专利号:US-8288313-B2 优先权日:2007-02-14 标 题:Thermal recording material 发明人:IKEZAWA YOSHIMI 权利人:IKEZAWA YOSHIMI; MITSUBISHI PAPER MILLS LTD 摘要:A thermal recording material comprises a support and a thermal recording layer formed thereon, the thermal recording layer containing an electron-donating dye precursor and an electron-receiving developer that causes said dye precursor to develop a color, wherein said thermal recording layer contains vapor-phase synthesis silica, preferably, the vapor-phase synthesis silica has a specific surface area, measured by a BET method, of 50 to 200 m 2 /g and further is doped with aluminum oxide, and the thermal recording layer further contains the above vapor-phase synthesis silica and a diphenyl sulfones-bridged type compound, and the thermal recording material is excellent in anti-sticking property and image stability.