Polyether based urethanes with superior dynamic properties

Details Polyether based urethanes with superior dynamic properties Polyether based urethanes with superior dynamic properties

1978-10-11

1980-01-08

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 61, 528 68, C08G 1810

Patent

active

041828259

ABSTRACT:
Hydroxy terminated polyethers are capped with toluene diisocyanate, and the amount of unreacted toluene diisocyanate substantially reduced. When cured with 4,4'-methylene-bis-(2-chloroaniline), the cured products have superior dynamic properties to the corresponding toluene diisocyanate capped polyethers with usual unreacted toluene diisocyanate content. The cured products are useful in fabricating industrial tires.

REFERENCES:
patent: 3412071 (1968-11-01), Sundholm
J. Chromatography, vol. 123, 1976, pp. 468-473, McFadyen.

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