Spongeable silicone gum stock

Details Spongeable silicone gum stock Spongeable silicone gum stock

1975-07-14

1977-05-17

Foelak, Morton

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25D, 260 25FP, 260 37SB, 260 465H, 260 465UA, 260 465G, 260825, C08J 902

Patent

active

040240916

ABSTRACT:
Polydiorganosiloxane gum base stocks which contain per 100 parts by weight of the stock, 15 to 60 parts by weight of an organosiloxane having an average of at least 2 silicon-bonded hydroxyl radicals per molecule, 3 to 25 parts by weight of an organosiloxane having an average of at least 2.5 silicon-bonded hydrogen atoms per molecule, 0.05 to 0.5 parts by weight acetylenic alcohol inhibitor and 1 to 200 p.p.m. platinum as a platinum catalyst, can be sponged by heating the composition above 125.degree. C. The sponged products are elastomeric, have flame retardant properties and can be used where applications see relatively high temperatures.

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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