Heat-sensitive recording sheet

Details Heat-sensitive recording sheet Heat-sensitive recording sheet

B - Operations, Transporting

41

M

42/3

B41M 5/30 (2006.01) B41M 5/333 (2006.01) B41M 5/337 (2006.01)

Patent

CA 2027362

A heat-sensitive recording sheet has on a support a color-developing layer which comprises a colorless or pale colored basic chromogenic dye and an organic color- developing agent, wherein the organic color-developing agent comprises both 4-hydroxy-4'-n-propoxydiphenylsulfone and a particular phenolic substance. The sheet of this invention provides excellent writing quality and superior thermal responsibility.

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