Low temperature, storage stable mixtures of polyester prepolymer

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

1983-06-27

1984-09-04

Phynes, Lucille M.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

521114, 521115, 521160, 528 48, 528 52, 528 67, C09K 300, H05B 3300

Patent

active

044696167

ABSTRACT:
There are provided low temperature, storage stable, liquid mixture of (1) isocyanato-containing prepolymers obtained from the reaction of linear and/or slightly branched polyols 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.

REFERENCES:
patent: 4287307 (1981-09-01), Hostettler
patent: 4415469 (1983-11-01), Tsai

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