US3257206A - Photographic material - Google Patents
Photographic material Download PDFInfo
- Publication number
- US3257206A US3257206A US228001A US22800162A US3257206A US 3257206 A US3257206 A US 3257206A US 228001 A US228001 A US 228001A US 22800162 A US22800162 A US 22800162A US 3257206 A US3257206 A US 3257206A
- Authority
- US
- United States
- Prior art keywords
- image
- silver
- layer
- receiving
- support
- 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 - Lifetime
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03C—PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
- G03C8/00—Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
- G03C8/24—Photosensitive materials characterised by the image-receiving section
- G03C8/26—Image-receiving layers
- G03C8/28—Image-receiving layers containing development nuclei or compounds forming such nuclei
Definitions
- This invention relates to an improved material for being applied in the silver complexdiifusion transfer process and to a process wherein this material is used.
- the rapidity of the deposition of the silver and consequently the density of the diffusion transfer image depend to a high degree on the nature and concentration of the developing nuclei used.
- Any water-permeable layer which enables the diffusing complexed silver halide to penetrate into the image-receiving material and which makes it possible'to obtain a good separation between the image-receiving material and the light-sensitive material after the formation of the diffusion transfer image, can be used as water-permeable covering layer.
- Suitable covering layers are among others described in the French patent specifications 1,304,279 and 1,304,280.
- Colloidal silica used in the material and the process according to the present invention is, e.g., Santocel C (tradename of Monsanto Chemical Company, St. Louis, Mo., USA.) and dispersions of hydrated silica are, e.g., Ludox LS (tradename of E. I. du Pont de Nemours &'Co. (Inc) Wilmington, Del, U.S.A., for a 30% aqueous dispersion of silica) and Syton 2X (tradename of Monsanto Chemical Company, St.
- silica compositions can be dispersed in the coating composition of the water-permeable layer in an amount mostly varying from 5 to 50 g. per liter. More details about the thickness of a water-permeable covering layer are United States Patent 0 given in the patent specifications dealing with such covering layers, among others the two above mentioned French patent specifications.
- the image-receiving material may consist of a support or of a support'carrying a water-permeable colloid layer which contains developing nuclei for complexed silver halide. Physical as well as chemical developing nuclei are suited.
- Developing nuclei suitable for promoting the formation of the silver-containing image in the image-receiving layer are the sulfides of heavy metals, e.g., antimony, bismuth, cadmium, cobalt, nickel, iron, tin, thallium, copper, lead, silver and zinc.
- the selenides, polysulfides, polyselenides, mercaptans, stannous halides, heavy metals or their salts and fogged silver halide are also suited for this purpose.
- the complex salts oflead sulfide and zinc sulfide either in themselves or mixed with thioacetamide, dithiobiuret or dithio-oxamide are especially effective.
- the heavy metals silver, gold, platinum, paladium and mercury are particularly worthy of mention, especially in their colloidal form. The noble metals among them are the most active.
- These developing nuclei for silver can be incorporated in the support material itself or they can be applied onto a suitable support such as paper, from solutions or dispersions of such developing nuclei in a colloid medium such as gelatin.
- the image-receiving layer and/or the hydrophilic covering layer can still contain all kinds of other ingredients such as'developing substances, complexing agents for silver halide, optical bleaching agents, softening agents, black-toning agents etc.
- Suitable black-toning agents are described in the Belgian patent specification 605,802, the French patent specifications 1,305,068 and 1,140,526 and the United States patent specification 2,699,393.
- any silver halide emulsion is suited for being used in combination with the image-receiving material according to this invention.
- Silver chloride emulsions which'may also contain silver bromide or silver iodide or to which some ingredients may be added so as to impart the desired emulsion characteristics are preferably used.
- Some materials playing a part in the diffusion transfer image formation may also be incorporated in the light-sensitive material.
- the composition of the developing liquid is the one usually used in the silver complex diffusion transfer proc- I ess: it contains among others the ingredients necessary for the development of the exposed silver halide such as hydroquinone and 1-phenyl-3-pyrazolidone, a complcxing agent for silver halide etc. Some of these ingredients can be wholly or partially incorporated in the light-sensitive or image-receiving material.
- Example I A receiving layer is coated onto a paper support of 90 g./ sq. m. from a suspension of the following composition:
- the obtained image-receiving material is dried and together with an image-wise exposed silver chloride emulsion material containing 1.3 ig. of silver chloride per sq. m. passed through a developing bath of the following composition:
- image-receiving material and the light-sensitive material are separated.
- Example 2 A receiving layer is coated onto a paper support of 90 g./ sq. m. from a suspension of the following composition:
- a photographic image-receiving material for forming prints thereon according to the silver complex diffusion transfer process by precipitating the silver of image-wise distributed soluble silver complexes of an exposed photosensitive element including a support and a silver halide emulsion layer, brought into contact therewith, said material comprising a support, a water-permeable imagereceiving layer containing development nuclei and a hydrophilic, water-permeable surface layer on said image receiving layer, said surf-ace layer containing colloidal silica and being free of silver precipitating agent.
