Thermally-responsive record material

Details Thermally-responsive record material Thermally-responsive record material

B - Operations, Transporting

41

M

B41M 5/30 (2006.01) B41M 5/337 (2006.01)

Patent

CA 2056277

An improved heat-sensitive recording material is disclosed comprising a substrate, a binder, a chromogenic material, an electron-accepting color developer which reacts with said chromogenic material to form a color, and a color- stabilizing resin. The color stabilizing resin comprises an addition product of a diolefinic alkylated or alkenylated cyclic hydrocarbon or, an addition product of a phenol and a diolefinic alkylated or alkenylated cyclic hydrocarbon. The color- stabilizing resin, dye, and developer, have a weight percent resin phenolic group of about 5 or less. The heat-sensitive recording material has a fade index greater than 45. Imaged recording materials according to the invention resist fading when exposed to temperatures of 60°C for prolonged periods such as twenty-four hour oven tests.

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