Kanzaki Paper Manufacturing Co., Ltd.

Kanzaki Paper Mfg. Co., Ltd.

Toshimitsu Arikawa

Hiroo Hayashi

Katsuhiko Ishida

An improved heat-sensitive recording material of the type having a substrate and a heat-sensitive recording layer formed on said substrate, said heat-sensitive recording layer containing a color former and a color developer to color said color former upon contact by heating, characterized in that said substrate comprises an adiabatic foamed polyester resin film containing minutes cavities with an apparent specific gravity in the range of 0.9 to 1.2.

Heat-sensitive recording material with a substrate comprising a foamed

A heat-sensitive recording material comprising a support and a recording layer provided on the support, said recording layer containing a colorless or pale-colored basic dye and a color developer capable of forming a color upon application of heat, wherein electroconductive titanium oxide is incorporated in at least one of layers constituting the recording material.

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Hyogo, Japan

Toshimitsu Arikawa