C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/104, 400/301
C08L 51/08 (2006.01) C08G 18/63 (2006.01) C08G 18/14 (1985.01)
Patent
CA 1225485
PROCESS FOR THE PREPARATION OF WHITE GRAFT POLYMER DISPERSIONS AND FLAME RETARDANT POLYURETHANE FOAMS Abstract of the Disclosure White graft polymer dispersions in polyoxyalkylene polyether polyols are employed together with flame retardant compounds to prepare flame retardant polyurethane foams. The polymer dispersions employ less than 0.1 mole of induced unsaturation per mole of polyol mixture. Improved processes for the reparation of these polymer dispersions employ either isomerized maleate containing polyetherester polyols or polyetherester polyols prepared by reacting a polyoxy- alkylene polyether polyol, a polycarboxylic acid anhydride and an alkylene oxide in the presence of salts and oxides of divalent metals.
448076
Grace Oscar M.
Hartman Robert J.
Heyman Duane A.
Ramlow Gerhard G.
Reichel Curtis J.
Basf Corporation
Robic Robic & Associes/associates
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