| 摘要 |
<p>Heat-sensitive recording paper includes a heat-sensitive recording layer contg. a basic colourless dye and an acidic material causing colouration of the dye upon heating on a substrate. The support contains used paper and the content of the residual surfactant contained in the support is below 10000 ppm. A barrier layer is located between the support and the heat-sensitive recording layer and comprises casein, PVA. ammonium alginate, Me cellulose, hydroxyethyl-cellulose, CMC, maleic anhydride copolymer, styrene/maleic anhydride copolymer or styrene/butadiene copolymer.</p> |
