JPH02223949A - Color diffusion transfer photographic sensitive material - Google Patents

Abstract

PURPOSE:To allow the formation of a thin coated film with the strong film quality to obviate peeling at an intermediate layer and to accelerate a transfer rate by applying specific polymers respectively one kind of which are used. CONSTITUTION:This photosensitive material has photosensitive silver halide emulsion layers combined with dyestuff donative compds. which can release diffusive dyestuffs, an image receiving layer which can mordant the diffusive dyes, and a neutral layer. The material contains at least one kind of the polymers obtd. by subjecting at least one kind respectively of formulas I and II to polycondensation in the presence of an acid or alkaline catalyst. In the formulas, G denotes a hydroxyl group or group which can form a hydroxyl group by alkali hydrolysis; n denotes >=2 integer; R<1>, R<2> denote a substituent on a benzene ring; R<3>, R<4> denote a hydrogen atom, alkyl group, etc. The color mixing is prevented in this way and the thin film thickness is obtd. The time when the images are completed is short and the film strength is high, in addition, the adhesive strength to the adjacent layers is high and the peeling of the films near the intermediate layer is obviated.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a color diffusion transfer photographic material, and particularly to a color diffusion transfer photographic material that can quickly complete an image and has strong film strength. .

(Prior art) In color diffusion transfer and photographic light-sensitive materials, the active oxidant generated during development of one photosensitive layer diffuses to other color-sensitive photosensitive layers or dye-releasing compound-containing layers. It is well known to provide an intermediate layer to prevent color mixing. Therefore, it is well known that this intermediate layer contains a color mixing prevention agent (or color stain prevention agent).

Typical color mixture inhibitors include hydroquinone compounds, such as those disclosed in U.S. Patent λ, No. 360,220,
Reference/Ri, Bu No. 73, same, No. 3〜7-/, same J, 9
Mono-1-alkylhydroquinones are disclosed in US Pat.
P-10bu 3-2, 10-/1441-31. K is a monobranched alkylhydroquinone such as West German Patent Publication Co/4'5'7T, etc.
° Same. 73, No. 300, 31, 3. -Tasan No.,
3°700, Daj No. 3, British Patent 7! KO, L Part No., JP-A-10-/J≦41-J1, JP-A-13-TA-J-, J-Darko-2t-37, JP-A-1989-. Dialkyl-substituted hydroquinones 7 are used in 2/Koda No. 2, etc., alkylhydroquinones are shown in U.S. Patent Nos. ≠, /PI, and tlJ, and acyl groups and nitro groups are used in U.S. Patent No. ≠, /PI, and Co3. , a hydroquinone whose nucleus is substituted with an electron-withdrawing group such as a cyano group, a formyl group, or a halogenated alkyl group,
Furthermore, U.S. Pat. Hydroquinones substituted with 7 and JP-A No. 37-1987 have proposed hydroquinones having an electron-withdrawing group, for example hydroquinone substituted with a carbamoyl group.

As a color mixture prevention agent, only those having sufficient diffusion resistance are of practical use; for example, in the case of dialkyl hydroquinone, the total number of carbon atoms in the dialkyl moiety must be 30 or more. Many of these hydroquino/compounds are in the form of oil. If a large amount of oily compound is contained in the intermediate layer, the film becomes soft, or it oozes out and mixes into other layers (71).
) is required in large quantities, resulting in a thick film.

In order to increase the commercial value of the 10,000 color diffusion transfer photographic material, it is very important that the time from the start of processing to the completion of the image is short, that is, the completion of the image is quick. Therefore, many efforts have been made to speed up the completion of images, among them making the photosensitive material thinner (thinning the layer), that is, shortening the diffusion distance for the dye to reach the image-receiving layer. is the most important and effective. Reducing the amount of binder (e.g. gelatin) in each layer is effective for thinning the layer, but reducing the amount of binder may result in, for example: (1) a decrease in the strength of the film, and (2) a decrease in the adhesion between adjacent layers. It will peel off,
This has disadvantages such as deterioration of film quality, such as a decrease in the retention of emulsions, emulsions, etc. present in the layer 0, and migration of compounds to adjacent layers during long-term storage.

Among these disadvantages, the strength of the film and adhesion with adjacent layers are particularly problematic in the case of photographic materials that are peeled off from the film unit supporting the image after the image is completed. If the intermediate layer (color mixing preventive agent) is separated from the adjacent layer with the same force or weaker force than the release layer provided for the purpose, the intermediate layer will not be peeled off reliably at the release layer, but will peel off at the intermediate layer. This is true. If the intermediate layer peels off, the image in the image-receiving layer becomes invisible, resulting in a fatal failure.

