Abstract: Disclosed are compositions which include a polymer with a nucleophilic group and a 1,1-disubstituted alkene disposed on the polymer. Disclosed is a composition containing a polymer which includes a nucleophilic group. In addition, also disclosed are methods of making a composition including a polymer with a nucleophilic group and a 1,1-disubstituted alkene disposed on the polymer, methods of chain extending or cross linking a polymer with a nucleophilic group with a 1,1-disubstituted alkene and methods of polymerizing a 1,1-disubstituted alkene.

Abstract: Glass fiber reinforced olefin compositions comprise polypropylene homopolymers, polypropylene copolymers, opacifying pigments, fibrous reinforcers, light stabilizers, lubricants and antioxidants. The opacifying pigments are advantageously ZnO, ZnS or surface treated anatase TiO2.

Abstract: A thermoplastic polymer composition that exhibits substantially isotropic post injection molding shrinkage. The thermoplastic polymer composition includes a blend of highly crystalline polypropylene homopolymer, an ethylene-C4-8 ?-olefin plastomer and talc having a D50 of about 2.0 ?m or less. The thermoplastic polymer composition exhibits post injection molding shrinkage, low temperature impact strength and tensile strength that is similar to or better than relatively expensive engineering resins and blends. The thermoplastic polymer composition according to the invention is particularly useful for forming injection molded parts for motor vehicles.

Abstract: The present invention provides a thermoplastic olefin composition that is particularly suitable for use in extruding tapes or films that can be further processed to form the hook portion of hook-and-loop fasteners for use on disposable absorbent products. The thermoplastic olefin compositions according to the invention provide the opacity, tear strength and flexural modulus considered optimal for such applications. Thermoplastic olefin compositions according to the invention include an olefin component including a highly crystalline homopolymer of polypropylene, an inorganic particulate filler component, and a colorant package including titanium dioxide and iron oxide pigments.

Abstract: Glass fiber reinforced olefin compositions comprise polypropylene homopolymers, polypropylene copolymers, opacifying pigments, fibrous reinforcers, light stabilizers, lubricants and antioxidants.

Abstract: The present invention provides a light reflecting polymeric composition that includes at least one halogenated-flame-retardant-additive-free polymer having dispersed therein a pigment package including a combination of Sb2O3 and TiO2. The Sb2O3 and TiO2 preferably have an average particle size within the range of from about 0.05 ?m to about 1.0 ?m, and more preferably about 0.2 ?m. When used in combination, the Sb2O3 and TiO2 pigments synergistically interact together to provide a polymeric composition exhibiting a reflectivity that is substantially higher than can be obtained by the use of either of the pigments alone.

Abstract: A thermoplastic polymer composition that exhibits substantially isotropic post injection molding shrinkage. The thermoplastic polymer composition includes a blend of highly crystalline polypropylene homopolymer, an ethylene-C4-8 ?-olefin plastomer and talc having a D50 of about 2.0 ?m or less. The thermoplastic polymer composition exhibits post injection molding shrinkage, low temperature impact strength and tensile strength that is similar to or better than relatively expensive engineering resins and blends. The thermoplastic polymer composition according to the invention is particularly useful for forming injection molded parts for motor vehicles.

Abstract: This invention relates to a polymer composition comprising (A) from about 55% to about 75% by weight of at least one polyolefin, (B) from about 2% to about 12% by weight of at least one reaction product of an alpha, beta unsaturated carboxylic reagent and a polyolefin, and (C) from 15% to about 35% by weight of filler. In one aspect, the polymer compositions also include (D) at least one copolymer of ethylene and an olefin, (E) at least one polyamide, or (F) a mixture of (D) and (E). These compositions provide articles and films with improved scratch resistance and hardness. These compositions have improved processing character because their low coefficient of friction.

Abstract: The present invention provides a method of forming a polymer-wood composite structure and additive systems for use therein. The method of the invention includes extruding a heated mixture that includes from about 20% to about 80% by weight of a thermoplastic polymer, from about 20% to about 80% by weight of a cellulosic filler material, and from about 0.1% to about 10% by weight of an additive system. The additive system according the invention includes a blend of from about 10% to about 90% by weight of a nonionic compatibilizer having an HLB value of from about 9 to about 19 and from about 10% to about 90% by weight of a lubricant. Use of the method and additive system according to the invention facilitates the production of highly filled polymer-wood composite structures at a very high output rate while maintaining commercially acceptable surface appearance.

Abstract: The present invention provides a thermoformable polymer blend that resists surface discoloration when exposed to acidic environments, such as exist within a clothes treating apparatus having an interior region into which is introduced a conditioning composition comprising from about 0.001% to about 10% of a diethylene glycol, from about 0.01% to about 10% of a beta cyclodextrin, from about 0.001% to about 5% of a surfactant, from about 0% to about 2% of a preservative, and the balance water. The discoloration resistant thermoformable polymer blend according to the invention includes: (A) a polymer package including a blend of: (Ai) one or more homopolymers and/or copolymers of polypropylene; (Aii) one or more polymers of vinyl aromatic monomers; (Aiii) one or more block polymers; and (Aiv) one or more styrene-maleic anhydride copolymers; (B) a surface treated mineral filler; (C) an antioxidant package; (D) a zinc-based lubricant; and (E) optionally, a titanium dioxide based colorant system.

