Process for the production of heat-resistant polyurethane urea e

Details Process for the production of heat-resistant polyurethane urea e Process for the production of heat-resistant polyurethane urea e

1988-09-16

1989-11-21

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 68, 528 76, 528 77, 528 83, C08G 1810

Patent

active

048824097

ABSTRACT:
The present invention is directed to a process for the production of a polyurethane urea elastomer which comprises preparing a heterogeneous mixture of

REFERENCES:
patent: 3004939 (1961-10-01), Varvaro
patent: 3105062 (1963-09-01), Graham et al.
patent: 3891606 (1975-06-01), Kegon
patent: 3926922 (1975-12-01), Baron et al.

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