American Cyanamid Company

Robert Saxon

Eugene Y Chang

Tsi Tieh Li

Samuel Kaizerman

Jack Horstmann Thelin

Copolymers of ethylene and vinyl acetate having grafted thereon a mixture of a major proportion of one or more acrylic acid esters and a minor proportion of an ethylenically unsaturated comonomer containing a cure-site for sulfur vulcanization, and the vulcanized elastomers obtained therefrom, are disclosed.

Sulfur vulcanizable ethylene-vinyl acetate copolymer elastomers

Use of polytetrafluoroethylene (PTFE) to improve the abrasion resistance of elastomers and more particularly, elastomer compositions, containing fibrous PTFE, which exhibit improved resistance to abrasion, and to a method for improving the abrasion resistance of elastomers by the incorporation therein of fibrous PTEF.

Elastomer compositions with improved abrasion resistance

Vulcanizable elastomeric compositions derived from thiodiethanol and more particularly, vulcanizable elastomeric compositions comprising the reaction product of a major proportion of thiodiethanol and a minor proportion of a low molecular weight, hydroxyl terminated aromatic or cycloaliphatic polyester.

Vulcanizable elastomer from thiodiethanol and an oligomeric polyester

Vulcanizable elastomeric compositions are disclosed which are the reaction products of 80 to 90 mole percent of a mixture of thiodiethanol and one or more aliphatic or cycloaliphatic diols and 20 to 10 mole percent of an aromatic or cycloaliphatic dicarboxylic acid wherein the diol content is at least 50 mole percent thiodiethanol and about 1 to 10 mole percent of a diol providing pendant allylic unsaturation.

Vulcanizable elastomers derived from thiodiethanol

A vulcanizable elastomer composition is provided which comprises a copolymer represented by the formula:

Polymeric reaction products of thiodiethanol and diphenols

Copolymers of ethylene and vinyl acetate which contain additionally activated halogen atoms as sites for sulfur vulcanization, and the sulfur vulcanized elastomer obtained therefrom.

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Princeton, NJ, United States of America

Robert Saxon