A thermal recording material including a substrate; a thermal coloring
layer which is located overlying the substrate and which includes a leuco
dye and a developer for coloring the leuco dye upon application of heat;
and a protective layer which is located overlying the thermal coloring
layer and which includes a binder resin, a crosslinking agent and a
filler, wherein the binder resin in the protective layer includes a
polyvinyl alcohol having a silanol group, and the crosslinking agent
includes a zirconium compound of lactic acid.