Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1992-01-27
1993-05-25
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521 94, 521154, C08J 910
Patent
active
052140741
ABSTRACT:
A foamable silicone rubber composition comprising (A) a diorganopolysiloxane having a viscosity of at least 10.sup.6 cs at 25.degree. C., (B) an organohydrogenpolysiloxane, (C) a platinum catalyst, (D) azodicarbonamide foaming agent, and (E) an acetylenic alcohol reaction controlling agent is foamed and cured, preferably through UHF vulcanization, into silicone rubber sponge. The sponge having satisfactory strength and foam properties is obtained without a hygienic problem.
REFERENCES:
patent: 3425967 (1969-02-01), Modic
patent: 3923705 (1975-12-01), Smith
patent: 4024091 (1977-05-01), Lee et al.
patent: 4026843 (1977-05-01), Kittle
patent: 4490488 (1984-12-01), Cush
patent: 4608395 (1986-08-01), Hamada et al.
patent: 4704408 (1987-11-01), Krug et al.
patent: 4705810 (1987-11-01), Millet et al.
patent: 4980384 (1990-12-01), Takahashi et al.
World Patents Index Latest Section Ch, Week 8620, Jul. 9, 1986, Derwent Publications Ltd., London, GB; Class A, AN 86-127657 & JP-A-61 064 656.
Shinetsu Polymer Co. Ltd.) Apr. 1986 Abstract.
Hatakeyama Jun
Satoh Terukazu
Takahashi Masaharu
Foelak Morton
Shin-Etsu Chemical Co. , Ltd.
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