Heat-sensitive recording material

Details Heat-sensitive recording material Heat-sensitive recording material

B - Operations, Transporting

41

M

42/4

B41M 5/32 (2006.01) B41M 5/333 (2006.01) B41M 5/30 (2006.01)

Patent

CA 1249720

ABSTRACT OF THE DISCLOSURE A heat-sensitive recording material comprises a support and a color-developing layer having both a particular higher fatty acid iron salt having 16 - 35 C atoms and a polyvalent phenolic derivative of formula (I) below. The heat-sensitive recording material provides a superior thermal response and a high stability of the developed image. Image (I) where R represents an alkyl group having 18-35 carbon atoms, n represents an integer of 2 or 3, and -X- represents -CH2-, -O-, -CONH-, Image (in which R' is an alkyl group having 5 - 30 carbon atoms), -SO2-, -SO3-, or -SO2NH-.

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