Curable silicone rubber composition and manufacturing method the

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524715, 524720, 524847, 528 15, 528 24, C08K 524, C08K 523, C08K 336, C08G 7706

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active

058666532

ABSTRACT:
A curable silicone rubber composition comprising (A) organopolysiloxane comprising at least 2 silicon atom-bonded alkenyl groups in each molecule described by formula R.sub.a SiO.sub.(4-a)/2, where R represents a substituted or unsubstituted monovalent hydrocarbon group and a is a number from 1.95 to 2.05; (B) fine powdery silica; (C) a reaction mixture of (a) a platinum compound and (b) a compound containing an alkynyl group and an alcoholic hydroxy group in each molecule; and (D) a curing agent. The present invention is also a manufacturing method of curable silicone rubber composition. The curable silicone rubber compositions have an excellent flame-retarding property and good tracking resistance and other electrical properties.

REFERENCES:
patent: 3419593 (1968-12-01), Willing
patent: 5516838 (1996-05-01), Fujiki et al.

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