One part organopolysiloxane gel composition

Details One part organopolysiloxane gel composition One part organopolysiloxane gel composition

2005-08-24

2008-11-18

Gulakowski, Randy (Department: 1796)

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

Synthetic resins

From silicon reactant having at least one...

C528S031000, C528S023000, C524S588000

Reexamination Certificate

active

07452955

ABSTRACT:
In a one part organopolysiloxane gel composition comprising an alkenyl-containing branched organopolysiloxane, an SiH-termined organohydrogenpolysiloxane, and an addition reaction catalyst, the catalyst is obtained by heat aging a mixing of a platinum complex having an alkenyl-containing silane or organosiloxane as a ligand, a phosphite, and an organohydrogenpolysiloxane at 30-120° C. and an organic peroxide is concomitantly used. The composition inhibits addition reaction at room temperature, maintains storage stability over a long period, yet can cure rapidly at moderate temperature.

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