Elastomer blends

Details Elastomer blends Elastomer blends

C - Chemistry, Metallurgy

08

L

400/3016

C08L 67/02 (2006.01) C08L 23/02 (2006.01) C08L 23/08 (2006.01) C08L 27/04 (2006.01) C08L 27/06 (2006.01) C08L 73/00 (2006.01)

Patent

CA 1275522

TITLE ELASTOMER BLENDS ABSTRACT Blends of 5 to 97.5% of a segmented thermoplastic copolyester such as polybutylene terephthlate containing polybutane glycol segments with 95 to 20% of a blend of an ethylene copolymer and 5 to 75% either polyvinyl chloride or polyvinylidene chloride. The polyethylene copolymer is an elastomeric blend of polyvinyl chloride or polyvinylidene chloride with a copolymer of ethylene and esters of ethylenically unsaturated acids, vinyl esters, vinyl alkyl ethers, vinyl chloride, vinylidene chloride, acrylonitrile, methacrylonitrile, norbornene, alpha-olefins of 3-12 carbon atoms and optionally ethylenically unsaturated carboxylic acids, carbon monoxide and sulfur dioxide. The blends are processable temperatures lower than either component they are prepared from.

530098

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