Pressure sensitive copy material

Details Pressure sensitive copy material Pressure sensitive copy material

B - Operations, Transporting

41

M

42/16

B41M 5/165 (2006.01)

Patent

CA 2001871

The present invention is connected with a pressure sensitive copy material using a color former solution in which an electron accepting developer and an electron donating color former capable of developing a color when brought into contact with the developer are dissolved in a solvent, and as the solvent in the color former solution, a solvent composition is used which comprises (a) 5 to 50% by volume of one selected from the group consisting of a hydrogenated lower polymer of propylene and/or a butene, an alicyclic hydrocarbon, an alkylbenzene and a kerosine fraction, and (b) 50 to 95% by volume of a bicyclic aromatic hydrocarbon and/or a chlorinated paraffin oil having a viscosity of 3 cSt or more at 40°C, the aforesaid developer comprising an aromatic carboxylic acid, a polymer thereof, a metallic salt thereof, a polyvalent metallized carboxy- modified terpene phenolic resin or a derivative thereof.

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