Polymer/polyols and process for production thereof

Details Polymer/polyols and process for production thereof Polymer/polyols and process for production thereof

1973-11-20

1980-06-17

Welsh, Maurice J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 314R, 525404, 525523, 526 88, 526209, C08L 3506

Patent

active

042083141

ABSTRACT:
This invention relates to a novel process for producing polymer/polyols characterized by the use of specific amounts of particular monomer combinations and by maintaining a low monomer concentration throughout the reaction mixture during the process. The monomer combinations are acrylonitrile or methacrylonitrile and styrene or alpha-methyl styrene. The process produces novel polymer/polyols characterized by their convertibility to low density, water-blown polyurethane foams having reduced scorch and by the relatively small size of the polymer particles.

REFERENCES:
patent: 3304273 (1967-02-01), Stamberger
patent: 3383351 (1968-05-01), Stamberger
patent: 3385246 (1968-10-01), Harris
patent: 3407246 (1968-10-01), Harris
patent: 3418354 (1968-12-01), Wheeler, Jr.
patent: 3523093 (1970-08-01), Stamberger
patent: 3652639 (1972-03-01), Pizzini et al.
patent: 3823201 (1974-07-01), Pizzini et al.
"Copolymerization", Edited by George E. Ham, Interscience Publ., N.Y. 1964, pp. 575, 576 and 582.

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