Heat curable silicone compositions

Details Heat curable silicone compositions Heat curable silicone compositions

1989-06-01

1991-07-16

Marquis, Melvyn I.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523209, 523213, 524866, 524588, 528 24, 528 32, C08K 900

Patent

active

050326260

ABSTRACT:
In a heat curable silicone rubber composition comprising a polydiorganosiloxane base polymer and a curing catalyst, the improvement comprising an effective amount of co-curing agent. Preferably, the co-curing agent has the general formula ##STR1## where R is H or a C.sub.1-5 alkyl radical, R.sup.1 is a C.sub.1-5 alkylene radical, each R.sup.2 is independently selected from H and CH.sub.3, R.sup.3 is H or CH.sub.3, n equals 0 or 1, and m is an integer from 3 to 6, inclusive.

REFERENCES:
patent: 3652475 (1972-03-01), Wada et al.
patent: 4355121 (1982-10-01), Evans
patent: 4525528 (1985-06-01), Bush et al.
patent: 4529774 (1985-07-01), Evans et al.

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