Segmented thermoplastic copolyester elastomers stabilized...

Details Segmented thermoplastic copolyester elastomers stabilized... Segmented thermoplastic copolyester elastomers stabilized...

C - Chemistry, Metallurgy

08

L

400/3016, 400/57

C08L 67/02 (2006.01) C08K 5/31 (2006.01) C08K 5/51 (2006.01) C08L 39/06 (2006.01) C08L 67/06 (2006.01)

Patent

CA 1263778

STABILIZED THERMOPLASTIC ELASTOMER COMPOSITIONS Abstract Segmented thermoplastic copolyester elastomers containing recurring polymeric long chain ester units derived from phthalic acids and long chain glycols and short chain ester units derived from phthalic acids and 1,4-butanediol or 1,4-butenediol. The elastomers also contain polyvinylpyrrolidone and preferably also contain small amounts of guanidine stabilizer, phosphorus stabilizer and diphenylamine.

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