GB944941A - - Google Patents

Info

Publication number
GB944941A
GB944941A GB944941DA GB944941A GB 944941 A GB944941 A GB 944941A GB 944941D A GB944941D A GB 944941DA GB 944941 A GB944941 A GB 944941A
Authority
GB
United Kingdom
Prior art keywords
film
image
photoconductive
base
lead
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication date
Publication of GB944941A publication Critical patent/GB944941A/en
Priority claimed from AU43378/58A external-priority patent/AU239264B2/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G13/00—Electrographic processes using a charge pattern
    • G03G13/22—Processes involving a combination of more than one step according to groups G03G13/02 - G03G13/20
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/02—Charge-receiving layers
    • G03G5/04—Photoconductive layers; Charge-generation layers or charge-transporting layers; Additives therefor; Binders therefor
    • G03G5/05—Organic bonding materials; Methods for coating a substrate with a photoconductive layer; Inert supplements for use in photoconductive layers
    • G03G5/0528—Macromolecular bonding materials
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/10—Bases for charge-receiving or other layers
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G5/00—Recording members for original recording by exposure, e.g. to light, to heat, to electrons; Manufacture thereof; Selection of materials therefor
    • G03G5/14—Inert intermediate or cover layers for charge-receiving layers
    • G03G5/142—Inert intermediate layers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photoreceptors In Electrophotography (AREA)

Abstract

944,941. Electrophotography. PHOTOSTATIC ENTERPRISES Ltd. Nov. 16, 1959 [Nov. 17, 1958], No.38821/59. Drawings to Specification. Heading G2H. [Also in Divisions B5, B8 and H1] A transferable film bearing an electrophotographically-produced visible image, e.g. a label, is produced by coating a base with a temporarybond coating, which is such as to allow a charge to leak away, applying over this a photoconductive insulating film, and, after forming electrophotographically an electrostatic pattern on the photoconductive film, developing the pattern with a developer carrying a pigment substance, and finally stripping the image-bearing film from the base by destroying the temporary bond. By repeating the image-forming and developing steps multicolour images may be obtained. Before or after stripping the photoconductive film bearing the developed image from the base a sealing layer may be applied over the image-bearing film. The base may be of aluminium foil with or without a paper backing, metal, plastic, glass, wood, paper, hardboard or cloth; the temporary adhesive may be animal glue, natural gums and resins, polystyrene, waxes, mineral oil, animal or vegetable fats, greases or oils; and the photoconductive insulating film may be of lead, lead oxide, lead iodide, cadmium selenide, bismuth trioxide, zinc oxide or selenium particles dispersed in a film-forming binder comprising cellulose or cellulose esters or natural or synthetic gums or resins, especially alkyd, silicone, or epoxy resins. The photoconductive film may contain also lead or cobalt naphthenate driers and may also include rutile as an opacifying pigment. The developer may comprise a pigment such as carbon, carbon black, cadmium selenide or cobalt oxide, an alkyd or silicone resin, and cobalt and lead naphthenate driers ball-milled to form a pigment-in-resin dispersion which is itself then dispersed in an insulating liquid such as petroleum solvents, n-pentane, cyclohexane, and fluorochloro-ethanes or -methanes. The sealing layer may be an unpigmented layer of the filmforming synthetic resins specified for the photoconductive film, and may be a preformed layer secured by an adhesive over the image. The image-bearing film may be secured to any desired surface such as a preserving can by applying an adhesive to the surface of the photoconductive film from which the base has been stripped.
GB944941D 1958-11-17 Expired GB944941A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AU43378/58A AU239264B2 (en) 1958-11-17 Production of transfers or films

Publications (1)

Publication Number Publication Date
GB944941A true GB944941A (en) 1900-01-01

Family

ID=3730623

Family Applications (1)

Application Number Title Priority Date Filing Date
GB944941D Expired GB944941A (en) 1958-11-17

Country Status (3)

Country Link
CH (1) CH393377A (en)
FR (1) FR1246963A (en)
GB (1) GB944941A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2392422A1 (en) * 1977-05-25 1978-12-22 Eastman Kodak Co ELECTROPHOTOGRAPHIC PRODUCT INCLUDING AN ORGANIC PHOTOCONDUCTOR
EP0000582A2 (en) * 1977-07-29 1979-02-07 Hoechst Aktiengesellschaft Electrophotographic recording material
US5601959A (en) * 1993-09-03 1997-02-11 Rexam Graphics, Inc. Direct transfer electrographic imaging element and process

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2184556B (en) * 1985-12-24 1990-04-04 Sanyo Kokusaku Pulp Co Process for producing images for overhead projection

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2392422A1 (en) * 1977-05-25 1978-12-22 Eastman Kodak Co ELECTROPHOTOGRAPHIC PRODUCT INCLUDING AN ORGANIC PHOTOCONDUCTOR
EP0000582A2 (en) * 1977-07-29 1979-02-07 Hoechst Aktiengesellschaft Electrophotographic recording material
EP0000582A3 (en) * 1977-07-29 1979-02-21 Hoechst Aktiengesellschaft Electrophotographic recording material
US5601959A (en) * 1993-09-03 1997-02-11 Rexam Graphics, Inc. Direct transfer electrographic imaging element and process
US5789134A (en) * 1993-09-03 1998-08-04 Rexam Graphics, Inc. Direct transfer electrographic imaging element and process

Also Published As

Publication number Publication date
CH393377A (en) 1965-06-15
FR1246963A (en) 1960-11-25

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