Elastomeric copolyether-ester/polyoxymethylene

Details Elastomeric copolyether-ester/polyoxymethylene Elastomeric copolyether-ester/polyoxymethylene

1979-01-08

1981-01-06

Hoke, V. P.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 459NC, 260 459QB, 525417, C08K 534, C08L 6706, C08K 520, C08K 518

Patent

active

042435803

ABSTRACT:
An elastomeric copolyether-ester of improved combination of modulus and low temperature impact strength and flexibility is provided by the addition of about 5-45 percent by weight of an oxymethylene polymer. The copolyether-ester, having an inherent viscosity of at least 1, consists essentially of long-chain ester units derived from long-chain glycols and dicarboxylic acids and short-chain ester units derived from low molecular weight diols and dicarboxylic acids.

REFERENCES:
patent: 3595937 (1971-07-01), Weissermel et al.
patent: 3651014 (1972-03-01), Witsiepe
patent: 3907926 (1975-09-01), Brown
patent: 3924103 (1975-12-01), Furuishi et al.
patent: 4117033 (1978-09-01), Gale
patent: 4169867 (1979-10-01), Burg et al.

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