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.-%.
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.
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.
B29B 17/02 - Séparation de matières plastiques des autres matières
B29B 17/04 - Désintégration des matières plastiques
B29K 23/00 - Utilisation de polyalcènes comme matière de moulage
G05B 13/02 - Systèmes de commande adaptatifs, c.-à-d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques
G05B 13/04 - Systèmes de commande adaptatifs, c.-à-d. systèmes se réglant eux-mêmes automatiquement pour obtenir un rendement optimal suivant un critère prédéterminé électriques impliquant l'usage de modèles ou de simulateurs
Disclosed is a polyethylene blend of a specific multimodal metallocene catalysed linear low density polyethylene (mLLDPE) and a specific low density polyethylene (LDPE), which provides films with well-balanced properties, especially dart drop (impact strength), haze and processability.
C08L 23/0807 - Copolymères de l'éthylène avec seulement des hydrocarbures insaturés contenant quatre atomes de carbone ou plus
C08F 4/6592 - Composant couvert par le groupe contenant une liaison métal de transition-carbone contenant au moins un cycle cyclopentadiényle, condensé ou non, p. ex. un cycle indényle ou fluorényle
Disclosed is a polyethylene blend of a specific multimodal metallocene catalysed linear low density polyethylene (mLLDPE) and a specific branched metallocene catalysed polyethylene copolymer (mPE), which provides films with well-balanced properties, especially dart drop (impact strength) and haze.
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.
The present invention relates to polypropylene compositions having a meltflow rate MFR2 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.
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.
H01B 3/44 - Isolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires résines vinyliquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires résines acryliques
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.
H01B 3/44 - Isolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires résines vinyliquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires résines acryliques
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.
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.
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.
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.
A mechanical polypropylene recycling process for achieving high purity recyclate grades, a mixed-plastic polypropylene blend corresponding to said high purity recyclate grades, articles containing said high purity recyclate grades and use of said high purity recyclate grades for the production of polypropylene labels.
The present invention relates to a cable comprising at least one layer comprising a polypropylene composition, which comprises a copolymer of propylene and comonomer units selected from ethylene and alpha-olefins having from 4 to 12 carbon atoms, wherein the polypropylene composition has a total comonomer content, preferably total ethylene content, of from 4.0 to 11.0 wt.-%, based on the total weight of the polypropylene 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 soluble fraction (SF) content, determined by crystallization extraction (CRYSTEX), in the range from 10.0 to 25.0 wt.-%, based on the total weight amount of the polypropylene composition; and a flexural modulus of from more than 470 MPa to 750 MPa, determined according to ISO 178 method A.
H01B 3/44 - Isolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires résines vinyliquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires résines acryliques
A mixed-plastic-polyethylene composition is described. The mixed-plastic-polyethylene composition comprises: a) a blend of linear low-density polyethylene (LLDPE); 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; and c) 0.5 to 20.0 wt.% of a very low-density polyethylene (VLDPE), based on the total weight of the mixed-plastic-polyethylene composition. 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.
Disclosed is a polyethylene blend of a specific multimodal metallocene catalysed linear low density polyethylene (mLLDPE) and a low density polyethylene (LDPE), which provides films with well-balanced properties, especially high dart drop (impact strength), low haze and low sealing initiation temperature.
22 of 0.1 to 10.0 g/10 min, a CRYSTEX QC soluble fraction of 15 to 45 wt.-%, a C2(SF) of 17.0 to 45.0 wt.-%, and a C2(CF) of 1.0 to 10.0 wt.-%; and (C) a sealing layer, comprising at least 90 wt.-% of a polypropylene composition (PC) that comprises a second RAHECO and one or more propylene-ethylene random copolymers R-PP.
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
B32B 27/32 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyoléfines
19.
RECYCLABLE MULTILAYER FILMS HAVING A HECO/LDPE-BASED CORE LAYER
22 of 0.1 to 20.0 g/10 min, a CRYSTEX SF of 10 to 45 wt.-%, a C2(total) of 23.0 to 15.0 wt.-%, and a Tm of 130 to 155 °C, and b) 1.0 to 15.0 wt.-% of an LDPE; (C) a sealing layer.
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
B32B 27/32 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyoléfines
31212 α-olefins, having an MFR (190 °C/2.16 kg, ISO 1133) of 0.1 to 5.0 g/10 min, a melting point Tm (DSC, ISO 11357/3) of less than 100 °C and a density (ASTM D792) of 865 to 905 kg/m³; and b) 1 to 30 wt% of a high density polyethylene wax (B) having an MFR (ISO1133, 190 °C/2.16 kg) of more than 300 g/10 min and/or a weight average molecular weight of 1,000 to 35,000 and a Tm (DSC, ISO 11357/3) in the range of 120 to 135 °C.
The present invention relates to a polypropylene composition (PC) being a mixed- plastic polypropylene blend containing recycled material and comprising inclusions attributed to automotive paints and to articles comprising said polypropylene composition (PC).
22 of 0.1 to 10.0 g/ 10 min; 11) 10 to 50 wt.-% of a first propylene -ethylene random copolymer (R-PP1) having a Tc in the range from 110 to 125 °C; and hi) 10 to 50 wt.-% of a second propylene-ethylene random copolymer (R- PP2) having a Tc in the range from 85 to 109 °C, wherein the crystalline matrix of the RAHECO, R-PP1, and R-PP2 each have a content of 2,1-regiodefects, in the range from 0.00 to 0.20 mol-%.
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
B32B 27/32 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyoléfines
24.
RECYCLABLE MULTILAYER FILMS HAVING A HECO-BASED CORE LAYER
22 of 1.5 to 10.0 g/10 min, a CRYSTEX QC soluble fraction of 5 to 25 wt.-%, a C2 content of 1.0 to 7.0 wt.-%, a Tm of 162 to 175 °C, a Tc of 123 to 135 °C and a matrix having a content of 2,1-regiodefects of 0.00 to 0.20 mol-%; and (C) a sealing layer, comprising at least 90 wt.-% of a polypropylene composition (PC) that comprises a RAHECO and one or more propylene-ethylene random copolymers R-PP.
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
B32B 27/32 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyoléfines
25.
POLYPROPYLENE-BASED LAYER ELEMENT HAVING BALANCED MECHANICAL AND STRESS-WHITENING PROPERTIES
241022 of 0.1 to 5.0 g/10 min; e) optionally, from 0.00 to 0.06 wt.-% of one or more white pigments (P); and f) optionally, from 0.0 to 5.0 wt.-% of one or more further additives (A).
The present invention relates to polypropylene compositions suitable especially for automotive applications comprising two heterophasic propylene copolymers having different melt flow rates, an ethylene-based plastomer, a high density polyethylene and an inorganic filler.
The present invention relates to a process for reducing the volatile organic compound (VOC, VDA 278 October 2011) content of a polyolefin composition, the polyolefin composition including a polypropylene homopolymer, a polypropylene copolymer, a polyethylene homopolymer, and/or a polyethylene copolymer, the process comprising the steps of a) subjecting the polyolefin composition having a VOC (VOC, VDA 278 October 2011) content, which is contained in an aeration vessel, to an aeration gas flow, and maintaining said aeration gas flow for an aeration time of 15 hours or less the aeration gas having a minimum temperature of at least 20° C. measured at an inlet of the aeration gas of the aeration vessel, and a maximum temperature of 99° C. measured at an inlet for aeration gas of the aeration vessel; the aeration vessel having—at least one inlet for aeration gas,—at least one outlet for aeration gas,—an inlet for the polyolefin composition having a VOC content,—an outlet for an aerated polyolefin composition at the bottom of the aeration vessel; wherein the polyolefin composition contains 20 to 55 pieces/g (pellet size 3-5 mm) as measured according to the specification; and wherein the polyolefin composition is present in the aeration vessel as a packed bed; and b) withdrawing the aerated polyolefin composition from the aeration vessel having a VOC content (VOC, VDA 278 October 2011) of not greater than 600 μg/g.
