Cold shrink fluoroelastomeric article

Details Cold shrink fluoroelastomeric article Cold shrink fluoroelastomeric article

2005-01-04

2005-01-04

Wu, David W. (Department: 1713)

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C524S365000, C524S413000, C524S423000, C525S244000

Reexamination Certificate

active

06838512

ABSTRACT:
A cold shrink article including a fluoroelastomer composition comprising a first fluoroterpolymer having a weight average molecular weight centered from about 107to about 108. A second fluoroterpolymer included in the fluoroelastomer composition has a weight average molecular weight centered at 104. The first fluoroterpolymer combines with the second fluoroterpolymer to provide a mixed terpolymer. Other components of the fluoroelastomer composition include a processing aid, a filler, an oil, and a curative. The fluoroelastomer composition upon curing at an elevated temperature provides the cold shrink article that has a permanent set value of 21% or less.

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