
• C08J 11/08 - Recovery or working-up of waste materials of polymers without chemical reactions using selective solvents for polymer components

Abstract

The present invention relates to a polyethylene composition comprising a polymer of ethylene and a specific polymeric nucleating agent, a method for producing said polyethylene composition, a use of the polymeric nucleating agent for nucleating a polyethylene composition, and a use of a masterbatch containing the polymeric nucleating agent for nucleating a polyethylene composition.

IPC Classes  ?

• C08F 210/02 - Ethene
• C08L 23/08 - Copolymers of ethene
• C08F 110/06 - Propene
• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers

Abstract

According to an example aspect of the present invention, there is provided an apparatus configured to: check a database for delivery data relating to an incoming shipment comprising recyclable plastic material, generate, a data structure associated with a recycling process which transforms the recyclable plastic material into recycled plastic material, the recycling process comprising unloading, dry sorting, and pelletization or compounding of the recyclable plastic material, wherein the recycled plastic material is packaged into at least one shipment lot after the recycling process, and check, at predefined intervals, the database for data associated with the recycling process and add the data to the data structure, and provide the data structure via a cloud service.

IPC Classes  ?

• G06Q 10/08 - Logistics, e.g. warehousing, loading or distributionInventory or stock management
• G06Q 10/30 - Administration of product recycling or disposal
• H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
• G06F 16/23 - Updating
• B29B 17/02 - Separating plastics from other materials
• B29B 17/00 - Recovery of plastics or other constituents of waste material containing plastics
• G06F 16/24 - Querying

Abstract

The invention relates to a fiber reinforced composition (C), wherein the fiber reinforced composition (C) has a melt flow rate MFR2 (230° C., 2.16 kg) determined according to ISO 1133 in the range of 10.0 to 100.0 g/10 min, wherein the fiber reinforced composition (C) comprises a) 20.0 to 89.9 wt.-% of a propylene random copolymer (P), wherein the propylene random copolymer (P) is a copolymer of propylene and at least one comonomer selected from C4 to C12 α-olefins, wherein the propylene random copolymer (P) has an amount of 1,2 erythro regio-defects of 0.4 to 1.2 mol-%, b) 5.0 to 45.0 wt.-% of glass fibers (GF), c) 0.1 to 5.0 wt.-% of an adhesion promoter (AP), and d) 5.0 to 50.0 wt.-% of a heterophasic polypropylene copolymer (HECO), based on the overall weight of the fiber reinforced composition (C). Furthermore, the invention relates to articles comprising such fiber reinforced composition (C).

IPC Classes  ?

• C08L 23/14 - Copolymers of propene
• C08K 7/14 - Glass

Abstract

1-81-8-alkanol, and - a non-polar chain transfer agent (CTA).

IPC Classes  ?

• C08F 210/02 - Ethene
• H01B 3/18 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances
• C08K 5/14 - Peroxides

Abstract

Method for adapting operation settings for a frequency sweep measurement of a polymer product, the method comprising the steps of: providing (S1) at least one set of operation setting parameters comprising at least one frequency range for the frequency sweep measurement of the polymer product, the at least one frequency range comprising a plurality of specific measurement frequencies; optimizing (S2) the frequency range by deleting at least one measurement frequency of the plurality of specific measurement frequencies within a lower half of the frequency range resulting in a first optimized frequency range; and optimizing (S3) the first optimized frequency range by determining a value of measurement frequencies present per decade of frequency within at least a subrange of the frequency range and reducing the determined value of measurement frequencies present per decade within the at least one subrange of the frequency range by deleting at least one measurement frequency of the at least one subrange resulting in a second optimized frequency range.

IPC Classes  ?

• G01N 11/00 - Investigating flow properties of materials, e.g. viscosity or plasticityAnalysing materials by determining flow properties
• G01N 33/44 - ResinsPlasticsRubberLeather

Abstract

The invention relates to a process for the purification of a crude pyrolysis product, the process comprising the steps of A1) providing a crude pyrolysis product, the crude pyrolysis product comprising hydrocarbons and impurities, the crude pyrolysis product at least partially obtainable by pyrolysis of plastic waste, A2) bringing the crude pyrolysis product into contact with alkali hydroxide at a temperature of from 330 to 400 °C, preferably 340 to 360 °C, in a continuous mode with a residence time of less than 10 min to obtain a treated pyrolysis product and a residue comprising reacted impurities, A3) washing the treated pyrolysis product with a polar washing solvent to obtain a purified pyrolysis product and a polar washing solvent phase, A4) separating the polar washing solvent phase from the purified pyrolysis product.

IPC Classes  ?