The present invention relates to a polypropylene compound (C), which is obtained by at least once compounding a first polypropylene composition (A) comprising a first polypropylene based resin (A1) and a first inorganic filler (A2) and a second polypropylene composition (B) comprising a second polypropylene based resin (B1) and a second inorganic filler (B2), and to an article comprising said polypropylene compound (C).
ABU DHABI POLYMERS CO. LTD (BOROUGE) - SOLE PROPRIETORSHIP L.L.C. (Émirats arabes unis)
BOREALIS AG (Autriche)
Inventeur(s)
Kumar Das, Subrata
Verma, Jagmohan
Van Cauwenberghe, Hans Jozef Francois
Al Kindi, Zayed
Soboh, Mohammed
Abrégé
The invention relates to a propylene ethylene random copolymer composition comprising a combination of a polymeric and a particulate nucleating agent and an article comprising said composition.
A nonwoven fabric (NF) comprising a multilayer structure that comprises: i) at least one meltblown layer (M) comprising melt blown fibers (MBF) comprising a first propylene polymer (PP1) having: a) an amount of 2,1-regiodefects in the range from 0.0 to 0.1 mol-%; and b) a melting temperature Tm in the range from 155 to 170° C., ii) at least one spunbonded layer (S) comprising spunbonded fibers (SBF) comprising a second propylene polymer (PP2) having: a) an amount of 2,1-regiodefects in the range from 0.4 to 1.5 mol-%; and b) a melting temperature Tm in the range from 145 to 160° C. wherein the melting temperature of the first polypropylene polymer Tm (PP1) is at least 5.0° C. higher than that of the second first polypropylene polymer Tm (PP2).
B32B 5/26 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par la présence de plusieurs couches qui comportent des fibres, filaments, grains ou poudre, ou qui sont sous forme de mousse ou essentiellement poreuses une des couches étant fibreuse ou filamenteuse un autre couche également étant fibreuse ou filamenteuse
B01D 39/16 - Autres substances filtrantes autoportantes en substance organique, p. ex. fibres synthétiques
B32B 5/02 - Produits stratifiés caractérisés par l'hétérogénéité ou la structure physique d'une des couches caractérisés par les caractéristiques de structure d'une couche comprenant des fibres ou des filaments
D04H 1/4374 - Non-tissés formés uniquement ou principalement de fibres coupées ou autres fibres similaires relativement courtes à partir de voiles ou couches composés de fibres ne possédant pas des propriétés cohésives réelles ou potentielles caractérisés par l'emploi de certaines sortes de fibres dans la mesure où cet emploi n'a pas d'influence prépondérante sur la consolidation du voile utilisant différents types de couches, p. ex. par superposition de couches
D04H 1/56 - Non-tissés formés uniquement ou principalement de fibres coupées ou autres fibres similaires relativement courtes à partir de voiles ou couches composés de fibres ne possédant pas des propriétés cohésives réelles ou potentielles par soudage des fibres ensembles, p. ex. par fusion partielle ou dissolution en association avec la formation de la fibre, p. ex. suivant immédiatement l'extrusion des fibres en brin
D04H 3/16 - Non-tissés formés uniquement ou principalement de fils ou de matériaux filamenteux similaires de bonne longueur caractérisés par la méthode de renforcement ou de consolidation avec liages produits par soudage entre fils thermoplastiques ou filaments avec liages entre filaments thermoplastiques produits en relation avec la formation des filaments, p. ex. suivant immédiatement l'extrusion
31.
METHODS OF PRODUCING METALLOCENE CATALYST COMPONENTS
C08F 4/6592 - Composant couvert par le groupe contenant une liaison métal de transition-carbone contenant au moins un cycle cyclopentadiényle, condensé ou non, p. ex. un cycle indényle ou fluorényle
32.
A SEPARATING DEVICE FOR SEPARATING VOLATILE COMPOUNDS FROM A POLYMER REACTION MIXTURE
The current application is related to a separating device for separating volatile compounds from a polymer reaction mixture comprising a gravimetric separator, having a gravimetric vessel, an inlet for feeding the polymer reaction mixture, a first outlet located in the lower part of the gravimetric vessel for withdrawing a first polymer-rich stream, and a second outlet located in the upper part of the gravimetric vessel for withdrawing a first polymer-lean stream; and a flash separator having a flash vessel, a first inlet for feeding a second polymer-lean stream split from the first polymer-lean stream, a first outlet located at the lower part of the flash vessel for withdrawing a liquid stream, and a second outlet located at the upper part of the flash vessel for withdrawing a gaseous stream, wherein the second outlet of the separator vessel is fluidly connected to the first inlet of the flash vessel.
The present invention relates to a polyethylene composition comprising a multimodal high density polyethylene (HDPE) and a mixed-plastic-polyethylene recycling blend (PERB), to the use of the polyethylene composition in film applications and to a film comprising the polyethylene composition.
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
The present invention provides a novel halogen-free flame retardant (HFFR) post-consumer recycled (PCR)-derived polymer composition suitable for flame retardant layer of a wire or cable, preferably as a flame retardant jacketing layer, which comprises of from 10.0 to 45.0 wt% of a specific thermoplastic PCR polymer comprised of high density polyethylene (HOPE) polymer showing favorable to excellent mechanical properties combined with favorable to excellent flame retardant and safety properties.
A polymer composition comprising a base resin, the base resin comprising (A) a first ethylene homo- or copolymer fraction, and (B) a second ethylene-hexene-1 copolymer fraction, wherein fraction (A) has a lower molecular weight than fraction (B), wherein the polymer composition has a content of 1-hexene of more than 1.5 wt % with respect to the total weight of the polymer composition; wherein the weight ratio of the fraction (A) to the fraction (B) is from 44:56 to 35:65; wherein the base resin has a density of equal to or higher than 945 kg/m3, and wherein the polymer composition has a MFR5 (190° C., 5 kg) of equal to or higher than 0.5 g/10 min and equal to or lower than 0.7 g/10 min.
C08F 297/08 - Composés macromoléculaires obtenus en polymérisant successivement des systèmes différents de monomère utilisant un catalyseur de type ionique ou du type de coordination sans désactivation du polymère intermédiaire utilisant un catalyseur du type de coordination en polymérisant des mono-oléfines
Use of polymer composition comprising a first propylene polymer A and a second propylene polymer B for producing crimped multicomponent fiber having a side by side cross-sectional configuration.
D01F 8/06 - Filaments, ou similaires, faits par l’homme, conjugués, c.-à-d. à plusieurs composantsLeur fabrication à partir de polymères synthétiques avec au moins une polyoléfine comme constituant
D01D 5/22 - Formation des filaments, fils ou similaires à structure crêpée ou onduléeFormation des filaments, fils ou similaires à structure imitant celle de la laine
D01D 5/32 - Structure "côte-à-côte"Ensembles de filage à cet effet
D04H 1/4382 - Fibres obtenues par étirage de film réticuléFibres compositesFibres mixtesFibres ultrafinesFibres pour cuir artificiel
D04H 1/4391 - Non-tissés formés uniquement ou principalement de fibres coupées ou autres fibres similaires relativement courtes à partir de voiles ou couches composés de fibres ne possédant pas des propriétés cohésives réelles ou potentielles caractérisés par l'emploi de certaines sortes de fibres dans la mesure où cet emploi n'a pas d'influence prépondérante sur la consolidation du voile caractérisés par la forme des fibres
D04H 1/558 - Non-tissés formés uniquement ou principalement de fibres coupées ou autres fibres similaires relativement courtes à partir de voiles ou couches composés de fibres ne possédant pas des propriétés cohésives réelles ou potentielles par soudage des fibres ensembles, p. ex. par fusion partielle ou dissolution en combinaison avec des traitements mécaniques ou physiques autres que le gaufrage
D04H 1/56 - Non-tissés formés uniquement ou principalement de fibres coupées ou autres fibres similaires relativement courtes à partir de voiles ou couches composés de fibres ne possédant pas des propriétés cohésives réelles ou potentielles par soudage des fibres ensembles, p. ex. par fusion partielle ou dissolution en association avec la formation de la fibre, p. ex. suivant immédiatement l'extrusion des fibres en brin
D04H 3/16 - Non-tissés formés uniquement ou principalement de fils ou de matériaux filamenteux similaires de bonne longueur caractérisés par la méthode de renforcement ou de consolidation avec liages produits par soudage entre fils thermoplastiques ou filaments avec liages entre filaments thermoplastiques produits en relation avec la formation des filaments, p. ex. suivant immédiatement l'extrusion
38.
