Patent application number | Description | Published |
20090017240 | MULTILAYER FILM STRUCTURES COMPRISING BIO-BASED MATERIALS - A multilayer film structure is disclosed which comprises at least a first layer made of a bio-based polymer composition; a tie layer comprising one or more ethylene copolymers and one or more inorganic fillers; and optionally at least one additional layer. | 01-15-2009 |
20090192266 | TOUGHENED POLY(TRIMETHYLENE TEREPHTHALATE) COMPOSITION WITH REDUCED MELT VISCOSITY - A composition is disclosed which comprises a mixture of a poly(trimethylene terephthalate) polymer composition, a nucleating agent, and an ethylene copolymer. Also disclosed in a method for reducing the melt viscosity of nucleated poly(trimethylene terephthalate) polymer composition. | 07-30-2009 |
20090297747 | MOLDED ARTICLES COMPRISING IONOMER COMPOSITIONS - A molded article comprises an ionomer composition and has improved optical properties. The ionomer composition comprises an ionomer that is produced by partially neutralizing a precursor acid copolymer ant that has a melt index of about 400 g/10 min or less. The precursor acid copolymer comprises copolymerized units of an a-olefin having 2 to 10 carbons and, based on the total weight of the precursor acid copolymer, about 19.5 to about 30 wt % of copolymerized units of an α,β-ethylenically unsaturated carboxylic acid having 3 to 8 carbons. | 12-03-2009 |
20090298372 | ARTICLE COMPRISING IONOMER AND POLYAMIDE - A multilayer structure comprises a surface layer, a substrate, and optionally additional layers wherein the surface layer comprises or is produced from a blend comprising an ionomer and a polyamide; the ionomer is or must be derived from at least three repeat units derived from ethylene, an α,β-unsaturated C | 12-03-2009 |
20100112253 | HIGH-CLARITY IONOMER COMPOSITIONS AND ARTICLES COMPRISING THE SAME - An ionomer composition comprises an ionomer that is the neutralized product of a precursor acid copolymer. The precursor acid copolymer comprises copolymerized units of an α-olefin having 2 to 10 carbon atoms and about 20 to about 30 wt %, based on the total weight of the precursor acid copolymer, of copolymerized units of an α,β-ethylenically unsaturated carboxylic acid having 3 to 8 carbon atoms; a melt flow rate of about 10 to about 4000 g/10 min; and, when neutralized to a level of about 40% to about 90% and when comprising counterions that consist essentially of sodium cations, the precursor acid copolymer produces a sodium ionomer that has a melt flow rate of about 0.7 to about 25 g/10 min and a freeze enthalpy that is not detectable or that is less than about 3.0 j/g. Further provided are articles comprising the ionomer composition. | 05-06-2010 |
20100166991 | HIGH-CLARITY BLENDED IONOMER COMPOSITIONS AND ARTICLES COMPRISING THE SAME - An ionomer blend composition comprises a blend of a first ionomer and a second ionomer that is different from the first ionomer. The first ionomer is derived from a first precursor acid copolymer that has a melt flow rate of about 10 to about 4000 g/10 min and that comprises copolymerized units of an α-olefin and about 20 to about 30 wt % of copolymerized units of an α,β-ethylenically unsaturated carboxylic acid. Moreover, the first precursor acid can be neutralized to a level of about 40% to about 90% to form a sodium ionomer that has a MFR of about 0.7 to about 25 g/10 min and a freeze enthalpy that is less than about 3.0 j/g or that is not detectable, when determined by differential scanning calorimetry (DSC). A variety of articles may comprise or be produced from the ionomer blend composition, for example by injection molding. | 07-01-2010 |
20100166992 | IONOMER COMPOSITIONS WITH LOW HAZE AND HIGH MOISTURE RESISTANCE AND ARTICLES COMPRISING THE SAME - A sodium/zinc mixed ionomer comprises carboxylate groups and a combination of counterions that consists essentially of sodium cations and zinc cations. The sodium/zinc mixed ionomer is the neutralization product of a precursor acid copolymer. The precursor acid copolymer comprises copolymerized units of an α-olefin and an α,β-ethylenically unsaturated carboxylic acid, and it has a melt flow rate of about 10 to about 4000 g/10 min. In addition, the precursor acid copolymer, when neutralized to a level of about 40% to about 90%, and when comprising counterions that consist essentially of sodium ions, produces a sodium ionomer that has a freeze enthalpy that is not detectable or that is less than about 3.0 j/g, when determined by differential scanning calorimetry. Further provided are articles comprising or prepared from the sodium/zinc mixed ionomer. | 07-01-2010 |
20110086564 | Toughened thermoplastic polyamide compositions - Disclosed are high frequency-active blends comprising (a) copolymers of ethylene and maleic anhydride or its functional equivalents and (b) ethylene copolymers with polar comonomers such as ethylene/vinyl acetate copolymers, ethylene/alkyl (meth)acrylate copolymers and ethylene/(meth)acrylate/carbon monoxide terpolymers; and films, powders, multilayer structures, and articles prepared therefrom. | 04-14-2011 |
20110094540 | STARCH PURGING MATERIAL - A method is provided for cleaning the interior of polymer processing equipment having a resin composition retained therein, wherein a contaminant material is adhered to at least a portion of the interior surface of the polymer processing equipment. The method comprises the steps of: charging the polymer processing equipment having a residual polymer composition retained in the interior thereof with a purging composition comprising 45-94 weight % of starch; 0.05 to 20 weight % of water; and (3) 5 to 45 weight % of polyol plasticizer, wherein the weight percentages of starch, water and polyol plasticizer are based on the total weight of starch, water and polyol plasticizer; operating the polymer processing equipment to i) convey the purging composition through the polymer processing equipment, thereby removing and withdrawing substantially all of the residual polymer composition from the polymer processing equipment and causing a portion of the purging composition to be retained as a residual purging composition within the interior of the polymer processing equipment; and ii) remove at least a portion of the contaminant material that is adhered to an interior surface of the polymer processing equipment; and removing the portion of the purging composition retained as a residual purging composition from within the interior of the polymer processing equipment. | 04-28-2011 |
