Pressure sensitive recording unit

Details Pressure sensitive recording unit Pressure sensitive recording unit

B - Operations, Transporting

41

M

42/11

B41M 5/136 (2006.01)

Patent

CA 1176462

-1- FMT-348 SPECIFICATION Title of the Invention PRESSURE SENSITIVE RECORDING UNIT Abstract of the Disclosure Disclosed is a pressure sensitive recording unit which comprises a single base web sheet and a methine-type dyestuff and an organic oxidizing compound both supported on the single base web sheet, or a combination of first and second base web sheets and the methine-type dyestuff and organic oxidizing compound supported individually on the first and second base web sheets. Such a recording unit includes for example a pressure sensitive recording unit formed in combination of (a) a back-coated topsheet (CB-sheet)making use of microscopic capsules containing a solution obtained by dissolving a methine-type dyestuff in a solvent having a high boiling point and (b) a front- coated undersheet (CF-sheet) carrying an organic oxidizing compound coated thereon. Also disclosed is a pressure sensitive recording unit which includes a base web sheet carrying thereon such a methine-type dyestuff together with a metal ion sequestering agent and/or alkanol amine.

392953

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