Polyolefin Composition Comprising Polypropylene Homopolymer and Recycled Plastic Material
Provided is a polyolefin composition including a) at least one polypropylene homopolymer, b) 10-45 wt % (based on the overall weight of the polyolefin composition) of a mixed-plastics polypropylene blend of recycled plastic material; c) glass fibers; and d) at least one coupling agent, and optionally further additives, wherein the sum of all ingredients add always up to 100 wt %. The polyolefin composition has a melt flow rate MFR2 (230° C., 2.16 kg, measured according to ISO 1133) of at least 5 g/10 min; a tensile modulus at 23° C. of at least 5000 MPa (ISO 527-2), and a tensile stress at yield at 23° C. of at least 80 MPa.
The present invention is directed to a polypropylene composition (C) comprising a heterophasic propylene copolymer (HECO), a mixed-plastics polypropylene blend (PPB), a flame retardant (FR), fibers (F) and optionally an adhesion promoter (AP) as well as an article comprising said polypropylene composition (C).
The present invention is directed to a polypropylene composition (C) comprising a propylene homopolymer, a mixed-plastics polypropylene blend (PPB), a flame retardant (FR), fibers (F) and optionally an adhesion promoter (AP) as well as an article comprising said polypropylene composition (C).
The present invention relates to a metallocene-catalysed multimodal polyethylene copolymer (P), to the use of the multimodal copolymer (P) of ethylene in film applications and to a film comprising the polymer composition of the invention.
The present invention relates to a heterophasic polypropylene composition having a high melting temperature and concurrently moderate softness and high impact strength. In particular, the present invention relates to a heterophasic polypropylene composition comprising a propylene copolymer (A) matrix of propylene with ethylene and 1-butene comonomer units and a propylene ethylene elastomer (B) dispersed within the matrix. Further, the present invention also relates to a preparation process for the heterophasic polypropylene composition in the presence of a Ziegler-Natta catalyst, and to articles comprising the heterophasic polypropylene composition as well as to the use of the heterophasic polypropylene composition in an article.
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
43.
HETEROPHASIC PROPYLENE-ETHYLENE COPLYMER/PROPYLENE-BUTYLENE RANDOM COPOLYMER
A heterophasic polypropylene composition (PC), comprising: i) from 40.0 to 90.0 wt.-% of a heterophasic C3C2 copolymer (HECO) having an MFR2 of 1.0 to 5.0 g/10 min, a Tm of 149 to 160° C., a CF content of 60.0 to 95.0 wt.-%, a C2(CF) of 0.0 to 2.0 wt.-%, a SF content of 5.0 to 40.0 wt.-% and a C2(SF) of 18.0 to 30.0 wt.-%; and ii) from 10.0 to 60.0 wt.-%, of a C3C4 random copolymer (RACO), having an MFR2 in the range from 0.5 to 15.0 g/10 min and a C4 content in the range from 1.0 to 10.0 wt.-%.
22 of 1.0 to 100 g/10 min, b) from 1.0 to 30.0 wt.-%, of a hydrogenated styrene farnesene block copolymer (HSFC); c) optionally, from 0.0001 to 1.0 wt.-%, of one or more nucleating agents (NU); and d) optionally, from 0.01 to 5.0 wt.-%, of one or more further additives (A) different to the one or more nucleating agents (NU).
A composition obtainable by blending components (A) and (B) (A) 50 to 95 wt.-%, preferably 55 to 90 wt.-%, more preferably 60 to 88 wt.-% of a mixed-plastics polypropylene/polyethylene blend; and (B) 5 to 50 wt.-%. preferably 10 to 45 wt.-%, more preferably 12 to 40 wt.-% of a heterophasic propylene copolymer; whereby all percentages refer to the total composition; a process for producing said composition, an article comprising said composition, the use of said composition for the production of an article, and the use of component (B) in said composition for increasing melt flow rate MFR2 (230° C. 2.16 kg. ISO1133) and the flexural modulus and reducing the VOC and FOG content of said composition.
22, as determined in accordance with ISO 1133 at 230 °C under a load of 2.16 kg, of from 2.5 to 12.0 g/10 min; - a xylene cold soluble (XCS) content, as determined in accordance with ISO 16152, of from 0.1 to 1.8 wt.-%; - an ethylene content, as determined by 13C-NMR spectroscopy, of from 0 to 0.5 wt.-%; - a ratio between the weight average molecular weight (Mw) and the number average molecular weight (Mn), Mw/Mn, as determined according to the GPC method as described herein, of from 4.5 to 9.0, preferably from 5.0 to 8.0; - a melting temperature Tm, as determined in accordance with ISO 11357 / part 3 / method C2, of from 160 to 175 °C; and - a crystallization temperature Tc, as determined in accordance with ISO 11357 / part 3 / method C2, of from 122 to 135 °C.
22, as determined in accordance with ISO 1133 at 230 °C under a load of 2.16 kg, of from 6.0 to 10.0 g/10 min; - a xylene cold soluble (XCS) content, as determined in accordance with ISO 16152, of from 1.0 to 2.0 wt.-%; - a melting temperature Tm, as determined in accordance with ISO 11357 / part 3 / method C2, of from 155 to 175 °C; and - a crystallization temperature Tc, as determined in accordance with ISO 11357 / part 3 / method C2, of from 105 to 130 °C - a pentad regularity [mmmm], as determined by 13C-NMR spectroscopy, of from 90 to 99.9 mol-%.
A polypropylene composition (PC) being a mixed-plastic polypropylene blend having: a) an MFR2 of 5.0 to 19.0 g/10 min; b) a flexural modulus of 1500 to 2200 MPa; c) an MSB surface quality value of 3 to 19; and d) a limonene content of 0.10 to 25.0 ppm; wherein the polymeric part of said polypropylene composition (PC) has: 1) a C2(total) of 10.0 to 30.0 wt.-%; 11) a crystalline fraction (CF) content of 60.0 to 80.0 wt.-%, said CF having a C2(CF) of 0.0 to 10.0 wt.-% and an iV(CF) of 1.0 to 2.0; and a soluble fraction (SF) content of 20.0 to 40.0 wt.-%, said SF having a C2(SF) of 45.0 to 65.0 wt.-% and an iV(SF) of 1.8 to 3.6 dL/g.
The present invention relates to a polypropylene composition comprising a crystalline fraction (CF) and a soluble fraction (SF), both determined according to CRYSTEX QC analysis, whereby said soluble fraction (SF)—is present in the polypropylene composition in an amount in the range of 10.0 to 35.0 wt.-%, preferably in the range of 11.0 to 32.5 wt.-%, more preferably in the range of 12.0 to 30.0 wt.-%, based on the total weight of the polypropylene composition, —has an intrinsic viscosity (iV(SF)) of at least 2.0 dl/g, preferably in the range of 2.3 to 4.5 dl/g, more preferably in the range of 2.5 to 4.3 dl/g, and—has an ethylene content (C2(SF)) in the range of 14.0 to 29.0 wt.-%, preferably in the range of 17.0 to 26.0 wt.-%, more preferably in the range of 19.0 to 24.0 wt.-%, based on the total weight of the soluble fraction (SF), as determined by FT-IR spectroscopy calibrated by quantitative 13C-NMR spectroscopy; wherein the ratio of the intrinsic viscosity of the soluble fraction to the intrinsic viscosity of the crystalline fraction (iV(SF)/(iV(CF)) is in the range of 2.5 to 5.0, preferably in the range of 2.6 to 4.8; and wherein the polypropylene composition has a melt flow rate MFR2 (230° C., 2.16 kg, ISO 1133) in the range of 105 to 320 g/10 min, preferably in the range of 107 to 300 g/10 min, more preferably in the range of 110 to 280 g/10 min; 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.
