Polymer/polyols and process for production thereof

Chemistry of carbon compounds – Miscellaneous organic carbon compounds

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Details

528 75, 521137, C08K 506, C08G 1814, C08G 1863

Patent

active

041728254

ABSTRACT:
This invention relates to a novel process for producing polymer/polyols characterized by the use of specific combinations of acrylonitrile and styrene and by utilizing certain peroxyester catalysts. Methacrylonitrile and/or alpha-methyl styrene may optionally be used as substitutes for the acrylonitrile and styrene, respectively. The process produces novel polymer/polyols characterized by relatively high polymer contents and increased stability. These polymer/polyols are stable, fluid, essentially free from scrap and seeds as produced and contain relatively small polymer particles such that, in the preferred embodiment, essentially all are less than about 30 microns in diameter.

REFERENCES:
patent: 3418354 (1968-12-01), Wheeler
patent: 3652639 (1972-03-01), Pizzini et al.
patent: 3823201 (1974-07-01), Pizzini et al.
patent: 3953393 (1976-04-01), Ramlow et al.
Du Pont Product Information-VAZO 64, E. I. Du Pont de Nemours & Co. (Inc.), Wilmington, Del., (1969).
Lee and Sears-Thermodynamics, Addison-Wesley, (Reading, Mass.), 1955, pp. 35-49.

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