Process for preparing graft polymer dispersions and polyurethane

Details Process for preparing graft polymer dispersions and polyurethane Process for preparing graft polymer dispersions and polyurethane

1981-09-02

1982-11-16

Schofer, Joseph L.

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

Synthetic resins

Polymer of an ethylenically unsaturated reactant with a...

C08G 6702

Patent

active

043595715

ABSTRACT:
The present invention relates to a process for the preparation of stable graft polymer dispersions having improved dispersibility by a free radical polymerization of an ethylenically unsaturated monomer under conditions of no-reflux or alternatively under conditions that do not return the evaporated monomer to the dispersion. Polyurethane foams may be prepared from these polymer dispersions.

REFERENCES:
patent: 3627839 (1971-12-01), Vandenberg
patent: 3931092 (1976-01-01), Ramlow et al.
patent: 4028434 (1977-06-01), Kanter et al.
Lange's Handbook of Chemistry, pp. 7-64 and 7-349.

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