C08F 2/01 - Procédés de polymérisation caractérisés par des éléments particuliers des appareils de polymérisation utilisés
C08F 4/659 - Composant couvert par le groupe contenant une liaison métal de transition-carbone
C08F 4/6592 - Composant couvert par le groupe contenant une liaison métal de transition-carbone contenant au moins un cycle cyclopentadiényle, condensé ou non, p. ex. un cycle indényle ou fluorényle
The disclosure relates to a metallocene complex of formula (I) wherein Mt is Zr or Hf; X is a sigma ligand; R1120488-ring; R2and R2'11010-hydrocarbyl, provided that at least one of R2and R2'31010-hydrocarbyl; n are each independently, same or different from each other, an integer from 1 to 5; R3and R41672072062020-aryl, -OR31, SR31, or N(R3122,with R3111010-hydrocarbyl, whereby at least one R3per phenyl group and at least one R4is not H; R5and R6110577 carbocycle; R51'11010-hydrocarbyl; and R6'is C(R6133, with R61166-alkyl.
B01J 31/00 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques
C08F 4/6592 - Composant couvert par le groupe contenant une liaison métal de transition-carbone contenant au moins un cycle cyclopentadiényle, condensé ou non, p. ex. un cycle indényle ou fluorényle
C08F 210/16 - Copolymères de l'éthylène avec des alpha-alcènes, p. ex. caoutchoucs EP
C07C 43/21 - Éthers une liaison sur l'oxygène de la fonction éther étant sur un atome de carbone d'un cycle aromatique à six chaînons contenant des cycles autres que des cycles aromatiques à six chaînons
The disclosure relates to a metallocene complex of formula (I) wherein Mt is Zr or Hf; X is a sigma ligand; R1120488 ring; R2and R2'22-R21, with R211638699-aryl, provided that R2and R2'are not both methyl; R3and R41672072062020 aryl, or -OR31, with R3111010-hydrocarbyl, whereby at least one R3per phenyl group and at least one R4is not H; R5and R6110577 carbocycle; R51'11010-hydrocarbyl; and R6'is C(R6133, with R61166-alkyl.
B01J 31/00 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques
C08F 210/16 - Copolymères de l'éthylène avec des alpha-alcènes, p. ex. caoutchoucs EP
C07C 43/21 - Éthers une liaison sur l'oxygène de la fonction éther étant sur un atome de carbone d'un cycle aromatique à six chaînons contenant des cycles autres que des cycles aromatiques à six chaînons
52.
METALLOCENES FOR THE MANUFACTURE OF PROPYLENE COPOLYMERS
41010 alpha olefin comonomers; wherein the process is carried out in presence of a polymerization catalyst comprising, (i) a metallocene complex of formula (I); (ii) a cocatalyst system comprising a cocatalyst comprising a group 13 element; and (iii) optionally a support. wherein the metallocene complex of formula (I) is wherein Mt is Zr or Hf; X is a sigma ligand; R1120488 ring; R2and R2'22-R21, with R211638699-aryl, provided that R2and R2'are not both methyl; R3and R41672072062020 aryl, or -OR31, with R3111033 per phenyl group and at least one R4is not H; R5and R6110577 carbocycle; R51'11010-hydrocarbyl; and R6'is C(R6133, with R61166-alkyl.
C08F 4/6592 - Composant couvert par le groupe contenant une liaison métal de transition-carbone contenant au moins un cycle cyclopentadiényle, condensé ou non, p. ex. un cycle indényle ou fluorényle
The disclosure relates to a metallocene complex of formula (I), wherein Mt is Zr or Hf; X is a sigma ligand; R1120488-ring; R2and R2'61022-R21, with R2111010-hydrocarbyl; n are each independently, same or different from each other, an integer from 1 to 5; R3and R41672072062020-aryl, or -OR31, with R3111010-hydrocarbyl, whereby at least one R3per present phenyl group and at least one R4is not H; R5and R611010-hydrocarbyl or form together with neighbouring oxygen atoms -O(R61mm-O-, wherein R6122122-alkyl and m being an integer from 2 to 4; R5'and R6'11-C10-hydrocarbyl or form together with neighbouring oxygen atoms –O(R61')m-O-, wherein R61'22122-alkyl and m being an integer from 1 to 4; R762062020-aryl is substituted 1 to 5 times with R3, whereby at least one R3 per said aryl group is not H.
The disclosure relates to a metallocene complex of formula (I), wherein Mt is Zr or Hf: X is a sigma ligand; R1120488 ring; R2and R2'11010- hydrocarbyl; n are each independently an integer from 1 to 5; R3and R411010 hydrocarbyl group, or a –OR31, -SR31or -N R3122 group in which R3111010 hydrocarbyl, whereby at least on R3per phenyl group and at least one R4is not hydrogen.; R51'11010-hydrocarbyl; and R6'is C(R6133, with R61166-alkyl.
C08F 4/659 - Composant couvert par le groupe contenant une liaison métal de transition-carbone
C07C 43/21 - Éthers une liaison sur l'oxygène de la fonction éther étant sur un atome de carbone d'un cycle aromatique à six chaînons contenant des cycles autres que des cycles aromatiques à six chaînons
B01J 31/00 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques
The disclosure relates to a metallocene complex of formula (I) wherein Mt is Zr or Hf; L is O or S; X is a sigma ligand; R1120488-ring; R261011061010-aryl and heteroaryl are optionally substituted with 1 to 3 R21'; with R21'11010- hydrocarbyl; R2'61010-aryl, R2'being optionally substituted with 1 to 3 R21'; with R21'11010-hydrocarbyl; n are each independently, same or different from each other, an integer from 1 to 5; R3and R412020-hydrocarbyl or –OR31, wherein R3111010-hydrocarbyl, whereby at least one R3and at least one R4is not hydrogen; R51and R51'11010- hydrocarbyl; and R6and R6'are each independently, same or different from each other, C(R613166-alkyl.
B01J 31/00 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques
C08F 210/16 - Copolymères de l'éthylène avec des alpha-alcènes, p. ex. caoutchoucs EP
C07C 43/21 - Éthers une liaison sur l'oxygène de la fonction éther étant sur un atome de carbone d'un cycle aromatique à six chaînons contenant des cycles autres que des cycles aromatiques à six chaînons
C07D 201/00 - Préparation, séparation, purification ou stabilisation des lactames non substituées
The disclosure relates to a metallocene complex of formula (I) wherein Mt is Zr or Hf, preferably Zr; X is a sigma ligand R1120488-ring; R212020-hydrocarbyl; R2'31010-hydrocarbyl or SiH(R21'22, with R21'11010-hydrocarbyl; n are each independently an integer from 1 to 5; R3and R411010- hydrocarbyl group, or a –OR31, -SR31or -NR3122 group in which R3111010- hydrocarbyl, whereby at least one R3and at least one R4is not hydrogen; L is O or S; R51and R51'11010- hydrocarbyl; and R6and R6'are each independently, same or different from each other, C(R6133 or - OR61, with R61166-alkyl; or adjacent LR51and R6and/or LR51'and R6'form together a -O[C(R622m62166-alkyl, with m being 1 to 3.
