Fluorinated vinyl ethers, copolymers thereof, and precursors the

Details Fluorinated vinyl ethers, copolymers thereof, and precursors the Fluorinated vinyl ethers, copolymers thereof, and precursors the

1983-12-27

1985-07-02

Wong, Jr., Harry

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C08F21418, C08F21426

Patent

active

045269483

ABSTRACT:
Vinyl ether monomers of the formula ##STR1## wherein n is 0 or 1 and R is CH.sub.3 or C.sub.2 H.sub.5, precursors thereto, and copolymers with, e.g., tetrafluoroethylene, are provided. The copolymers are useful as electrical insulation and as the sheath portion of optical fibers, and can be converted to known ion exchange polymers having carboxylic groups which are useful, e.g., in the form of permionic membrane for separating the compartments of a chloralkali cell. The vinyl ether monomers can also be converted to vinyl ether monomers which contain carboxylate functional groups, which in turn can be copolymerized to useful copolymers.

REFERENCES:
patent: 3450684 (1969-06-01), Darby
patent: 3674758 (1972-07-01), Carlson
patent: 4065366 (1977-12-01), Oda et al.
patent: 4078135 (1978-03-01), Sulzbach et al.
patent: 4329434 (1982-05-01), Kimoto et al.

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