Dielectric coating compositions derived from terephthalic acid-1

Details Dielectric coating compositions derived from terephthalic acid-1 Dielectric coating compositions derived from terephthalic acid-1

1977-11-10

1979-05-08

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

528305, 528309, 428480, 260 22CQ, C08G 6318

Patent

active

041537823

ABSTRACT:
Coating compositions useful as a dielectric layer for electrostatic recording sheet material are disclosed. The compositions comprise a polyester derived mainly from terephthalic acid and 1,2-propanediol. Minor amounts of isophthalic acid and ethylene glycol may be included. Preferably, the compositions include an ester prepared from gum, wood and/or tall oil rosin in an amount of up to about 70% based on the combined weight of polyester and rosin ester.

REFERENCES:
patent: 3436376 (1969-04-01), Duling
patent: 3686361 (1972-08-01), DeWitt et al.
patent: 3714126 (1973-01-01), Reid

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