Among various peeling methods, an example in which the film quality of the intermediate layer is the most important is described in Japanese Patent Application Laid-Open No. 2002-260026. The basic composition of this system is l) white support, c) image receiving layer, 3
) Peeling layer, ri) Cyan coloring material layer, t) Silver halide emulsion layer, a) Intermediate layer, 7) Magenta coloring material layer, t) Silver halide emulsion layer, ri) Intermediate layer, IO) Yellow coloring material layer ,//) Since the silver halide emulsion layer is a protective layer, it is impossible to even see the image unless it can be reliably peeled off with a release layer. However, when a conventional intermediate layer is used, the intermediate layer often peels off, and it has been strongly desired to strengthen the film quality of the intermediate layer.

Further, even in the method described in Japanese Patent Application Laid-Open No. 10-12212 Turco Q7-7, peeling in the intermediate layer was a major defect.

10,000, Special Public Showa 4ca-itJzt, 4Ar-33t
No. 27, Japanese Patent Application Publication No. 1989-/JOdaO and British Patent/,
! 30. In the laminated body MM (integrated type) described in No. J2 etc. and the normal peel-a l) method, there is a strong demand to increase the image completion speed, and it is necessary to increase the speed of image completion. There is a need for a layerable intermediate layer (color mixing prevention layer).

It is effective not only to make the intermediate layer itself thinner, but also to make the intermediate layer such that the isolation layer for preventing mixing of the intermediate layer and the dye-providing compound layer can be removed. The purpose of the isolation layer described in Japanese Patent Publication ShojO-/jλt No. 7 is to improve the shelf life of the photosensitive material, and its purpose is to prevent mixing of the intermediate layer and the dye-donating compound layer during raw storage. If the intermediate layer is not easily mixed with the dye-providing compound layer, the isolation layer becomes unnecessary, and it has also been desired to have such an intermediate layer that has good shelf life.

(Problems to be Solved by the Invention) The objects of the present invention are to prevent color mixing in a color diffusion transfer photographic light-sensitive material, to have a thin film, to shorten image completion time, to have strong single film strength, and to have strong adhesion with adjacent layers. An object of the present invention is to provide a color diffusion transfer photographic material that has strong adhesive properties and does not peel off near the intermediate layer.

(Means for Solving the Problems) The present inventors have discovered that the above object can be effectively achieved with the following photosensitive element.

That is, the object of the present invention is to provide a color diffusion transfer having at least a light-sensitive silver halide emulsion layer combined with a dye-providing compound capable of releasing a diffusible dye, an image receiving layer capable of mordanting the diffusible dye, and a neutralizing layer. A color diffusion transfer photographic light-sensitive material containing at least one polymer obtained by polycondensing at least one of the following general formulas (1) and (II) under an acid or alkali catalyst in t-% of the photographic light-sensitive material. was effectively achieved by

Hereinafter, the polymer of the present invention will be referred to as a polymeric color stain inhibitor.

General formula (1) will be explained in more detail below.

R' and R1 are hydrogen atoms or substitutable groups, and examples of such groups include halogen atoms, cyano groups, nurpho groups, carboxyl groups, substituted or unsubstituted alkyl groups, aryl groups, aralkyl groups, and acyloxy groups. group, acylamino group, amino group, sulfo/amide group, alkoxy group, aryloxy group, alkylthio group, arylthio group, carbamoyl group, sulfamoyl group, alkoxycarbonyl group, aryloxycarbonyl group, alkylsulfonyl group, arylsulfonyl group, alkoxysulfonyl group group, aryloxysulfonyl group, carbamoylamino group, sulfamoylamino group, carbamoyloxy group,
When R1 and 82 are adjacent to each other, an alkoxycarbonylamino group or an aryloxycarbonylamino group may be condensed to form a carbocycle or a heterocycle.

The alkyl groups of R3 and R4 may be linear, branched, or cyclic. Examples of allyl groups in 几3 are phenyl and naphthyl groups; examples of acyl groups in R3 and R' are benzyl and 7-enethyl groups; and examples of heterocycles include enzyme-containing rings. , nitrogen-containing ring, sulfur-containing ring, enzyme-containing-nitrogen ring, sulfur-containing nitrogen ring, etc.

