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 an adhesive composition for use in bonding a polymeric fitting to an olefin-containing component of an article used in medical applications. The adhesive composition according to the invention includes an adhesive polymer system dissolved in a solvent system. The solvent system includes an organic solvent having a solubility parameter within the range of from about 7.5 to about 10 (cal/cm3)1/2. Subsequent to forming a bond between the polymeric fitting and the olefin-containing component, the adhesive composition can meet the requirements for USP Class VI materials. In a preferred embodiment of the invention, the adhesive composition includes a low shear mixture of an adhesive polymer system including an atactic polypropylene and a low density polyethylene that is dissolved in a solvent system including a blend of d-limonene and a ketone selected from the group consisting of 4-heptanone and cyclohexanone.

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: This invention relates to a solvent based adhesive composition including a major amount of a solvent system and a minor amount of an adhesive polymer system. The solvent system preferably includes a terpene and an aldehyde, ketone, or an aromatic solvent. The adhesive polymer system preferably includes one or a blend of polymers that dissolve, at least in part, in the solvent solution. The components of the solvent adhesive are compatible in that they do not separate upon standing. The solvent based adhesive composition provides good adhesion between polymer articles such as, for example, polyolefin and acrylic films, as well as good adhesion between polymeric articles and wood or metal substrates.

Abstract: This invention relates to a multilayer thermoformable structure including: (A) a cap layer including at least 50% by weight of a polymethacrylate ester or polyacrylate ester or their copolymers or blends; (B) a core layer including at least 30% by weight polyolefin; and (C) a tie layer intermediate the cap layer (A) and core layer (B). The multilayer thermoformable structures of the invention are useful in applications requiring the physical properties of an olefin and the gloss, scratch resistance and chemical resistance of an acrylic polymer.

Abstract: This invention relates to a multilayer thermoformable composite structure including: a formulated cap layer (A) including at least about 50% by weight of a polymethacrylate ester, a polyacrylate ester, copolymers, and/or blends thereof; and a core layer (B) including from about 30% to about 100% by weight of a polyolefin. The multilayer thermoformable structures of the invention are useful in applications requiring the physical properties of an olefin and the gloss, scratch resistance and chemical resistance of an acrylic polymer.

Abstract: This invention relates to a multilayer thermoformable composite structure including: a formulated cap layer (A) including at least about 50% by weight of a polymethacrylate ester, a polyacrylate ester, copolymers, and/or blends thereof; and a core layer (B) including from about 30% to about 100% by weight of a polyolefin. The multilayer thermoformable structures of the invention are useful in applications requiring the physical properties of an olefin and the gloss, scratch resistance and chemical resistance of an acrylic polymer.

Abstract: The present invention provides an adhesive composition for use in bonding a polymeric fitting to an olefin-containing component of an article used in medical applications. The adhesive composition according to the invention includes an adhesive polymer system dissolved in a solvent system. The solvent system includes an organic solvent having a solubility parameter within the range of from about 7.5 to about 10 (cal/cm3)½. Subsequent to forming a bond between the polymeric fitting and the olefin-containing component, the adhesive composition can meet the requirements for USP Class VI materials. In a preferred embodiment of the invention, the adhesive composition includes a low shear mixture of an adhesive polymer system including an atactic polypropylene and a low density polyethylene that is dissolved in a solvent system including a blend of d-limonene and a ketone selected from the group consisting of 4-heptanone and cyclohexanone.

Abstract: This invention relates to a solvent based adhesive composition including a major amount of a solvent system and a minor amount of an adhesive polymer system. The solvent system preferably includes a terpene and an aldehyde, ketone, or an aromatic solvent. The adhesive polymer system preferably includes one or a blend of polymers that dissolve, at least in part, in the solvent solution. The components of the solvent adhesive are compatible in that they do not separate upon standing. The solvent based adhesive composition provides good adhesion between polymer articles such as, for example, polyolefin and acrylic films, as well as good adhesion between polymeric articles and wood or metal substrates.

Abstract: The powder coating composition of the present invention includes a low-temperature mixture of a powder (A) and a powder (B), in which at least the powder (A) includes an unsaturated polyester resin and a free radical initiator for initiating polymerization of unsaturated polyester resins in the powder coating composition and the powder (B) includes a polymerization promoter and methods for making the composition. The powder (B) may further include an unsaturated polyester. The powders (A) and (B) are physically mixed at temperatures below which the polymerization promoter would cause the free radical initiator to initiate polymerization of the powder coating composition. Subsequently, the physically mixed powder coating composition is applied to a substrate and cured, during which the polymerization promoter causes the free radical initiator to initiate the curing reaction.

Abstract: This invention relates to a polymer blend comprising in weight percent:A. from about 55% to about 90% of a polymer composition comprising: (i) 75% to about 100% of a homopolymer or a copolymer of polypropylene; and (ii) from about 0% to about 25% of a vinyl aromatic polymer;B. from about 0.5% to about 9% of at least one block polymer of a vinyl aromatic monomer and an aliphatic conjugated diene, a selectively hydrogenated derivative thereof, or a selectively hydrogenated derivative thereof to which has been grafted an unsaturated carboxylic reagent, wherein the block copolymer contains up to 50% by weight bound vinyl aromatic monomer;C. from about 2% to about 12% of at least one 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 an unsaturated carboxylic reagent, wherein the block polymer contains greater than 60% by weight bound vinyl aromatic monomer;D. from about 0.

