HEAT-SENSITIVE RECORDING MATERIAL WITH PAINT DEVELOPERS FROM RENEWABLE RAW MATERIALS

摘要

The present invention relates to a heat-sensitive recording material comprising i) a carrier substrate and ii) a heat-sensitive recording layer, the heat-sensitive recording layer comprising at least one color former and at least one color developer and the color developer or at least one of the color developers being selected from the group consisting of natural tanning agents, alkali - Or alkaline earth metal salts of tannins, oligomeric proanthocyanidins, flavonoids, carboxylic acids, saccharides, saccharide derivatives, carboxymethyl celluloses, resin acids, phytosterols, coumarins, monomeric phenolic compounds, lignins, lignans, fatty acids, extracts from delignification processes and / or, at least, from condensation products and from polycondensation products Mandelic acid as monomeric units.