GB965148A - A process for the production of silver halide emulsions - Google Patents

A process for the production of silver halide emulsions

Info

Publication number
GB965148A
GB965148A GB40268/62A GB4026862A GB965148A GB 965148 A GB965148 A GB 965148A GB 40268/62 A GB40268/62 A GB 40268/62A GB 4026862 A GB4026862 A GB 4026862A GB 965148 A GB965148 A GB 965148A
Authority
GB
United Kingdom
Prior art keywords
poly
production
silver halide
halide emulsions
sulphonating
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
GB40268/62A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Agfa Gevaert NV
Original Assignee
Agfa AG
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.)
Filing date
Publication date
Application filed by Agfa AG filed Critical Agfa AG
Publication of GB965148A publication Critical patent/GB965148A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/34—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from hydroxy compounds or their metallic derivatives
    • C08G65/48—Polymers modified by chemical after-treatment
    • C08G65/485—Polyphenylene oxides
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S525/905—Polyphenylene oxide

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Colloid Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polyethers (AREA)

Abstract

Water-soluble sulphonated poly-1,4-phenylene oxides are obtained by sulphonating polyphenylene oxides of molecular weight 1,000 to 30,000 with the addition compound of sulphur trioxide and 2,2-dichloro-diethyl ether in ethylene chloride. Examples are given of the sulphonation of poly-1,4-phenylene oxide itself and of poly-2, 6-dimethyl or diethyl-1, 4-phenylene oxide. Reference also is made to the use of other sulphonating agents such as chloro sulphonic acid.
GB40268/62A 1961-10-25 1962-10-24 A process for the production of silver halide emulsions Expired GB965148A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA38652A DE1147481B (en) 1961-10-25 1961-10-25 Process for the production of photographic, gelatin-containing halogen silver emulsions by precipitating the gelatin and the halogen silver

Publications (1)

Publication Number Publication Date
GB965148A true GB965148A (en) 1964-07-29

Family

ID=6930924

Family Applications (1)

Application Number Title Priority Date Filing Date
GB40268/62A Expired GB965148A (en) 1961-10-25 1962-10-24 A process for the production of silver halide emulsions

Country Status (5)

Country Link
US (1) US3137576A (en)
BE (1) BE624053A (en)
CH (1) CH418125A (en)
DE (1) DE1147481B (en)
GB (1) GB965148A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3259592A (en) * 1961-11-29 1966-07-05 Gen Electric Sulfonated polyphenylene ether cation exchange resin
US3259520A (en) * 1963-10-09 1966-07-05 Gen Electric Antistatic compositions derived from polyphenylene oxides
US3302716A (en) * 1966-03-25 1967-02-07 Mobil Oil Corp Method and composition to reduce filters loss of fluids employed in wells
US3620752A (en) * 1969-03-12 1971-11-16 Tatsuro Matsuo Precipitating silver halide in 0.5 to 3 percent weight aqueous gelatin solution
US3877944A (en) * 1971-11-24 1975-04-15 Agfa Gevaert Ag Photographic silver salt emulsions comprising polymers with disulfonimide groups
JPS5235624A (en) * 1975-09-16 1977-03-18 Fuji Photo Film Co Ltd Setting agent for photographic emulsion
US6004740A (en) * 1997-08-28 1999-12-21 Eastman Kodak Company Water-soluble non-interactive carboxyl polymers for desalting and concentrating silver halide photographic emulsions
US5994049A (en) * 1997-08-28 1999-11-30 Eastman Kodak Company Water-soluble non-interactive polymers and surfactant micelles for desalting and concentrating silver halide photographic emulsions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE528741A (en) * 1953-05-11
US2863769A (en) * 1954-09-03 1958-12-09 Du Pont Process of preparing silver halide dispersions

Also Published As

Publication number Publication date
CH418125A (en) 1966-07-31
US3137576A (en) 1964-06-16
DE1147481B (en) 1963-04-18
BE624053A (en)

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