Thermosensitive recording material

Details Thermosensitive recording material Thermosensitive recording material

1994-04-12

1995-08-29

Hess, B. Hamilton

Record receiver having plural interactive leaves or a colorless

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

Having constituent defined in terms of melting temperature

503209, 503216, 503225, B41M 530

Patent

active

054460107

ABSTRACT:
A thermosensitive recording material having a high thermosensitivity and useful for recording thereon colored images having high storage persistency, comprises a thermosensitive colored image-forming layer formed on a surface of a substrate sheet and comprising a colorless dye precursor; a color-developing aromatic compound having, per molecule thereof, at least one arylsulfonylureido group of the formula (I): ##STR1## wherein R.sup.1 =aromatic group unsubstituted or substituted with at least one of lower alkyl and lower alkoxyl group and hologen atoms; a sensitizing aromatic amide compound of the formula (II): ##STR2## wherein Ar.sup.1, Ar.sup.2 =non-substituted phenyl or naphthyl group or substituted phenyl or naphthyl group with 1 to 3 substituent selected from aryl, aryloxy, aralkyl, alkyl, alkoxyl, trihalogenomethyl, nitro and alkylamino groups and halogen atoms; and a binder.

REFERENCES:
patent: 3539375 (1970-11-01), Baum
patent: 5292711 (1994-03-01), Nishimura et al.
patent: 5314859 (1994-05-01), Takahashi et al.

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