Imide-based prepolymer and varnish prepolymers with radical scav

Details Imide-based prepolymer and varnish prepolymers with radical scav Imide-based prepolymer and varnish prepolymers with radical scav

1989-05-08

1990-11-13

Anderson, Harold D.

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

Synthetic resins

From carboxylic acid or derivative thereof

524606, 528170, 528313, 528315, 528316, 528319, 528321, 528322, C08G 7312

Patent

active

049702890

ABSTRACT:
There is provided the process for producing an imide-based prepolymer having high solvent solubility by reacting an unsaturated bisimide of formula (I): ##STR1## wherein D is a divalent group having a carbon-to-carbon double bond, and A is a divalent group having at least two carbon atoms, with a diamine in the presence of a radical scavenger.

REFERENCES:
patent: 3878172 (1975-04-01), Bargain et al.

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