Low temperature, compatible mixtures of polyether prepolymers an

Details Low temperature, compatible mixtures of polyether prepolymers an Low temperature, compatible mixtures of polyether prepolymers an

1987-05-05

1989-01-10

Clingman, A. Lionel

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

C09K 300, H05B 3300

Patent

active

047972262

ABSTRACT:
There are provided low temperature, storage stable, liquid mixtures of (1) isocyanato-containing prepolymers obtained from the reaction of linear and/or slightly branched polyetherpolyols and a polyisocyanate characterized by a methylene group --CH.sub.2 -- bonded to two benzenoid nuclei, and (2) a non-hydroxyl-containing flow modifier which is compatible with the said prepolymer. Novel liquid mixtures 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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