Pressure-sensitive recording sheets

Details Pressure-sensitive recording sheets Pressure-sensitive recording sheets

1982-11-19

1984-09-25

Hess, Bruce H.

Recorders

Record receiver deforming

346212, 346216, 346217, 346221, 346225, B41M 522

Patent

active

044738323

ABSTRACT:
Pressure-sensitive recording sheets which comprise at least a transfer sheet having on its one side a coating including microcapsules containing as color-former black color-forming fluoran dye and a color-developing sheet having on its one side a color-developer layer containing at least activated clay, zinc carbonate and thiourea compound. The pressure-sensitive recording sheets of this invention provide pure black color image having high-color density, excellent light fastness and less color change with the lapse of time.

REFERENCES:
patent: 4421344 (1983-12-01), Ikezawa et al.

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