US3898088A - Photographic elements containing polymeric mordants - Google Patents

Photographic elements containing polymeric mordants Download PDF

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US3898088A
US3898088A US400778A US40077873A US3898088A US 3898088 A US3898088 A US 3898088A US 400778 A US400778 A US 400778A US 40077873 A US40077873 A US 40077873A US 3898088 A US3898088 A US 3898088A
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styrene
dye
polymer
polymers
mordants
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US400778A
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Hyman L Cohen
Frederick Koeng
I Ponticello
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Eastman Kodak Co
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Eastman Kodak Co
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Priority to CA209,107A priority patent/CA1057994A/en
Priority to FR7431745A priority patent/FR2257608B1/fr
Priority to AU73573/74A priority patent/AU485869B2/en
Priority to JP10992474A priority patent/JPS5534417B2/ja
Priority to DE2445782A priority patent/DE2445782B2/en
Priority to GB4193874A priority patent/GB1474750A/en
Priority to BE148946A priority patent/BE820394A/en
Priority to US05/551,947 priority patent/US3944424A/en
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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C8/00Diffusion transfer processes or agents therefor; Photosensitive materials for such processes
    • G03C8/42Structural details
    • G03C8/52Bases or auxiliary layers; Substances therefor
    • G03C8/56Mordant layers
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03CPHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES; PHOTOGRAPHIC PROCESSES, e.g. CINE, X-RAY, COLOUR, STEREO-PHOTOGRAPHIC PROCESSES; AUXILIARY PROCESSES IN PHOTOGRAPHY
    • G03C1/00Photosensitive materials
    • G03C1/76Photosensitive materials characterised by the base or auxiliary layers
    • G03C1/825Photosensitive materials characterised by the base or auxiliary layers characterised by antireflection means or visible-light filtering means, e.g. antihalation
    • G03C1/835Macromolecular substances therefor, e.g. mordants
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S430/00Radiation imagery chemistry: process, composition, or product thereof
    • Y10S430/142Dye mordant

Definitions

  • ABSTRACT A water-insoluble polymer comprising repeating units I at least 1/3 of said repeating units having the formula:
  • R and R are hydrogen or alkyl and R, R and R are alkyl groups wherein the total number of carbon atoms in R", R and R is at least 12 and X is an anion, is useful in dye mordant compositions in photographic elements.
  • Preferred dye mordants comprise copolymers with styrene or methyl methacrylate.
  • the present invention relates to novel polymeric compounds which are good mordants for dyes used in photographic systems and to photographic systems using such polymers.
  • dye mordants are those formed by quaternizing a polymer containing tertiary nitrogen atoms with an alkylating or aralkylating agent such as described in US. Pat. No. 3,625,694 issued Dec. 7, 1971, to Cohen et al, and US. Pat. No. 3,709,690 issued Jan. 9, 1973, to Cohen et al.
  • Still another object of this invention is to provide an integral negative receiverphotographic element comprising a support having a layer containing the polymeric mordant of this invention and at least one photosensitive silver halide emulsion layer which has contiguous thereto a dye image-providing material.
  • a dye mordant composition comprising a water-insoluble polymer comprising units represented by the following formula:
  • R and R are hydrogen or alkyl and R may be a group containing at least one aromatic nucleus
  • R, R and R are alkyl radicals comprising at least a total of 12 carbon atoms
  • X is an anion.
  • the water-insoluble polymers of the present invention containing alkyl substituents on the nitrogen atom containing a total of at least 12 carbon atoms have been found to be distinctly superior mordants.
  • Preferred polymers according to this invention comprise units having the following formula:
  • R and R are hydrogen or lower alkyl containing from 1 to 6 carbon atoms such as methyl, ethyl, propyl, butyl, pentyl, hexyl and the like and R can additionally be a group containing at least one aromatic necleus such as aryl including substituted aryl, such as phenyl, tolyl, naphthyl, biphenyl, anthracenyl and the like; R, R and R are alkyl such as methyl, ethyl, propyl, isopropyl, butyl, pentyl, hexyl, octyl, decyl and the like wherein the total number of carbon atoms in R R and R must be at least 12 and preferably from 12 to '30 and X is an anion; i.e., a monovalent negative salt forming ionic radical or atom such as a halide (e.g., a monovalent negative salt forming ionic
  • the polymers can be homopolymers or copolymers with at least one other ethylenically unsaturated monomer so long as at least 1/3 of the repeating units of the copolymer constitute those having the formula described above and the resulting homopolymer or copolymer is water-insoluble and the cationic moiety of the polymer is substantially free of carboxyl(COOH) groups.
  • carboxyl groups in the polymer interferes with effective dye mordanting.
  • Typical ethylenically unsaturated monomers which can be used to form ethenic copolymers (including two, three or more repeating units) according to this invention include ethylene, propylene, l-butene, isobutene, 2-methylpentene, 2-methylbutene, 1,1,4,4-tetramethylbutadiene, styrene, monoethylenically unsaturated esters of aliphatic acids such as vinyl acetate, isopropenyl acetate, allyl acetate, etc.; esters of ethylenically unsaturated monoor dicarboxylic acids such as methyl acrylate, methyl methaalpha-methylstyrene;
  • crylate ethyl acrylate, diethyl methylenemalonate, etc.; monoethylenically unsaturated compounds such as acrylonitrile, allyl cyanide, and dienes such as butadiene and isoprene.
  • a preferred class of ethylenically unsaturated monomers which may be used to form the ethenic polymers of this invention includes the lower l-alkenes having from 1 to 6 carbon atoms, styrene, and tetramethylbutadiene and methyl methacrylate.
  • the polymer must be water-insoluble.
  • a homopolymer having 12 carbon atoms on the R, R and R substituents may be watersoluble and inoperable for the purposes of this invention
  • a similar polymer interpolymerized with styrene in the range of to 80 percent by weight of the interpolymer may be water-soluble and can improve the mordanting properties desired.
  • water-insoluble it is meant that less than one gram of polymer will dissolve per 100 cc of water at room temperature (C).
  • the mordants of this invention are generally prepared by quaternizing a polymer comprising repeating units having the formula:
  • Typical suitable tertiary amines which may be used in this process include tributylamine, trihexylamine, tripentylamine, trioctylamine, diethyldodecylamine, dimethyltetradecylamine, dimethyloctadecylamine, dimethyldodecylamine, triisopentylamine and the like.
  • the vinyl polymer and tertiary amine may be reacted by heating in the presence of a solvent comprising alcohols (including aromatic alcohols) boiling above 100C, particularly methoxyethanol, ethoxyethanol, and benzyl alcohol.
