Method of foaming a siloxane composition using microwave energy

Details Method of foaming a siloxane composition using microwave energy Method of foaming a siloxane composition using microwave energy

1975-07-14

1977-05-31

Foelak, Morton

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

20415913, 260375B, 260 25D, 260 465H, 260 465UA, 260 465G, 260825, C08J 902

Patent

active

040268446

ABSTRACT:
A polydiorganosiloxane gum base stock can be foamed and cured by exposing to a microwave source a composition which comprises 100 parts by weight of the stock, 3 to 25 parts by weight of an organohydrogensiloxane, 0.05 to 0.5 part by weight of an acetylenic alcohol inhibitor, 1 to 200 p.p.m. platinum as a platinum catalyst and from 0.25 to 30 parts by weight of a microwave sensible material. This method is particularly useful where it would be impractical or undesirable to use heat to foam and cure silicone compositions.

REFERENCES:
patent: 3425967 (1969-02-01), Modic
patent: 3677981 (1972-07-01), Wada et al.
patent: 3923705 (1975-12-01), Smith

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