• C10G 1/00 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal
• C10G 1/10 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal from rubber or rubber waste
• C10G 17/02 - Refining of hydrocarbon oils, in the absence of hydrogen, with acids, acid-forming compounds, or acid-containing liquids, e.g. acid sludge with acids or acid-containing liquids, e.g. acid sludge
• C10G 19/02 - Refining hydrocarbon oils, in the absence of hydrogen, by alkaline treatment with aqueous alkaline solutions
• C10G 19/067 - Refining hydrocarbon oils, in the absence of hydrogen, by alkaline treatment with molten alkaline material
• C10G 19/073 - Refining hydrocarbon oils, in the absence of hydrogen, by alkaline treatment with solid alkaline material
• C10G 53/12 - Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only including at least one alkaline-treatment step
• C10G 55/04 - Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process plural serial stages only including at least one thermal cracking step
• C10G 55/06 - Treatment of hydrocarbon oils, in the absence of hydrogen, by at least one refining process and at least one cracking process plural serial stages only including at least one catalytic cracking step
• C10G 67/10 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one process for refining in the absence of hydrogen only plural serial stages only including alkaline treatment as the refining step in the absence of hydrogen

Abstract

The present invention relates to a polyolefin composition comprising a) 20-50 wt% (based on the overall weight of the polyolefin composition) of a mixed-plastics polypropylene blend of recycled material, b) 20-50 wt% (based on the overall weight of the polyolefin composition) of glass fibers; c) 5-25 wt% (based on the overall weight of the polyolefin composition) of at least one elastomer, d) 0-50 wt% (based on the overall weight of the polyolefin composition) of at least one polypropylene homopolymer, and optionally further additives, wherein the sum of all ingredients adds always up to 100 wt%, wherein the polyolefin composition has a puncture energy of at least 8.0 J (ISO 6603-2), and an impact strength (ISO179-1, Charpy 1eA +23°C) of at least 9.5 kJ/m2.

IPC Classes  ?

• C08L 23/10 - Homopolymers or copolymers of propene

Abstract

The present invention concerns a polypropylene mixed color blend having (i) a crystalline fraction (CF) content determined according to CRYSTEX QC analysis, in the range from 85.0 to 95.0 wt.-%, (ii) a soluble fraction (SF) content in the range from 5.0 to 15.0 wt.-%, (iii) a total ethylene content (C2), in the range from 2.0 to 10.0 wt.-%, (iv) said crystalline fraction (CF) has a propylene content (C3 (CF)) as determined by FT-IR spectroscopy calibrated by quantitative 13C-NMR spectroscopy, in the range from 93.0 to 99.0 wt.-%; (v) said crystalline fraction (CF) has an ethylene content (C2 (CF)), as determined by FT-IR spectroscopy calibrated by quantitative 13C-NMR spectroscopy, in the range from [C2]-3.4 wt.-% to [C2]-0.2 wt.-%, wherein [C2] is the total ethylene content (C2) defined in (iii), (vi) a CIELAB color space (L*a*b*) measured according to DIN EN ISO 11664-4, of L* from 30.0 to 73.0; a* from −10 to 25; and b* from −5 to 20. The invention also concerns a method for obtaining the above polypropylene mixed color blend and its use for household applications, automotive applications, appliances, packaging, or wire and cable applications. The invention further concerns articles made from the above polypropylene mixed color blend, e.g. for caps, closures, bottles, containers, automotive articles, and wire and cable articles.

IPC Classes  ?

• B29B 17/02 - Separating plastics from other materials
• B29B 9/12 - Making granules characterised by structure or composition
• B29B 9/16 - Auxiliary treatment of granules
• B29B 17/00 - Recovery of plastics or other constituents of waste material containing plastics
• B29B 17/04 - Disintegrating plastics
• B29K 23/00 - Use of polyalkenes as moulding material
• B29K 105/26 - Scrap

Abstract

A racemic metallocene complex of formula (I′) wherein each X is a sigma donor ligand; L is a carbon, silicon or germanium based divalent bridge in which one or two backbone atoms link the ligands; M is Ti, Zr or Hf; each Het is independently a monocyclic or multicyclic heteroaromatic or heterocyclic group containing at least one heteroatom selected from O, N or S; each R1 is the same or different and is a linear C1-10 alkyl group, or linear C1-10 alkoxy, each n is 0 to 3; each R2 is the same or different and is a —Si(RaRbRc) group; Ra is C1-10 alkyl or phenyl group optionally substituted by 1 to 3 C1-6 alkyl groups; Rb is C1-10 alkyl or phenyl group optionally substituted by 1 to 3 C1-6 alkyl groups; Rc is a phenyl group optionally substituted by 1 to 3 C1-6 alkyl groups; and each p is 1 to 3. A racemic metallocene complex of formula (I′) wherein each X is a sigma donor ligand; L is a carbon, silicon or germanium based divalent bridge in which one or two backbone atoms link the ligands; M is Ti, Zr or Hf; each Het is independently a monocyclic or multicyclic heteroaromatic or heterocyclic group containing at least one heteroatom selected from O, N or S; each R1 is the same or different and is a linear C1-10 alkyl group, or linear C1-10 alkoxy, each n is 0 to 3; each R2 is the same or different and is a —Si(RaRbRc) group; Ra is C1-10 alkyl or phenyl group optionally substituted by 1 to 3 C1-6 alkyl groups; Rb is C1-10 alkyl or phenyl group optionally substituted by 1 to 3 C1-6 alkyl groups; Rc is a phenyl group optionally substituted by 1 to 3 C1-6 alkyl groups; and each p is 1 to 3.

