Low temperature, storage stable mixtures of polyester...

Details Low temperature, storage stable mixtures of polyester... Low temperature, storage stable mixtures of polyester...

C - Chemistry, Metallurgy

08

G

402/135, 260/468

C08G 18/79 (2006.01) C08G 18/08 (2006.01) C08G 18/10 (2006.01) C08J 9/34 (2006.01) C08K 5/04 (2006.01) C08K 5/16 (2006.01) C08K 5/205 (2006.01) C08L 75/04 (2006.01)

Patent

CA 1236478

ABSTRACT LOW TEMPERATURE, STORAGE STABLE MIXTURES OF POLYESTER PREPOLYMERS AND FLOW MODIFIERS There are provided low temperature, storage stable, liquid mixtures of (1) isocyanato-containing prepolymers obtained from the reaction of linear and/or slightly branched polyols and a polyisocyanate characterized by a methylene group (CH2) bonded to two benzenoid nuclei, and (2) a non-hydroxyl-containing flow modifier which is compatible with the said prepolymer. Novel liquid mix- tures thus prepared exhibit little tendency to crystallize or phase separate when stored for prolonged periods of time, i.e., well below room temperature for several days.

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