Compositions for preparing room temperature vulcanizing type sil

Details Compositions for preparing room temperature vulcanizing type sil Compositions for preparing room temperature vulcanizing type sil

1974-02-04

1976-03-09

Jacobs, Lewis T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 2S, C08L 8304

Patent

active

039430910

ABSTRACT:
In a two part type composition for preparing room temperature vulcanizing type silicone, one part or a main agent comprises a putty like mixture of a siloxanediol expressed by a general formula ##EQU1## WHEREIN R respectively represents a methyl radical, a phenyl radical or a vinyl radical, and n is an intger of from 500 to 50,000 or ##EQU2## WHEREIN R' respectively represents a hydrogen radical or a methyl radical and n is an integer of from 2 to 1,000, and a fine powder of a filler, and the other part or an assistant agent comprises a putty like mixture of a polyol, Ca (OH).sub.2 and a fine powder of a filler. The main and assistant agents are combined in intimate contact with each other in the form of a cencentric assembly or a laminated assembly. Any suitable quantity of the assembly is severed and kneaded by hands to form a silicone rubber.

REFERENCES:
patent: 2048799 (1936-07-01), Lawson
patent: 2852484 (1958-09-01), New
patent: 2890188 (1959-06-01), Konkle et al.
patent: 3791998 (1974-02-01), Bruns

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