C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/104, 402/131
C08L 101/06 (2006.01) C08F 291/08 (2006.01) C08G 18/28 (2006.01) C08G 18/63 (2006.01)
Patent
CA 1145097
ABSTRACT OF THE DISCLOSURE Novel improved polymer/polyol composition made by polymerizing one or more ethylenically unsaturated monimesin situ in a blend of a polyol having a number average molecular weight of at least about 76 and a preformed polymer/polyol pre- pared by the in situ polymerization of one or more polymerizable ethylenically unsaturated monomers in a polyol, said preformed polymer/polyol having a viscosity of not more than 40,000 cps at 25°C., to form a highly stable dispersion of small polymer particles in said polyols, wherein said preformed polymer/polyol and said improved polymer/polyol composition are more stable than the polymer/polyol having the same chemical composition as said improved polymer/polyol composition but made in the absence of said preformed polymer/polyol. The novel compositions are highly useful n the production of polyurethane products. SPECIFICATION
323518
Hopley William G.
Union Carbide Corporation
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