Process and compositions for production of moldings

Details Process and compositions for production of moldings Process and compositions for production of moldings

1989-02-13

1990-06-26

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

528 73, C08G 1800, C08G 1814

Patent

active

049373668

ABSTRACT:
The present invention relates to a novel chain extender for use in making moldings. The chain extender broadly comprises the reaction product of an aromatic diamine and a cyclic carboxylic acid anhydride.

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