GB1431245A - Process for hardening photographic gelatin - Google Patents
Process for hardening photographic gelatinInfo
- Publication number
- GB1431245A GB1431245A GB2479774A GB2479774A GB1431245A GB 1431245 A GB1431245 A GB 1431245A GB 2479774 A GB2479774 A GB 2479774A GB 2479774 A GB2479774 A GB 2479774A GB 1431245 A GB1431245 A GB 1431245A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gelatin
- viscosity
- thickener
- copolymer
- hardening
- 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
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
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/06—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with non-macromolecular additives
- G03C1/30—Hardeners
-
- 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
- G03C1/00—Photosensitive materials
- G03C1/005—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein
- G03C1/04—Silver halide emulsions; Preparation thereof; Physical treatment thereof; Incorporation of additives therein with macromolecular additives; with layer-forming substances
- G03C1/053—Polymers obtained by reactions involving only carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Silver Salt Photography Or Processing Solution Therefor (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Paints Or Removers (AREA)
Abstract
1431245 Hardening gelatin FUJI PHOTO FILM CO Ltd 4 June 1974 [7 June 1973] 24797/74 Heading G2C A process of hardening gelatin comprises incorporating a hardener for gelatin into a composition containing (i) gelatin, (ii) a copolymer of acrylic or methacrylic acid or a salt thereof and optionally substituted acrylamide and (iii) a thickener which increases the viscosity of the composition. The copolymer may be derived from sodium, potassium, lithium, ammonium or ethanolamine salts of the acrylic or methacrylic acids and may contain up to 5 mol % of units derived from another monomer. Preferably it has a limiting viscosity of 0.3 to 6.0 at 30C in 1% aqueous sodium chloride solution. The thickener is a high molecular weight compound which increases the viscosity of a gelatin coating composition to a viscosity of 30 to 100 centipoises at 40C when the amount of the thickener is 0.001 to 0.5 parts by weight per part by weight of gelatin. Suitable thickeners are hydroxyethyl cellulose, hydroxypropyl cellulose, a copolymer of methylvinyl ether and maleic anhydride or those disclosed in Specifications 630016, 632174 or 676459 or a poly (p-vinylbenzene) sulphonic acid.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP48064041A JPS5013447A (en) | 1973-06-07 | 1973-06-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1431245A true GB1431245A (en) | 1976-04-07 |
Family
ID=13246620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2479774A Expired GB1431245A (en) | 1973-06-07 | 1974-06-04 | Process for hardening photographic gelatin |
Country Status (4)
Country | Link |
---|---|
US (1) | US3926869A (en) |
JP (1) | JPS5013447A (en) |
DE (1) | DE2427297A1 (en) |
GB (1) | GB1431245A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4166050A (en) | 1975-12-01 | 1979-08-28 | Fuji Photo Film Co., Ltd. | Method of increasing the viscosity of photographic coating solutions |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2508279C2 (en) * | 1975-02-26 | 1982-09-30 | Agfa-Gevaert Ag, 5090 Leverkusen | Silver halide photographic emulsion |
US4201840A (en) * | 1977-10-06 | 1980-05-06 | Eastman Kodak Company | Photographic film units containing a polymeric mordant which covalently bonds with certain dyes |
US4193795A (en) * | 1977-10-06 | 1980-03-18 | Eastman Kodak Company | Photographic film units containing a polymeric mordant which covalently bonds with certain dyes |
JPS54132365A (en) * | 1978-04-04 | 1979-10-15 | Toshiba Corp | Device for operating washing machine |
