C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/105, 252/42,
C08L 25/12 (2006.01) C08F 283/06 (2006.01) C08G 18/00 (2006.01) C08G 18/63 (2006.01) C08L 33/20 (2006.01) C08L 51/08 (2006.01) C08L 71/02 (2006.01)
Patent
CA 1079433
ABSTRACT OF THE DISCLOSURE 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. The novel polymer/polyols are useful in producing polyurethane foams of reduced scorch and improved load bearing properties and polyurethane elastomers having improved stiffness properties. Related Applications Priest, Canadian Application Serial No. 148,506, filed August 2, 1972; now Canadian Patent No, 1,022,300. Simroth, Canadian Patent Application Serial No, 233,688, filed August 18, 1975.
255857
Cleve Russell Van
Shook Edgar G.
Simroth Donald W.
Steinle Edmund C. (jr.)
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