Acid-terminated polyester imide wire enamels

Details Acid-terminated polyester imide wire enamels Acid-terminated polyester imide wire enamels

1979-12-04

1981-06-16

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

260 332R, 528296, 528300, 528301, 528302, C08G 6344, C08G 6944

Patent

active

042739179

ABSTRACT:
Wire enamels comprise acid-terminated polyester imides prepared to an acid number of not less than 6 in the presence of a monoether or monoester of a glycol or polyglycol and dissolved in a solvent comprising predominantly a polar oxygenated compound selected from a monoether or monoester of an alkylene, or polyalkylene, glycol. Such enamels provide insulation coatings on electrical conductors which have superior flexibility, especially after aging.

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patent: 3161541 (1964-12-01), Holub
patent: 3201276 (1965-08-01), Meyer et al.
patent: 3342780 (1967-09-01), Myer et al.
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patent: 3865785 (1975-02-01), Pauze
patent: 4117032 (1978-09-01), Kwiecinski
patent: 4119605 (1978-10-01), Keating
patent: 4119608 (1978-10-01), Keating
patent: 4119758 (1978-10-01), Keating
patent: 4121266 (1978-10-01), Kovacs et al.
patent: 4195159 (1980-03-01), Kwiecinski

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