Abrasion resistant polyurethane article having a high rolling co

Details Abrasion resistant polyurethane article having a high rolling co Abrasion resistant polyurethane article having a high rolling co

1977-08-23

1979-01-16

Welsh, M. 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...

198335, 198835, 428425, C08G 1848, C08G 1832

Patent

active

041348834

ABSTRACT:
An abrasion resistant traction article is made, comprising a cured, high traction, extended polyurethane composition, comprising the cured reaction product of: (1) 100 parts of a prepolymer made from polyoxytetramethylenediol, polyoxyisopropylenediol and tolylene diisocyanate and (2) 8.0 parts to 10.0 parts of methylene bis(o-chloroaniline), acting as a chain extender.

REFERENCES:
patent: 3034791 (1962-05-01), Gallagher
patent: 3414109 (1963-12-01), Clark
patent: 3490119 (1970-01-01), Fukuyama et al.
patent: 3779360 (1973-12-01), El Taher
patent: 4005773 (1977-02-01), Bouille
patent: 4010146 (1977-03-01), Russell et al.

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