IPC Classes  ?

• C07F 17/00 - Metallocenes
• B01J 31/12 - Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing organo-metallic compounds or metal hydrides
• B01J 37/02 - Impregnation, coating or precipitation
• C08F 4/659 - Component covered by group containing a transition metal-carbon bond

Abstract

The present invention is related to a computer-implemented method for polymerization process monitoring and model predictive control, the method comprising the steps of: providing (S1) at least one set of parameters comprising catalyst information, kinetic modelling information, and calculated polymer property information; and modeling (S2) a reaction performance of a catalyst used for a polymerization process using a reaction network, the reaction network comprising multiple reactions of the catalyst, wherein reactions of the catalyst are modelled by a discrete number of multiple site types of the catalyst, wherein the catalyst is modelled as a sum of contributions of the multiple site types.

IPC Classes  ?

• B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
• B01J 19/06 - Solidifying liquids

Abstract

Multimodal polypropylene homopolymer for film applications, a process for its production, films comprising the multimodal polypropylene homopolymer and its use for the production of films, preferably blown film.

IPC Classes  ?

• C08F 110/06 - Propene
• C08L 23/12 - Polypropene

Abstract

A polyethylene composition comprising a metallocene catalysed multimodal medium density polyethylene (mMDPE) and 0.5 to 5 weight % carbon black; wherein the metallocene catalysed multimodal medium density polyethylene (mMDPE) comprises: (i) 48 to 55 wt%, based on the total weight of the mMDPE, of a first polyethylene component (A), and (ii) 45 to 52 wt%, based on the total weight of the mMDPE, of a second polyethylene component (B), wherein the first polyethylene component (A) has a density (ISO 1183) in the range of from 950 to 980 kg/m3, and a MFR2 (190°C, 2.16 kg, ISO 1133) in the range of from 20 to 500 g/10 min; the second polyethylene component (B) has a density (ISO 1183) in the range of from 900 to 925 kg/m3, and wherein the polyethylene composition has a density of 945 to 960 kg/m3; and a MFR5 (190°C, 5.0 kg, ISO 1133) in the range from 0.5 to 3.0 g/10min.

IPC Classes  ?

• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
• C08F 4/659 - Component covered by group containing a transition metal-carbon bond
• C08L 23/06 - Polyethene
• F16L 9/00 - Rigid pipes
• B29C 65/00 - Joining of preformed partsApparatus therefor
• F16L 9/12 - Rigid pipes of plastics with or without reinforcement

Abstract

The invention relates to a laminated film comprising a polyethylene sealant film comprising at least an outer layer O, an inner layer I and a core layer C, the core layer C being present between the outer layer O and the inner layer I, wherein the inner layer I is made of an inner layer composition comprising from 75 to 95 wt. % of a component AI that is a linear low density ethylene polymer having a density of from 915 to 925 kg/m3 and a melt flow rate (MFR2) of from 0.5 to 3.0 g/10 min, determined according to ISO 1133, the wt. % being based on the total weight of the inner layer composition; and a substrate film laminated to the polyethylene sealant film, wherein the substrate film comprises a polyester polymer, selected from the group consisting of polyethylene terephthalate, polybutylene terephthalate and polytrimethylene terephthalate, and mixtures thereof; wherein the seal initiation temperature SIT (5 N) of the laminated film is less than 100° C., determined at the inner layer of the polyethylene sealant film according to ASTM F2029, ASTM F88. The invention relates to a laminated film comprising a polyethylene sealant film comprising at least an outer layer O, an inner layer I and a core layer C, the core layer C being present between the outer layer O and the inner layer I, wherein the inner layer I is made of an inner layer composition comprising from 75 to 95 wt. % of a component AI that is a linear low density ethylene polymer having a density of from 915 to 925 kg/m3 and a melt flow rate (MFR2) of from 0.5 to 3.0 g/10 min, determined according to ISO 1133, the wt. % being based on the total weight of the inner layer composition; and a substrate film laminated to the polyethylene sealant film, wherein the substrate film comprises a polyester polymer, selected from the group consisting of polyethylene terephthalate, polybutylene terephthalate and polytrimethylene terephthalate, and mixtures thereof; wherein the seal initiation temperature SIT (5 N) of the laminated film is less than 100° C., determined at the inner layer of the polyethylene sealant film according to ASTM F2029, ASTM F88. The invention further relates to an article comprising the laminated film and to the use of laminated film for packaging of an article. Moreover, the invention relates to the use of the polyethylene sealant film for improving the sealing performance of a substrate film comprising a polyester polymer.

