Curable composition comprising polyether having silyl group

Details Curable composition comprising polyether having silyl group Curable composition comprising polyether having silyl group

1983-11-08

1985-03-26

Anderson, Harold D.

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

Synthetic resins

From organic oxygen-containing reactant

525 50, 525446, 525474, 528 10, 528 12, 528 18, 528 21, 528 29, 528421, 528901, 528403, C08G 6500

Patent

active

045074690

ABSTRACT:
A curable composition comprising an organic polymer containing at least one hydrolyzable a group attached to the silicon per polymer molecule and having a molecular weight within the range of 300 to 15,000, wherein a curing catalyst comprising tin II salt of organic carboxylic acid and/or lead II salt of organic carboxylic acid is used in combination with an acid material and/or a basic material, thereby unexpectedly improving the set resistance thereof. The composition may be utilized as a sealant which cures upon exposure to moisture to form a rubber like substance having improved set resistance.

REFERENCES:
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patent: 3070559 (1962-12-01), Nitzsche et al.
patent: 3231527 (1966-01-01), Ceyzeriat
patent: 3408321 (1968-10-01), Ashby
patent: 3592795 (1971-07-01), Ashby
patent: 3632557 (1972-01-01), Brode et al.
patent: 3647846 (1972-03-01), Hartlein et al.
patent: 3676420 (1972-07-01), Fulton et al.
patent: 3839280 (1974-10-01), Zdaniewski
patent: 3971751 (1976-07-01), Isayama et al.
Hay, U.S.P. 3,306,875, cols. 1-2, 35-36.

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