Fluorine-containing elastomeric copolymers, and their production

Details Fluorine-containing elastomeric copolymers, and their production Fluorine-containing elastomeric copolymers, and their production

1982-09-29

1984-12-11

Wong, Jr., Harry

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5253263, C08F11418, C08F11422, C08F11424, C08F11426

Patent

active

044879032

ABSTRACT:
A fluorine-containing elastomeric copolymer which comprises units of at least one fluorovinyl ether of the formula: ##STR1## wherein X is C.sub.1 -C.sub.3 perfluoroalkyl, C.sub.1 -C.sub.3 .omega.-hydroperfluoroalkyl or C.sub.1 -C.sub.3 .omega.-chloroperfluoroalkyl, Y is hydrogen, chlorine, fluorine, trifluoromethyl, difluoromethyl or chlorodifluoromethyl and n is an integer of 1 to 4 and units of at least one other fluorine-containing monomer copolymerizable therewith, the content of the fluorovinyl ether units being 15 to 50 mol %, which has excellent resistance to low temperatures.

REFERENCES:
patent: 4368308 (1983-01-01), Yamabe et al.

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