Fuji Photo Film Company, Limited

Kazumori Minami

Hisao Yamada

Shiki Ueki

Hiroshi Sato

Ken Iwakura

Masanobu Takashima

Satoru Yamada

Naoto Yanagihara

Yoshihiro Jinbo

The present invention provides a thermal recording material comprising a support and at least a thermal recording layer disposed on the support, wherein at least one of the thermal recording layer includes, together with an electron donating colorless dye, at least an electron accepting compound represented by the following general formula (1). Rand Reach independently represents a hydrogen atom, an alkyl group or an aryl group; and Ar is represented by the following general formula (2). In the general formula (2), Rto Reach independently represents a hydrogen atom, an alkyl group with 1 to 4 carbon atoms or an aryl group.

Thermal recording material

A heat-sensitive recording material including at least a heat-sensitive recording layer, a light transmittance adjusting layer and a heat resistant protective layer on a support, wherein oxygen permeability of the light transmittance adjusting layer is 0.8 or less, and the light transmittance adjusting layer includes a polyvinyl alcohol having a saponification rate of 90 mol % or more.

Heat-sensitive recording material

A thermal recording material comprising, on a substrate, a thermal recording layer which includes an electron-donating dye precursor and an electron-accepting compound, wherein at least one kind of the electron-donating dye precursor is an indolylphthalide compound represented by general formula ():

Indolylphthalide compound and thermal recording material using the same

A heat-sensitive recording material includes a support having disposed thereon a heat-sensitive layer including microcapsules, which contain an achromic or hypochromic electron-donating dye precursor, and a developer, wherein the microcapsules contain at least one metal compound.

The invention provides a thermal recording material, which includes at least one recording layer containing an electron donating dye precursor and an electron accepting compound, and additionally, the recording layer includes a polymerizable compound having an ethylenic unsaturated bond.

Disclosed is a heat-sensitive recording material containing an ultraviolet light absorber precursor which forms an ultraviolet light absorber by being irradiated with light, and a hydrogen donor.

A thermal recording material having good image storability and good lightfastness. The recording material does not have background fogging, even when exposed to light in a broad wavelength range or exposed to high-temperature surroundings. The recording material has a thermal recording layer provided on a support, and the thermal recording layer contains a compound of general formula (1), a compound of general formula (2), and a compound of general formula (3).

A heat-sensitive recording material comprising a support having thereon a heat-sensitive recording layer and a protective layer in this sequence, said heat-sensitive recording material containing a compound represented by formula (1), (2), (3), or (4): ##STR1##

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Shizuoka-ken, Japan

Kazumori Minami