  • the reaction may be carried out at any temperature but it is preferred to keep the reactants to from 70 to l 10C.
  • the reaction may be carried out using substantially equimolar amounts of the polymer e.g. poly(vinylbenzyl halide) or the like and tertiary amine.
  • An exchange of anions may be made, if desired, in order to produce polymeric, quaternary nitrogen group containing mordants to be employed in cer-, tain photographic supports such as dye-transfer systems.
  • the exchange of anions merely involves reacting the polymer with a salt such as silver acetate, silver p-toluenesulfonate or the like containing the preferred anion.
  • the polymers resulting from the above reaction may additionally contain some recurring units of the structure:
  • R is the residue of the alcohol solvent employed in the reaction mixture.
  • R may thus be an alkyl, alkaryl, aryl or alkoxyalkyl group such as methyl, ethyl, phenyl, benzyl, methoxyethyl, ethoxyethyl or the like.
  • the vinyl polymer may be incompletely quaternized by reacting less than a stoichiometric amount of tertiary amine with the polymer.
  • the preferred mole percent quaternization is from to 97.5 percent.
  • the excess haloalkyl groups in the polymer backbone are then further reacted with a compound having more than one amine group such as polyamine.
  • These polyamines may be represented by the formula Z(NR R), wherein Z is an organic group, R and R can be hydrogen, alkyl or aryl and n is 2 or more. Examples of polyamines useful herein are gelatin, 1,4-butanediamine, imidizole, pyrazine, and the like.
  • the amount of polyamine crosslinking agent added may vary from 0 to 20 percent by weight of the polymer. If the polyamine is also used as a binder material greater than 20 percent by weight can be added.
  • the alkylating process may be carried out in a solvent, such as water, acetone, benzene, dimethylfonnamide, dimethyl 'sulfoxide, dimethylacetamide, alcohols such as methanol, ethanol, isopropanol, 2-ethoxyethanol, and the like. Temperatures from 20 to 80C are generally used.
  • Some polymers which illustrate the mordants of this invention contain the following units wherein X is from 0 to 66 percent and y is IOO-X:
  • any of the methods known in the art to homopolymerize the monomers or to copolymerize with other ethylenically unsaturated monomers, such as mass, solution, or bead polymerization can be used to prepare the polymers of this invention, and polymerization catalysts known to the art, such as ultraviolet light treatment, peroxides, azo compounds [i.e., 2,2'-azobis(2- methylpropionitrile)], and the like can be employed.
  • Mordanting amounts of the novel polymers of the invention can be employed, as such, from solvent solutions such as methanol, ethanol, or mixtures of methano] or ethanol with water and the like, or can be incorporated in organic binder materials.
  • the resulting mixture can be used in the preparation of dye imbibition printing blanks, receiving layers for color transfer processes, such as those described in Land U.S. Pat. No. 3,362,819. Rogers U.S. Pat. No. 2,983,606, Whitmore U.S. Pat. No. 3,227,552 and U.S. Pat. No. 3,227,550, and in antihalation layers such as those described in Jones et al U.S. Pat. No. 3,282,699.
  • Satisfactory binders used for this purpose include any of the hydropho- 6O bic binders generally employed in the photographic field, including, for example, poly(vinyl acetate), cellulose acetate butyrate, gelatin, poly(vinyl alcohol) and the like. Exemplary materials are disclosed in Product Licensing Index, Vol. 92, Dec. 1971, publication 9,232, Page 108.
  • a mordanting amount of polymer can be employed in a dye mordanting or dye imagereceiving layer.
  • a binder can be used along with the polymeric mordant in the layer.
  • the amount of dye mordant to be used depends on the amount of dye to be mordanted, the mordanting polymers, the imaging chemistry involved, etc. and can be determined easily by one skilled in this art. It is preferred that between 20 and percent by weight of polymer be used in the dye mordanting layers.
  • the dye image-receiving element can comprise a support having thereon a layer including the polymeric mordant composition of this invention.
  • the element may also comprise other layers, such as a polymeric acid layer, and can also include a timing layer as taught in U.S. Pat. No. 3,362,819 or a light reflective interlayer comprising a light reflective white pigment, such as TiO and a polymeric binder, in accordance with the teaching of Beavers and Bush US Pat. No. 3,445,228.
  • the mordanting compositions of this invention are also especially useful in light-filtering layers, such as in antihalation layers of the type disclosed in Jones and Milton U.S. Pat. No. 3,282,699.
  • the light-filtering layer preferably can comprise a binder and the mordanting compositions of this invention.
  • the layer is adapted to contain a dye held or fixed by the mordanting composition.
  • novel mordants of this invention can also be employed in integral negative-receiver photographic elements such as those described in U.S. application Ser. No. 27,990 of Cole, filed Apr. 13, 1970, now abandoned U.S. application Ser. No. 2,991 of Barr et al., filed Apr. 13, 1970 now abandoned and U.S. Pat. No. 3,415,644 issued Dec. 10, 1968.
  • these integral photographic elements comprise a support having thereon a layer containing one or more of the novel mordants described herein and at least one photosensitive silver halide emulsion layer, the silver halide of which has contiguous thereto a dye image-providing material.
  • the mordants can also be used for fixing the dyes, and particularly acid dyes, used in the preparation of photographic filter, antihalation and gelatino vs silver halide emulsion layers.
  • Such layers can be coated on conventional photographic supports, such as flexible sheet supports (e.g., cellulose acetate, polyester films,
  • mordanting polymers of this invention can be used together, in a single layer or in two or more layers.
  • the mordanting polymers of this invention can also be used in admixture with other mordants in the same layer or in separate layers of the same element.
  • the total coverage of the mordanting layer or layers be from 5 to 55 mg/dm in order to satisfactorily operate as a mordant.
  • Emulsions or compositions containing the polymers can be chemically sensitized with compounds of the sulfur group and/or noble metal salts (such as gold salts), reduction sensitized with reducing agents, or any combination of these.
  • emulsion layers and other layers present in photographic elements made according to this invention can be hardened with any suitable hardener such as aldehyde hardeners, aziridine hardeners, hardeners which are derivatives of dioxane, oxypolysaccharides such as oxystarch, oxy plant gums, and the like.
  • the emulsion can also contain additional additives, particularly those known to be beneficial in photographic emulsions, including for example,
  • Mordanted blanks treated in accordance with this invention are useful for receiving acid dyes from hydrophilic colloid relief images according to prior art techniques.
