| abstract |
An object of the present invention is to provide a thermosensitive recording material having improved properties and processability of a coating solution for a protective layer applied on a thermosensitive coloring layer, and having excellent storage stability and head matching using the coating solution. [Solution] An aqueous protective layer ink composition containing colloidal amorphous silica, a higher fatty acid metal salt, a hydrophobic polymer emulsion and acetoacetylated polyvinyl alcohol as essential components, and a heat-sensitive recording material using the same. |