Decolorizable ink and printer

Details Decolorizable ink and printer Decolorizable ink and printer

1999-01-22

2000-01-25

Bell, Mark L.

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 314, 106 3164, 106 3172, 106 3158, 106 3186, C09D 1100

Patent

active

060173866

ABSTRACT:
A decolorizable image forming material comprising a color former, a developer and a decolorizer, the decolorizer comprising a highly amorphous phase separation inhibitor and a slightly amorphous phase separation inhibitor. A cyclic sugar alcohol is used as the highly amorphous phase separation inhibitor, and a non-aromatic cyclic compound having five-membered or larger ring substituted by a hydroxyl group or a derivative of a cyclic sugar alcohol is used as the slightly amorphous phase separation inhibitor. The decolorizable image forming material can be decolored easily after image formation by a solvent and the decolored state of which can be maintained stably, thereby making it possible to reuse paper sheets.

REFERENCES:
patent: 5849651 (1998-12-01), Takayama et al.
patent: 5922115 (1999-07-01), Sano et al.

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