Dielectric coating compositions from polyesters and rosin esters

Details Dielectric coating compositions from polyesters and rosin esters Dielectric coating compositions from polyesters and rosin esters

1979-02-15

1980-05-06

Phynes, Lucille M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

525437, C08L 9304

Patent

active

042017017

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: 3660328 (1972-05-01), Lindquist
patent: 3686361 (1972-08-01), DeWitt et al.
patent: 3714126 (1973-01-01), Reid
patent: 3759855 (1973-09-01), Schnegg et al.
patent: 3766111 (1973-10-01), Metzner et al.
patent: 3904561 (1975-09-01), Borman et al.

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