| 摘要 |
A support for a thermosensitive recording material comprising a surface layer of a thermoplastic resin film having a center line average roughness of 0.6 mu m or less laminated on the surface of a porous film base material of a biaxially stretched film of a thermoplastic resin containing an inorganic fine powder, wherein the properties of said support meet the following conditions (a) to (c); (a) the thickness of the surface layer is from 0.3 to 2.0 mu m and the Bekk smoothness of the surface layer is from 1,000 to 8,000 seconds, (b) the opacity of the support is 70% or less, the density of the support is 0.91 g/cm<3> or less, and the compression ratio of the support under a stress of 32 kg/cm<2> is from 15 to 35%, and (c) the coefficient of thermal shrinkage at 120 DEG C for 30 minutes is 2.5% or less in the longitudinal direction and is 2.0% or less in the width direction. <IMAGE> |
