| 摘要 |
PURPOSE:To produce a thermal recording material capable of providing a uniform recording image having no density irregularity. CONSTITUTION:In a thermal recording material produced by laminating an intermediate layer and a thermal recording layer on a support, the support obtained by subjecting a web formed from wood pulp with a freeness of 150-500C.S.F. by a papermaking process to wet pressing under linear pressure of 50kg/cm or more and characterized by that density is 0.80g/cm<3> or more and center line average roughness ratio Ra1/Ra2 is 1.5 or less when center line average roughnesses before and after the support is allowed to stand for 48hr or more under a 40-90% RH condition are set to Ra2, Ra1 is used. |
