Multiple impression thermal transfer ribbon

Details Multiple impression thermal transfer ribbon Multiple impression thermal transfer ribbon

1989-06-13

1991-05-21

Schwartz, Pamela R.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428195, 428484, 4284881, 428522, 428913, 428914, B41M 526

Patent

active

050174282

ABSTRACT:
A thermal transfer ribbon, suitable for printing of multiple sharp impressions, employs as the binder for its fusible colorant layer an olefin/vinyl ester copolymer, particularly an ethylene/vinyl acetate copolymer having the ratio of vinyl acetate units to ethylene units of about 0.01 to 0.07. The ribbon is conveniently made by coating a solution of this polymer, with the colorant substance dissolved or dispersed therein, onto a substrate such as a synthetic polyester film.

REFERENCES:
patent: 3944695 (1976-03-01), Kosaka et al.
patent: 4347282 (1982-08-01), Ehrhardt et al.
BASF Product Bulletin, 2 pages, "Eva 1-Wachs BASF".

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