Curable organopolysiloxane putty-like composition

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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524267, 524268, C08K 524

Patent

active

050667149

ABSTRACT:
A curable organopolysiloxane putty-like composition comprising an organopolysiloxane having at least two alkenyl groups in one molecule, an organohydrogenpolysiloxane having at least three .tbd.SiH groups, a catalytic amount of platinum or a platinum compound, and an inorganic filler. This composition further comprises an organopolysiloxane modified with an alkyl group directly bonded to silicon atoms and having from 7 to 30 carbon atoms whereby the modified organosiloxane serving as an oil properly exudes prior to curing but does not exude appreciably after the curing. The composition is suitable particularly for impressions.

REFERENCES:
patent: 4293477 (1981-10-01), Theodore

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