  • Typical acid dyestuffs which can be transferred to the treated blanks of the invention are Anthracene Yellow GR (400 percent pure Schultz No. 177), Fast Red S Conc. (Colour Index 176), Pontacyl Green SN Ex. (Colour Index 737), Acid blue black (Colour Index 246), Acid Magenta (Colour Index 692), Naphthol Green B. Conc. (Colour Index Brilliant Paper Yellow Ex. Conc. 125 percent (Colour Index 364), Tartrazine (Colour Index 640), Metanil Yellow Conc. (Colour Index 138), Pontacyl Carmine 6B Ex. Conc. (Colour Index 57), Pontacyl Scarlet R Conc. (Colour Index 487) and Pontacyl Rubine R Ex. Conc. (Colour Index 179).
  • EXAMPLE 1 A reactor was charged with grams of poly(styrene-co-vinylbenzyl chloride) in a 1:1 mole ratio of styrene to vinylbenzyl chloride wherein 60 percent of the vinylbenzyl chloride is the meta isomer and 40 percent is the para isomer in 150 ml benzyl alcohol and 16 g of tris (n-pentyl)amine. The mixture was heated on a steam pot for about 16 hours, cooled, and poured into diethyl ether to precipitate the product.
  • poly (styrene-co- EXAMPLE 2 A mixture of 40 g of methyl methacrylate, 61 g of vinylbenzyl chloride, 500 mg of potassium persulfate, 200 mg of sodium bisulfite, 4 ml of the sodium salt of an alkyl-aryl poly(ether sulfate) commercially available under the trademark Triton 770 from Rohm and Haas Company and 200 ml of water was heated at 60C for 3 hours in a nitrogen atmosphere. The mixture was then held at -20C overnight and allowed to come to room temperature. The solid was filtered and washed with water and methanol. The white powder was dried under vacuum at room temperature. The resulting polymer had an inherent viscosity in acetone of 0.87.
  • a reactor was charged with a mixture of 12.5 g of poly (methyl methacrylate-co-vinylbenzyl chloride) prepared above, 21 g of trihexylamine and 200 ml of ethoxyethanol and heated at to C to 3 days in a nitrogen atmosphere. The polymer was precipitated from the resulting viscous solution in hexane, filtered,
  • the poly- 'mer was dissolved in methanol, and precipitated in a mixture of hexaneether 1:1 by volume).
  • the resulting copoly(methyl methacrylate-co,-N,N,N-tri-n-hexyl-N- vinylbenzylammonium chloride) had an inherent viscosity in methanol of 8.56 at 25C and at a concentration of 0.25 g/dl.
  • Example 3 The process of Example 2 was carried out with the substitution of tri-n-butylamine for tri-n-hexylamine. Poly(methyl methacrylate-co-N,N,N-tri-n-butyl-N- vinylbenzylammonium chloride) resulted.
  • EXAMPLE 4 The process of Example 2 was repeated with the substitution of triisopentylamine for tri-n-hexylamine. Poly(methyl methacrylate-co-N,N,N- triisopentylamine-N-vinylbenzylammonium chloride) resulted.
  • the polymers of the present invention were tested for CH -Q -GH lH- mordanting properties in relationship to a dye mordant similar to those described herein, [poly(styrene-co-N- Q benzyl-N ,N-dimethyl-N-( 3-maleimidopropyl )am- OH momum chloride].
  • the mordantmg property tested 2 was K, a competitive constant. 5 3
  • Test Mordant 1 EXAMPLE 26 This 18 a comparative example. Fluid and Dye The general method of reacting tertiary amines having lower alkyl substituents with polyvinyl benzyl chlo- Tio ride copolymers described in the prior art in U.S. Pat. 2 No. 3,178,396 to Lloyd and D. Jones and S. J. Getz, .l. W Ply.
  • the mixture was stirred and heated in a steam ings were taken at 24 hours to determine to which morb h f r 30 i Th polymer ll d d was i the ly q f? a greater
  • the K uble in acetone, methanol, benzene, N,N-dimethylfor- 1S determined by dividing the test mordant reflection mamide and dimethy] ]f id density by the standard mordant reflection density. This provides a ratio of mordanting ability of the tested mordant versus the standard mordant.
  • EXAMPLE 27 A reactor was charged with 50 grams of poly(styrene-co-vinylbenzyl chloride), 0.16 moles of tri-n-hexylamine and 900 ml of Z-methoxyethanol and the mixture was stirred for 24 hours at 95C. The solution was cooled and 15 mls of concentrated HCI were added. The mixture was poured into water, with stirring, to precipitate the polymer and the polymer was washed with water and dried in vacuum to produce 80 g of polymer which was 80 percent quatemized.
  • a photographic element comprising a support, a silver halide layer and a layer comprising a waterinsoluble polymer comprising repeating units represented by the following formula:
  • R and R are hydrogen or alkyl and R, R and R are alkyl groups wherein the total number of carbon atoms in R, R and R is at least 12 and X is an anion.
  • a photographic element of claim 1 wherein the water-insoluble polymer is a copolymer of at least one other ethylenically unsaturated monomer and wherein at least one-third of the repeating units comprise the formula of Claim 1.
  • R and R are hydrogen atoms or alkyl groups and R, R and R are alkyl groups wherein the total number of carbon atoms in R, R and R is at least 12 and X is an anion, having contiguous thereto a dye image providing material.

Abstract

A water-insoluble polymer comprising repeating units at least 1/3 of said repeating units having the formula:

WHEREIN R1 and R2 are hydrogen or alkyl and R3, R4 and R5 are alkyl groups wherein the total number of carbon atoms in R3, R4 and R5 is at least 12 and X is an anion; is useful in dye mordant compositions in photographic elements. Preferred dye mordants comprise copolymers with styrene or methyl methacrylate.

Description

United States Patent [19] Cohen et al.
[ Aug. 5, 1975 PHOTOGRAPHIC ELEMENTS CONTAINING POLYMERIC MOR'DANTS [75] Inventors: Hyman L. Cohen; Frederick Koeng;
l. Ponticello, all of Rochester, N.Y.
[73] Assignee: Eastman Kodak Company,
Rochester, NY.
22 Filed: Sept. 26, 1973 211 App]. No.: 400,778
[52] US. Cl 96/84 A; 96/57; 96/74;
Fix 96/84 A x Primary Examiner-Ronald H. Smith Attorney, Agent, or FirmA. l-l. Rosenstein [57] ABSTRACT A water-insoluble polymer comprising repeating units I at least 1/3 of said repeating units having the formula:
wherein R and R are hydrogen or alkyl and R, R and R are alkyl groups wherein the total number of carbon atoms in R", R and R is at least 12 and X is an anion, is useful in dye mordant compositions in photographic elements. Preferred dye mordants comprise copolymers with styrene or methyl methacrylate.