B01J 31/00 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques
C08F 210/16 - Copolymères de l'éthylène avec des alpha-alcènes, p. ex. caoutchoucs EP
C07C 43/21 - Éthers une liaison sur l'oxygène de la fonction éther étant sur un atome de carbone d'un cycle aromatique à six chaînons contenant des cycles autres que des cycles aromatiques à six chaînons
The disclosure relates to a process for preparation of a supported catalyst system, wherein the supported catalyst system comprises: (i) a metallocene complex of formula (I); (ii) a cocatalyst system comprising an aluminoxane cocatalyst; and (iii) a porous inorganic support; wherein the process comprises: - a) reacting the porous inorganic support with the aluminoxane cocatalyst in a first hydrocarbon solvent to obtain an aluminoxane cocatalyst treated support; - b) contacting the aluminoxane cocatalyst treated support with a solution to obtain the supported catalyst system, wherein the solution comprises the metallocene complex of formula (I) and a second hydrocarbon solvent, and the solution does not include an aluminoxane cocatalyst; wherein the metallocene complex of formula (I) is (I).
B01J 31/00 - Catalyseurs contenant des hydrures, des complexes de coordination ou des composés organiques
C08F 210/16 - Copolymères de l'éthylène avec des alpha-alcènes, p. ex. caoutchoucs EP
C07C 43/21 - Éthers une liaison sur l'oxygène de la fonction éther étant sur un atome de carbone d'un cycle aromatique à six chaînons contenant des cycles autres que des cycles aromatiques à six chaînons
A process for providing an intermediate polyolefin polymer sample from a first polyolefin polymerization reactor coupled in series with a second polyolefin polymerization reactor and being connected by a connecting conduit.
The present invention concerns a flame retardant polypropylene composition comprising a polypropylene polymer, a nitrogen-containing flame retardant carbon black and optionally glass fibers and an article comprising the flame retardant polypropylene composition.
The present invention relates to a composition comprising 83 to 87 wt.% of a polypropylene homopolymer and 13 to 17 wt.% of a cyclic olefin polymer comprising cyclic olefin units, wherein the content of the cyclic olefin units is in a range of from 82 to 86 wt.%, based on the total weight of the cyclic olefin polymer. The present invention is, furthermore, directed to a film comprising the composition, wherein the film may be a cast film or a biaxially oriented film. Apart from that, a capacitor comprising the biaxially oriented film is provided.
The present invention provides a novel polypropylene homopolymer composition suitable for small appliances, which comprises 95.00 to 99.99 wt% of a specific single site catalyzed polypropylene homopolymer and 0.01 to 5.00 wt% of specific additive(s) shifting the trade-off relationship in terms of optical and mechanical properties.
C08F 4/6592 - Composant couvert par le groupe contenant une liaison métal de transition-carbone contenant au moins un cycle cyclopentadiényle, condensé ou non, p. ex. un cycle indényle ou fluorényle
C08F 4/659 - Composant couvert par le groupe contenant une liaison métal de transition-carbone
63.
ANTI-NUCLEATING AGENTS FOR PIGMENTED POLYPROPYLENE RESINS
The present invention relates to a polypropylene composition comprising an organic pigment and a polymeric dispersing agent consisting of a polymer comprising carboxyl groups, carbamate groups or acrylic groups, an article comprising said polypropylene composition and the use of said polymeric dispersing agent in said polypropylene composition for reducing the crystallization temperature (Tc) of the composition by at least 1°C compared to a composition differing from said composition by being without polymeric dispersing agent.
The present invention relates to a polypropylene composition comprising a high isotactic homopolymer of propylene in a content from 70 to less than 95 wt.-%, a cyclic olefin polymer composition in a content from 5 to less than 30 wt.-%, and a nucleating agent in a content from 0.0000001 to 1 wt.-%. The present invention is, furthermore, directed to a cast film comprising the polypropylene composition and a biaxially oriented film comprising the polypropylene composition. Apart from that, a capacitor comprising the biaxially oriented film is provided.
A cross-linkable polyethylene composition for high frequency welding comprising a copolymer (A) of ethylene, and an -olefin comonomer (A1) with 3 to 12 carbon atoms having a density of from 850 to 970 kg/m3, a terpolymer (B) of ethylene, a polar comonomer (B1) and a cross-linkable comonomer (B2).
The present invention relates to a heterophasic polypropylene composition having excellent balance between mechanical and optical properties. In particular, the present invention relates to a heterophasic polypropylene composition comprising a propylene copolymer (A) matrix of propylene with ethylene and 1-butene comonomer units and a propylene ethylene elastomer (B) dispersed within the matrix. Further, the present invention also relates to a preparation process for the heterophasic polypropylene composition in the presence of a Ziegler-Natta catalyst, and to articles comprising the heterophasic polypropylene composition as well as to uses of the heterophasic polypropylene composition and the article.
The present invention relates to a polymer blend with excellent mechanical properties, comprising a post-consumer recycled polyolefin composition and a heterophasic polypropylene composition. Further, the present invention also relates to a preparation process for the polymer blend comprising the preparation of the heterophasic polypropylene composition in the presence of a Ziegler-Natta catalyst. Moreover, the present invention relates to articles comprising the polymer blend as well as to the use of the polymer blend for the manufacture of articles.
The invention provides a process for the production of a polyolefin homo- or copolymer in a continuous multistage polymerisation reaction in the presence of a single site catalyst, wherein the process comprises polymerising an olefin monomer and optionally comonomer(s) in a multi stage polymerisation reactor system comprising a first reactor and thereafter one or more gas phase reactor(s), wherein an aluminium alkyl is introduced into the gas phase reactor(s) and wherein the aluminium alkyl is not introduced to the first reactor.
The present invention relates to a process for the preparation of a heterophasic polypropylene composition by a multi-stage polymerization process using a Ziegler-Natta catalyst. The prepared heterophasic polypropylene composition comprises ethylene and 1-butene comonomer units. The process is characterized by an efficient usage of 1-butene comonomers during preparation of the heterophasic polypropylene composition.
The present invention relates to a composition obtainable by blending at least components (A), (B) and (C) (A) 25 wt.-% to 75 wt.-%, preferably 35 to 65 wt.-%, more preferably 40 to 60 wt.-% of a mixed-plastics polypropylene blend; (B) 17 wt.-% to 65 wt.-%, preferably 20 to 55 wt.-%, more preferably 25 to 50 wt.-% of a first propylene homopolymer; and (C) 3 wt.-% to 30 wt.-%, preferably 5 to 27 wt.-%, more preferably 7 to 25 wt.-% of a second propylene homopolymer.
A process for reducing the volatile and semi-volatile organic content (VOC and FOG values) of a heterophasic polypropylene composition, the heterophasic polypropylene composition comprising (i) at least 15 wt.-% of at least a first heterophasic polypropylene; (ii) less than 15 wt.-% of at least one elastomeric polyolefin, (iii) at least one filler; (iv) optionally polyethylene; and (v) optionally further polyolefins to below 100 μg/g (VOC, VDA 278 October 2011) and below 390 μg/g (FOG, VDA 278 October 2011), the process involving aerating the first heterophasic polypropylene and each further polyolefin component that is present in an amount of at least 15 wt.-% relative to the total weight of the heterophasic polypropylene composition, before extruding these aerated components with the at least one elastomeric polyolefin and the at least one filler and the optional polyethylene and/or optional further polyolefin(s).
The invention provides a cable, preferably a power cable, comprising one or more conductors surrounded by at least one layer, preferably an insulation layer, wherein said layer comprises a polymer composition comprising: (i) at least 75 wt % of an ethylene based plastomer; and (ii) 0.2 to 10 wt % of an amine filler, oxide filler or mixture thereof; and wherein said polymer composition has a dielectric loss expressed as tan δ (50 Hz) of 200×10−4 or less, when measured at 500 V/mm and 90° C. as described in the description part under “Determination methods”.
H01B 3/44 - Isolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires résines vinyliquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires résines acryliques
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.
inoutout at the cooling medium outlet of the circulation gas cooler, wherein the circulation gas comprises propylene and optional comonomer and wherein the circulation gas is cooled by indirect heat exchange with the cooling medium (cm) in the cooling circuit of the circulation gas cooler, b) selecting one gas phase reactor from the one or more gas phase reactor(s) of the multistage reactor system as the selected gas phase reactor, c) calculating the production rate Z –X (kg/h) of the propylene homo- or copolymer produced in the selected gas phase reactor by formula (1), and d) controlling the production rate Z – X (kg/h) of the propylene homo- or copolymer produced in the selected gas phase reactor.
