Image-forming substrate

Details Image-forming substrate Image-forming substrate

B - Operations, Transporting

41

M

B41M 5/165 (2006.01) B41M 5/28 (2006.01) B41M 5/34 (2006.01) B41M 5/40 (2006.01)

Patent

CA 2245600

An image-forming substrate has a sheet of paper, and a layer of microcapsules coated over the paper sheet. The microcapsule layer containing at least one type of microcapsules filled with a liquid dye, and a shell wall of each of the microcapsules is composed of resin that exhibits a temperature/pressure characteristic such that, when each of the microcapsules is squashed under a predetermined pressure at a predetermined temperature, the liquid dye seeps from the squashed microcapsule.

Cette invention concerne un support de formation d'image sous la forme d'une feuille de papier revêtue d'une couche de microcapsules. Cette couche est formée d'au moins un type de microcapsules remplies de teinture liquide et dont la coquille est en résine dont les caractéristiques de tenue à la chaleur et à la pression sont telles qu'à une température et à une pression d'écrasement données, elle laisse la teinture liquide s'échapper.

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