Thermosensitive recording material with a high fog resistance

Details Thermosensitive recording material with a high fog resistance Thermosensitive recording material with a high fog resistance

1996-11-19

1998-09-08

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

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

Plural colors or plural diverse systems

427150, 427152, 503207, 503208, 503213, 503214, B41M 534, B41M 536

Patent

active

058045287

ABSTRACT:
A thermosensitive recording material with a high resistance to fogging has a thermosensitive colored image-forming layer formed on a support and includes at least one colorless dye precursor, a color-developing agent and a binder, the dye precursor being contained in a plurality of fine solid composite particles prepared by dissolving a solute including the dye precursor in a solvent which includes a polymerization component including a polyvalent isocyanate compound; emulsifying the resultant solution in an aqueous medium; and subjecting the aqueous emulsion to a polymerization reaction to thereby form the fine solid composite particles in which the dye precursor is solid-dissolved in a solid thermoplastic resin matrix formed from a resultant polyurea or polyurethane polyurea resin.

REFERENCES:
patent: 3843384 (1974-10-01), Adachi et al.
patent: 3895173 (1975-07-01), Adachi
patent: 5155087 (1992-10-01), Matsushita et al.

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