Decoloring type heat sensitive image recording material

Details Decoloring type heat sensitive image recording material Decoloring type heat sensitive image recording material

1994-03-22

1995-04-18

Schwartz, Pamela R.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Method of use, kit, or combined with marking instrument or...

427150, 503200, 503207, 503214, 503216, 503226, B41M 530

Patent

active

054078903

ABSTRACT:
A decoloring type heat sensitive image recording material comprises a transparent support and a heat sensitive layer provided thereon. The heat sensitive layer contains color particles and a hydrophilic binder. The color particles are dispersed in the hydrophilic binder. The color particles are formed by a reaction of a leuco dye with a phenol developer. The heat sensitive layer substantially does not contain particles of a decoloring agent. The heat sensitive layer can be decolored in such a manner that a thermal energy applied to the image recording material causes a reaction of the color particles with the hydrophilic binder to decolor the particles, and that the decolored state is kept at room temperature. A process of recording an image by decoloring the heat sensitive material is also disclosed.

REFERENCES:
patent: 4773778 (1988-09-01), Pietsch et al.

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