RTV organopolysiloxane compositions for use as cork chip binders

Details RTV organopolysiloxane compositions for use as cork chip binders RTV organopolysiloxane compositions for use as cork chip binders

1991-07-12

1993-10-12

Marquis, Melvyn I.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

428402, 528 17, C08G 7738

Patent

active

052526852

ABSTRACT:
A binder for cork chips is provided by an RTV organopolysiloxane composition comprising (1) a diorganopolysiloxane blocked with an alkoxysilyl group at either end of its backbone, (2) a crosslinking agent in the form of an alkoxysilane or a partial hydrolysate thereof, (3) an organic titanate, (4) a network polysiloxane comprising triorganosiloxy and SiO.sub.2 units and having a terminal SiOH group blocked with an alkoxysilyl group, and (5) an epoxy-modified alkoxysilane or a partial hydrolysate thereof. Cork plugs are obtained by mixing the composition with cork chips followed by molding and curing.

REFERENCES:
patent: 3862919 (1975-01-01), Nitzshe et al.
patent: 5091484 (1992-02-01), Colas et al.

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