IPC Classes  ?

• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• B32B 27/36 - Layered products essentially comprising synthetic resin comprising polyesters
• B65D 65/40 - Applications of laminates for particular packaging purposes

Abstract

The invention is directed to an alpha-nucleated polypropylene composition comprising two polypropylenes having different molecular weight and been produced with a metallocene catalyst

IPC Classes  ?

• C08L 23/12 - Polypropene
• C08K 5/1575 - Six-membered rings

Abstract

The present invention relates to a machine direction oriented (MDO) multilayer film comprising: i) a first skin layer (A) comprising a multimodal high density polyethylene composition (HDPE) having a density, as determined in accordance with ISO 1183, of from 940 to 975 kg/m3 and a melt flow rate MFR2, as determined in accordance with ISO1133 at 2.16 kg and 190 °C, of from 0.1 to 10 g/10 min; ii) a core layer (B), sandwiched between the first skin layer (A) and a second skin layer (C), comprising a copolymer of ethylene and at least a first C4-C12 alpha-olefin comonomer (CP) having a density, as determined in accordance with ISO 1183, of from 925 to 960 kg/m3 and a melt flow rate MFR5, as determined in accordance with ISO1133 at 5.0 kg and 190 °C, of from 0.1 to 10 g/10 min; and iii) a second skin layer (C) comprising a propylene-ethylene random copolymer (R-PP) having a comonomer content, as determined by 13C-NMR spectroscopy, of from 0.1 to 5.0 wt.-% and a melt flow rate MFR2, as determined in accordance with ISO1133 at 2.16 kg and 230 °C, of from 0.1 to 10 g/10 min.

IPC Classes  ?

• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• C08F 4/659 - Component covered by group containing a transition metal-carbon bond
• C08L 23/14 - Copolymers of propene
• C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
• C08F 110/02 - Ethene
• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers

Abstract

The present invention is directed to a process for modifying a post-consumer recycled polypropylene-based polyolefin composition. The present invention is also directed to a modified polyolefin composition obtained by the process, as well as to an article comprising the modified polyolefin composition.

IPC Classes  ?

• C08F 8/50 - Partial depolymerisation
• C08L 51/06 - Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bondsCompositions of derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
• C08F 6/10 - Removal of volatile materials, e.g. monomers, solvents
• C08F 6/00 - Post-polymerisation treatments

Abstract

The present invention relates to a polyethylene composition comprising a base resin which comprises (A) a first ethylene homo- or copolymer fraction, and (B) a second ethylene copolymer fraction, wherein fraction (A) has a lower molecular weight than fraction (B), fraction (A) is present in an amount of 45.0 to 55.0 wt. %, preferably 46.0 to 53.0 wt. %, more preferably 46.5 to 52.0 wt. %, based on the total weight of the base resin, fraction (B) is present in an amount of 55.0 to 45.0 wt. %, preferably 54.0 to 47.0 wt. %, more preferably 53.5 to 48.0 wt. %, based on the total weight of the base resin, the base resin has a density of 945 kg/m3 to 958 kg/m3, more preferably of 947 to 956 kg/m3, and most preferably of 948 kg/m3 to 954 kg/m3, the polyethylene composition has a melt flow rate MFR5 of 0.15 to 0.30 g/10 min, preferably of 0.20 to 0.29 g/10 min, and still more preferably of 0.22 to 0.28 g/10 min, the polyethylene composition has a flow rate ratio FRR21/5 of 25 to 35, more preferably of 28 to 34, the polyethylene composition has a molecular weight distribution MWD of 20 to 30, more preferably from 21 to 29, and the polymer composition has an average chain length of 900 carbons or higher, to a process for producing the polyethylene composition, to an article, especially a pipe comprising the polyethylene composition and to the use of the polyethylene composition for the production of an article, especially a pipe.

IPC Classes  ?

