Use of monohydric alcohols in molded polyurethane resins

Details Use of monohydric alcohols in molded polyurethane resins Use of monohydric alcohols in molded polyurethane resins

1988-06-24

1989-09-05

Welsh, Maurice J.

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...

25218225, 25218227, 4284256, 524875, 528 49, C08B 1828

Patent

active

048639940

ABSTRACT:
Disclosed are novel active hydrogen compositions comprising: (1) a polymeric polyol; (2) a low equivalent weight cross-linking polyol; (3) optionally a second polyol having an equivalent weight up to about 500; and (4) a sufficient amount of a monohydric alcohol of equivalent weight up to about 1,500 to provide a monophase low viscosity blend.
Also disclosed are the molded polyurethanes produced from the above compositions, and, particularly high strength mat molded reaction injection molded parts.

REFERENCES:
patent: 3189578 (1965-06-01), Kuemmerer
patent: 3875086 (1975-04-01), Ramey et al.
patent: 4371476 (1983-02-01), Newkirk et al.
patent: 4581386 (1986-04-01), Taylor et al.
patent: 4615822 (1986-10-01), Magnus
patent: 4727868 (1988-03-01), Szycher et al.

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