Heat-sensitive recording material containing polyethylene.

摘要

A heat-sensitive recording material comprises a recording layer containing a colorless or light-colored basic dye and a developing agent on a support. The recording layer further contains a polyethylene having a melting point lower than 60 DEG C, which is obtained as an emulsion not comprising a surfactant. The heat-sensitive recording material may be prepared by coating on a support an aqueous coating composition, which contains a colorless or light-colored basic dye and a developing agent together with a polyethylene emulsion comprising a polyethylene having a melting point lower than 60 DEG C but no surfactant (e.g. emulsifier), to form a recording layer.