4 Claims, N0 Drawings PHOTOGRAPHIC ELEMENTS CONTAINING POLYMERIC MORDANTS The present invention relates to novel polymeric compounds which are good mordants for dyes used in photographic systems and to photographic systems using such polymers.
It is known in the photographic art to use various polymeric materials as mordants in integral negative receiver elements comprising a support and layer containing a silver halide emulsion to prevent the migration of dyes. Receiving elements containing mordants are described in US. Pat. No. 2,584,080.
Among the various polymers suggested as dye mordants are those formed by quaternizing a polymer containing tertiary nitrogen atoms with an alkylating or aralkylating agent such as described in US. Pat. No. 3,625,694 issued Dec. 7, 1971, to Cohen et al, and US. Pat. No. 3,709,690 issued Jan. 9, 1973, to Cohen et al.
The preparation of water soluble polymers containing trialkyl vinyl benzylammonium salts is described in C. D. Jones and S. J. Getz, J. Pol. Sci., 25, 201-215(1957) and US. Pat. No. 3,178,396 to Lloyd. The search for mordant polymers having the ability to receive and hold dye strongly and to stabilize dye from changing hue at low pH has been quite extensive.
It is an object of this invention to provide new polymers.
It is another object of this invention to provide dye mordant polymers with improved properties.
It is another object of this invention to provide new photographic elements containing mordants with excellent dye holding properties.
It is still another object of this invention to provide photographic elements having mordanted images with increased densities.
It is a further object of this invention to provide a novel method of preparing photographic elements containing mordants with superior properties.
It is a still further object of this invention to provide a photographic element comprising a support, a silver halide layer and at least one layer comprising the composition of this invention.
Still another object of this invention is to provide an integral negative receiverphotographic element comprising a support having a layer containing the polymeric mordant of this invention and at least one photosensitive silver halide emulsion layer which has contiguous thereto a dye image-providing material.
These and other objects are accomplished using a dye mordant composition comprising a water-insoluble polymer comprising units represented by the following formula:
ca c
l I R2 Q 2 R N- R I ,,u e
wherein R and R are hydrogen or alkyl and R may be a group containing at least one aromatic nucleus, R, R and R are alkyl radicals comprising at least a total of 12 carbon atoms and X is an anion. Compared to the prior art quaternary nitrogen containing mordants, wherein the nitrogen atom is substituted with aryl groups and where the polymers are water-soluble, the water-insoluble polymers of the present invention containing alkyl substituents on the nitrogen atom containing a total of at least 12 carbon atoms have been found to be distinctly superior mordants.
Preferred polymers according to this invention comprise units having the following formula:
I l R2 Q 3 R NQ- R wherein R and R are hydrogen or lower alkyl containing from 1 to 6 carbon atoms such as methyl, ethyl, propyl, butyl, pentyl, hexyl and the like and R can additionally be a group containing at least one aromatic necleus such as aryl including substituted aryl, such as phenyl, tolyl, naphthyl, biphenyl, anthracenyl and the like; R, R and R are alkyl such as methyl, ethyl, propyl, isopropyl, butyl, pentyl, hexyl, octyl, decyl and the like wherein the total number of carbon atoms in R R and R must be at least 12 and preferably from 12 to '30 and X is an anion; i.e., a monovalent negative salt forming ionic radical or atom such as a halide (e.g. bromine, chlorine) alkyl sulfate, alkane or arene sulfonate (for example, a p-toluenesulfonate), dialkyl phosphate or similar anionic moiety.
It is understood that the polymers can be homopolymers or copolymers with at least one other ethylenically unsaturated monomer so long as at least 1/3 of the repeating units of the copolymer constitute those having the formula described above and the resulting homopolymer or copolymer is water-insoluble and the cationic moiety of the polymer is substantially free of carboxyl(COOH) groups. The presence of carboxyl groups in the polymer interferes with effective dye mordanting.
Typical ethylenically unsaturated monomers which can be used to form ethenic copolymers (including two, three or more repeating units) according to this invention include ethylene, propylene, l-butene, isobutene, 2-methylpentene, 2-methylbutene, 1,1,4,4-tetramethylbutadiene, styrene, monoethylenically unsaturated esters of aliphatic acids such as vinyl acetate, isopropenyl acetate, allyl acetate, etc.; esters of ethylenically unsaturated monoor dicarboxylic acids such as methyl acrylate, methyl methaalpha-methylstyrene;
crylate, ethyl acrylate, diethyl methylenemalonate, etc.; monoethylenically unsaturated compounds such as acrylonitrile, allyl cyanide, and dienes such as butadiene and isoprene. A preferred class of ethylenically unsaturated monomers which may be used to form the ethenic polymers of this invention includes the lower l-alkenes having from 1 to 6 carbon atoms, styrene, and tetramethylbutadiene and methyl methacrylate.
It is noted that the polymer must be water-insoluble. Thus, although a homopolymer having 12 carbon atoms on the R, R and R substituents may be watersoluble and inoperable for the purposes of this invention, a similar polymer interpolymerized with styrene in the range of to 80 percent by weight of the interpolymer may be water-soluble and can improve the mordanting properties desired. By water-insoluble it is meant that less than one gram of polymer will dissolve per 100 cc of water at room temperature (C).
The mordants of this invention are generally prepared by quaternizing a polymer comprising repeating units having the formula:
1 CH C rene and methyl methacrylate and the like. Typical suitable tertiary amines which may be used in this process include tributylamine, trihexylamine, tripentylamine, trioctylamine, diethyldodecylamine, dimethyltetradecylamine, dimethyloctadecylamine, dimethyldodecylamine, triisopentylamine and the like.
The vinyl polymer and tertiary amine may be reacted by heating in the presence of a solvent comprising alcohols (including aromatic alcohols) boiling above 100C, particularly methoxyethanol, ethoxyethanol, and benzyl alcohol. The reaction may be carried out at any temperature but it is preferred to keep the reactants to from 70 to l 10C. The reaction may be carried out using substantially equimolar amounts of the polymer e.g. poly(vinylbenzyl halide) or the like and tertiary amine. An exchange of anions may be made, if desired, in order to produce polymeric, quaternary nitrogen group containing mordants to be employed in cer-, tain photographic supports such as dye-transfer systems. The exchange of anions merely involves reacting the polymer with a salt such as silver acetate, silver p-toluenesulfonate or the like containing the preferred anion.
