Polyimide product from phenanthrene

Details Polyimide product from phenanthrene Polyimide product from phenanthrene

1984-09-18

1986-03-18

Anderson, Harold D.

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

Synthetic resins

From ketone or ketene reactant

528229, C08G 1004

Patent

active

045770093

ABSTRACT:
Novel polyimide products of the general formula ##STR1## where n is from 2 to 20 and each R is hydrogen or a group effective to block further reaction with a diamine. These products are incapable of further polymerization with diamines, but are useful starting materials for reaction with other polyfunctional reagents such as diepoxides to form interesting new resins.

REFERENCES:
patent: 4346212 (1982-08-01), Robinson et al.
patent: 4394499 (1983-07-01), Robinson et al.

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