Fluoroelastomer composition containing accelerator

Details Fluoroelastomer composition containing accelerator Fluoroelastomer composition containing accelerator

1986-08-27

1987-06-16

Michl, Paul R.

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

Synthetic resins

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

5253262, 5253263, 5253264, 264337, C08F 840

Patent

active

046737154

ABSTRACT:
A fluoroelastomer composition comprising (a) a fluoroelastomer comprising vinylidene fluoride units and units of at least one other fluorine-containing monomer copolymerizable with vinylidene fluoride, said monomer containing 2-7 carbon atoms and containing at least as many fluorine atoms as carbon atoms, and (b) a phosphonate accelerator for curing the fluoroelastomer having the formula: ##STR1## where R, R.sub.1 and R.sub.2 independently represent an alkyl radical of from 1-8 carbon atoms, a phenyl radical, a phenyl radical substituted with an alkyl group of 1-4 carbon atoms or an aralkyl radical having from 7-13 carbon atoms such fluoroelastomer composition substantially reduces mold fouling during curing.

REFERENCES:
patent: 3652735 (1972-03-01), Hechenbleikner
patent: 3712877 (1973-01-01), deBronner
patent: 3876654 (1975-04-01), Pattison
patent: 3884877 (1975-05-01), Kolb
patent: 4489196 (1984-12-01), Schmiegel
patent: 4501858 (1985-02-01), Moggi
patent: 4568716 (1986-02-01), Dorencsenyi

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