Abstract: This invention relates to a polyester resin comprising (A) from about 5% to about 50% by weight reactive diluent and (B) from about 50% to about 95% by weight of an unsaturated polyester resin prepared from at least one component selected from the group consisting of (i) from about 0.5% up to about 8% by mole of a polyhydric alcohol, having at least three hydroxyl groups, and at least one transesterification catalyst, (ii) from about 2% up to about 12% by mole of a reaction product of a polyol and a fatty carboxylic acid, and (iii) from about 2% up to about 12% by mole of a fatty reactant selected from the group consisting of a fatty primary alcohol, a fatty epoxide, a fatty monocarboxylic acid and mixtures thereof, wherein each member of the group has up to about 100 carbon atoms. In another aspect, the invention relates to mixtures of the above polyester resins with conventional polyester resins. Methods of reducing volatile organic compound emissions are also part of the invention.

Abstract: The present invention provides a new and improved method of producing a dustless vinyl halide polymer color concentrate that does not require the formation of a hot melt or the use of wax. The color concentrate comprises a multitude of fine particles which each comprise a vinyl halide polymer resin core and a colorant material shell. The method includes the steps of providing a vinyl halide polymer, providing a colorant material, providing a compatibilizer having a solubility parameter of from about 7 to about 12 (cal/ml).sup.1/2, and mixing the vinyl halide polymer, compatibilizer and colorant material together to yield the dustless concentrate in the form of a vinyl halide resin core surrounded by a shell of the compatibilzer and the colorant material.

Abstract: This invention relates to a polyester resin comprising (A) from about 5% to about 50% by weight reactive diluent and (B) from about 50% to about 95% by weight of an unsaturated polyester resin prepared from at least one component selected from the group consisting of (i) from about 0.5% up to about 8% by mole of a polyhydric alcohol, having at least three hydroxyl groups, and at least one transesterification catalyst, (ii) from about 2% up to about 12% by mole of a reaction product of a polyol and a fatty carboxylic acid, and (iii) from about 2% up to about 12% by mole of a fatty reactant selected from the group consisting of a fatty primary alcohol, a fatty epoxide, a fatty monocarboxylic acid and mixtures thereof, wherein each member of the group has up to about 100 carbon atoms. In another aspect, the invention relates to mixtures of the above polyester resins with conventional polyester resins. Methods of reducing volatile organic compound emissions are also part of the invention.

Abstract: The present invention provides a color concentrate comprising (a) at least one resin selected from the group consisting of a polymer of a diene, a rosin material, a coumarone-indene resin, a polymer of vinyl aromatic monomer having an M n of from about 500 to about 4000, a wax and a mixture of two or more thereof, (b) at least one resin selected from the group consisting of a copolymer of an olefin and an acrylate or a methacrylate, a polymer of a vinyl aromatic monomer having an M n of at least about 10,000 and a mixture thereof, and (c) at least one colorant.

Abstract: The present invention provides a screen printable coating composition comprising one or more hydroxy functional materials (I), one or more crosslinkers (II) for curing the hydroxy functional materials, and one or more crystalline reactive diluents (III). The coating composition may also include one or more catalysts (IV), plasticizers (V), rheology modifiers (VI), waxes (VII) and coloring agents (VIII). Various additives and fillers may also be included in the coating composition.

Abstract: The present invention provides a new and improved method of producing coating materials comprising the steps of providing a first organic material which is solid at room temperature, providing a second organic material which is solid at room temperature and which is substantially different in chemical composition from the first organic material, providing a source of supercritical fluid, providing a first container having a mechanical agitator, providing a second container, introducing the first and second organic materials and the supercritical fluid into the first container and mechanically agitating such materials and the supercritical fluid, and discharging the contents of the first container into the second container so as to collect substantially all of the first and second organic materials in the second vessel, the second container being maintained at a lower pressure than the first container.

Abstract: This invention relates to an abrasive composition comprising (a) a major amount of at least one abrasive powder, (b) at least one resin selected from the group consisting of a polymer of a diene, a rosin material, a coumarone-indene resin, and a mixture of two or more thereof, and (c) at least one copolymer of an olefin and an acrylate or a methacrylate. The abrasive composition may additionally include (d) a surface active agent. The abrasive composition may be added to a polymer or resin to form purge compositions. The invention also relates to methods of cleaning processing equipment and preparing the abrasive compositions and purge composition.

Abstract: The present invention provides a new and improved method of producing coating materials comprising the steps of providing a first organic material which is solid at room temperature, providing a second organic material which is solid at room temperature and which is substantially different in chemical composition from the first organic material, providing a source of supercritical fluid, providing a first container having a mechanical agitator, providing a second container, introducing the first and second organic materials and the supercritical fluid into the first container and mechanically agitating such materials and the supercritical fluid, and discharging the contents of the first container into the second container so as to collect substantially all of the first and second organic materials in the second vessel, the second container being maintained at a lower pressure than the first container.

Abstract: This invention relates to a multilayer thermoformable structure comprising (A) at least one cap layer and (B) at least one core layer, and polymer compositions for making the same. The multilayer structures and polymer compositions of the invention are useful in preparing thermoformed articles and are particularly useful in preparing liners for refrigerators and freezers. The multilayer structures and the polymer composition have good thermoformability and chemical resistance. The multilayer structures and the polymer composition have good surface properties including a glossy finish. Further these materials are compatible with new blowing agents, such as the hydrochlorofluorocarbons and hydrofluorocarbon blowing agents, which are more environmentally friendly. The layers of the multilayer structure do not require a glue layer.