Abstract: Hydrocarbon tackifying compositions having improved resistance to oxidative degradation are provided by incorporating into the hydrocarbon tackifying composition a stabilizing amount of the combination of 2,2'-methylenebis-(4-methyl-6-tertiarybutylphenol) and dialkylthio ester antioxidants.

Abstract: The invention relates to polychromophoric compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of the polychromophoric composition to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, or coated on the exterior of the molded article, film or extruded fiber.

Abstract: The invention relates to aryl ester-based compounds which have been found to be extremely effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing an amount of an aryl ester-based composition to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may be incorporated into the organic compositions such as polymers in the polymer melt or dissolved in the polymer dope, or coated on the exterior of the shaped or molded article, film or extruded fiber.

Abstract: The invention relates to heterocyclic phenyl ester compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing an amount of a heterocyclic phenyl ester composition to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may be incorporated into the organic compositions such as polymers by adding to the polymer melt or dissolved in the polymer dope, coated on the exterior of the shaped or molded article, film or extruded fiber.

Abstract: The hot-melt adhesives of the present invention comprise amorphous polyolefins grafted with carboxyl monomers and modified with tetra alkyl ammonium hydroxide compounds and pivalolactone. These hot-melt adhesive compositions have a novel combination of properties such as elevated temperature shear properties.

Abstract: The invention relates to bichromophoric benzotriazole-styrene compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of the bichromophoric composition to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ulraviolet stablizers may also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, coated on the exterior of the molded article, film or extruded fiber.

Abstract: The invention relates to bichromophoric benzoxazole-styrene compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of the bichromophoric composition to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, coated on the exterior of the molded article, film or extruded fiber.

Abstract: In a two step process for preparing polymeric material wherein said polymeric material is formed by polymerizing alpha-monoolefins in the presence of a halogen-containing polymerization catalyst that leaves corrosive halogen-containing catalyst residues in said polymeric material, the improvement which comprises contacting said polymeric material containing corrosive catalyst residues with steam, air and nitrogen at a temperature where the polymeric material is in a fluid or liquid state and thereafter treating said steam-air-nitrogen treated molten polymer with alumina. The polymeric material treated with the two step catalyst deactivation process had good color, low chlorides and low volatiles.

Abstract: The hot melt adhesives of the present invention comprise a blend of at least one polyethylene resin, an ethylene/lower alkyl acrylate copolymer, a tackifying resin, and a high density, low viscosity, polyethylene wax having a molecular weight of about 1000. This hot melt adhesive has a novel combination of properties including excellent elevated temperature properties, and provides excellent adhesion to nonporous substrates such as aluminum foil.

Abstract: This invention relates to blends of polyesters and substantially amorphous polyolefins such as amorphous polypropylene. Even small amounts of substantially amorphous polypropylene (5-10 weight percent) substantially lowers the melt viscosity of polyesters at application temperatures and reduces the temperature required for application of the adhesive blend without deleteriously affecting the bond strengths normally achieved on many substrates including fabrics, plastics, and metals. Blends of polyesters and 5-10% substantially amorphous polyolefins are also non-tacky and can be pelletized and used as pellets without difficulty.

Abstract: The invention relates to a process for the treatment of substantially amorphous polyolefins to provide permanently tacky, low viscosity materials which have useful pressure-sensitive adhesive properties. These permanently tacky amorphous polyolefin homo- and copolymers, as well as blends of such amorphous polyolefins with crystalline polyolefins containing up to 20 weight percent crystalline polyolefin, are novel pressure-sensitive adhesives.

Abstract: The invention relates to heterocyclic ester compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing an amount of a heterocyclic ester composition to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultravoilet stabilizers may be incorporated into the organic compositions such as polymers by adding to the polymer melt or dissolved in the polymer dope, coated on the exterior of the shaped or molded article, film or extruded fiber.

Abstract: The invention relates to heterocyclic phenyl ester compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing an amount of a heterocyclic phenyl ester composition to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may be incorporated into the organic compositions such as polymers by adding to the polymer melt or dissolved in the polymer dope, coated on the exterior of the shaped or molded article, film or extruded fiber.

Abstract: The hot-melt adhesives of the present invention comprise a blend of polyethylene, tackifier resin, and ethylene-alkyl acrylate or alkenyl carboxylate copolymers. These adhesive compositions have low melt viscosities, good flexibility at 20.degree. F., and provide good page pull and page flex values on books bound with these adhesives. Therefore, these adhesive compositions are useful as hot-melt adhesives for use in bookbinding applications.

Abstract: The invention relates to oxazole ester compounds which have been found to be extremely effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing an amount of an oxazole ester composition to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may also be incorporated into the organic compositions such as polymers by adding to the polymer melt or dissolved in the polymer dope, coated on the exterior of the shaped or molded article, film or extruded fiber.

Abstract: This invention is directed to a new thermal stabilizer system for cellulose esters and their commercially useful formulated compositions which can be molded, shaped and otherwise processed in a thermoplastic condition at elevated temperatures to provide products having (1) better molecular weight retention and (2) less discoloration after thermal processing when compared to similar cellulose ester compositions containing prior art stabilizers.

Abstract: Compositions suitable for use as hot-melt textile warp sizes are prepared by blending copolymers of ethylene and acrylic acid, methacryclic acid and the like, with selected low-molecular-weight additives, such as low-molecular-weight ethylene/acrylic acid copolymers, ethylene/methacrylic acid copolymers, and/or dicarboxylic acids, monoglycerides and waxes. These blends have low melt viscosities, can be readily applied to textile yarns with conventional hot-melt application equipment and set up rapidly to nontacky protective coatings on the yarns. After processing of the yarns, the new hot-melt sizes are readily removable using conventional scouring procedures.

Abstract: The invention relates to piperidinyl hydrogen alkylene or arylene phosphates which have been found to be effective ultraviolet stabilizers. The invention also relates to piperidinyl hydrogen alkylene or arylene phosphate salts which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable or organic compositions containing a stabilizing amount of the piperidinyl hydrogen alkylene or arylene phosphates or salts thereof to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, or coated on the exterior of the molded article, film or extruded fiber.

Abstract: The invention relates to bichromophoric benzoxazole-styrene ester and amide compounds which have been found to be effective ultraviolet stabilizers. The invention also relates to ultraviolet degradable organic compositions containing a stabilizing amount of the bichromophoric composition to prevent such degradation. These stabilizers are effective in the presence of other additives commonly employed in polymeric compositions including, for example, pigments, colorants, fillers, reinforcing agents and the like. These ultraviolet stabilizers may also be incorporated into the organic compositions in the polymer melt or dissolved in the polymer dope, coated on the exterior of the molded article, film or extruded fiber.

Abstract: The hot melt adhesives of the present invention comprise a blend of at least one polyethylene, a tackifying resin, and a high density, low viscosity polyethylene wax having a molecular weight of about 1000. This hot melt adhesive has a novel combination of properties including excellent elevated temperature properties.