Heat-sensitive recording paper
AssigneeHonshu Seishi Kabushiki Kaisha
InventorsMasato Nakamura, Saburo Nishimatsu, Toshitake Itoh, Katsumi Moronuki
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Abstract
Disclosed is a heat-sensitive recording paper comprising a colorless or pale-colored chromogenic substance and a phenolic substance for coloring the chromogenic substance by heating, in which amorphous synthetic aluminum silicate and/or amorphous synthetic magnesium silicate is incorporated in a recording layer.
Claims2
In a heat-sensitive recording paper having a heat-sensitive recording layer comprising a colorless or pale-colored chromogenic substance and a phenolic compound, the improvement characterized in that from 10 to 70% by weight of at least one amorphous synthetic compound selected from the group consisting of amorphous synthetic aluminum silicate and amorphous synthetic magnesium silicate is incorporated into said heat-sensitive recording layer.
Dependencies are inferred from the claim text.