Curable organopolysiloxane compositions

Details Curable organopolysiloxane compositions Curable organopolysiloxane compositions

1978-09-27

1980-06-17

Marquis, Melvyn I.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 18S, 427411, 4274122, 428447, 528 12, 528 14, 528 15, 528 17, 528 18, 528 33, 528 34, 528 31, C08J 300

Patent

active

042083125

ABSTRACT:
Organopolysiloxane compositions are provided which are curable by condensation reaction taking place between a first component, hydroxy-terminated diorganopolysiloxane and a second component, organohydrogenpolysiloxane by aid of a third component, a condensation catalyst, and which are made to have their pot life extended by adding a fourth component, acyloxysilane, optionally in combination with a carboxylic acid, as a condensation retarder. The addition of the retarder does not adversely effect the curing velocity of the composition even at an elevated temperature and the properties of the cured composition.

REFERENCES:
patent: 3960786 (1976-06-01), Akiyama
patent: 4008346 (1977-02-01), Moeller
patent: 4026843 (1977-05-01), Kittle et al.
patent: 4026844 (1977-05-01), Kittle et al.

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