Crosslinkable, fluorine-containing elastomer composition

Details Crosslinkable, fluorine-containing elastomer composition Crosslinkable, fluorine-containing elastomer composition

1992-05-19

1993-06-15

Lipman, Bernard

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 98, 524201, 524211, 524424, 524544, 524545, 5253263, 525343, 525348, 525349, 525351, C08K 543

Patent

active

052199045

ABSTRACT:
A cross-linkable, fluorine-containing elastomer composition comprising a fluorine-containing elastomer containing at least one of iodine and bromine in the molecule, an organic peroxide having a peroxy group --O--O--C(CH.sub.3).sub.2 R, where R is a lower alkyl group, in the molecule and an activation energy of not more than 34.0 Kcal/mole and another organic peroxide having the same peroxy group as defined above in the molecule and an activation energy of less than 34.0 Kcal/mole as cross-linking agents for the elastomer has less generation of CH.sub.3 I or CH.sub.3 Br at the decomposition of the organic peroxides without any substantial decrease in the compression set of the vulcanization products.

REFERENCES:
patent: 4708988 (1987-11-01), Tabb
patent: 4774302 (1988-09-01), Haruyoshi
patent: 4831089 (1989-05-01), Okabe
patent: 4981918 (1991-01-01), Okamoto

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