B01J 8/18 - Procédés chimiques ou physiques en général, conduits en présence de fluides et de particules solidesAppareillage pour de tels procédés les particules étant fluidisées
B01J 19/00 - Procédés chimiques, physiques ou physico-chimiques en généralAppareils appropriés
B01J 19/18 - Réacteurs fixes avec éléments internes mobiles
B01J 19/24 - Réacteurs fixes sans élément interne mobile
75.
BLEND OF UV STABILIZERS AND HINDERED AMINE LIGHT STABILIZERS FOR ACHIEVING EXCELLENT LONG TERM UV AND THERMAL STABILITY
The present invention relates to a photovoltaic module having a protective back layer element that comprises a polypropylene composition comprising a certain combination of hindered amine light stabilizers and UV stabilizers, as well as to the use of the certain blend of hindered amine light stabilizers and UV stabilizers for maintaining elongation at break after UV or oven treatment.
B32B 7/00 - Produits stratifiés caractérisés par la relation entre les couchesProduits stratifiés caractérisés par l’orientation relative des éléments caractéristiques entre les couches, ou par les valeurs relatives d’un paramètre mesurable entre les couches, c.-à-d. produits comprenant des couches ayant des propriétés physiques, chimiques ou physicochimiques différentes Produits stratifiés caractérisés par la jonction entre les couches
B32B 27/00 - Produits stratifiés composés essentiellement de résine synthétique
H01L 31/00 - Dispositifs à semi-conducteurs sensibles aux rayons infrarouges, à la lumière, au rayonnement électromagnétique d'ondes plus courtes, ou au rayonnement corpusculaire, et spécialement adaptés, soit comme convertisseurs de l'énergie dudit rayonnement e; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de ces dispositifs ou de leurs parties constitutives; Leurs détails
H02S 30/00 - Détails structurels des modules photovoltaïques [PV] autres que ceux qui concernent la conversion de la lumière
76.
TITANIUM DIOXIDE-CONTAINING POLYPROPYLENE COMPOSITIONS FOR EXTERNAL ELEMENTS OF BIFACIAL PHOTOVOLTAIC MODULES
The present invention relates to a photovoltaic module having a protective back layer element that comprises a polypropylene composition comprising low levels of one or more white pigments, as well as to the use of titanium dioxide for maintaining elongation at break after UV treatment.
H01L 31/054 - Dispositifs à semi-conducteurs sensibles aux rayons infrarouges, à la lumière, au rayonnement électromagnétique d'ondes plus courtes, ou au rayonnement corpusculaire, et spécialement adaptés, soit comme convertisseurs de l'énergie dudit rayonnement e; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de ces dispositifs ou de leurs parties constitutives; Leurs détails adaptés comme dispositifs de conversion photovoltaïque [PV] Éléments optiques directement associés ou intégrés à la cellule PV, p.ex. moyens réflecteurs ou concentrateurs de lumière
The disclosure relates to a process for producing a prepolymerised Ziegler-Natta catalyst. The process comprises Ai) reacting at least one acyclic alpha-olefin having 2 to 10 carbon atoms in the presence of a Ziegler-Natta catalyst, and Aii) subsequently reacting a vinyl cycloalkane, a vinyl cycloalkene and/or a vinyl arene in the presence of the Ziegler-Natta catalyst; or Bi) reacting a vinyl cycloalkane, a vinyl cycloalkene and/or a vinyl arene in the presence of the Ziegler-Natta catalyst, and Bii) subsequently reacting at least one acyclic alpha-olefin having 2 to 10 carbon atoms in the presence of a Ziegler-Natta catalyst. where Bi) a vinyl cycloalkane, a vinyl cycloalkene and/or a vinyl arene is reacted in the presence of a Ziegler-Natta catalyst and Bii) at least one acyclic alpha-olefin having 2 to 10 carbon atoms is subsequently reacted with the Ziegler-Natta catalyst, the weight ratio of the at least one acyclic alpha-olefin to Ziegler-Natta catalyst is less than 200:1.
A monophasic propylene-ethylene random copolymer composition (R-PP), comprising: a) 30 to 70 wt.-% of a first propylene-ethylene random copolymer fraction (R-PP1), having an ethylene content in the range from 0.1 to 5.0 mol-%; b) 30 to 70 wt.-% of a second propylene-ethylene random copolymer fraction (R-PP2), having an ethylene content in the range from 0.1 to 10.0 mol-%; wherein [C2(R-PP)]/[C2(R-PP1)] is more than or equal to 1.00, having a melting temperature in the range from 120 to 145° C., a content of 2, 1-regiodefects in the range from 0.05 to 1.40 mol-%, a relative content of isolated to block ethylene sequences, I(E) of more than or equal to 70.0% and fulfilling inequation (I): I(E)−3.79[C2(R-PP)]≥52.0 (I).
A process for forming a Ziegler-Natta catalyst component, wherein a certain combination of washing steps is employed, enabling the provision of inventive catalysts capable of synthesising polypropylenes with increased melting temperature, decreased XCS content, as well as more efficiently maintaining catalyst activity across sequential polymerization processes.
The present invention relates to a flame retardant polymer composition comprising (A) 2.0 to 15.0 wt % of a copolymer of ethylene comprising units selected from the group consisting of methyl acrylate, methyl methacrylate or mixtures thereof; (B) 0 to 4.0 wt % of a polyethylene and/or polypropylene containing units originating from maleic acid anhydride; (C) 0.1 to 3.0 wt % of a silicon fluid and/or silicone gum; (D) 40.0 to 55.0 wt % of a magnesium hydroxide; (E) 2.0 to 15.0 wt % of a copolymer of ethylene and alpha olefin comonomer units having from 4 to 10 carbon atoms, which has a density of from 860 to 910 kg/m3, determined according to ISO 1183; (F) 18.0 to 35.0 wt % of a copolymer of ethylene and alpha olefin comonomer units having from 4 to 10 carbon atoms, which has a density of from 920 to 960 kg/m3, determined according to ISO 1183, and a melt flow rate MFR5 of from 0.05 to 2.50 g/10 min, determined according to ISO 1133 at a temperature of 190° C. and a load of 5.0 kg; and (G) 0 to 8.0 wt % of carbon black, wherein all weight percentages are based on the total weight of the flame retardant polymer composition; an article, such as a wire or cable, comprising said flame retardant polymer composition; and the use of said flame retardant polymer composition for the production of an article, such as a wire or cable.
C08K 9/04 - Ingrédients traités par des substances organiques
H01B 7/295 - Protection contre les dommages provoqués par des facteurs extérieurs, p. ex. gaines ou armatures par des températures extrêmes ou par les flammes en utilisant un matériau résistant aux flammes
81.
RECYCLATE CONTAINING POLYPROPYLENE COMPOSITION FOR INTERIOR AUTOMOTIVE APPLICATIONS
The present invention relates to a polypropylene composition (PC) being a mixedplastic polypropylene blend containing recycled material and comprising inclusions attributed to automotive paints and to articles comprising said polypropylene composition (PC).
The present invention relates to a polypropylene composition comprising a polymer of propylene, a halogen-free flame retardant containing nitrogen and phosphorus, a pigment and additives, wherein the additives comprise at least one hindered amine light stabilizer comprising NOR moieties (NOR-HALS) and at least one acid scavenger. The present invention is, furthermore, directed to an article comprising the polypropylene composition, and to the improvement of the UV stability of a polypropylene composition comprising a halogen-free flame retardant containing nitrogen and phosphorus.
