Patent ID: 8101547

Claim:
A transparent heat-sensitive recording material comprising: (a) a transparent support; (b) a heat-sensitive recording layer containing a leuco dye and a developer and provided on the transparent support; and (c) a protective layer comprising as main components a pigment and a binder and provided on the heat-sensitive recording layer; the binder in the protective layer comprising acetoacetyl-modified polyvinyl alcohol and a polyurethane-based resin; and the pigment contained in the protective layer being (I) calcined kaolin and at least one main pigment selected from the group consisting of kaolin and aluminum hydroxide, or (ii) calcined kaolin, a third pigment, and at least one main pigment selected from the group consisting of kaolin and aluminum hydroxide; and the calcined kaolin being present in a proportion of 0.3 to 5 mass % relative to the protective layer.