20110115134 | MANUFACTURING METHOD FOR SYNTHETIC RESIN HOLLOW BODY - In a method of manufacturing a synthetic resin hollow body for holding a fluid material, such as cosmetic solutions, chemicals and beverages, a hollow molding body is filled with cooled gas or cooled and pressurized gas during an overmolding step. | 05-19-2011 |
20110120525 | MOLDING PROCESSES FOR LIGHT CONCENTRATING ARTICLES THAT ARE USED IN SOLAR CELL MODULES - Light concentrating articles capable of concentrating about 1.02 to about 2000 sun equivalents of solar energy onto a solar cell comprise a thermoplastic composition, preferably an ionomer composition. The light concentrating articles may be made by a variety of processes, which are provided herein, such as for example an injection molding process, an injection overmolding process, an extrusion process, a cast film or sheet process, a blown film or sheet process, a vacuum forming process, a compression molding process, a transfer molding process, or a profile extrusion process. Secondary forming processes, such as bending, stamping, embossing, machining, laminating, adhering, metallizing, and the like may also be used in forming the light concentrating articles. | 05-26-2011 |
20110253296 | POLYMER BLENDS FOR PEELABLE AND/OR PERMANENT SEALS - Polymer compositions that can be useful as sealants for peelably and/or permanently sealed packages are provided. The polymer compositions comprise at least one ethylene copolymer and at least one propylene polymer. Also provided are packages sealed with the compositions of the invention, and methods of making packages comprising the compositions of the invention. | 10-20-2011 |
20120009305 | COMPOSITE FILMS FOR PACKAGING FRESH RED MEAT AND FISH - Disclosed are a composite film, and use of the film, in which the film has an oxygen permeation rate of from about 50 to about 2000 cm | 01-12-2012 |
20120202940 | POLYMER COMPOSITION COMPRISING POLYAMIDE AND IONOMER - Disclosed in a composition comprising at least one ionomer (A) and at least one blend comprising at least one polyamide and at least one ionomer (B) wherein the polyamide is an aliphatic polyamide and the ionomer (B) is a copolymer of ethylene, an α, β-unsaturated C | 08-09-2012 |
20120237706 | HIGH-CLARITY BLENDED IONOMER COMPOSITIONS AND ARTICLES COMPRISING THE SAME - An ionomer blend composition comprises a blend of a first ionomer and a second ionomer that is different from the first ionomer. The first ionomer is derived from a first precursor acid copolymer that has a melt flow rate of about 10 to about 4000 g/10 min and that comprises copolymerized units of an α-olefin and about 20 to about 30 wt % of copolymerized units of an α,β-ethylenically unsaturated carboxylic acid. Moreover, the first precursor acid can be neutralized to a level of about 40% to about 90% to form a sodium ionomer that has a MFR of about 0.7 to about 25 g/10 min and a freeze enthalpy that is less than about 3.0 j/g or that is not detectable, when determined by differential scanning calorimetry (DSC). A variety of articles may comprise or be produced from the ionomer blend composition, for example by injection molding. | 09-20-2012 |
20130164516 | LOW TEMPERATURE SEALING FILMS - Disclosed is a multilayer structure and a process therefore in which the multilayer structure comprises a core layer and a sealant layer; the structure is a coextruded, low temperature sealing, biaxially oriented film or sheet; the sealant layer has a seal initiation temperature of from 70 to 100° C.; the combined thickness of the core and the sealant layer is 20 to 60 μm; and the sealant layer has a thickness of from 10 to 20 percent based on the combined thickness of the core and sealant layer. | 06-27-2013 |
20130172488 | Compositions of Polyamide and Ionomer - Disclosed is a shaped article comprising a composition comprising polyamide and ionomer wherein the ionomer comprises a mixture of Zn and alkali metal (M2) cations wherein the Zn/M2 equivalent ratio is from about 0.6 to about 6. The articles prepared from the compositions with mixed ion ionomers exhibit high stiffness, hardness and toughness, good scratch resistance, desirable low melt viscosity and high processability. | 07-04-2013 |
20140113142 | MULTILAYER FILM STRUCTURE COMPRISING RENEWABLY SOURCED MATERIALS - A coextruded multilayer structure which can be oriented and a process therefor are disclosed in which the structure comprises a poly(hydroxyalkanoic acid) polymer (PHA) composition layer, a tie layer, and a sealant layer and the process comprises, consists essentially of, or consists of coextruding a PHA composition, a tie layer composition, and a sealant layer composition to produce a tubular multiplayer structure; cooling the multilayer film structure in a first bubble to produce a tubular multilayer structure; orienting the tubular multilayer structure under heating in a second bubble to produce an oriented tubular multilayer structure; and relaxing the oriented tubular multilayer structure under heating in a third bubble. The structure can be used to produce an article such as a packaging article. | 04-24-2014 |
20140370278 | MULTILAYER FILM COMPRISING CYCLIC OLEFIN COPOLYMER - Disclosed is a multilayer film structure, comprising, in order, a puncture resistant layer comprising at least one cyclic olefin copolymer (COC) and at least one ionomer or polyolefin, a tie layer and a sealant layer. The structure can be coextruded and can be prepared using a triple bubble process. | 12-18-2014 |