Method of preventing discoloration of platinum containing silico

Details Method of preventing discoloration of platinum containing silico Method of preventing discoloration of platinum containing silico

1977-09-21

1978-10-24

Marquis, Melvyn I.

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

Synthetic resins

From silicon reactant having at least one...

260825, 528 31, 528 32, 528 33, C08G 7704

Patent

active

041222466

ABSTRACT:
Mixing vinyl-containing polyorganosiloxane, a silicon-bonded hydrogen containing organosilicon compound, a platinum catalyst, a polysiloxane having at least two silicon-bonded vinyl radicals and at least one silicon-bonded hydroxyl radical and an epoxy-containing, alkoxy silane provides a silicone gel which discolors less on aging than other platinum catalyzed silicone gels. An example of the polysiloxane is a hydroxyl endblocked polymethylvinylsiloxane and an example of the epoxy silane is ##STR1##

REFERENCES:
patent: 3950300 (1976-04-01), Hittmaier et al.
patent: 4033924 (1977-07-01), Mine et al.

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