Room temperature curable organopolysiloxane compositions and met

Details Room temperature curable organopolysiloxane compositions and met Room temperature curable organopolysiloxane compositions and met

1982-02-02

1983-06-07

Briggs, Sr., Wilbert J.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524506, 524588, 524788, 525477, 528 17, 528 18, 528 32, C08L 8306

Patent

active

043871771

ABSTRACT:
A low modulus silicone rubber which cures at room temperature can be obtained by exposing a composition made from a hydroxyl endblocked polydiorganosiloxane, an aminoxy silicon compound having two aminoxy groups per molecule, such as, methylvinyldi-(N,N-diethylaminoxy)silane, and a hydrolyzable organosilicon compound which has at least three hydrolyzable groups per molecule including oxime, alkoxy, amino, vinyloxy, amide, imide, and lactam such as methyltri(N-methylacetamido)silane or methyltrimethoxysilane. The compositions can be packaged in a single container and, if sealed, remain stable until exposed to moisture. The compositions can be made by a two-step method comprising mixing the aminoxy silicon compound and the hydroxyl endblocked polydiorganosiloxane and thereafter blending in the hydrolyzable organosilicon compound.

REFERENCES:
patent: 3341486 (1967-09-01), Murphy
patent: 3766127 (1973-10-01), Clark et al.
patent: 3766128 (1973-10-01), Brady et al.
patent: 3817909 (1974-06-01), Toporcer et al.
patent: 3996184 (1976-12-01), Klosowski

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