Image forming method of pressing light-sensitive material on ima

Details Image forming method of pressing light-sensitive material on ima Image forming method of pressing light-sensitive material on ima

1992-01-17

1993-09-21

McCamish, Marion E.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

430203, 430253, 430254, 430350, 430353, G03C 172

Patent

active

052468119

ABSTRACT:
An image forming method uses a light-sensitive material and an image receiving material. The light-sensitive material comprises a support and a light-sensitive layer provided thereon. The light-sensitive layer contains silver halide, a reducing agent, pigment particles, an ethylenically unsaturated polymerizable compound and a base precursor. The silver halide, the reducing agent, the pigment particles, the polymerizable compound and the base precursor are contained in microcapsules dispersed in the light-sensitive layer. The image forming method comprises imagewise exposing the light-sensitive material, developing the light-sensitive material to polymerize the polymerizable compound, and pressing the light-sensitive material on the image receiving material to transfer the pigment particles to the image receiving material. In the present invention, the light-sensitive material is pressed at a pressure in the range of 20 kg/cm.sup.2 to 500 kg/cm.sup.2 while heating the light-sensitive material at 30.degree. C. to 130.degree. C. The light-sensitive material and the image receiving material are usually pressed by rollers. At least one of the rollers facing the light-sensitive material preferably is a heated roller, and the light-sensitive material is heated by the heated roller. The diameters of the rollers are preferably in the range of 5 mm to 40 mm. The support of the light-sensitive material is preferably made of a polymer film. The thickness of the polymer film support is preferably in the range of 5 .mu.m to 50 .mu.m.

REFERENCES:
patent: 4822717 (1989-04-01), Nakamura
patent: 4933256 (1990-06-01), Kakimi
patent: 5073472 (1991-12-01), Yamamoto

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