Abstract: The present invention provides a light reflecting polymeric composition that includes at least one halogenated-flame-retardant-additive-free polymer having dispersed therein a pigment package including a combination of Sb2O3 and TiO2. The Sb2O3 and TiO2 preferably have an average particle size within the range of from about 0.05 ?m to about 1.0 ?m, and more preferably about 0.2 ?m. When used in combination, the Sb2O3 and TiO2 pigments synergistically interact together to provide a polymeric composition exhibiting a reflectivity that is substantially higher than can be obtained by the use of either of the pigments alone.

Abstract: The present invention provides low specular gloss polymeric compositions that exhibit good mechanical strength and methods of forming the same. According to the method of the invention, a masterbatch composition that includes fiberglass dispersed in a polypropylene homopolymer or copolymer is melt-mixed with a copolymer or homopolymer of polypropylene and a filler such as talc or calcium carbonate to form a polymer blend that exhibits low specular gloss and good mechanical properties.

Abstract: The present invention provides a light reflecting polymeric composition that includes at least one halogenated-flame-retardant-additive-free polymer having dispersed therein a pigment package including a combination of Sb2O3 and TiO2. The Sb2O3 and TiO2 preferably have an average particle size within the range of from about 0.05 ?m to about 1.0 ?m, and more preferably about 0.2 ?m. When used in combination, the Sb2O3 and TiO2 pigments synergistically interact together to provide a polymeric composition exhibiting a reflectivity that is substantially higher than can be obtained by the use of either of the pigments alone.

Abstract: The present invention provides a method of forming a polymer-wood composite structure and additive systems for use therein. The method of the invention includes extruding a heated mixture that includes from about 20% to about 80% by weight of a thermoplastic polymer, from about 20% to about 80% by weight of a cellulosic filler material, and from about 0.1% to about 10% by weight of an additive system. The additive system according the invention includes a blend of from about 10% to about 90% by weight of a nonionic compatibilizer having an HLB value of from about 9 to about 19 and from about 10% to about 90% by weight of a lubricant. Use of the method and additive system according to the invention facilitates the production of highly filled polymer-wood composite structures at a very high output rate while maintaining commercially acceptable surface appearance.

Abstract: The present invention provides a thermoformable polymer blend that resists surface discoloration when exposed to acidic environments, such as exist within a clothes treating apparatus having an interior region into which is introduced a conditioning composition comprising from about 0.001% to about 10% of a diethylene glycol, from about 0.01% to about 10% of a beta cyclodextrin, from about 0.001 % to about 5% of a surfactant, from about 0% to about 2% of a preservative, and the balance water.

Abstract: The present invention provides a polymer alloy including from about 40% to about 75% by weight of at least one polyamide, from about 10% to about 50% by weight polypropylene, from about 0.01% to about 1.0% by weight of at least one block copolymer including a vinyl aromatic monomer and a conjugated diene, and also includes an unsaturated dicarboxylic reagent, from about 0.1% to about 5.0% by weight of at least one block copolymer or terpolymer, wherein the terpolymer may have an unsaturated dicarboxylic reagent grafted thereto, from about 0.01% to about 7.5% of a compatibilizing agent, and from about 5% to about 50% by weight of a filler. The alloy of the present invention exhibits improved knitline strength and improved drop impact results compared with prior art fiberglass-reinforced nylon blends.

Abstract: The present invention provides a light reflecting polymeric composition that includes at least one halogenated-flame-retardant-additive-free polymer having dispersed therein a pigment package including a combination of Sb2O3 and TiO2. The Sb2O3 and TiO2 preferably have an average particle size within the range of from about 0.05 &mgr;m to about 1.0 &mgr;m, and more preferably about 0.2 &mgr;m. When used in combination, the Sb2O3 and TiO2 pigments synergistically interact together to provide a polymeric composition exhibiting a reflectivity that is substantially higher than can be obtained by the use of either of the pigments alone.

Abstract: The present invention provides a coextruded multilayer thermoplastic film structure for use in forming a medical fluid container such as an I.V. bag. A coextruded multilayer thermoplastic film structure according to the invention includes at least three layers. The first layer (A), which is the layer that contacts medical fluids such as, for example, saline solutions, lactated Ringers solutions, and the like, includes a mixture of a major part of a homopolymer or copolymer of polypropylene and a minor part of a block polymer of a vinyl aromatic monomer and a conjugated diene, a partially hydrogenated derivative thereof, or a selectively hydrogenated derivative thereof to which has been grafted a unsaturated carboxylic reagent.

Abstract: The present invention provides a TPO blend that exhibits surprisingly excellent low temperature impact resistance. The TPO blend according to the invention includes a polyolefin, a metallocene catalyzed olefinic copolymer plastomer and a lubricant package. The lubricant package includes a mixture of an internal lubricant and an external lubricant. In the preferred embodiment of the invention the polyolefin is polypropylene, the metallocene catalyzed olefinic copolymer is a metallocene catalyzed low density ethylene-octene copolymer, and the lubricant package includes a blend of ethylene bis-stearamide wax as an external lubricant and calcium stearate wax as an internal lubricant. The TPO blend according to the invention also preferably comprises optional antioxidants, UV stabilizers, and colorants.

Abstract: The present invention provides a coextruded multilayer thermoplastic film structure for use in forming a medical fluid container such as an I.V. bag. A coextruded multilayer thermoplastic film structure according to the invention includes at least three layers. The first layer (A), which is the layer that contacts medical fluids such as, for example, saline solutions, lactated Ringers solutions, and the like, includes a mixture of a major part of a homopolymer or copolymer of polypropylene and a minor part of a block polymer of a vinyl aromatic monomer and a conjugated diene, a partially hydrogenated derivative thereof, or a selectively hydrogenated derivative thereof to which has been grafted a unsaturated carboxylic reagent.