Fluorocopolymer and its applications

Details Fluorocopolymer and its applications Fluorocopolymer and its applications

2006-09-26

2006-09-26

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...

C526S247000, C526S253000, C526S254000, C526S255000, C526S250000, C430S270100, C430S286100, C522S156000

Reexamination Certificate

active

07112640

ABSTRACT:
A fluorocopolymer which comprises repeating units (a) based on tetrafluoroethylene and/or chlorotrifluoroethylene, repeating units (b) based on a cyclic hydrocarbon monomer having a dicarboxylic anhydride group and an endocyclic polymerizable unsaturated group, and repeating units (c) based on other monomer, wherein the repeating units (a) are from 50 to 99.89 mol %, the repeating units (b) are from 0.01 to 5 mol % and the repeating units (c) are from 0.1 to 49.99 mol %, based on the total molar amount of the repeating units (a), (b) and (c), and which has a volume flow rate of from 0.1 to 1,000 mm3/sec., and a laminate and coated product thereof. The fluorocopolymer is excellent in adhesion, heat resistance, weather resistance, stress cracking resistance and fuel barrier properties. The laminate is excellent in interlaminar bonding and fuel barrier properties. The coated product is excellent in heat resistance, chemical resistance, corrosion resistance, oil resistance, weather resistance, abrasion resistance and lubricating properties.

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