Compositions of high molecular weight poly(hydroxy acid) polymer having good thermal stability and a weight average molecular weight of >100,000 by GPC. The compositions include one or more chain-terminator compounds/impurities which may be incorporated into the polymer and rendered harmless by the presence of appropriate amounts of bi-functional and multi-functional polymerization initiators. A process including first mixing glycolic acid and/or lactic acid (with chain-terminators), and a diol or di-acid initiator, and at least one multifunctional initiator to form a liquid monomer mixture in an agitated polycondensation reactor. Next, polycondensing to form a liquid reaction mixture comprising a pre-polymer having a weight average molecular weight of >10,000 by GPC, and greater than 80% by mole hydroxyl or carboxyl end-group termination, then crystallizing to form a first solid reaction mixture. Then, solid state polycondensing the solid reaction mixture to form a solid reaction mixture having a moisture level less than 50 ppm by weight. Then, mixing the solid reaction mixture with an appropriate reactive coupling agent in a melting and mixing extruder to couple and form the reaction mixture and form the final poly(hydroxy acid) polymer.
Compositions of high molecular weight poly(hydroxy acid) polymer having good thermal stability and a weight average molecular weight of >100,000 by GPC. The compositions include one or more chain-terminator compounds/impurities which may be incorporated into the polymer and rendered harmless by the presence of appropriate amounts of bi-functional and multi-functional polymerization initiators, processes of preparing the polymer, and uses of the polymer to provide containers and polymer films or film-derived packages prepared therefrom.
Compositions of high molecular weight poly(hydroxy acid) polymer having good thermal stability and a weight average molecular weight of >100,000 by GPC. The compositions include one or more chain-terminator compounds/impurities which may be incorporated into the polymer and rendered harmless by the presence of appropriate amounts of bi-functional and multi-functional polymerization initiators. A process including first mixing glycolic acid and/or lactic acid (with chain-terminators), and a diol or di-acid initiator, and at least one multifunctional initiator to form a liquid monomer mixture in an agitated polycondensation reactor. Next, polycondensing to form a liquid reaction mixture comprising a pre-polymer having a weight average molecular weight of >10,000 by GPC, and greater than 80% by mole hydroxyl or carboxyl end-group termination, then crystallizing to form a first solid reaction mixture. Then, solid state polycondensing the solid reaction mixture to form a solid reaction mixture having a moisture level less than 50 ppm by weight. Then, mixing the solid reaction mixture with an appropriate reactive coupling agent in a melting and mixing extruder to couple and form the reaction mixture and form the final poly(hydroxy acid) polymer.
Compositions of high molecular weight poly(hydroxy acid) polymer having good thermal stability and a weight average molecular weight of >100,000 by GPC. The compositions include one or more chain-terminator compounds/impurities which may be incorporated into the polymer and rendered haimless by the presence of appropriate amounts of bi-functional and multi-functional polymerization initiators. A process including first mixing glycolic acid and/or lactic acid (with chain-terminators), and a diol or di-acid initiator, and at least one multifunctional initiator to form a liquid monomer mixture in an agitated polycondensation reactor. Next, polycondensing to form a liquid reaction mixture comprising a pre-polymer having a weight average molecular weight of >10,000 by GPC, and greater than 80% by mole hydroxyl or carboxyl end-group termination, then crystallizing to form a first solid reaction mixture. Then, solid state polycondensing the solid reaction mixture to form a solid reaction mixture having a moisture level less than 50 ppm by weight. Then, mixing the solid reaction mixture with an appropriate reactive coupling agent in a melting and mixing extruder to couple and form the reaction mixture and form the final poly(hydroxy acid) polymer. Date Recue/Date Received 2020-12-24
B65D 23/00 - Details of bottles or jars not otherwise provided for
B65D 65/38 - Packaging materials of special type or form
B65D 81/24 - Adaptations for preventing deterioration or decay of contentsApplications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
Provided is a polyester or co-polyester resin used in the manufacture of preforms suitable for making bottles and containers containing a carbon black, particularly lamp black carbon black, with a primary particle size in a range of from 100 to 160 nanometers.
Three independent approaches to the reduction of gas molecule permeability through a polyethylene terephthalate (PET) polyester film or container wall by increasing the mechanically or thermally induced crystallinity or the overall crystallinity level of a single or multilayer container, where the three approaches may be employed independently or in combination with one another.