• C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
• C08F 2/00 - Processes of polymerisation
• C08F 110/02 - Ethene
• C08K 3/04 - Carbon

Abstract

The present invention relates to a polyethylene composition comprising, The present invention relates to a polyethylene composition comprising, a base resin (A) comprising a copolymer of ethylene and at least one comonomer selected from alpha-olefins having from three to twelve carbon atoms, wherein the ethylene copolymer comprises a low molecular weight component (A-1) and a high molecular weight component (A-2) with the low molecular weight component (A-1) having a lower weight average molecular weight than the high molecular weight component (A-2), (B) carbon black in an amount of 1.0 to 10 wt % based on the total amount of the polyethylene composition, and (C) optional further additives other than carbon black.

IPC Classes  ?

• C08L 23/0807 - Copolymers of ethene with unsaturated hydrocarbons only containing four or more carbon atoms
• C08K 3/04 - Carbon
• C08L 23/06 - Polyethene
• F16L 9/12 - Rigid pipes of plastics with or without reinforcement

Abstract

A polypropylene composition (PC), comprising: i) from 95.0 to 99.9 wt.-% of a monophasic propylene-ethylene random copolymer (R-PP) having an MFR2 in the range from 30 to 60 g/10 min and a C2 content in the range from 5.0 to 8.0 mol-%, and being free from 2,1-regiodefects; and ii) from 0.01 to 0.50 wt.-%, of a first nucleating agent (NU1) having a structure according to formula (I) wherein R is selected from C2 to C6 alkyl groups; wherein R1 to R5 are independently selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, alkoxy, aryloxy, hydroxyalkyl, cycloalkyl, cycloalkenyl, aryl, substituted aryl, halide, amino and thioether and combinations thereof, and optionally any adjacent R1 to R5 are linked together to form a 5-membered or 6-membered ring; wherein the polypropylene composition (PC) has a haze value in the range from 0.0 to 25.0 %. A polypropylene composition (PC), comprising: i) from 95.0 to 99.9 wt.-% of a monophasic propylene-ethylene random copolymer (R-PP) having an MFR2 in the range from 30 to 60 g/10 min and a C2 content in the range from 5.0 to 8.0 mol-%, and being free from 2,1-regiodefects; and ii) from 0.01 to 0.50 wt.-%, of a first nucleating agent (NU1) having a structure according to formula (I) wherein R is selected from C2 to C6 alkyl groups; wherein R1 to R5 are independently selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, alkoxy, aryloxy, hydroxyalkyl, cycloalkyl, cycloalkenyl, aryl, substituted aryl, halide, amino and thioether and combinations thereof, and optionally any adjacent R1 to R5 are linked together to form a 5-membered or 6-membered ring; wherein the polypropylene composition (PC) has a haze value in the range from 0.0 to 25.0 %.

IPC Classes  ?

• C08K 5/1575 - Six-membered rings
• C08L 23/14 - Copolymers of propene

Abstract

A propylene-butene random copolymer composition comprising 98 to 99.99 wt % of a propylene-butene random copolymer based on the total weight of the propylene-butene random copolymer composition, and 0.01 to 1 wt % based on the total weight of propylene-butene random copolymer composition of an alpha nucleating agent, the composition having a melt flow rate MFR2 (230° C./2.16 kg) measured according to ISO 1133 in the range of from 20.0 to below 150.0 g/10 min a butene content in the range of from 4.0 to 8.5 wt % based on the total weight of the propylene-butene random copolymer, and a relative amount of <2,1> erythro regio-defects in the range of from 0.01 to 1.2 mol %, determined by quantitative 13C NMR spectroscopy, as described herein.

IPC Classes  ?

• C08F 210/06 - Propene
• C08F 4/6592 - Component covered by group containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
• C08K 5/00 - Use of organic ingredients

Abstract

The present invention relates to a multilayer film comprising at least three layers (A), (B) and (C), wherein core layer (B) comprises a polyethylene composition (PE-B) comprising a high density polyethylene and synthetic hydrotalcite, a metallized multilayer film, a process for producing said multilayer film and the use of said polyethylene composition (PE-B) in the core layer (B) for producing a multilayer film comprising at least three layers (A), (B) and (C).

IPC Classes  ?

• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• B32B 27/16 - Layered products essentially comprising synthetic resin specially treated, e.g. irradiated
• B32B 27/18 - Layered products essentially comprising synthetic resin characterised by the use of special additives
• B32B 27/32 - Layered products essentially comprising synthetic resin comprising polyolefins
• C08J 5/18 - Manufacture of films or sheets
• C08L 23/06 - Polyethene

Abstract

The present invention is concerned with a method for adding additives to a polyolefin melt or to a polyolefin solution by means of a solution or dispersion of additives in n-alkane. In particular, the present invention relates to such a method that ensures a homogeneous distribution of the additive in the polyolefin melt or the polyolefin solution and cost savings. Furthermore, the present invention is concerned with a solvent based polyolefin recycling process comprising said method for adding additives in n-alkane. Furthermore, the present invention concerns with a process for producing polyolefin pellets comprising carrying out said method for adding additives in a melt extruded polyolefin.

