Polymer mixtures and covulcanizates produced therefrom

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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525239, 525240, C08L 902, C08L 2308, C08L 2334, C08L 2706

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active

047742950

ABSTRACT:
Covulcanizates with good mechanical properties obtained from mixtures of (a) from 50 to 5% by weight of chlorinated or chlorosulphonated polyethylene, acrylate rubber or ethylene vinyl alcohol copolymers and (b) from 50 to 95% by weight of partially or completely hydrogenated nitrile group-containing elastomers containing from 25 to 140 nitrile nitrogen atoms and less than 35 double bonds for each 1,000 carbon atoms, by cross linking.

REFERENCES:
patent: 2968637 (1961-01-01), Bowers, III
patent: 3700637 (1972-10-01), Finch, Jr.
patent: 4341884 (1982-07-01), Schepers

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