Elastomer blend

Details Elastomer blend Elastomer blend

1977-12-12

1978-11-07

Lieberman, Paul

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260 75R, 260860, C08L 6706

Patent

active

041246535

ABSTRACT:
An elastomeric blend of (A) a butadiene/acrylonitrile copolymer and (B) a copolyetherester consisting essentially of 15-95% by weight of short chain ester units derived from a dicarboxylic acid and having a molecular weight not greater than 300 and a diol having a molecular weight not greater than 250, and 5-85% by weight of long chain ester units derived from a dicarboxylic acid having a molecular weight not greater than 300 and a poly(alkylene oxide)glycol having a number average molecular weight of 400-6000, said copolyetherester having a melting point of at least 100.degree. C; the blend containing from 1-50% by weight of component (A).

REFERENCES:
patent: 2927093 (1960-03-01), Germon
patent: 3419511 (1968-12-01), Condo
patent: 3651014 (1972-03-01), Witsiepe
patent: 3763019 (1973-10-01), Witsiepe
patent: 3766146 (1973-10-01), Witsiepe

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