IPC Classes  ?

• C08J 3/205 - Compounding polymers with additives, e.g. colouring in the presence of a liquid phase
• C08J 3/215 - Compounding polymers with additives, e.g. colouring in the presence of a liquid phase the polymer being premixed with a liquid phase at least one additive being also premixed with a liquid phase
• C08J 11/06 - Recovery or working-up of waste materials of polymers without chemical reactions
• C08K 5/00 - Use of organic ingredients
• C08K 5/13 - PhenolsPhenolates
• C08L 23/06 - Polyethene
• C08L 23/10 - Homopolymers or copolymers of propene
• C08J 11/08 - Recovery or working-up of waste materials of polymers without chemical reactions using selective solvents for polymer components
• C08K 5/134 - Phenols containing ester groups
• B29B 9/06 - Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
• B29B 7/00 - MixingKneading
• B29B 9/12 - Making granules characterised by structure or composition
• B29B 7/60 - Component parts, details or accessoriesAuxiliary operations for feeding, e.g. end guides for the incoming material
• B29B 7/72 - Measuring, controlling or regulating
• B29B 7/82 - Heating or cooling
• B29B 7/84 - Venting or degassing
• B29B 7/88 - Adding charges
• B29B 7/94 - Liquid charges
• B29B 7/38 - MixingKneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary

Abstract

The present invention is concerned with a process for separating a polyolefin from a stream comprising a polyolefin of a solvent based recycling (SbR) process. In particular, the present invention relates to such a process that ensures thermal stability of the recycled polyolefin, in particular during the devolatilization steps for removing the solvent. Furthermore, the present invention is concerned with a polyolefin obtainable from such a process.

IPC Classes  ?

• C08J 11/08 - Recovery or working-up of waste materials of polymers without chemical reactions using selective solvents for polymer components

Abstract

The present invention relates to a composition comprising 70 to 95 wt.-% of a high isotactic homopolymer of propylene, more than 2.5 to less than 30 wt.-% of a cyclic olefin polymer composition, and 0.1 to 2.5 wt.-% of a random propylene copolymer compatibilizer. The present invention is, furthermore, directed to a film comprising the polypropylene composition. Apart from that, a biaxially oriented film comprising the polypropylene composition and a capacitor are provided.

IPC Classes  ?

• B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
• C08L 23/12 - Polypropene
• H01G 4/14 - Organic dielectrics

Abstract

The present invention relates to a high-flow ethylene-propylene copolymer composition having improved balance of properties in regard of mechanical and impact properties. The ethylene-propylene copolymer composition has a melt flow rate MFR of more than 10 g/10 min and contains (A) 97.00-99.45 wt.-% of an ethylene-propylene impact copolymer, (B) 0.05-0.50 wt.-% of an α-nucleating agent of formula (I) of the description and (C) 0.50-2.00 wt.-% of a mineral α- nucleating agent having a median particle size of 10 µm or less. The impact copolymer comprises a1) 75-88 wt.-% of a crystalline polypropylene homopolymer fraction (CF) having an intrinsic viscosity in the range of 0.7 to 2.6 dl/g, and a2) 12-25 wt.-% of an amorphous ethylene-propylene copolymer fraction (SF) having an intrinsic viscosity in the range of 1.5 to 4.5 dl/g and an ethylene content in the range of 25.0 to 55.0 wt.-%.

IPC Classes  ?

• C08L 23/12 - Polypropene
• C08F 210/06 - Propene
• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers

Abstract

The invention relates to a polypropylene composition comprising a single site catalyzed polypropylene homopolymer (SScPPH) having a melt flow rate MFR2 in the range of from 1 to 500 g/10 min (according ISO 1133 at 230 °C and 2.16 kg load), a melting temperature Tm in the range of from 149 to 160 °C (DSC according to ISO 11357) and an amount of 2,1-erythro regio-defects in the range of from 0.10 to 1.20 mol-% (determined by 13C NMR spectroscopy), 0.01 to 1.00 wt.-% of a first dispersive particulate α-nucleating agent, 0.01 to 1.00 wt.-% of a second dispersive particulate α-nucleating agent, and 0 to 500 ppm by weigh of a third dispersive particulate α-nucleating agent being a polymeric nucleating agent.

IPC Classes  ?

• C08K 3/26 - CarbonatesBicarbonates
• C08K 5/00 - Use of organic ingredients

Abstract

A process for collecting and storing quality control data in a mechanical polyolefin recycling process, a process for optimising the performance of the mechanical polyolefin recycling process in response to said quality control data, an adjustment control model and a use of quality control data for optimising the performance of the mechanical polyolefin recycling process.

IPC Classes  ?

