Low-temperature liquid urethane prepolymer

Details Low-temperature liquid urethane prepolymer Low-temperature liquid urethane prepolymer

1993-12-10

1994-10-11

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From reactant having at least one -n=c=x group as well as...

528 77, 528 79, C08G 1810

Patent

active

053548370

ABSTRACT:
An isocyanate-terminated urethane prepolymer prepared by a urethane reaction between (A) a dihydroxypolyol and (B) an isocyanate compound, wherein the dihydroxypolyol is a mixture of (a) a polyether glycol or a polyether ester glycol containing an oxytetramethylene group and having a molecular weight of from 600 to 5,000 and (b) poly(tetramethylene ether/3-methyltetramethylene ether) glycol comprising a structural unit represented by formula (I):

REFERENCES:
patent: 4992524 (1991-02-01), Coady et al.

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