The present invention relates to a polypropylene composition comprising a polymer of propylene, a halogen-free flame retardant containing nitrogen and phosphorus, a pigment and additives, wherein the additives comprise at least one hindered amine light stabilizer (HALS) containing at least one ester-group and at least one acid scavenger. The present invention is, furthermore, directed to an article comprising the polypropylene composition, and to the improvement of the UV stability of a polypropylene composition comprising a halogen-free flame retardant containing nitrogen and phosphorus.
A polypropylene composition (PC) obtainable by blending: i) a propylene polymer (PP); ii) a dicarboxylic acid according to formula (I) (CHA), wherein R1 to R4 are independently selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, hydroxyalkyl, cycloalkyl, cycloalkenyl, aryl, substituted aryl, and halide and combinations thereof and optionally any adjacent R1 to R4 are linked together to form a 5-membered or 6-membered ring; iii) a calcium salt of a fully saturated fatty acid (CaFA).
A polypropylene composition (PC) obtainable by blending: i) a propylene polymer (PP); ii) a dicarboxylic acid according to formula (I) (CHA), wherein R1 to R4 are independently selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, hydroxyalkyl, cycloalkyl, cycloalkenyl, aryl, substituted aryl, and halide and combinations thereof and optionally any adjacent R1 to R4 are linked together to form a 5-membered or 6-membered ring; iii) a calcium salt of a fully saturated fatty acid (CaFA).
The invention provides a biaxially oriented film comprising a polymer composition having a density 954 to 970 kg/m3 and an MFR2 of 0.5 to 2.0 g/10 min, wherein said composition comprises:
(i) 90 to 99 wt % of a multimodal high density polyethylene (HDPE) having a density of 945-970 kg/m3, an MFR2 of 0.1-3.0 g/10 min and a molecular weight distribution (MWD) of 5-25, the multimodal HDPE comprising at least two fractions:
(A) 30 to 70 wt % of a lower molecular weight fraction being a polyethylene with a density of 955-980 kg/m3 and an MFR2 of 100-1000 g/10 min; and
(B) 30 to 70 wt % of a higher molecular weight fraction being a polyethylene with a density of 940-960 kg/m3 and an MFR2 of 0.0001-1.0 g/10 min measured according to ISO 1133; and
(ii) 1 to 10 wt % of a hydrocarbon resin.
B32B 27/08 - Produits stratifiés composés essentiellement de résine synthétique comme seul composant ou composant principal d'une couche adjacente à une autre couche d'une substance spécifique d'une résine synthétique d'une sorte différente
B32B 27/32 - Produits stratifiés composés essentiellement de résine synthétique comprenant des polyoléfines
The present invention relates to a crosslinkable polymer composition comprising a copolymer of ethylene and hexene, which is a multimodal polyethylene having at least two polymer fractions present in the polymer, each having different weight average molecular weights, the copolymer having a crystallinity, determined by DSC as described herein, of at least 40%, the polymer composition further comprising a carbon black content of not more than 4 wt. %, based on the total weight of the polymer composition, wherein the polymer composition does not contain a silane-modified polymeric component, and the polymer composition passes the tracking resistance test at least at 4.5 kV for 1 h followed at 4.75 kV for 1 h, determined according to IEC60587 (2007), method 2A, on compression molded plaques prepared according to ISO 11357 The present invention further relates to a track resistant wire or cable comprising at least one layer of the above polymer composition or to the use of the polymer composition in a wire or cable for increasing track resistance, fire retardancy and/or heat resistance. The present invention further relates to a method for manufacturing the above polymer composition.
C08K 9/04 - Ingrédients traités par des substances organiques
C08K 13/06 - Ingrédients prétraités et ingrédients prévus dans les groupes principaux
G02B 6/44 - Structures mécaniques pour assurer la résistance à la traction et la protection externe des fibres, p. ex. câbles de transmission optique
H01B 3/44 - Isolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires résines vinyliquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques matières plastiquesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques résinesIsolateurs ou corps isolants caractérisés par le matériau isolantEmploi de matériaux spécifiés pour leurs propriétés isolantes ou diélectriques composés principalement de substances organiques cires résines acryliques
H01B 7/295 - Protection contre les dommages provoqués par des facteurs extérieurs, p. ex. gaines ou armatures par des températures extrêmes ou par les flammes en utilisant un matériau résistant aux flammes
The present invention discloses a polymer composition (C) comprising: a) a heterophasic propylene-ethylene copolymer (HECO) having a melt flow rate (MFR2) as determined at 230 °C under a load of 2.16 kg in accordance with ISO 1133 of from 0.1 to 15.0 g/10 min, in an amount of from 50 to 99 wt.-% based on the total weight of the polymer composition (C), comprising: a1) a crystalline matrix that is a propylene homopolymer or a copolymer of propylene and ethylene and/or C3-C12 alpha olefins; a2) an amorphous propylene-ethylene elastomer (EPR); wherein the heterophasic propylene-ethylene copolymer (HECO) is further characterized by its crystalline fraction (CF) and soluble fraction (SF) as determined by CRYSTEX QC analysis, wherein the soluble fraction (SF) has an ethylene content of from 10 to 50 wt.-% based on the total weight of the soluble fraction (SF; b) a propylene homopolymer (PP-H) having a melt flow rate (MFR2) as determined at 230 °C under a load of 2.16 kg in accordance with ISO 1133 of from 0.01 to 5.0 g/10 min, in an amount of from 1 to 30 wt.-% based on the total weight of the polymer composition (C); and c) optionally, a high density polyethylene (HDPE) with a density of from 940 to 985 kg/m3, in an amount of from 0 to 20 wt.-% based on the total weight of the polymer composition (C).
The present invention relates to a polypropylene composition (PC) being a mixed-plastic polypropylene blend containing recycled material, to articles comprising said polypropylene composition, as well as to the use of certain additives for the reduction of aldehyde content in compositions derived at least partially from recyclates.
A polymer composition comprising (i) 4.95 to 95.0 wt. % low density polyethylene (LDPE) (component (i), herein after); (ii) 4.95 to 95.0 wt. % of a polypropylene (component (ii), herein after); and (iii) 0.00 to 30.0 wt. % of a styrene block copolymer (component (iii), herein after); (iv) 0.05 to 10.0 wt. % of an aliphatic, preferably alkyl, functionalized inorganic nanoparticle filler (component (iv), herein after); whereby the weight percentages (wt. %) are expressed relative to the total weight of the polymer composition.
Process for the production of a polypropylene random copolymer (PP), the process comprising the steps of polymerising in a first reactor (R1) propylene and a comonomer (C1a) selected from a C4 to C8 α-olefin in the presence of a first metallocene catalyst (MC1) yielding a first polypropylene copolymer (PP1), wherein the ratio of the feed of the comonomer (C1a) to the feed of propylene is in the range of 1 to 100 mol/kmol and the MFR2 of the first polypropylene copolymer (PP1) is in the range of 0.01 to 100 g/10 min; transferring the first polypropylene copolymer (PP1) to a second reactor (R2); polymerising in the second reactor (R2) and in the presence of said first polypropylene (PP1), propylene, a comonomer (C1b) selected from a C4 to C8 α-olefin, and a second metallocene catalyst (MC2) yielding a second polypropylene copolymer (PP2), wherein the ratio of the feed of the comonomer (C1b) to the feed of propylene is in the range of 40 to 150 mol/kmol and the MFR2 of the second polypropylene copolymer (PP2) is in the range of 0.01 to 100 g/10 min; withdrawing the polypropylene random copolymer (PP) comprising the first polypropylene copolymer (PP1) and the second polypropylene copolymer (PP2) from the second reactor (R2); wherein the first metallocene catalyst (MC1) and/or the second metallocene catalyst (MC2) is a metallocene catalyst (MC) comprising a metallocene complex, and wherein the metallocene catalyst (MC) comprises a support comprising silica.
