C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/105, 400/591
C08K 5/06 (2006.01) C08F 220/44 (2006.01) C08F 283/06 (2006.01) C08G 18/63 (2006.01) C08L 33/20 (2006.01) C08L 71/02 (2006.01) C08L 75/08 (2006.01)
Patent
CA 1077641
ABSTRACT OF THE DISCLOSURE This invention relates to novel liquid polymer/ polyol compositions consisting essentially of: (1) from 45 to 90 wt.% of a polyoxypropylene polyol having a molecular weight of at least 1500 and (2) from 55 to 10 wt.% of an acrylonitrile- styrene polymer consisting essentially of: (a) from 60 to 90 wt.% polymerized acrylonitrile and (b) from 40 to 10 wt.% polymerized styrene, said polymer being in the form of particles that are stably dispersed in the polyol, said composition being essentially free of polymer particles have diameters over 30 microns and said composition having been produced by polymeri- zing a monomer mixture of acrylonitrile and styrene in the polyol. The novel polymer/polyols are convertible to novel polyurethane foams having high load-bearing properties and to solid polyurethane elastomers having a high modulus.
233688
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