FR2263042A1 - Optical brightener-contg. (photographic) layers - applied as latex from aq. polymerisation of monomer contg. water-insoluble brightener - Google Patents

Optical brightener-contg. (photographic) layers - applied as latex from aq. polymerisation of monomer contg. water-insoluble brightener

Info

Publication number
FR2263042A1
FR2263042A1 FR7506600A FR7506600A FR2263042A1 FR 2263042 A1 FR2263042 A1 FR 2263042A1 FR 7506600 A FR7506600 A FR 7506600A FR 7506600 A FR7506600 A FR 7506600A FR 2263042 A1 FR2263042 A1 FR 2263042A1
Authority
FR
France
Prior art keywords
contg
optical brightener
brightener
latex
water
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.)
Granted
Application number
FR7506600A
Other languages
French (fr)
Other versions
FR2263042B1 (en
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.)
Novartis AG
Original Assignee
Ciba Geigy 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 Ciba Geigy AG filed Critical Ciba Geigy AG
Publication of FR2263042A1 publication Critical patent/FR2263042A1/en
Application granted granted Critical
Publication of FR2263042B1 publication Critical patent/FR2263042B1/fr
Granted 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
    • G03C1/815—Photosensitive materials characterised by the base or auxiliary layers characterised by means for filtering or absorbing ultraviolet light, e.g. optical bleaching

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Polymerisation Methods In General (AREA)
  • Paints Or Removers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Laminated Bodies (AREA)

Abstract

Supported optical brightener-contg. layer is produced by dissolving a water-insoluble optical brightener in at least one liq. alpha,beta-unsatd. monomer; polymerising the monomer prepn. in water and in the presence of an anionic dispersant to form a latex; and applying a layer consisting of or contg. this latex, pref. mixed with colloid, on a substrate. The method is used in the prodn. of optically brightened photographic materials. The optical brightener is built into layers and less optical brightener is needed compared with application from a solvent.
FR7506600A 1974-03-06 1975-03-03 Optical brightener-contg. (photographic) layers - applied as latex from aq. polymerisation of monomer contg. water-insoluble brightener Granted FR2263042A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB997374 1974-03-06

Publications (2)

Publication Number Publication Date
FR2263042A1 true FR2263042A1 (en) 1975-10-03
FR2263042B1 FR2263042B1 (en) 1977-04-15

Family

ID=9882186

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7506600A Granted FR2263042A1 (en) 1974-03-06 1975-03-03 Optical brightener-contg. (photographic) layers - applied as latex from aq. polymerisation of monomer contg. water-insoluble brightener

Country Status (4)

Country Link
JP (1) JPS50126732A (en)
BE (1) BE826292A (en)
DE (1) DE2509342A1 (en)
FR (1) FR2263042A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0146337A2 (en) * 1983-12-16 1985-06-26 EASTMAN KODAK COMPANY (a New Jersey corporation) Elements having hydrophilic layers containing hydrophobes in polymer particles and a method of making same
EP0622681A1 (en) * 1993-04-27 1994-11-02 Agfa-Gevaert N.V. Process for incorporation of a water-insoluble substance into a hydrophilic layer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4584255A (en) * 1983-12-16 1986-04-22 Eastman Kodak Company Photographic color elements having hydrophilic layers containing hydrophobes in polymer particles
US4684605A (en) * 1983-12-16 1987-08-04 Eastman Kodak Company Elements having hydrophilic layers containing hydrophobes in polymer particles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0146337A2 (en) * 1983-12-16 1985-06-26 EASTMAN KODAK COMPANY (a New Jersey corporation) Elements having hydrophilic layers containing hydrophobes in polymer particles and a method of making same
EP0146337A3 (en) * 1983-12-16 1988-01-13 Eastman Kodak Company Elements having hydrophilic layers containing hydrophobes in polymer particles and a method of making same
EP0622681A1 (en) * 1993-04-27 1994-11-02 Agfa-Gevaert N.V. Process for incorporation of a water-insoluble substance into a hydrophilic layer

Also Published As

Publication number Publication date
DE2509342A1 (en) 1975-09-11
JPS50126732A (en) 1975-10-06
FR2263042B1 (en) 1977-04-15
BE826292A (en) 1975-09-05

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Legal Events

Date Code Title Description
ST Notification of lapse