Stress-crack resistant ethylene-perhaloethylene terpolymers

Details Stress-crack resistant ethylene-perhaloethylene terpolymers Stress-crack resistant ethylene-perhaloethylene terpolymers

1976-01-19

1977-07-05

Wong, Jr., Harry

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260897C, 428463, 526 89, 526231, 526249, 526253, 526255, C08F21404, C08F21426, C08L 2308

Patent

active

040339394

ABSTRACT:
Stress-crack resistant terpolymers of from about 40 to 60 mol percent ethylene, about 60 to 40 mol percent of a halogenated comonomer selected from the group consisting of tetrafluoroetylene, chlorotrifluoroethylene and mixtures thereof and about 0.1 to 10 mol percent of a termonomer selected from the group consisting of 3,3,3-trifluoro-2-trifluoromethyl propene, a vinyl monomer which is free of telogenic activity and which provides a side chain having at least two carbon atoms, the side chain being aromatic or having its elements bonded by a single bond only, 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: 3624250 (1971-11-01), Carlson
patent: 3817951 (1974-06-01), Robinson
patent: 3847881 (1974-11-01), Mueller et al.

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