Heat-sensitive recording composition

Details Heat-sensitive recording composition Heat-sensitive recording composition

C - Chemistry, Metallurgy

09

B

42/3, 402/35, 26

C09B 59/00 (2006.01) B41M 5/30 (2006.01)

Patent

CA 1117240

ABSTRACT OF THE DISCLOSURE A heat reactive recording composition capable of acquiring a stable color in selected re contrasting with the background color of the sheet upon exposing these regions to an elevated temperature and comprising a paper or polymeric film substrate a coating comprising (1) an N-substituted condensation product of a heterocyclic diimino compound and an aromatic aldehyde and (2) a cyclic polyketo compound reactive with amines and amides at elevated temperature to form a color. -1-

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