Room temperature-curable organopolysiloxane compositions

Details Room temperature-curable organopolysiloxane compositions Room temperature-curable organopolysiloxane compositions

1982-03-15

1983-03-08

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From silicon reactant having at least one...

524785, 524789, 524783, 524786, 524788, 524847, 524860, 525100, 525104, 525106, 525477, 528 15, 528 16, 528 17, 528 18, 528 19, 528901, 556419, C08G 7704

Patent

active

043761925

ABSTRACT:
The invention provides a novel room temperature-curable organopolysiloxane composition useful as an adhesive or a sealing material with remarkably extended workable time owing to the delayed surface filming. The base component in the composition is a conventional diorganopolysiloxane terminated with hydroxy groups at both molecular chain ends admixed with several known ingredients such as a cross linking agent, curing catalyst, filler and the like. The most characteristic ingredient in the composition effective to achieve the above mentioned desired property is a 1,1,1-trimethyl-3-hydrocarbyl-3,3-di(acylamino)disiloxane which belongs to a novel class of organopolysiloxane compounds and method is described for the preparation of these siloxane compounds.

REFERENCES:
patent: 2919173 (1959-12-01), Roff
patent: 3674738 (1972-07-01), Nitzsche et al.

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