Stress-crack resistant ethylene-perhaloethylene copolymers

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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260878R, 260897C, 428461, 526206, 526231, 526249, 526255, C08F21002

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active

040202534

ABSTRACT:
Stress-crack resistant copolymers of from about 40 to 60 mol percent ethylene and 60 to 40 percent of a halogenated comonomer selected from the group consisting of tetrafluoroethylene and chlorotrifluoroethylene and mixtures thereof and containing high and low molecular weight components such that: ##EQU1## WHEREIN X.sub.i represents the weight fraction of each high molecular weight component i;

REFERENCES:
patent: 3371076 (1968-02-01), Ragazzini et al.
patent: 3906060 (1975-09-01), Mattiussi et al.

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