Stable emulsions of polyols and crosslinkers for polyurethanes

Details Stable emulsions of polyols and crosslinkers for polyurethanes Stable emulsions of polyols and crosslinkers for polyurethanes

1980-05-12

1981-06-16

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521116, 521174, 521914, 528 48, 528 76, 528405, 528421, C08G 1814

Patent

active

042738849

ABSTRACT:
A stable emulsion of a high molecular weight polyol and either ethylene glycol or 1,4-butane diol is made by adding to the mixture an ethylene oxide/propylene oxide copolymer diol having an average molecular weight of above about 12,000 and an ethylene oxide content of from about 70% to 90%. The stable emulsion is useful as a reactant in RIM polyurethane plastics.

REFERENCES:
patent: 3328320 (1967-06-01), Lord
patent: 3489698 (1970-01-01), Morehouse
patent: 3546145 (1970-12-01), Granger et al.
patent: 3857800 (1974-12-01), Fishbein et al.
patent: 3945939 (1976-03-01), Barron

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