Method of manufacturing polyetherurethane urea amines, and use o

Details Method of manufacturing polyetherurethane urea amines, and use o Method of manufacturing polyetherurethane urea amines, and use o

1991-07-23

1993-02-16

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 53, 528 60, 528 61, 528 62, 528118, 528121, 528123, 528367, C08G 1830

Patent

active

051872536

ABSTRACT:
Polyether urethane urea amines are prepared by reacting an isocyanate prepolymer of the formula ##STR1## with a polyamine of the formula ##STR2## wherein R is an optionally alkyl-substituted alkanediyl group of 2-12 carbon atoms, or an optionally alkyl-substituted cycloalkanediyl group of 4-14 carbon atoms;

REFERENCES:
patent: 4435558 (1984-03-01), Burba et al.

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