Organopolysiloxane composition for elastomer foam

Details Organopolysiloxane composition for elastomer foam Organopolysiloxane composition for elastomer foam

1996-09-27

1997-08-26

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 97, 521123, 521130, 521154, 521 33, C08J 908

Patent

active

056611927

ABSTRACT:
In an organopolysiloxane composition giving rise to elastomer foam, including at least one polyacyloxyorganopolysiloxane obtained by functionalization, with a polyacyloxysilane, of at least one reactive oil which is a polyhydroxylated polysiloxane intended to react in the presence of water to form the elastomer with formation of acid of formula R'COOH, in which R' denotes a hydrocarbon radical free from aliphatic unsaturation and which has from 1 to 15 carbon atoms, a blowing agent and optionally water, the blowing agent is at least one acidic or neutral carbonate of an alkali or alkaline-earth metal, which, by reacting with the acid R'COOH, gives carbon dioxide and preferably water.
Objects, especially seals, thus obtained and kit for static mixing.

REFERENCES:
patent: 4705810 (1987-11-01), Millet

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