• B29B 17/02 - Separating plastics from other materials
• B29B 17/04 - Disintegrating plastics
• B29K 23/00 - Use of polyalkenes as moulding material
• G05B 13/02 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
• G05B 13/04 - Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric involving the use of models or simulators

Abstract

A method for achieving the simultaneous washing/delamination of multilayer films via treatment with an alkaline aqueous solution during a mechanical recycling process, thereby improving the yield and/or purity of a desired polyolefin.

IPC Classes  ?

• C08J 11/06 - Recovery or working-up of waste materials of polymers without chemical reactions
• B29B 17/02 - Separating plastics from other materials
• B29B 17/04 - Disintegrating plastics
• B29K 23/00 - Use of polyalkenes as moulding material
• B29L 9/00 - Layered products

Abstract

2 of 75 to 250 g/10 min suitable especially for injection moulding applications comprising a heterophasic propylene copolymer and a particulate inorganic nucleating agent, a process for producing said polypropylene composition, an article comprising said polypropylene composition and the use of said polypropylene composition for injection molding of articles.

IPC Classes  ?

• C08L 23/16 - Ethene-propene or ethene-propene-diene copolymers
• C08F 2/00 - Processes of polymerisation
• C08F 210/06 - Propene
• C08F 210/16 - Copolymers of ethene with alpha-alkenes, e.g. EP rubbers
• C08K 3/34 - Silicon-containing compounds
• C08L 23/12 - Polypropene

Abstract

The present invention relates to a polyolefin composition having a total ethylene content of from 20.0 to 32.5 wt.-%, based on the total weight of the polyolefin composition and determined by FT-IR spectroscopy calibrated by quantitative 13C-NMR spectroscopy from crystallization extraction (CRYSTEX); a melt flow rate MFR2 of from more than 2.5 to 6.0 g/10 min, determined according to ISO 1133 at 230°C and 2.16 kg; a crystalline fraction (CF) content, determined by crystallization extraction (CRYSTEX), in the range from 75.0 to 95.0 wt.-%, based on the total weight amount of the polyolefin composition, said crystalline fraction (CF) having an ethylene content (C2(CF)), determined by FT-IR spectroscopy calibrated by quantitative 13C-NMR spectroscopy, in the range from 18.0 to 32.5 wt.-%, based on the total amount of monomer units in the crystalline fraction (CF), and a soluble fraction (SF) content, determined by crystallization extraction (CRYSTEX), in the range from 5.0 to 25.0 wt.-%, based on the total weight amount of the polyolefin composition, said soluble fraction (SF) having an intrinsic viscosity (iV(SF)), determined according to ISO 1628-3, in the range from 90 to 200 cm³/g, an article comprising said polyolefin composition, preferably a cable comprising an insulation layer comprising said polyolefin composition and the use of said polyolefin composition as cable insulation for medium and high voltage cables.

IPC Classes  ?

• C08L 23/14 - Copolymers of propene
• C08F 210/06 - Propene
• H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins

Abstract

The present invention relates to a polyolefin composition having a total ethylene content of from more than 32.5 to 60.0 wt.-%, based on the total weight of the polyolefin composition and determined by FT-IR spectroscopy calibrated by quantitative 1322 of from more than 2.5 to 6.0 g/10 min, determined according to ISO 1133 at 230°C and 2.16 kg; a crystalline fraction (CF) content, determined by crystallization extraction (CRYSTEX), in the range from 75.0 to 95.0 wt.-%, based on the total weight amount of the polyolefin composition, said crystalline fraction (CF) having an ethylene content (C2(CF)), determined by FT-IR spectroscopy calibrated by quantitative 13C-NMR spectroscopy, in the range from more than 32.5 to 62.5 wt.-%, based on the total amount of monomer units in the crystalline fraction (CF), and a soluble fraction (SF) content, determined by crystallization extraction (CRYSTEX), in the range from 5.0 to 25.0 wt.-%, based on the total weight amount of the polyolefin composition, said soluble fraction (SF) having an intrinsic viscosity (iV(SF)), determined according to ISO 1628-3, in the range from 85 to 200 cm³/g, an article comprising said polyolefin composition, preferably a cable comprising an insulation layer comprising said polyolefin composition and the use of said polyolefin composition as cable insulation for medium voltage cables, high voltage cables, extra high voltage cable and ultra high voltage cables.

IPC Classes  ?

