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EP0203613A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Light-sensitive material containing microcapsules and image-recording method using the same

Assignee: Fujifilm Holdings Corp
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Filing: 1986-05-30
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Granted: —
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Expires: 2006-05-30
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Abstract

Abstract A light-sensitive material and an image recording method using the same are disclosed. The material comprises a support having provided thereon a light sensitive layer containing at least a light-sensitive silver halide, a reducing agent, a polymerizable compound, and a color image forming substance, wherein at least the polymerizable compound and the color image forming substance are encapsulated in the same microcapsules. The material exhibits high sensitivity and excellent stability with time.

Inventors

  • 👤 Yamamoto Soichiro
  • 👤 Hideki Ohmatsu
  • 👤 Shunichi Ishikawa
  • 👤 Fumiaki Shinozaki

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-29 14:20
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/002; G03C; G03C1/00; G03C1/494; G03C1/498; G03F7/004; G03F7/027; G03F7/028; G03F7/0285

Claims Analysis

Total Claims: 23
Claim 1
Independent Claim 49 words
A light-sensitive material comprising a support having provided thereon a light-sensitive layer containing at least a light-sensitive silver halide, a reducing agent, a polymerizable compound, and a color image forming substance, wherein at least said polymerizable compound and said color image forming substance are encapsulated in the same microcapsules.
Claim 2
Dependent Claim 49 words
A light-sensitive material comprising a support having provided thereon a light-sensitive layer containing at least a light-sensitive silver halide, a reducing agent, a polymerizable compound, and a color image forming substance, wherein at least said polymerizable compound and said color image forming substance are encapsulated in the same microcapsules.
Claim 3
Dependent Claim 30 words
A light-sensitive material as in claim 1, wherein said microcapsules containing the polymerizable compound and the color image forming substance further contain said light-sensitive silver halide and said reducing agent.
Claim 4
Dependent Claim 19 words
A light-sensitive material as in claim 1, wherein said light-sensitive material further contains an organic silver salt oxidizing agent.
Claim 5
Dependent Claim 22 words
A light-sensitive material as in claim 1, wherein said light-sensitive silver halide is formed in the presence of a color sensitizing dye.
Claim 6
Dependent Claim 19 words
A light-sensitive material as in claim 1, wherein said color image forming substance is a dye or a pigment.
Claim 7
Dependent Claim 17 words
A light-sensitive material as in claim 1, wherein said color image forming substance is a color former.
Claim 8
Dependent Claim 19 words
A light-sensitive material as in claim 1, wherein said light-sensitive material further contains a base or a precursor thereof.
Claim 9
Dependent Claim 16 words
A light-sensitive material as in claim 1, wherein said light-sensitive material further comprises a conductive layer.
Claim 10
Dependent Claim 17 words
A light-sensitive material as in claim 1, wherein said light-sensitive layer further contains a thermal polymerization initiator.
Claim 11
Dependent Claim 103 words
A light-sensitive material as in claim 1, wherein said light-sensitive silver halide is present in an amount of from 1 mg to 10 g per m 2 (silver content), said reducing agent is present in an amount of from 0.1 to 1,500 mol% based on the silver halide, said polymerizable compound is present in an amount of from 5 to 1.2 x 10 5 parts by weight per part by weight of the silver halide, and said color image forming substance is present in an amount of from 0.5 to 20 parts by weight per 100 parts by weight of the polymerizable compound.
Claim 12
Dependent Claim 20 words
A light-sensitive material as in claim 1, wherein said microcapsules have a particle size of from 0.1 to 80 µm.
Claim 13
Dependent Claim 31 words
A light-sensitive material as in claim 3, wherein said organic silver salt oxidizing agent is present in an amount of from 0.01 to 10 mols per mol of the silver halide.
Claim 14
Dependent Claim 30 words
A light-sensitive material as in claim 4, wherein said color sensitizing dye is present in an amount of from 10 to 10 -2 mol per mol of the silver halide.
Claim 15
Dependent Claim 35 words
A light-sensitive material as in claim 7, wherein said base or precursor thereof is present in an amount of not more than 50% by weight based on the total solid content of the light-sensitive layer.
Claim 16
Dependent Claim 21 words
A light-sensitive material as in claim 8, wherein said conductive layer has a volume resistivity of from 0.01 to 10 Qcm.
Claim 17
Dependent Claim 18 words
A light-sensitive material as in claim 8, wherein said conductive layer contains carbon black as a conductive material.
Claim 18
Dependent Claim 136 words
An image recording method which comprises imagewise exposing a light-sensitive material comprising a support having provided thereon a light-sensitive layer containing at least a light-sensitive silver halide, a reducing agent, a polymerizable compound, and a color image forming substance, wherein at least said polymerizable compound and said color image forming substance are encapsulated in the same microcapsules, to form a latent image, heating the light-sensitive material either simultaneously with or after the imagewise exposure to polymerize the polymerizable compound, to thereby cure the microcapsules, and pressing the light-sensitive material in contact with an image-receiving material to which said color image forming substance can be transferred, to rupture at least part of the microcapsules in the area wherein said polymerizable compound has not been polymerized, to thereby transfer said color image forming substance to said image-receiving material.
Claim 19
Dependent Claim 136 words
An image recording method which comprises imagewise exposing a light-sensitive material comprising a support having provided thereon a light-sensitive layer containing at least a light-sensitive silver halide, a reducing agent, a polymerizable compound, and a color image forming substance, wherein at least said polymerizable compound and said color image forming substance are encapsulated in the same microcapsules, to form a latent image, heating the light-sensitive material either simultaneously with or after the imagewise exposure to polymerize the polymerizable compound, to thereby cure the microcapsules, and pressing the light-sensitive material in contact with an image-receiving material to which said color image forming substance can be transferred, to rupture at least part of the microcapsules in the area wherein said polymerizable compound has not been polymerized, to thereby transfer said color image forming substance to said image-receiving material.
Claim 20
Dependent Claim 19 words
An image recording-method as in claim 17, wherein said color image forming substance is a dye or a pigment.
Claim 21
Dependent Claim 25 words
An image recording method as in claim 17, wherein said color image forming substance is a color former and said image-receiving material contains a developer.
Claim 22
Dependent Claim 22 words
An image recording method as in claim 17, wherein said heating is carried out at a temperature of from 80 to 200°C.
Claim 23
Dependent Claim 25 words
An image recording method as in claim 17, wherein said pressing is carried out under a pressure of not less than 10 kg/cm 2 .

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