Polyetherimide resin and electrical conductors insulated therewi

Details Polyetherimide resin and electrical conductors insulated therewi Polyetherimide resin and electrical conductors insulated therewi

1981-03-20

1983-12-27

Cockeram, H. S.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

528 48, 528 52, 528 73, 528185, 428458, 4284735, C08G 1830, B32B 2700, D02G 300

Patent

active

044231113

ABSTRACT:
Novel high molecular weight resins, useful for electrically insulating conductors, are prepared by polycondensation of a dianhydride, or a mixture of two or more dianhydrides, and a diisocyanate 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: 3847867 (1974-11-01), Heath et al.
patent: 4098800 (1978-07-01), Banucci et al.
patent: 4196277 (1980-04-01), Jones et al.
patent: 4197396 (1980-04-01), Banucci et al.
patent: 4215157 (1980-07-01), Boldebuck et al.
patent: 4221897 (1980-09-01), Takekoshi
patent: 4281100 (1981-07-01), Takekoshi
patent: 4296229 (1981-10-01), Pauze et al.
patent: 4354965 (1982-10-01), Lee et al.

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