C08F 4/659 - Composant couvert par le groupe contenant une liaison métal de transition-carbone
C08F 4/6592 - Composant couvert par le groupe contenant une liaison métal de transition-carbone contenant au moins un cycle cyclopentadiényle, condensé ou non, p. ex. un cycle indényle ou fluorényle
C08F 255/02 - Composés macromoléculaires obtenus par polymérisation de monomères sur des polymères d'hydrocarbures tels que définis dans le groupe sur des polymères d'oléfines contenant deux ou trois atomes de carbone
93.
PROCESS FOR PRODUCING PELLETS OF POLYOLEFINS, AND PELLETS SO PRODUCED
Process for producing pellets of polyolefins. Especially, a process for producing pellets from soft and sticky polyolefins, like soft propylene copolymers or propylene based elastomers (POEs).
B29C 48/00 - Moulage par extrusion, c.-à-d. en exprimant la matière à mouler dans une matrice ou une filière qui lui donne la forme désiréeAppareils à cet effet
B29C 48/02 - Petits appareils d’extrusion, p. ex. extrudeuses à main, jouets ou de laboratoire
B29C 48/04 - Moulage par extrusion, c.-à-d. en exprimant la matière à mouler dans une matrice ou une filière qui lui donne la forme désiréeAppareils à cet effet caractérisées par la forme à l’extrusion de la matière extrudée en forme de particules
B29C 48/345 - Filières d’extrusion comprenant au moins deux orifices disposés de manière adjacente, pour extrusion simultanée de fils multiples, p. ex. pour faire des boulettes
B29C 48/88 - Traitement thermique de l’écoulement de matière extrudée, p. ex. refroidissement
B29C 48/86 - Traitement thermique de la matière à mouler par extrusion ou des pièces ou des couches préformées, p. ex. par chauffage ou refroidissement dans la zone de la filière
The present invention relates to mechanical polyolefin recycling process, wherein flexible articles are sorted by at least the presence/ absence or identity of an external foreign material layer, with each of the resultant fractions of the recycling stream washed using conditions optimised for said stream, as well as to a mechanical polyolefin recycling apparatus configured for carrying out the mechanical polyolefin recycling process. The mechanical polyolefin recycling process comprises, in the given order, the steps of: a) providing a precursor polyolefin recycling stream (A) that contains polyolefin-containing pieces, wherein the precursor polyolefin recycling stream (A) contains at least 70 wt.-% of polyolefin- containing films; b) sorting the pieces of the precursor polyolefin recycling stream (A) in one or more sorting steps by means of one or more sorters to form two or more polyolefin recycling fractions (B), wherein the pieces of the precursor polyolefin recycling stream (A) are at least sorted by the presence/absence or identity of an external foreign material layer, wherein the foreign material is any non-polyolefin material; c) washing each of the two or more polyolefin recycling fractions (B) individually, wherein the washing conditions for each of the two or more polyolefin recycling fractions (B) may be the same or different, with the proviso that at least one of the washing conditions is different to at least one other washing condition in least one variable selected from the group consisting of washing temperature, washing duration, washing solution, thereby generating two or more washed polyolefin recycling fractions (C).
A monophasic bimodal propylene/ethylene/1-butene random terpolymer composition (PP) comprising: a) 40 to 90 wt.-% of a first random terpolymer fraction (PP1), having a C2 content in the range from 0.3 to 3.0 mol-%, and a C4 content in the range from 1.0 to 5.0 mol-%; and b) 10 to 60 wt.-% of a second random terpolymer fraction (PP2), having a C2 content in the range from 3.0 to 7.0 mol-%, and a C4 content in the range from 2.0 to 6.0 mol-%, having: i) a C2 content in the range from 1.0 to 4.0 mol-%; ii) a C4 content in the range from 1.5 to 4.5 mol-%; iii) an MFR2 in the range from 3.0 to 10 g/10 min; and iv) a content of 2,1-regiodefects in the range from 0.1 to 1.5 mol %.
The invention provides a biaxially oriented film comprising a multimodal high density polyethylene (HDPE), wherein the multimodal HDPE has a density determined according to ISO 1183 in the range of 952 to 968 kg/m3 and an MFR2 of 0.3 to 3.0 g/10) min when measured at 190° C. with a load of 2.16 kg according to ISO 1133, and wherein the multimodal HDPE comprises at least two fractions: (C) 30 to 70 wt % relative to the total weight of the multimodal HDPE, of a lower molecular weight fraction being a polyethylene with a density in the range of 955 to 980 kg/m3 and an MFR2 of 100 to 2000 g/10 min when measured at 190° C. with a load of 2.16 kg according to ISO 1133; and (D) 30 to 70 wt % relative to the total weight of the multimodal HDPE, of a higher molecular weight fraction being a polyethylene with a density in the range of 925 to 970 kg/m3 and an MFR2 of 0.0001 to 1.0 g/10 min when measured at 190° C. with a load of 2.16 kg according to ISO 1133.
The present invention relates to a composition comprising 70 to 95 wt.-% based on the total weight of the polypropylene composition of a high isotactic homopolymer of propylene, and 5 to 30 wt.-% based on the total weight of the polypropylene composition of a cyclic olefin polymer composition having a glass transition temperature in a range of from 140 to 155 °C, wherein the cyclic olefin polymer composition comprises at least a first cyclic olefin polymer and a second cyclic olefin polymer, wherein the first cyclic olefin polymer has a glass transition temperature of below 140 °C. The present invention is, furthermore, directed to a cast film comprising the polypropylene composition and a biaxially oriented film comprising the polypropylene composition. Apart from that, a capacitor comprising the biaxially oriented film is provided.
A process for the separation of at least one polyolefin from a product stream from a solution polymerization process, wherein the product stream comprises the at least one polyolefin and a mixture of volatiles, the process comprising the steps of separating the product stream into a first polyolefin-lean vapor stream and a first condensed polyolefin-rich stream; separating the first condensed polyolefin-rich stream into a second polyolefin-lean vapor stream and a second condensed polyolefin-rich stream; separating the second condensed first condensed polyolefin-rich stream into a last polyolefin-lean vapor stream and a last condensed polyolefin-rich stream; characterized in that the first polyolefin-lean vapor stream and the second polyolefin-lean vapor stream are introduced into an initial feed stream of the solution polymerization process without any further purification step.
Provided is a polyolefin composition including a) 20-80 wt % (based on the total weight of the polyolefin composition) of at least one bimodal polyethylene including a polyethylene homopolymer and a polyethylene copolymer formed from ethylene and at least one olefin with at least 6 carbon atoms as comonomer with a melt flow rate MFR5 (190° C., 5 kg, measured according to ISO 1133) of at least 0.1 g/10 min b) 80-20 wt % (based on the total weight of the polyolefin composition) of a polyethylene enriched blend of recycled plastic material including polyethylene and polypropylene with a melt enthalpy ratio of PP:PE in the range of 0:100 to 10:90, which is recovered from a waste plastic material derived from post-consumer and/or post-industrial waste, with a melt flow rate MFR5 (190° C., 5 kg, measured according to ISO 1133) of at least 0.8 g/10 min.
The present disclosure relates to a composite material comprising, relative to the total weight of the composite material, (a) from 25.0 to 55.0 wt.-% of a specific first heterophasic propylene-ethylene copolymer (HECO1), (b) from 10.0 to 30.0 wt.-% of a specific second heterophasic propylene-ethylene copolymer (HECO2), (c) from 5.0 to 15.0 wt.-% of an ethylene-based elastomer being a copolymer of ethylene and an alpha-olefin co-monomer having from 4 to 12 carbon atoms, and the ethylene-based elastomer having a density in the range from 850 to 900 kg/m³, (d) from 5.0 to 30.0 wt.-% of wood-based fibers, (e) from 1.0 to 5.0 wt.-% of a compatibilizer being a polar modified polypropylene or a polar modified elastomer, (f) from 0.02 to 5.0 wt.-% of additives, and (g) optionally from 0.1 to 15.0 wt.-% of a high density polyethylene. Furthermore, an injection molded article, like an automotive article, is provided that comprises said composite material.
