Polyurethane foam prepared from polymer modified polyols

Details Polyurethane foam prepared from polymer modified polyols Polyurethane foam prepared from polymer modified polyols

C - Chemistry, Metallurgy

08

F

400/104, 403/18

C08F 283/00 (2006.01) C08G 18/62 (2006.01) C08G 18/63 (2006.01)

Patent

CA 1047700

POLYMER MODIFIED POLYOLS Abstract of the Disclosure New polymer modified polyols that can be used in the formation of polyurethane foams are formed by copolymerizing a bis(hydrocarbyl) vinylphosphonate, such as bis(beta-chloroethyl) vinylphosphonate and at least one ethylenically unsaturated monomer which co-polymerizes well with the vinylphosphonate in the presence of a polyol. Examples of such ethylenically un- saturated monomers include vinyl chloride, the preferred monomer, vinyl acetate, vinyl chloride-vinyl acetate mixtures, and vinyl chloride-dialkyl fumarate mixtures. The polyols of this invention can be used to form urethane foams having re- duced flammability.

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