Organosiloxane elastomeric foams

Details Organosiloxane elastomeric foams Organosiloxane elastomeric foams

1993-07-26

1994-10-25

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 87, 521116, 521154, 521134, C08J 902

Patent

active

053589750

ABSTRACT:
Method for the production of organosiloxane elastomeric foam comprising mixing together (A) a polydiorganosiloxane having at least two silicon-bonded alkenyl groups, (B) an organohydrogensiloxane, (C) a platinum catalyst, (D) an .alpha., w-diol of formula HOROH wherein R represents an alkylene group having 3 to 7 carbon atoms and (E) a resin copolymer of R'.sub.3 SiO.sub.0.5 units and SiO.sub.2 units, R' being selected from methyl and vinyl, and thereafter allowing the mixture to foam and cure.

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