Solvent-free organosiloxane composition and its use

Details Solvent-free organosiloxane composition and its use Solvent-free organosiloxane composition and its use

1993-10-05

1995-07-11

Marquis, Melvyn I.

Stock material or miscellaneous articles

Composite

Of silicon containing

528 8, 528 9, 528 15, 528 16, 528 18, 528 19, 528 25, 528 34, 427387, B32B 904

Patent

active

054320070

ABSTRACT:
A solvent-free ternary organosiloxane composition is disclosed, which contains (A) liquid organopolysiloxane, (B) a cross-linking agent, and (C) a curing catalyst and, optionally, (D) a filler, said organopolysiloxane (A) being constituted by organosilicon group of X--Si (wherein X represents a hydrogen atom or a monovalent hydrocarbyl group) and functional side chain of OR (wherein R represents a hydrogen atom, a C.sub.1 -C.sub.5 alkyl group or an acyl group), said cross-linking agent (B) being one or more organometallic compounds selected from the group consisting of an organoaluminum compound, an organoboron compound, an organosilicon compound, an organotitanium compound and an organozirconium compound having at least one functional group selected from the group consisting of an alkoxy group, an acyloxy group and an oxime group, and said curing catalyst (C) being a metal-containing organic compound, with the total contents of the metal elements of the ternary composition being 25% by weight to less than 40% by weight in terms of MO.sub.y/2 (wherein M represents aluminum, boron, silicon, titanium or zirconium, and y represents a valency of the metal element). A shaped polymer composition, an adhesive polymer composition, a composite structure, a composite sheet and a building material using the solvent-free organosiloxane composition are also disclosed.

REFERENCES:
patent: 5292799 (1994-03-01), Naito et al.

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