- a process of forming transfer images comprising the steps of exposing a light-sensitive material comprising a support and a silver halide emulsion layer, contacting said exposed material With an image-receiving material comprising a support, a water-permeable image-receiving layer containing development nuclei and a hydrophilic Waterperrneable surface layer on said image-receiving layer, said surface layer containing colloidal silica and being free of silver precipitating agent, separating the lightsensitive material from the image-receiving material containing the transfer image, the transfer being effected in the presence of a developing substance and a solvent for silver halide.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Thermal Transfer Or Thermal Recording In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE2041010 | 1961-10-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3257206A true US3257206A (en) | 1966-06-21 |
Family
ID=3864753
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US228001A Expired - Lifetime US3257206A (en) | 1961-10-04 | 1962-10-03 | Photographic material |
Country Status (7)
Country | Link |
---|---|
US (1) | US3257206A (fr) |
BE (1) | BE608794A (fr) |
CH (1) | CH424473A (fr) |
DE (1) | DE1157480B (fr) |
GB (1) | GB1024794A (fr) |
NL (2) | NL269904A (fr) |
SE (1) | SE306012B (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3518160A (en) * | 1968-02-16 | 1970-06-30 | Eastman Kodak Co | Chemical transfer receiving sheets and a method of preparing such sheets |
US3874944A (en) * | 1969-12-31 | 1975-04-01 | Polaroid Corp | Diffusion transfer processes employing permanent laminate film units |
EP0584407A1 (fr) * | 1992-08-27 | 1994-03-02 | Agfa-Gevaert N.V. | Matériau récepteur d'image pour utilisation dans un procédé de diffusion transfert de sel d'argent |
WO2013146355A1 (fr) | 2012-03-29 | 2013-10-03 | 富士フイルム株式会社 | Matériau de protection contre les rayons de chaleur et structure laminée |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE597904A (fr) * | ||||
US2563342A (en) * | 1947-01-28 | 1951-08-07 | Polaroid Corp | Photographic product and process |
US2653527A (en) * | 1947-02-19 | 1953-09-29 | Polaroid Corp | Process for treating photosensitive materials by spreading thereon a layer of processing liquid and apparatus for performing said process |
US2686716A (en) * | 1949-04-16 | 1954-08-17 | Polaroid Corp | Photographic product comprising a sheet support and means for collecting liquid spread upon said support in excess of that required to cover a predetermined area of the support |
US2698237A (en) * | 1954-08-16 | 1954-12-28 | Polaroid Corp | Photographic silver halide transfer product and process |
US2834676A (en) * | 1955-07-19 | 1958-05-13 | Sperry Rand Corp | Photographic diffusion transfer process for producing multiple direct positive copies |
US2878121A (en) * | 1954-11-15 | 1959-03-17 | Du Pont | Photographic elements and processes |
GB874046A (en) * | 1958-05-12 | 1961-08-02 | Polaroid Corp | Photographic transfer processes and products for use in such processes |
-
0
- NL NL109230D patent/NL109230C/xx active
- NL NL269904D patent/NL269904A/xx unknown
- BE BE608794D patent/BE608794A/xx unknown
-
1962
- 1962-10-01 CH CH1153062A patent/CH424473A/fr unknown
- 1962-10-02 DE DEG36060A patent/DE1157480B/de active Pending
- 1962-10-03 US US228001A patent/US3257206A/en not_active Expired - Lifetime
- 1962-10-03 SE SE10614/62A patent/SE306012B/xx unknown
- 1962-10-04 GB GB37594/62A patent/GB1024794A/en not_active Expired
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE597904A (fr) * | ||||
US2563342A (en) * | 1947-01-28 | 1951-08-07 | Polaroid Corp | Photographic product and process |
US2653527A (en) * | 1947-02-19 | 1953-09-29 | Polaroid Corp | Process for treating photosensitive materials by spreading thereon a layer of processing liquid and apparatus for performing said process |
US2686716A (en) * | 1949-04-16 | 1954-08-17 | Polaroid Corp | Photographic product comprising a sheet support and means for collecting liquid spread upon said support in excess of that required to cover a predetermined area of the support |
US2698237A (en) * | 1954-08-16 | 1954-12-28 | Polaroid Corp | Photographic silver halide transfer product and process |
US2878121A (en) * | 1954-11-15 | 1959-03-17 | Du Pont | Photographic elements and processes |
US2834676A (en) * | 1955-07-19 | 1958-05-13 | Sperry Rand Corp | Photographic diffusion transfer process for producing multiple direct positive copies |
GB874046A (en) * | 1958-05-12 | 1961-08-02 | Polaroid Corp | Photographic transfer processes and products for use in such processes |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3518160A (en) * | 1968-02-16 | 1970-06-30 | Eastman Kodak Co | Chemical transfer receiving sheets and a method of preparing such sheets |
US3874944A (en) * | 1969-12-31 | 1975-04-01 | Polaroid Corp | Diffusion transfer processes employing permanent laminate film units |
EP0584407A1 (fr) * | 1992-08-27 | 1994-03-02 | Agfa-Gevaert N.V. | Matériau récepteur d'image pour utilisation dans un procédé de diffusion transfert de sel d'argent |
WO2013146355A1 (fr) | 2012-03-29 | 2013-10-03 | 富士フイルム株式会社 | Matériau de protection contre les rayons de chaleur et structure laminée |
Also Published As
Publication number | Publication date |
---|---|
DE1157480B (de) | 1963-11-14 |
SE306012B (fr) | 1968-11-11 |
GB1024794A (en) | 1966-04-06 |
NL269904A (fr) | |
CH424473A (fr) | 1966-11-15 |
BE608794A (fr) | |
NL109230C (fr) |
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