| 摘要 |
PROBLEM TO BE SOLVED: To provide a thermosensitive recording body having slight discoloration of a blank paper part and excellent preservability of a recording part.SOLUTION: There is provided a thermosensitive recording body which comprises a thermosensitive recording layer containing at least a leuco dye and a coloring agent and a protective layer containing an adhesive on a substrate, wherein the thermosensitive recording layer contains N-[2-(3-phenylureido)phenyl]benzenesulfonamide as a coloring agent, the protective layer contains (meth)acrylonitrile and a vinyl monomer copolymerizable with (meth)acrylonitrile as an adhesive and further contains a copolymer resin having a solubility parameter of 12.0 or more and the copolymer resin contains at least one carboxy group-containing vinyl monomer at a ratio of 1 to 10 mass% as a vinyl monomer based on the total solid content of the copolymer resin. |