C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
B29C 49/00 - Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mouldApparatus therefor
B29C 49/22 - Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mouldApparatus therefor using multilayered preforms or parisons
B65D 65/40 - Applications of laminates for particular packaging purposes
B65D 81/26 - Adaptations for preventing deterioration or decay of contentsApplications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, fluids, e.g. exuded by contentsApplications of corrosion inhibitors or desiccators
A method for producing ultra-high intrinsic viscosity (IV) polyester resin pellets from a resin that contains one or more comonomers in an amount of up to 30 mol%. The method includes extruding a polyethylene terephthalate polyester starting material having a starting IV (IVst) meeting the following relationship: 0.65 dL/g
A method for improving the impact resistance of an extrusion blow molded article by extrusion blow molding an ultra-high IV polymer resin having an IV of at least 0.9 dL/g, wherein the extrusion blow molding is carried out in a mold with a texturized base surface such that a base surface of the extrusion blow molded article is textured.
Three independent approaches to the reduction of gas molecule permeability through a polyethylene terephthalate (PET) polyester film or container wall by increasing the mechanically or thermally induced crystallinity or the overall crystallinity level of a single or multilayer container, where the three approaches may be employed independently or in combination with one another.
C08L 67/03 - Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the hydroxy and the carboxyl groups directly linked to aromatic rings
12.
POLYESTER CONTAINERS AND FILMS WITH REDUCED GAS PERMEABILITY
Three independent approaches to the reduction of gas molecule permeability through a polyethylene terephthalate (PET) polyester film or container wall by increasing the mechanically or thermally induced crystallinity or the overall crystallinity level of a single or multilayer container, where the three approaches may be employed independently or in combination with one another.
C08L 67/03 - Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the hydroxy and the carboxyl groups directly linked to aromatic rings
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
(1) Unprocessed artificial resins; unprocessed plastics; adhesives for general industrial use; synthetic resin compounds in the form of polymer chips for use in the manufacture of containers, bottles, cups, lids, trays, and other plastic products
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
(1) Unprocessed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products; chemical precursors and raw materials in the nature of unprocessed synthetic resins for the manufacture of synthetic polymers, resins and fibers
(2) Semi-processed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
(1) Unprocessed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products; chemical precursors and raw materials in the nature of unprocessed synthetic resins for the manufacture of synthetic polymers, resins and fibers
(2) Semi-processed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Unprocessed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products; chemical precursors and raw materials in the nature of unprocessed synthetic resins for the manufacture of synthetic polymers, resins and fibers. Semi-processed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products.
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Unprocessed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products; chemical precursors and raw materials in the nature of unprocessed synthetic resins for the manufacture of synthetic polymers, resins and fibers. Semi-processed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products.
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Unprocessed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products; chemical precursors and raw materials in the nature of unprocessed synthetic resins for the manufacture of synthetic polymers, resins and fibers Semi-processed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products
01 - Chemical and biological materials for industrial, scientific and agricultural use
17 - Rubber and plastic; packing and insulating materials
Goods & Services
Unprocessed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products; chemical precursors and raw materials in the nature of unprocessed synthetic resins for the manufacture of synthetic polymers, resins and fibers Semi-processed synthetic resin compounds in the form of fibers or polymer chips for use in the manufacture of bottles, cups, lids, trays, containers, other plastic products and fiber products
A method for improving the impact resistance of an extrusion blow molded article by extrusion blow molding an ultra-high IV polymer resin having an IV of at least 0.9 dL/g, wherein the extrusion blow molding is carried out in a mold with a texturized base surface such that a base surface of the extrusion blow molded article is textured.
Provided is a polyester or co-polyester resin used in the manufacture of preforms suitable for making bottles and containers containing a carbon black, particularly lamp black carbon black, with a primary particle size in a range of from 100 to 160 nanometers.
C08L 67/00 - Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chainCompositions of derivatives of such polymers
25.
Polyester resins with particular carbon black as a reheat additive in the production of stretch blow molded bottles and containers
Provided is a polyester or co-polyester resin used in the manufacture of preforms suitable for making bottles and containers containing a carbon black, particularly lamp black carbon black, with a primary particle size in a range of from 100 to 160 nanometers.
Provided is a polyester or co-polyester resin used in the manufacture of preforms suitable for making bottles and containers containing a carbon black, particularly lamp black carbon black, with a primary particle size in a range of from 100 to 160 nanometers.
C08G 63/48 - Polyesters chemically modified by esterification by unsaturated higher fatty oils or their acidsPolyesters chemically modified by esterification by resin acids
27.
Ultra-high IV polyester for extrusion blow molding and method for its production
An ultra-high IV polyester suitable for high melt strength end-uses, such as injection blow molding, pipe extrusion, profile extrusion, and extrusion blow molding, is provided, having IV of greater than 0.9; and a process for its production having high IV lift rate during SSP processing.
