Polymer/isocyanates

Details Polymer/isocyanates Polymer/isocyanates

C - Chemistry, Metallurgy

08

L

400/111, 403/31,

C08L 75/04 (2006.01) C08F 283/00 (2006.01) C08G 18/70 (2006.01) C08G 18/76 (2006.01) C08J 9/00 (2006.01) C08L 33/20 (2006.01)

Patent

CA 1153490

Abstract of the Disclosure Novel improved polymer/polyisocyanate composition made by polymerizing acrylonitrile alone or with one or more ethylenically unsaturated monomer in situ in a polyisocyanate. The polyisocyanate comprises a diarylalkylene diisocyanate. a polymeric diarylalkylene polyisocyanate; a quasi-prepolymer of a diarylalkylene diisocyanate or a polymeric diarylalkylene diisocyanate with an active hydrogen organic compound having at least two active hydrogen atoms per molecule; a mixture of a diarylalkylene diisocyanate, its carbodiimide and its tri- functional trimeric cycloadduct; or a mixture of two or more such polyisocyanates, to form a highly stable dispersion of small polymer particles in said polyisocyanate. The novel compositions are highly useful in the production of polyurethane products.

373551

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