Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1978-09-12
1979-10-30
Cockeram, H. S.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
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.
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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.
Shook Edgar G.
Simroth Donald W.
Steinle, Jr. Edmund C.
Van Cleve Russell
Cockeram H. S.
Trautlein Eugene C.
Union Carbide Corporation
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