Process for the production of vinyl polymer-polyol-alkali metal

Details Process for the production of vinyl polymer-polyol-alkali metal Process for the production of vinyl polymer-polyol-alkali metal

1981-07-28

1982-05-25

Foelak, Morton

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...

521122, 521154, 528272, 528392, C09K 300, C08J 306, C08J 308

Patent

active

043315780

ABSTRACT:
A stable vinyl polymer-polyol-alkali metal silicate emulsion is produced by mixing an aqueous solution of an alkali metal silicate or alkali metal metasilicate pentahydrate, a liquid polyol, a vinyl monomer, peroxide initiator, and a small amount of an acid while heating the mixture up to a temperature below the boiling temperature of the vinyl monomer and agitating until the mixture emulsifies. This emulsion may be reacted with polyisocyanate to produce a vinyl polymer-polyurethane silicate foam which may be used for thermal insulation.

REFERENCES:
patent: 2664405 (1953-12-01), Anderson et al.
patent: 3960774 (1976-06-01), Blount
patent: 3962067 (1976-06-01), Blount
patent: 3962111 (1976-06-01), Blount
patent: 4042536 (1977-08-01), Dieterich et al.
patent: 4282129 (1981-08-01), Blount

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