| 摘要 |
PROBLEM TO BE SOLVED: To provide a thermosensitive paper capable of preventing decrease in density of a printing coloring recording part when a printed matter using the same is stored under high temperature and high humidity environments or the like.SOLUTION: There is provided a thermosensitive paper 1 in which a thermosensitive coloring layer 3 is provided on a substrate 2. The thermosensitive coloring layer 3 contains a leuco dye, a color developer and a binder, the binder contains gelatin having an isoionic point of 7 or more and an acrylic resin having a carboxyl group in a solid content mass ratio (gelatin having an isoionic point of 7 or more/an acrylic resin having a carboxyl group) of 1/4 or more and 4/1 or less. |
