A heat-sensitive recording material having a carrier substrate and a fusible layer disposed on one side of the carrier substrate. The fusible layer comprises an amide wax having a melting point in the range from 60° C. to 180° C., an inorganic pigment, and a polymeric binder.

The present invention relates to a heat-sensitive recording material comprising a carrier substrate, which is black or coloured on at least one side, and a thermoresponsive layer on the at least one black or coloured side of the carrier substrate, wherein the thermoresponsive layer comprises nanoparticles of at least one cellulose ester, and to a method for producing this material, and to a heat-sensitive recording material that can be obtained by this method.

An aqueous ink composition including: an aqueous medium and resin fine particles, in which a proportion of a high-boiling solvent occupied in the aqueous medium is 3% by mass or less, and a resin constituting the resin fine particle contains constitutional units represented by General Formula (1) or (2).

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In the formulae, R.sup.1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, A.sup.1 represents O, NH, or N(L.sup.2-Y.sup.2), and L.sup.1 and L.sup.2 each are represent a specific divalent group such as an alkylene group or the like.

Y.sup.1 and Y.sup.2 each represent OH, OR.sup.2, NH.sub.2, NR.sup.2H, NR.sup.2R.sup.3, SH, S(O).sub.2OM, or OP(O)(OM).sub.2. R.sup.2 and R.sup.3 each represent a specific substituent, and M represents a hydrogen atom, an alkali metal ion, or an ammonium ion.

The present invention relates to a heat-sensitive recording material comprising a carrier substrate, which is black or coloured on at least one side, and a thermoresponsive layer on the at least one black or coloured side of the carrier substrate, wherein the thermoresponsive layer comprises nanoparticles of at least one cellulose ester, and to a method for producing this material, and to a heat-sensitive recording material that can be obtained by this method.

A heat-sensitive recording material having a carrier substrate and a fusible layer disposed on one side of the carrier substrate. The fusible layer comprises an amide wax having a melting point in the range from 60 C. to 180 C., an inorganic pigment, and a polymeric binder.