GB1051413A - - Google Patents

Info

Publication number
GB1051413A
GB1051413A GB1051413DA GB1051413A GB 1051413 A GB1051413 A GB 1051413A GB 1051413D A GB1051413D A GB 1051413DA GB 1051413 A GB1051413 A GB 1051413A
Authority
GB
United Kingdom
Prior art keywords
polyester
powder
aliphatic
image
layer
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.)
Active
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 of GB1051413A publication Critical patent/GB1051413A/en
Active legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/382—Contact thermal transfer or sublimation processes
    • B41M5/38235—Contact thermal transfer or sublimation processes characterised by transferable colour-forming materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00—Duplicating or marking methods; Sheet materials for use therein
    • B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
    • B41M5/398—Processes based on the production of stickiness patterns using powders

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Thermal Transfer Or Thermal Recording In General (AREA)

Abstract

1,051,413. Thermographic processes. GEVAERT PHOTO-PRODUCTION N. V. Feb.7, 1964 [Feb.7, 1963], No. 5330/64. Heading G2C. A thermographic process comprises imagewise exposing a polyester layer to heat which softens the layer which can be developed by applying a powder which adheres to the latent image areas; the crystalline polyester being either (i) a polyester of an aliphatic dicarboxylic acid with an aliphatic and/or cycloaliphatic diol or (ii) a polyester of an aliphatic and an aromatic dicarboxylic acid with an aliphatic and/or a cycloaliphatic diol. The polyester preferably melts between 40 degrees and 160‹C with a melting range of 25‹C. The developing powder may be coloured metal or glass granules, powders which react with a compound in the polyester layer (e. g. gallic acid and ferric compounds or an oxidant and a leuco base), capsules containing liquids, pastes, magnetic powders and dyed thermoplastics. Where necessary, the powder image may be fixed by heat and/or pressure. In the examples, a polyester layer of polyethylene sebacate, polyethylene adipate or polyethylene sebacate/iso-or tere-phthalate is coated on a paper support and image-wise exposed and developed with a powder. The powder image may be transferred to a transparent receptor sheet and used as a transparency in a diazotype process.
GB1051413D 1963-02-07 Active GB1051413A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE2042315 1963-02-07

Publications (1)

Publication Number Publication Date
GB1051413A true GB1051413A (en)

Family

ID=3864791

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1051413D Active GB1051413A (en) 1963-02-07

Country Status (2)

Country Link
BE (1) BE628105A (en)
GB (1) GB1051413A (en)

Also Published As

Publication number Publication date
BE628105A (en)

Similar Documents

Publication Publication Date Title
US4082901A (en) Thermographic material
US3764329A (en) Heat activated dry silver
GB866076A (en) Heat-sensitive copying paper
GB997361A (en) Heat-sensitive copy sheets
GB1451671A (en) Sheet material for use in image transfer processex
GB804971A (en) Improvements in or relating to photography
US3996397A (en) Thermographic recording process
GB1227201A (en)
GB1038337A (en) Improvements in light-sensitive photothermographic materials
US3585028A (en) Diffusion transfer color products and processes simultaneously utilizing exposed and unexposed silver halides
GB966694A (en) The production of copies of graphic originals by successive exposures to light and to heat producing radiation
GB1044364A (en) Method for the production of thermographic copies
GB1051413A (en)
GB1152832A (en) A process for producing Reproductions
GB998040A (en) Electrostatographic films
GB1030688A (en) Method of forming a vesicular image
US3450531A (en) Adhesive imaging on photochromic layers
US3363556A (en) Electrophotographic imaging and copying process
GB1338604A (en) Heat-developable recording process and photosensitive recording materials for use therefor
US2940866A (en) Heat sensitive copy sheet
US3409438A (en) Photosensitive heat developable copysheet
GB1480370A (en) Diffusion-transfer colour photographic silver halide film unit
GB1031073A (en) Thermographic copying process and material
US3764333A (en) Thermographic copy sheet containing 2-phenyl 1,3-indanedione
GB1338427A (en) Light-sensitive material containing developers and a process for the production of photographic images using such materials