The polymers resulting from the above reaction may additionally contain some recurring units of the structure:
('}H C R wherein R is the residue of the alcohol solvent employed in the reaction mixture. R may thus be an alkyl, alkaryl, aryl or alkoxyalkyl group such as methyl, ethyl, phenyl, benzyl, methoxyethyl, ethoxyethyl or the like.
In an alternative embodiment, the vinyl polymer may be incompletely quaternized by reacting less than a stoichiometric amount of tertiary amine with the polymer. The preferred mole percent quaternization is from to 97.5 percent. The excess haloalkyl groups in the polymer backbone are then further reacted with a compound having more than one amine group such as polyamine. These polyamines may be represented by the formula Z(NR R), wherein Z is an organic group, R and R can be hydrogen, alkyl or aryl and n is 2 or more. Examples of polyamines useful herein are gelatin, 1,4-butanediamine, imidizole, pyrazine, and the like. The amount of polyamine crosslinking agent added may vary from 0 to 20 percent by weight of the polymer. If the polyamine is also used as a binder material greater than 20 percent by weight can be added. The alkylating process may be carried out in a solvent, such as water, acetone, benzene, dimethylfonnamide, dimethyl 'sulfoxide, dimethylacetamide, alcohols such as methanol, ethanol, isopropanol, 2-ethoxyethanol, and the like. Temperatures from 20 to 80C are generally used.
Some polymers which illustrate the mordants of this invention contain the following units wherein X is from 0 to 66 percent and y is IOO-X:
of 06H 3 name poly(styrene-co-N,N,N-trihexyl-N-vinylbenzylammonium chloride).
5 9 m N C H 13 6 13 name poly(N,N,N-trihexyl-N-vinylbenzylammonium chloride Q z f e C H 5 11. 5 11 name poly(N,N,N-tripentyl-N-vinylbenzylammonium chloride) and the like.
Any of the methods known in the art to homopolymerize the monomers or to copolymerize with other ethylenically unsaturated monomers, such as mass, solution, or bead polymerization can be used to prepare the polymers of this invention, and polymerization catalysts known to the art, such as ultraviolet light treatment, peroxides, azo compounds [i.e., 2,2'-azobis(2- methylpropionitrile)], and the like can be employed.
Mordanting amounts of the novel polymers of the invention can be employed, as such, from solvent solutions such as methanol, ethanol, or mixtures of methano] or ethanol with water and the like, or can be incorporated in organic binder materials. The resulting mixture can be used in the preparation of dye imbibition printing blanks, receiving layers for color transfer processes, such as those described in Land U.S. Pat. No. 3,362,819. Rogers U.S. Pat. No. 2,983,606, Whitmore U.S. Pat. No. 3,227,552 and U.S. Pat. No. 3,227,550, and in antihalation layers such as those described in Jones et al U.S. Pat. No. 3,282,699. Satisfactory binders used for this purpose include any of the hydropho- 6O bic binders generally employed in the photographic field, including, for example, poly(vinyl acetate), cellulose acetate butyrate, gelatin, poly(vinyl alcohol) and the like. Exemplary materials are disclosed in Product Licensing Index, Vol. 92, Dec. 1971, publication 9,232, Page 108. In general, a mordanting amount of polymer can be employed in a dye mordanting or dye imagereceiving layer. A binder can be used along with the polymeric mordant in the layer. The amount of dye mordant to be used depends on the amount of dye to be mordanted, the mordanting polymers, the imaging chemistry involved, etc. and can be determined easily by one skilled in this art. It is preferred that between 20 and percent by weight of polymer be used in the dye mordanting layers.
The dye image-receiving element can comprise a support having thereon a layer including the polymeric mordant composition of this invention. The element may also comprise other layers, such as a polymeric acid layer, and can also include a timing layer as taught in U.S. Pat. No. 3,362,819 or a light reflective interlayer comprising a light reflective white pigment, such as TiO and a polymeric binder, in accordance with the teaching of Beavers and Bush US Pat. No. 3,445,228.
The mordanting compositions of this invention are also especially useful in light-filtering layers, such as in antihalation layers of the type disclosed in Jones and Milton U.S. Pat. No. 3,282,699. Here the light-filtering layer preferably can comprise a binder and the mordanting compositions of this invention. The layer is adapted to contain a dye held or fixed by the mordanting composition.
ln addition, the novel mordants of this invention can also be employed in integral negative-receiver photographic elements such as those described in U.S. application Ser. No. 27,990 of Cole, filed Apr. 13, 1970, now abandoned U.S. application Ser. No. 2,991 of Barr et al., filed Apr. 13, 1970 now abandoned and U.S. Pat. No. 3,415,644 issued Dec. 10, 1968. In general, these integral photographic elements comprise a support having thereon a layer containing one or more of the novel mordants described herein and at least one photosensitive silver halide emulsion layer, the silver halide of which has contiguous thereto a dye image-providing material.
The mordants can also be used for fixing the dyes, and particularly acid dyes, used in the preparation of photographic filter, antihalation and gelatino vs silver halide emulsion layers. Such layers can be coated on conventional photographic supports, such as flexible sheet supports (e.g., cellulose acetate, polyester films,
' polyvinyl resins, etc.) or paper, glass, etc.
More than one of the mordanting polymers of this invention can be used together, in a single layer or in two or more layers. The mordanting polymers of this invention can also be used in admixture with other mordants in the same layer or in separate layers of the same element.
Whether the polymers are employed in a single layer or in two layers, it is preferred that the total coverage of the mordanting layer or layers be from 5 to 55 mg/dm in order to satisfactorily operate as a mordant.
Emulsions or compositions containing the polymers can be chemically sensitized with compounds of the sulfur group and/or noble metal salts (such as gold salts), reduction sensitized with reducing agents, or any combination of these. Furthermore, emulsion layers and other layers present in photographic elements made according to this invention can be hardened with any suitable hardener such as aldehyde hardeners, aziridine hardeners, hardeners which are derivatives of dioxane, oxypolysaccharides such as oxystarch, oxy plant gums, and the like. The emulsion can also contain additional additives, particularly those known to be beneficial in photographic emulsions, including for example,
I N,N,N-tripentyl-N-vinylbenzylammonium chloride).
7 stabilizers or antifoggants, particularly the water soluble inorganic acid salts of cadmium, cobalt, manganese and zinc as disclosed in US. Pat. No. 2,829,404, the substituted triazaindolizines as disclosed in US. Pat.
Nos. 2,444,605 and 2,444,607, speed increasing mate- 5 rials, plasticizers and the like. Examples of these additives are found in Product Licensing Index, Vol. 92, Dec. 1971, publication 9,232, Pages 107 to 110.
