Polyetheramideimide resins and electrical conductors insulated t

Details Polyetheramideimide resins and electrical conductors insulated t Polyetheramideimide resins and electrical conductors insulated t

1981-03-20

1982-10-19

Welsh, Maurice J.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

4273881, 427409, 4284231, 4284233, 4284237, 528 48, 528 49, 528 52, 528 73, 528 74, 528179, 528182, 528189, 524233, 524590, 524600, C08G 1800

Patent

active

043549659

ABSTRACT:
Novel high molecular weight resins, useful for electrically insulating conductors, are prepared by polycondensing a mixture of anhydrides, and a diisocyanate and/or a diamine in an inert organic solvent, preferably in the presence of a catalytic amount of 2-methylimidazole.

REFERENCES:
patent: 3541038 (1970-11-01), Nakano et al.
patent: 3817926 (1974-06-01), Pauze et al.
patent: 3843587 (1974-10-01), Keating et al.
patent: 3847867 (1974-11-01), Health et al.
patent: 3983093 (1976-09-01), Williams et al.

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