JPS54147414A (en) * | 1978-05-10 | 1979-11-17 | Sanyo Electric Co Ltd | Rotation controller for motor |
JPS5952417B2 (en) * | 1979-06-22 | 1984-12-19 | 富士写真フイルム株式会社 | Silver halide photographic material |
JPS56121590A (en) * | 1980-02-27 | 1981-09-24 | Matsushita Electric Ind Co Ltd | Controller for revolution of motor of washing machine |
JPS5780451A (en) * | 1980-11-10 | 1982-05-20 | Fuji Photo Film Co Ltd | Hardening of gelatin |
GB2090991A (en) * | 1981-01-02 | 1982-07-21 | Eastman Kodak Co | A Method of Retarding Microspot-defect Formation in a Silver image |
US4590151A (en) * | 1982-11-29 | 1986-05-20 | Eastman Kodak Company | Reduction of reticulation in gelatin-containing elements |
JPS6169061A (en) * | 1984-09-12 | 1986-04-09 | Fuji Photo Film Co Ltd | Silver halide photosensitive material |
JPH0782218B2 (en) * | 1985-04-01 | 1995-09-06 | 富士写真フイルム株式会社 | Silver halide photographic light-sensitive material and ultrahigh contrast negative image forming method using the same |
JPH0648351B2 (en) * | 1986-03-19 | 1994-06-22 | 富士写真フイルム株式会社 | Method for producing silver halide photographic light-sensitive material |
JPH0766160B2 (en) * | 1986-03-25 | 1995-07-19 | 富士写真フイルム株式会社 | Ultra-high contrast negative photographic material |
JP2640236B2 (en) * | 1987-12-11 | 1997-08-13 | 富士写真フイルム株式会社 | Silver halide color photographic materials |
GB8911859D0 (en) * | 1989-05-23 | 1989-07-12 | Ilford Ltd | Polymer particles |
WO1992011570A1 (en) * | 1990-12-20 | 1992-07-09 | Eastman Kodak Company | Thickener for delivery of photographic emulsions |
JPH05297514A (en) * | 1992-04-20 | 1993-11-12 | Konica Corp | Silver halide photographic sensitive material |
US5547832A (en) * | 1992-07-07 | 1996-08-20 | Eastman Kodak Company | Method for hardening photographic materials |
EP0597289B1 (en) * | 1992-11-12 | 1997-03-12 | Eastman Kodak Company | Photographic composition containing a thickening agent |
US5610002A (en) * | 1992-11-12 | 1997-03-11 | Eastman Kodak Company | Photographic composition containing a thickening agent |
US6833488B2 (en) | 2001-03-30 | 2004-12-21 | Exotech Bio Solution Ltd. | Biocompatible, biodegradable, water-absorbent material and methods for its preparation |
JP2007528918A (en) * | 2004-03-02 | 2007-10-18 | エグゾテック バイオ ソルーションズ リミテッド | Biocompatible biodegradable water-absorbing hybrid material |
WO2007115165A2 (en) * | 2006-03-30 | 2007-10-11 | Gelesis, Inc. | Styrene-maleic anhydride copolymers for bioapplications and their preparation |
US11552297B2 (en) * | 2014-06-04 | 2023-01-10 | Zeon Corporation | Binder composition for lithium ion secondary battery electrode-use, slurry composition for lithium ion secondary battery electrode-use, electrode for lithium ion secondary battery-use, and lithium ion secondary battery |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE468665A (en) * | 1945-10-16 | |||
US2486192A (en) * | 1947-02-08 | 1949-10-25 | Eastman Kodak Co | Gel-type imidized polyacrylamide |
NL290893A (en) * | 1962-03-29 | |||
US3628957A (en) * | 1966-03-22 | 1971-12-21 | Ferrania Spa | Gelatino-silver halide emulsions containing water-soluble acrylamide copolymers |
JPS4921655B1 (en) * | 1970-11-09 | 1974-06-03 |
-
1973
- 1973-06-07 JP JP48064041A patent/JPS5013447A/ja active Pending
-
1974
- 1974-06-04 GB GB2479774A patent/GB1431245A/en not_active Expired
- 1974-06-06 DE DE19742427297 patent/DE2427297A1/en active Pending
- 1974-06-07 US US477236A patent/US3926869A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4166050A (en) | 1975-12-01 | 1979-08-28 | Fuji Photo Film Co., Ltd. | Method of increasing the viscosity of photographic coating solutions |
Also Published As
Publication number | Publication date |
---|---|
US3926869A (en) | 1975-12-16 |
JPS5013447A (en) | 1975-02-12 |
DE2427297A1 (en) | 1975-01-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |