Fluorinated terpolymer

Details Fluorinated terpolymer Fluorinated terpolymer

2006-03-07

2006-03-07

Wu, David W. (Department: 1713)

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

C525S200000, C525S199000

Reexamination Certificate

active

07009017

ABSTRACT:
A fluorine-containing terpolymer with distinguished transparency and strength at ordinary temperature and at elevated temperatures when heated, which comprises 20–98% by weight of tetrafluoroethylene, 1–40% by weight of perfluoro(ethyl vinyl ether) and 1–40% by weight of perfluoro(propyl vinyl ether) and has a specific melt viscosity of 0.1×103–110×103Pa·s (372° C.). The fluorine-containing terpolymer preferably has a comonomer ratio of perfluoro(propyl vinyl ether) to perfluoro(ethyl vinyl ether) of 1.0 or more by weight.

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JP-2002-295,450 Oct. 2002 JP Kurihara et al.
EP-759,446 A1 Feb. 1997 EP Blair.

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