Mordanted blanks treated in accordance with this invention are useful for receiving acid dyes from hydrophilic colloid relief images according to prior art techniques. Typical acid dyestuffs which can be transferred to the treated blanks of the invention are Anthracene Yellow GR (400 percent pure Schultz No. 177), Fast Red S Conc. (Colour Index 176), Pontacyl Green SN Ex. (Colour Index 737), Acid blue black (Colour Index 246), Acid Magenta (Colour Index 692), Naphthol Green B. Conc. (Colour Index Brilliant Paper Yellow Ex. Conc. 125 percent (Colour Index 364), Tartrazine (Colour Index 640), Metanil Yellow Conc. (Colour Index 138), Pontacyl Carmine 6B Ex. Conc. (Colour Index 57), Pontacyl Scarlet R Conc. (Colour Index 487) and Pontacyl Rubine R Ex. Conc. (Colour Index 179).
This invention is further illustrated by the following examples.
EXAMPLE 1 A reactor was charged with grams of poly(styrene-co-vinylbenzyl chloride) in a 1:1 mole ratio of styrene to vinylbenzyl chloride wherein 60 percent of the vinylbenzyl chloride is the meta isomer and 40 percent is the para isomer in 150 ml benzyl alcohol and 16 g of tris (n-pentyl)amine. The mixture was heated on a steam pot for about 16 hours, cooled, and poured into diethyl ether to precipitate the product. The solid was collected, washed with ether, and vacuum dried to produce 18.5 g of poly (styrene-co- EXAMPLE 2 A mixture of 40 g of methyl methacrylate, 61 g of vinylbenzyl chloride, 500 mg of potassium persulfate, 200 mg of sodium bisulfite, 4 ml of the sodium salt of an alkyl-aryl poly(ether sulfate) commercially available under the trademark Triton 770 from Rohm and Haas Company and 200 ml of water was heated at 60C for 3 hours in a nitrogen atmosphere. The mixture was then held at -20C overnight and allowed to come to room temperature. The solid was filtered and washed with water and methanol. The white powder was dried under vacuum at room temperature. The resulting polymer had an inherent viscosity in acetone of 0.87.
A reactor was charged with a mixture of 12.5 g of poly (methyl methacrylate-co-vinylbenzyl chloride) prepared above, 21 g of trihexylamine and 200 ml of ethoxyethanol and heated at to C to 3 days in a nitrogen atmosphere. The polymer was precipitated from the resulting viscous solution in hexane, filtered,
washed and dried in a vacuum oven at 40C. The poly- 'mer was dissolved in methanol, and precipitated in a mixture of hexaneether 1:1 by volume). The resulting copoly(methyl methacrylate-co,-N,N,N-tri-n-hexyl-N- vinylbenzylammonium chloride) had an inherent viscosity in methanol of 8.56 at 25C and at a concentration of 0.25 g/dl.
EXAMPLE 3 The process of Example 2 was carried out with the substitution of tri-n-butylamine for tri-n-hexylamine. Poly(methyl methacrylate-co-N,N,N-tri-n-butyl-N- vinylbenzylammonium chloride) resulted.
EXAMPLE 4 The process of Example 2 was repeated with the substitution of triisopentylamine for tri-n-hexylamine. Poly(methyl methacrylate-co-N,N,N- triisopentylamine-N-vinylbenzylammonium chloride) resulted.
EXAMPLES 5 to 10 The following compounds shown in Table 1 were prepared as in Example I with the substitution of various trialkylamines. The general formula of the resulting polymers was:
40 H. CH2 4021 -039 50 wherein x =0 to 66 /a percent and y equals x.
TABLE I Solvent Used Anal. (Calcd/Found) 1n Inherent EXAMPLE R" R R" Preparation C H N Cl Viscosity 5 C l-I,, C,I-I C H,, Benzyl 78.8 10.0 3.2 8.0 1.6
Alcohol 78.5 10.0 3.2 7.8 6 C,H -C I-I,, -C ,H Benzyl 79.4 10.3 2.9 7.4
Alcohol 77.9 9.7 2.2 6.1 0.82 2-Methoxy- 79.9 10.7 2.7 6.7 7 -C,,H, --C I'I C,,H ethanol 76.9 10.9 2.0 5.0 0.81
Benzyl 81.4 10.9 2.5 6.2 8 C,H, C l-I,, --C,H, Alcohol 78.1 11.1 2.1 5.6 1.78
Benzyl 82.1 9.7 2.3 5.9 9 -C,,H, C l-l C,,I-l,-, Alcohol 81.2 11.1 1.8 5.1 1.78 10 -CH;, CH C, H., N,N-Di- 76.6 10.7 3.6 9.1
methylfonn- 78.0 10.5 2.9 7.3 0.61
amide and benzyl alcohol The inherent viscosities were measured in benzene at 25C at a concentration of 0.25 g/decileter of solution.
EXAMPLES 11 to 25.
