Room temperature vulcanizable silicone compositions

Details Room temperature vulcanizable silicone compositions Room temperature vulcanizable silicone compositions

1990-12-17

1993-05-25

Marquis, Melvyn I.

Stock material or miscellaneous articles

Composite

Of silicon containing

528 18, 524730, 524859, 524860, 524863, 523212, 428412, B32B 904

Patent

active

052138992

ABSTRACT:
Room temperature vulcanizable, scavenger-reduced, organopolysiloxane compositions having improved application rate amd thixotropy properties are provided, comprising a mixture comprising (A) the reaction product of a polyalkoxy-terminated organopolysiloxane, silica filler, and a cyano-functional polyalkoxy silane; (B) a tin condensation catalyst; and (C) a scavenger for hydroxy groups. In preferred embodiments, the RTV composition further comprises a crosslinking polyalkoxy silane and an adhesion promoting polyalkoxysilane.

REFERENCES:
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patent: 4417042 (1983-11-01), Dziark
patent: 4467063 (1984-08-01), Lockhart
patent: 4472551 (1984-09-01), White et al.
patent: 4477625 (1984-10-01), Lockhart
patent: 4483973 (1984-11-01), Lucas et al.
patent: 4499229 (1985-02-01), Lockhart
patent: 4499230 (1985-02-01), Lockhart
patent: 4515932 (1985-05-01), Chung
patent: 4517337 (1985-05-01), Lockhart et al.
patent: 4528353 (1985-07-01), Lucas et al.
patent: 4895918 (1990-01-01), Lucas

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