Pressure-sensitive record material containing urea-...

Details Pressure-sensitive record material containing urea-... Pressure-sensitive record material containing urea-...

B - Operations, Transporting

41

L

42/16

B41L 1/36 (2006.01) B41M 5/155 (2006.01)

Patent

CA 1099512

PRESSURE-SENSITIVE RECORD MATERIAL CONTAINING UREA-FORMALDEHYDE RESIN PIGMENT ABSTRACT OF THE DISCLOSURE Improved print speed and image intensity are obtained in a pressure-sensitive record sheet material by incorporating a cross- linked urea-formaldehyde agglomerated resin pigment in the coated surface of the acid-reacting sheet. A typical formulation of the coating comprises kaolin clay, a zinc-modified urea-formaldehyde resin, said urea-formaldehyde resin pigment and a suitable binder. When contacted under pressure with a surface containing microscopic rupturable capsules of a colorless chromogeneous material, a colored mark is formed by transfer of the colorless chromogeneous material to the acidic pigment coating.

291858

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