Perfluoroelastomer composition having excellent heat stability

Details Perfluoroelastomer composition having excellent heat stability Perfluoroelastomer composition having excellent heat stability

1998-06-26

2000-09-05

Lipman, Bernard

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525217, 525218, 5253263, 525351, 525374, 525375, 525380, 525382, 525387, C08F 832

Patent

active

061144525

ABSTRACT:
Perfluoroelastomer compositions are provided which have excellent high temperature properties. The perfluoroelastomer component of the compositions are copolymers having a plurality of carbonyl-containing functional groups and copolymerized monomer units comprising a perfluoroolefin, a perfluoro(vinyl) ether and a nitrile-containing cure site monomer. The curative component is other than an organotin compound and includes peroxides, ammonium salts, aromatic amino compounds, bisamidrazones, and bisamidoximes.

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