Polymer-modified polyols useful in polyurethane manufacture

Details Polymer-modified polyols useful in polyurethane manufacture Polymer-modified polyols useful in polyurethane manufacture

1981-04-29

1983-02-15

Welsh, Maurice J.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

252182, 521164, 521167, 525409, 524762, 528 48, 528 76, C08G 1814

Patent

active

043742092

ABSTRACT:
A polymer-modified polyol is formed by polymerizing an olamine, particularly an alkanolamine, with an organic polyisocyanate in the presence of a polyol. The alkanolamine reacts polyfunctionally with the polyisocyanate to produce polyaddition products.
The polyaddition products may constitute a stable dispersion in the polyol and the resulting polymer-modified polyol is particularly useful as a polyol starting material for reaction with a polyisocyanate in the manufacture of polyurethane foam.

REFERENCES:
patent: 2929800 (1960-03-01), Hill
patent: 3135707 (1964-06-01), Nyquist et al.
patent: 3356650 (1967-12-01), McElroy
patent: 3360495 (1967-12-01), Muller et al.

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