• C08L 23/14 - Copolymers of propene
• C08F 210/06 - Propene
• H01B 3/44 - Insulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes vinyl resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances plasticsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances resinsInsulators or insulating bodies characterised by the insulating materialsSelection of materials for their insulating or dielectric properties mainly consisting of organic substances waxes acrylic resins

Abstract

The present invention relates to a semiconductive composition comprising (A) from 25.0 to 67.5 wt.-% of a first copolymer of propylene and comonomer units selected from ethylene and alpha-olefins having from 4 to 12 carbon atoms, which first copolymer (A) has a melt flow rate MFR2 of from 2.0 to 6.0 g/10 min, determined according to ISO 1133 at 230°C and 2.16 kg; a soluble fraction (SF) content, determined by crystallization extraction (CRYSTEX) in the range of from more than 25.0 to 50.0 wt.-%, based on the total weight amount of the first copolymer (A); and a total comonomer content, preferably ethylene content, of from 7.5 to 20.0 wt.-%, based on the total weight of the first copolymer (A) and determined by FT-IR spectroscopy calibrated by quantitative 13C-NMR spectroscopy from crystallization extraction (CRYSTEX); (B) from 5.0 to 50.0 wt.-% of a second copolymer of propylene and comonomer units selected from ethylene and alpha-olefins having from 4 to 12 carbon atoms, which second copolymer (B) has a melt flow rate MFR2 of at least 2.0 g/10 min, determined according to ISO 1133 at 230°C and 2.16 kg; a soluble fraction (SF) content, determined by crystallization extraction (CRYSTEX) in the range of from 12.0 to 25.0 wt.-%, based on the total weight amount of the second copolymer (B); and a total comonomer content, preferably ethylene content, of from 4.0 to 10.0 wt.-%, based on the total weight of the second copolymer (B) and determined by FT-IR spectroscopy calibrated by quantitative 13C-NMR spectroscopy from crystallization extraction (CRYSTEX); and (C) from 15.0 to 35.0 wt.-% of carbon black, wherein all weight amounts are based on the total weight amount of the semiconductive composition, an article comprising said semiconductive composition and the use of said semiconductive composition as inner and/or outer semiconductive layer for medium voltage cables.

IPC Classes  ?

• C08F 210/06 - Propene
• C08L 23/14 - Copolymers of propene
• H01B 9/02 - Power cables with screens or conductive layers, e.g. for avoiding large potential gradients

Abstract

The present invention relates to a polypropylene composition comprising a mixed- plastics polypropylene blend (PPB), a flame retardant (FR) and an anti-dripping agent (AD) and an article comprising said polypropylene composition.

IPC Classes  ?

• C08L 23/12 - Polypropene
• C08F 210/06 - Propene
• C08K 3/32 - Phosphorus-containing compounds
• C08K 5/49 - Phosphorus-containing compounds
• C08F 2/00 - Processes of polymerisation
• C08K 3/016 - Flame-proofing or flame-retarding additives
• C08K 5/00 - Use of organic ingredients

Abstract

A mixed-plastic-polyethylene composition is described. The mixed-plastic-polyethylene composition comprises: a) a blend of linear low-density polyethylene (LLDPE); and b) 5.0 to 50.0 wt.% of a cross- linked polyethylene (XLPE) recyclate, based on a total weight of the mixed-plastic-polyethylene composition; wherein the cross-linked polyethylene (XLPE) recyclate has a mean particle size of 0.7 mm to 25.0 mm. A process for preparing the mixed-plastic-polyethylene composition, an article comprising the mixed-plastic-polyethylene composition and use of the mixed-plastic-polyethylene composition are also described.

IPC Classes  ?

• C08L 95/00 - Compositions of bituminous materials, e.g. asphalt, tar or pitch

Abstract

The present invention relates to a cable comprising a polyolefin layer, preferably a fibre optic cable, wherein the polyolefin layer comprises a multimodal polyolefin composition, wherein the multimodal polyolefin has a density of 0.910-0.960 g/cm322 of 0.2-6.0 g/10 min as measured according to ISO 1133 at 190 °C and a load of 2,1 kg, wherein the composition is obtained by a process comprising the steps of a) melting and/or melt mixing a multimodal polyolefin with optional additives, thereby obtaining a polymer melt A; b) filtering said polymer melt A through a melt filter with 40-250 μm filter openings, followed by pelletization thereby obtaining pellets; c) drying said pellets; d) passing the pellets obtained in step c) through a magnetic grid and/or a metal separator, preferably a magnetic grid and a metal separator, thereby obtaining the multimodal polyolefin composition in the form of pellets; wherein the multimodal polyolefin composition is essentially free from particles with a dimension larger than 0.1 mm in a 1 kg sample of said composition.

IPC Classes  ?

• C08J 3/20 - Compounding polymers with additives, e.g. colouring
• C08F 6/28 - Purification
• C08L 23/08 - Copolymers of ethene
• G02B 6/44 - Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
• C08J 3/12 - Powdering or granulating
• H01B 13/14 - Insulating conductors or cables by extrusion
• H01B 11/00 - Communication cables or conductors