Plural liquid pack type, heat-curable polyisocyanate-polyol-poly

Details Plural liquid pack type, heat-curable polyisocyanate-polyol-poly Plural liquid pack type, heat-curable polyisocyanate-polyol-poly

1992-09-08

1993-06-29

Welsh, Maurice J.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 49, 528 52, 528 53, 528 54, 528 55, 528 57, 528 58, 528 60, 528 65, 528 66, 528 73, C08G 1804

Patent

active

052235980

ABSTRACT:
A plural liquid pack type resin composition useful for producing a shaped resin article having an enhanced heat resistance, mechanical strength and machinability, comprises a first resinous individual component (A) comprising a polyisocyanate compound and a second resinous individual component (B) comprising a mixture of a polyol compound with a polyepoxy compound and a curing agent, or an individual sub-component (i) comprising a mixture of a polyol compound and a polyepoxy compounds and another individual sub-component (ii) comprising a mixture of the polyol compound with a curing agent, in which composition the polyol compound is contained in an amount of 10 to 40 equivalents of the hydroxyl group, the polyepoxy compound is contained in an amount of 5 to 20 equivalents of the epoxy group, and the total equivalent amount of the hydroxyl group and the epoxy groups is 15 to 45 equivalents per 100 equivalents of the isocyanate groups of the polyisocyanate compounds.

REFERENCES:
patent: 4220731 (1980-09-01), Zuppinger
patent: 4613660 (1986-09-01), Goel et al.
patent: 4728676 (1988-03-01), Muller et al.
patent: 5075405 (1991-12-01), Atchekzai et al.
Chemical Abstracts, vol. 108, No. 2, abstract No. 71745, Jan. 1988 JP-A-6 281,471.

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