GB852141A - Improvements in or relating to photographic antihalation and protective layers - Google Patents

Improvements in or relating to photographic antihalation and protective layers

Info

Publication number
GB852141A
GB852141A GB36628/57A GB3662857A GB852141A GB 852141 A GB852141 A GB 852141A GB 36628/57 A GB36628/57 A GB 36628/57A GB 3662857 A GB3662857 A GB 3662857A GB 852141 A GB852141 A GB 852141A
Authority
GB
United Kingdom
Prior art keywords
protective layers
copolymer
relating
washing
maleic anhydride
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
GB36628/57A
Inventor
Rene Maurice Hart
Laurent Pierre Roosens
Jacques Rene Troquet
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.)
Gevaert Photo Producten NV
Original Assignee
Gevaert Photo Producten NV
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 Gevaert Photo Producten NV filed Critical Gevaert Photo Producten NV
Publication of GB852141A publication Critical patent/GB852141A/en
Expired legal-status Critical Current

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
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/825—Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
    • G03C1/835—Macromolecular substances therefor, e.g. mordants
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
    • 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
    • G03C1/76—Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/7614—Cover layers; Backing layers; Base or auxiliary layers characterised by means for lubricating, for rendering anti-abrasive or for preventing adhesion
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F2800/00—Copolymer characterised by the proportions of the comonomers expressed
    • C08F2800/20—Copolymer characterised by the proportions of the comonomers expressed as weight or mass percentages
    • 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
    • Y10S430/00—Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/156—Precursor compound
    • Y10S430/16—Blocked developers

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Silver Salt Photography Or Processing Solution Therefor (AREA)

Abstract

Nitrated styrene-maleic anhydride copolymer described for use in making photographic protective layers is made by heating the monomers in toluene in the presence of azobisisobutyronitrile as initiator using highly purified styrene, filtering, washing the copolymer with hexane, nitrating at fairly low temperatures using fuming nitric acid in two preparations and mixed acid in a third, precipitating the product into water, washing it with further water and drying under vacuum. The effect of the treatment with nitric acid is to nitrate the benzene nuclei and hydrolyse the maleic anhydride units in the copolymer.
GB36628/57A 1956-11-26 1957-11-25 Improvements in or relating to photographic antihalation and protective layers Expired GB852141A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE852141X 1956-11-26

Publications (1)

Publication Number Publication Date
GB852141A true GB852141A (en) 1960-10-26

Family

ID=3882142

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36628/57A Expired GB852141A (en) 1956-11-26 1957-11-25 Improvements in or relating to photographic antihalation and protective layers

Country Status (5)

Country Link
US (1) US2984568A (en)
BE (1) BE552915A (en)
DE (1) DE1071477B (en)
FR (1) FR1190631A (en)
GB (1) GB852141A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485632A (en) * 1965-12-10 1969-12-23 Agfa Gevaert Ag Photographic material containing antihalation or filter dye layer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1172999A (en) * 1966-10-04 1969-12-03 Agfa Gevaert Nv Process for reducing the Tendency to Elactrostatic Charging of Photographic Material
DE3827245A1 (en) * 1988-08-11 1990-02-15 Hoechst Ag PHOTOPOLYMERIZABLE RECORDING MATERIAL

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE408647A (en) * 1932-03-02
GB466879A (en) * 1935-08-22 1937-06-07 Ig Farbenindustrie Ag Improvements relating to photographic materials
US2274551A (en) * 1939-06-30 1942-02-24 Eastman Kodak Co Derivatives of resins and their preparation
BE523920A (en) * 1952-10-31
US2748029A (en) * 1953-04-27 1956-05-29 Eastman Kodak Co Tub sizing of paper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485632A (en) * 1965-12-10 1969-12-23 Agfa Gevaert Ag Photographic material containing antihalation or filter dye layer

Also Published As

Publication number Publication date
BE552915A (en)
DE1071477B (en)
FR1190631A (en) 1959-10-14
US2984568A (en) 1961-05-16

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