C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
402/534
C08L 27/16 (2006.01) C08K 5/50 (2006.01) C08K 5/53 (2006.01) C08K 5/5333 (2006.01)
Patent
CA 1246797
TITLE FLUOROELASTOMER COMPOSITION CONTAINING ACCELERATOR ABSTRACT OF THE DISCLOSURE 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: Image where R, R1 and R2 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.
514620
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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