Process for producing elastic fluorocopolymer and...

Details Process for producing elastic fluorocopolymer and... Process for producing elastic fluorocopolymer and...

2007-01-03

2009-06-09

Zimmer, Marc S. (Department: 1796)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C526S250000, C526S319000, C524S460000, C524S461000, C524S544000, C524S545000, C524S546000, C524S805000, C524S819000

Reexamination Certificate

active

07544753

ABSTRACT:
A process for producing an elastic fluorocopolymer, by emulsion-polymerizing at least one fluoromonomer (a), a vinyl ester monomer (b) represented by the formula CR1R2═CR3COOCH═CH2optionally, at least one hydrocarbon monomer (c) selected from the group consisting of ethylene, propylene and a vinyl ether, in an aqueous medium to produce an elastic fluorocopolymer latex, adjusting the pH of the elastic fluorocopolymer latex to from 1 to 9, and coagulating the elastic fluorocopolymer latex to isolate an elastic fluorocopolymer.

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U.S. Appl. No. 11/670,660, filed Feb. 2, 2007, Funaki, et al.
U.S. Appl. No. 11/619,356, filed Jan. 3, 2007, Nomura, et al.
Masayoshi Tatemoto, Japanese Journal of Polymer Science and Technology, vol. 49, No. 10, 1992, pp. 765-783.

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