10 The following Table 2 indicates the various competition values for homopolymers and copolymers of the following polymer structure:
f The polymers of the present invention were tested for CH -Q -GH lH- mordanting properties in relationship to a dye mordant similar to those described herein, [poly(styrene-co-N- Q benzyl-N ,N-dimethyl-N-( 3-maleimidopropyl )am- OH momum chloride]. The mordantmg property tested 2 was K, a competitive constant. 5 3
The competition tests to determine K were run by R N R 9 forming a structure as shown below in which a yellow I dye and a magenta dye were dissolved in fluid contain- R ing 40g per liter of hydroxy ethyl cellulose in one molar KOH at a pH of 14 and sandwiched between the conf both the magenta dye (Km) and yellow dye (Kn) TABLE 11 Composition Example M Q R R R K(y) 1((m) (Mole Percents) Control A H 0 CH3 CH3 CH2 1.0 1.0 50% styrene Control B H 0 CH3 CH3 CH3 2.9 3.1 50% styrene Control C H 0 CQHS CH5 C2H5 2.8 2.9 50% styrene Control D H 0 C l-l C3H-, C3H7 3.1 3.5 50% styrene Control E H 0 CH9 C H C4H9 3.6 3.7 50% styrene Example 11 H 0 C514 514 5 50% Styrene Example 12 H 0 CH1. C l-1 Cu ia 15.5 14.2 50% styrene Example 13 H 0 C,,H,, C,,H,-, CQHI, 14.0 11.3 50% styrene Example 14 H 0 C H, C2H5 C H 12.1 12.7 50% styrene Example 15 H 0 CH3 CH3 CHHZQ 11.3 1 1.9 50% styrene Example 16 H 0 C H C .,H 5H" 17.1 16.1 60% styrene Example 17 H 0 C H CBHH C H 15.6 15.8 33% styrene Example 18 H 0 C H C H CBH, 14.6 15.3 33% styrene Example 19 H 0 CH;, CH; C H 5.2 4.8 50% styrene Example 20 -H 0 CH3 CH3 C H 14.7 14.9 50% styrene Example 21 C l-1 CGHK, C H 15.6 14.3 Homopolymer Control F C4Hg C4119 C4HQ 0.88 1.10 Homopolymer Example 22 H 0 C4H9 C4H9 C4119 8.6 11.9 67% styrene Example 23 CH;, CO2CH3 C H C6 H C l-1 13.5 14.3 50% styrene Example 24 CH, CO2CH3 C4H9 4H9 C, 8.5 9.7 50% styrene Example 25 CH3 CO2CH3 isoC H isoC 1-l isoC H 13.2 14.5 50% styrene ventional mordant structure and a test mordant as fol- R i noted that E l 11 to 25 are waterlows: insoluble polymers and controls A to F are. watersoluble. It is thus seen that surprisingly superior morl, View danting properties are obtained using water-insoluble polymers wherein R, R and R contain a total of at least 12 carbon atoms. Test Mordant 1 EXAMPLE 26 This 18 a comparative example. Fluid and Dye The general method of reacting tertiary amines having lower alkyl substituents with polyvinyl benzyl chlo- Tio ride copolymers described in the prior art in U.S. Pat. 2 No. 3,178,396 to Lloyd and D. Jones and S. J. Getz, .l. W Ply. Sci., 25, (1957) was used in an attempt to prepare the copolymer containing R, R and R having a total 1 View of at least 12 carbon atoms as follows. A reactor was charged with a solution of 1 g of poly The reflection densit ometry at timed intervals on (styrene-co vinylbenzyl chloride) i 10 1 f both faces of the sandwich was used to monitor the ap- N,N-di h 1f id d 2 grams of i l Pearance of y m each mordant y Yeadmine. The mixture was stirred and heated in a steam ings were taken at 24 hours to determine to which morb h f r 30 i Th polymer ll d d was i the ly q f? a greater The K uble in acetone, methanol, benzene, N,N-dimethylfor- 1S determined by dividing the test mordant reflection mamide and dimethy] ]f id density by the standard mordant reflection density. This provides a ratio of mordanting ability of the tested mordant versus the standard mordant.
The reaction was repeated with the tripentylamine replaced with tri-n-hexylamine and the solvent replaced with methanol, ethanol and finally isopropanol.
1 l The reaction did not go to completion using any of these solvents.
EXAMPLE 27 A reactor was charged with 50 grams of poly(styrene-co-vinylbenzyl chloride), 0.16 moles of tri-n-hexylamine and 900 ml of Z-methoxyethanol and the mixture was stirred for 24 hours at 95C. The solution was cooled and 15 mls of concentrated HCI were added. The mixture was poured into water, with stirring, to precipitate the polymer and the polymer was washed with water and dried in vacuum to produce 80 g of polymer which was 80 percent quatemized.
The invention has been described in considerable detail with reference to preferred embodiments thereof, but it will be understood that variations and modifications can be effected within the spirit and scope of the invention as described hereinabove and as defined in the appended claims.
We claim:
1. A photographic element comprising a support, a silver halide layer and a layer comprising a waterinsoluble polymer comprising repeating units represented by the following formula:
1 CH 1; L2
r R N9 R n in e wherein R and R are hydrogen or alkyl and R, R and R are alkyl groups wherein the total number of carbon atoms in R, R and R is at least 12 and X is an anion.
2. A photographic element of claim 1 wherein the water-insoluble polymer is a copolymer of at least one other ethylenically unsaturated monomer and wherein at least one-third of the repeating units comprise the formula of Claim 1.
3. The photographic element of claim 2 wherein an ethylenically unsaturated monomer is styrene.
wherein R and R are hydrogen atoms or alkyl groups and R, R and R are alkyl groups wherein the total number of carbon atoms in R, R and R is at least 12 and X is an anion, having contiguous thereto a dye image providing material.
UNITED STATES PATENT AND TRADEMARK OFFICE CERTIFICATE OF CORRECTION PATENT NO. 3,898,088 DATED August 5, 1975 INVENTOR(IS) H.L. Cohen, -F. 'Koen and I. Ponticello It is certrr'red that error appears in the aboveidentified patent and that said Letters Patent are hereby corrected as shown below:
Column 2, line L, "X should read X 5 lines 37-38, "necleus" should read nucleus Column 6, line 30, "now abandoned U.S. application Ser. No. 2,991 of Barr" should read now abandoned, U.S. application Serial No. 27,991 of Barr-.
Col. 12, line 3, "X'" should read x formula beginning at line 20,
should read line 37, "X" should read X Signed and Scaled this fourth Day Of May 1976 [SEAL] Arrest:
RUTH C. MRSON C. MARSHALL DANN AIM-sung ()jjirer (ummr'ssimu'r nj'lansnls and Trademarks Disclaimer 3,898,088.Hyman L. Cohen; Frederick Koeng and I. Ponticello, Rochester, NY. PHOTOGRAPHIC ELEMENTS CONTAINING POLYMERIC MORDANTS. Patent dated Aug. 5, 1975. Disclaimer filed Mar. 18, 1981, by the assignee, Eastman Kodak Co.
Hereby enters this disclaimer to all claims of said patent.
[Official Gazette May 26, 1981.]

Claims (3)

  1. 2. A photographic element of claim 1 wherein the water-insoluble polymer is a copolymer of at least one other ethylenically unsaturated monomer and wherein at least one-third of the repeating units comprise the formula of Claim 1.
  2. 3. The photographic element of claim 2 wherein an ethylenically unsaturated monomer is styrene.
