Water-soluble polyester imide resin wire coating process

Details Water-soluble polyester imide resin wire coating process Water-soluble polyester imide resin wire coating process

1979-05-16

1980-06-03

Esposito, Michael F.

Stock material or miscellaneous articles

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

Rod, strand, filament or fiber

428458, 4284258, 427117, 4273884, 260 292N, 528289, 528170, 528128, 174110N, B32B 1500

Patent

active

042062616

ABSTRACT:
Water soluble polyester-imide prepolymers are prepared (1) having 5 to 60%, preferably at least 35%, of imide moieties, (2) an excess hydroxyl content in excess of 60% and preferably more than 100%, and (3) a number average molecular weight of 600-1300. To water solubilize the prepolymers formed, there are added amines, preferably tertiary amines. The products are useful as wire enamels. To enhance the thermoplastic flow of the enamel, there are added organic titanates.

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patent: 3663467 (1972-05-01), Albright
patent: 3957741 (1976-05-01), Rembaum et al.
patent: 3969287 (1976-07-01), Jaworek
patent: 4008195 (1977-02-01), Ishizuki et al.
patent: 4051091 (1977-09-01), Shibayama et al.
patent: 4070348 (1978-01-01), Kraemer et al.
patent: 4116941 (1978-09-01), Hanson
J. Polymer Sci-Symposium No. 47, pp. 77-87, (1974), Kraemer et al., Enzymes Covalently Bound . . .

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