A method for producing an ultra-high intrinsic viscosity polyester resin having a final IV of at least 0.9 dL/g, where the polyester starting material has been prepared by melt polymerization up to a starting IV with no more than 0.05 dL/g of IV lift due to solid-state polymerization, and where the polyester starting material is in solid form as a resin particle having been subjected to latent heat crystallization upon formation of the resin particle, and having a variation of IV of no more than 0.05 dL/g across any dimension of the resin particle.
An ultra-high IV polyester suitable for high melt strength end-uses, such as injection blow molding, pipe extrusion, profile extrusion, and extrusion blow molding, is provided, having IV of greater than 0.9; and a process for its production having high IV lift rate during SSP processing.
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Unprocessed artificial resins; unprocessed plastics; adhesives for general industrial use; synthetic resin compounds in the form of polymer chips for use in the manufacture of containers, bottles, cups, lids, trays, and other plastic products
32.
METHOD FOR PROCESSING NON-SOID STATE POLYMERIZED POLYESTER RESINS WITH REDUCED VISCOSITY CHANGE
A method of processing a polyester composition without changing the Intrinsic viscosity of the polyester polymer by more than 0.025 dL/g such as Injection molding a PET resin to form a bottle perform and blow molding a container from the bottle preform.
B29C 39/02 - Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressureApparatus therefor for making articles of definite length, i.e. discrete articles
33.
CO-POLYESTER PACKAGING RESINS PREPARED WITHOUT SOLID-STATE POLYMERIZATION, A METHOD FOR PROCESSING THE CO-POLYESTER RESINS WITH REDUCED VISCOSITY CHANGE, AND CONTAINERS AND OTHER ARTICLES PREPARED BY THE PROCESS
A method of processing a polyester composition without changing the Intrinsic viscosity of the polyester polymer by more than 0.025 dL/g such as Injection molding a PET resin to form a bottle perform and blow molding a container from the bottle preform.
B29C 39/02 - Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressureApparatus therefor for making articles of definite length, i.e. discrete articles
Co-polyester packaging resins prepared without solid-state polymerization, a method for processing the co-polyester resins with reduced viscosity change and containers and other articles prepared by the process
A method of processing a polyester composition without changing the intrinsic viscosity of the polyester polymer by more than 0.025 dL/g such as injection molding a PET resin to form a bottle perform and blow molding a container from the bottle preform.
A process for producing compositions having improved gas barrier properties, and compositions containing a polyester resin and one or more of another thermoplastic resin and a filler, and may be used to form containers that exhibit improved resistance to gas permeation.
A process for producing compositions having improved gas barrier properties, and compositions containing a polyester resin and one or more of another thermoplastic resin and a filler, and may be used to form containers that exhibit improved resistance to gas permeation.
A PROCESS FOR MANUFACTURING CO-POLYESTER BARRIER RESINS WITHOUT SOLID-STATE POLYMERIZATION, CO-POLYESTER RESINS MADE BY THE PROCESS, AND CLEAR MONO-LAYER CONTAINERS MADE OF THE CO-POLYESTER RESINS
A process for producing compositions having improved gas barrier properties, and compositions containing a polyester resin and one or more of another thermoplastic resin and a filler, and may be used to form containers that exhibit improved resistance to gas permeation.
A process for producing compositions having improved gas barrier properties, and compositions containing a polyester resin and one or more of another thermoplastic resin and a filler, and may be used to form containers that exhibit improved resistance to gas permeation.
A process for producing compositions having improved gas barrier properties, and compositions containing a polyester resin and one or more of another thermoplastic resin and a filler, and may be used to form containers that exhibit improved resistance to gas permeation.
C08G 69/48 - Polymers modified by chemical after-treatment
C08F 20/00 - Homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide, or nitrile thereof
The invention provides UV-barrier formulations which result in products which effectively resist the transmission of ultraviolet light therethrough. The invention also provides UV-barrier formulations which result in products with improved resistance to ultraviolet light. In particular, the invention provides UV barrier formulations for polyester resins that have improved resistance to ultraviolet radiation, and significantly reduce ultraviolet light transmission in the resulting resin products. The invention also provides products and manufacturing processes based on the above formulations.
The invention provides UV-barrier formulations which result in products which effectively resist the transmission of ultraviolet light therethrough. The invention also provides UV-barrier formulations which result in products with improved resistance to ultraviolet light. In particular, the invention provides UV barrier formulations for polyester resins that have improved resistance to ultraviolet radiation, and significantly reduce ultraviolet light transmission in the resulting resin products. The invention also provides products and manufacturing processes based on the above formulations.
