Process for preparing an acceptor coated sheet for use in a pres

Details Process for preparing an acceptor coated sheet for use in a pres Process for preparing an acceptor coated sheet for use in a pres

1978-05-23

1980-04-22

Hess, Bruce H.

Coating processes

Transfer or copy sheet making

Reactive components

106 21, 282 275, 427151, 427152, 428307, 428500, 428521, 428914, B41M 516, B41M 522

Patent

active

041996194

ABSTRACT:
A process for preparing an acceptor coated sheet used in a pressure sensitive copying system is disclosed. The pressure sensitive copying system utilizes a color forming reaction on a base sheet between the color former in the form of the oily core material encapsulated in microcapsules and the organic acceptor included in an acceptor coating layer formed on said base sheet. The acceptor coating layer includes as a binder a carboxylic latex having an oil swellability smaller than 65% in terms of the swelling with the oily core material. An ester of an organic acid is further included within the microcapsules and/or in the acceptor coating layer.

REFERENCES:
patent: 3924027 (1975-12-01), Saito et al.
patent: 4051303 (1977-09-01), Hayashi et al.
patent: 4055358 (1977-10-01), Garner et al.
patent: 4076887 (1978-02-01), Tsuji et al.

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