  3. 4. An integral negative receiver element comprising a support and at least one layer containing at least one photosensitive silver halide emulsion layer containing a polymeric mordant comprising a water insoluble polymer comprising repeating units at least 1/3 of said units represented by the following formula:
US400778A 1973-09-26 1973-09-26 Photographic elements containing polymeric mordants Expired - Lifetime US3898088A (en)

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AU73573/74A AU485869B2 (en) 1973-09-26 1974-09-23 Polymers and photographic elements containing same
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DE2445782A DE2445782B2 (en) 1973-09-26 1974-09-25 Photographic recording material with an image-receiving or antihalation layer
GB4193874A GB1474750A (en) 1973-09-26 1974-09-26 Polymers for photography
BE148946A BE820394A (en) 1973-09-26 1974-09-26 NEW POLYMERIC MORDANTS
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US3962527A (en) * 1973-03-09 1976-06-08 Eastman Kodak Company Novel polymers and photographic elements containing same
US4055429A (en) * 1975-11-13 1977-10-25 Eastman Kodak Company Inhibitor barrier layers for photographic materials
US4124386A (en) * 1973-10-24 1978-11-07 Fuji Photo Film Co., Ltd. Color diffusion transfer receiving layer comprising polymeric quaternary n-heterocyclic mordant
US4220703A (en) * 1978-03-28 1980-09-02 Fuji Photo Film Co., Ltd. Photographic receiving layer with acid processed gelatin
US4220700A (en) * 1978-02-03 1980-09-02 Eastman Kodak Company Continuous-tone dyed diazo imaging elements
US4247615A (en) * 1980-03-06 1981-01-27 Eastman Kodak Company Continuous-tone dyed diazo imaging process
DE3045447A1 (en) * 1979-12-03 1981-06-19 Polaroid Corp., 02139 Cambridge, Mass. PHOTOGRAPHIC RECORDING MATERIAL AND METHOD
US4308335A (en) * 1979-07-20 1981-12-29 Fuji Photo Film Co., Ltd. Color diffusion transfer photographic elements
US4312940A (en) * 1978-08-31 1982-01-26 Fuji Photo Film Co., Ltd. Photographic material containing a novel polymer mordant
US4374194A (en) * 1980-12-08 1983-02-15 Eastman Kodak Company Dye imbibition photohardenable imaging material and process for forming positive dye images
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US4532128A (en) * 1981-09-15 1985-07-30 Dynapol Quaternary ammonium group-containing polymers having antimicrobial activity
US4552835A (en) * 1983-06-17 1985-11-12 Fuji Photo Film Co., Ltd. Silver halide photographic light-sensitive element having a light insensitive upper layer
DE3601657A1 (en) * 1985-01-22 1986-07-24 Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa PHOTOGRAPHIC ELEMENT FOR A SILVER SALT DIFFUSION TRANSFER METHOD
WO1986004694A1 (en) 1985-02-06 1986-08-14 Fuji Photo Film Co., Ltd. Silver halide photographic photo-sensitive material
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US4808510A (en) * 1987-08-20 1989-02-28 Eastman Kodak Company Photographic element and patternable mordant composition
US4812391A (en) * 1986-10-17 1989-03-14 Fuji Photo Film Co., Ltd. Silver halide photographic material containing polymer fixation accelerator
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US4879204A (en) * 1985-01-29 1989-11-07 Fuji Photo Film Co., Ltd. Silver halide photographic element containing anhydazine compound and specific dyes
US4920036A (en) * 1985-09-20 1990-04-24 Fuji Photo Film Co., Ltd. Photosensitive recording element having pigmented photopolymer layer
US4954339A (en) * 1987-12-23 1990-09-04 Smith Kline & French Laboratories Limited Novel polystyrene anion exchange polymers
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US3962527A (en) * 1973-03-09 1976-06-08 Eastman Kodak Company Novel polymers and photographic elements containing same
US4124386A (en) * 1973-10-24 1978-11-07 Fuji Photo Film Co., Ltd. Color diffusion transfer receiving layer comprising polymeric quaternary n-heterocyclic mordant
US4055429A (en) * 1975-11-13 1977-10-25 Eastman Kodak Company Inhibitor barrier layers for photographic materials
US4220700A (en) * 1978-02-03 1980-09-02 Eastman Kodak Company Continuous-tone dyed diazo imaging elements
US4220703A (en) * 1978-03-28 1980-09-02 Fuji Photo Film Co., Ltd. Photographic receiving layer with acid processed gelatin
US4312940A (en) * 1978-08-31 1982-01-26 Fuji Photo Film Co., Ltd. Photographic material containing a novel polymer mordant
US4308335A (en) * 1979-07-20 1981-12-29 Fuji Photo Film Co., Ltd. Color diffusion transfer photographic elements
DE3045447A1 (en) * 1979-12-03 1981-06-19 Polaroid Corp., 02139 Cambridge, Mass. PHOTOGRAPHIC RECORDING MATERIAL AND METHOD
US4247615A (en) * 1980-03-06 1981-01-27 Eastman Kodak Company Continuous-tone dyed diazo imaging process
US4374194A (en) * 1980-12-08 1983-02-15 Eastman Kodak Company Dye imbibition photohardenable imaging material and process for forming positive dye images
WO1983001002A1 (en) * 1981-09-15 1983-03-31 Dynapol Shareholders Liquidati Quaternary ammonium group-containing polymers having antimicrobial activity
US4482680A (en) * 1981-09-15 1984-11-13 Dynapol Quaternary ammonium group-containing polymers having antimicrobial activity
US4532128A (en) * 1981-09-15 1985-07-30 Dynapol Quaternary ammonium group-containing polymers having antimicrobial activity
US4552835A (en) * 1983-06-17 1985-11-12 Fuji Photo Film Co., Ltd. Silver halide photographic light-sensitive element having a light insensitive upper layer
DE3601657A1 (en) * 1985-01-22 1986-07-24 Fuji Photo Film Co., Ltd., Minami-Ashigara, Kanagawa PHOTOGRAPHIC ELEMENT FOR A SILVER SALT DIFFUSION TRANSFER METHOD
DE3601657C2 (en) * 1985-01-22 1998-01-29 Fuji Photo Film Co Ltd Photographic recording material for the silver salt diffusion transfer process
US4879204A (en) * 1985-01-29 1989-11-07 Fuji Photo Film Co., Ltd. Silver halide photographic element containing anhydazine compound and specific dyes
WO1986004694A1 (en) 1985-02-06 1986-08-14 Fuji Photo Film Co., Ltd. Silver halide photographic photo-sensitive material
EP0210660A2 (en) 1985-07-31 1987-02-04 Fuji Photo Film Co., Ltd. Image forming process
US4920036A (en) * 1985-09-20 1990-04-24 Fuji Photo Film Co., Ltd. Photosensitive recording element having pigmented photopolymer layer
US4812391A (en) * 1986-10-17 1989-03-14 Fuji Photo Film Co., Ltd. Silver halide photographic material containing polymer fixation accelerator
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BE820394A (en) 1975-03-26
FR2257608B1 (en) 1976-10-22
JPS5534417B2 (en) 1980-09-06
GB1474750A (en) 1977-05-25
AU7357374A (en) 1976-03-25
DE2445782A1 (en) 1975-04-03
FR2257608A1 (en) 1975-08-08
JPS5061228A (en) 1975-05-26
DE2445782B2 (en) 1979-06-28
CA1057994A (en) 1979-07-10

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