Substituents for R1 to R include a halogen atom, a nitro group, a cyano group, an alkyl group, a substituted alkyl group, an alkoxy group,
Substituted alkoxy group, -NHCOR group (R
is an alkyl group, substituted alkyl group, phenyl group-substituted phenyl group, aralkyl group, substituted aralkyl group)
, -〇HO group, -N)1802R'(R' has the same meaning as above), -8OR' (R has the same meaning as above), -80,R (R
is the same as the above), -COR (R is the same as the above), -COR (R is the same as the above),
Examples include an amino group (which may be substituted with an alkyl group), a hydroxyl group, and a group that forms a hydroxyl group by hydrolysis.

Furthermore, a substituted alkyl group, a substituted alkoxy group in the substituent,
Examples of substituents for the substituted phenyl group and substituted aralkyl group include a hydroxyl group, a nitro group, an alkoxy group having 7 to about 2 carbon atoms, and a group represented by -NH80□B (R is the same as above)
, a group represented by -NHCOR' (R has the same meaning as above), may be the same or different, a hydrogen atom, an alkyl group, a substituted alkyl group, a phenyl group, a substituted 7-enyl group, an aralkyl group, Substituted aralkyl foundation), 几11 has the same meaning as above), -80,R'(R'IIi has the same meaning as above), -〇(JR (R has the same meaning as above), halogen atom, cyano group, amino group ( (optionally substituted with an alkyl group).

G1, G 2 , G 2 , and G 2 are hydroxy groups or groups that generate hydroxy groups upon hydrolysis or the like.

Examples of substituents for hydroxy groups that generate hydroxy groups upon hydrolysis include acyl groups (such as acetyl groups and benzoyl groups), oxycarbonyl groups (such as ethoxycarbonyl groups, benzyloxycarbonyl groups, and te).
rt-butyloxycarbonyl group or phenoxycarbonyl group), carbamoyl group (for example, N, N-diethylcarbamoyl, N-diethylcarbamoyl group, etc.), sulfonyl group (for example, methanesulfonyl group or benzenesulfonyl group) etc.), 3-ketobutyl group, substituted aminomethyl group (fFlj includes N,N-dimethylaminomethyl group, I,!-diketopyrrolidinomethyl group, etc.), and phthalide group.

In the general formula (1), preferably 11'', R2 may be the same or different, hydrogen atom, sulfo group, carboxy group, hydroxy group, substituted or unsubstituted alkyl group having 1 to 1 carbon atoms, carbon number /-/r substituted or unsubstituted alkoxy group, unsubstituted or carbon number l to /l
An alkyl group or an amine group substituted with a phenyl group having from 7 to J4 carbon atoms (alkyl group, which may be used alone or fused via a heteroatom), a substituted or unsubstituted phenyl group having from 7 to J4 carbon atoms carbamoyl group or sulfamoyl group substituted with an alkyl group having 7 or more carbon atoms or a phenyl group having 6 or more carbon atoms (an alkyl group may be used alone or may be fused via a hetero atom) ), a substituted or unsubstituted alkylsulfonamide group or acylamino group having from t to it carbon atoms, a substituted or unsubstituted phenylsulfonamide group or acylamino group having from t to -d carbon atoms, a substituted or acylamino group having /-/1 carbon atoms; Unsubstituted alkyl or substituted or unsubstituted phenylsulfonyl group having 6 to -1 carbon atoms, substituted or unsubstituted alkoxycarbonyl group having 1 to 1 carbon atoms, or substituted or unsubstituted alkylcarbonyl group having 1 to 1 carbon atoms Wise, G□, G2, G
3, G4 represents a hydroxyl group, m, nFiO, or -, R and R4 are hydrogen atoms, or each substituted,
Alkyl group with carbon number /-/1 without snow change, carbon number 7 ~ CoJ
represents an aralkyl group, a phenyl group with a carbon number of t-λ≠, a pyridi/group, and a furan ring.

Among the general formulas (1), preferred compounds are those of the general formula (II
I), (fV), (V), (l), and particularly preferred compounds are represented by the general formula (V), (1).

H In the general formula (III), (FIT'), (V), (l) and R2 have the same meanings as above.

! Specific examples of (1) and (II) are shown below,
Of course, the present invention is not limited to this.

R1 le 2 −j 1-// 1-/ko [-r 几 is a mixed alkyl group having a carbon number of 10~/l ■-/3 1-/Hiroshi Summer-2 ■-70 -1s 1-ibu υh υh I-/7 1-/t l-ivy ! −−〇 h −j n-C7H,,C)10 n-C11H,3CHO [-7 ■-ta ■-10 fJ-// 1-/ko ■-1) ■--- -JJ ■−2≠ [-i ■−ko )10H0 H30HO [-J [-a C)i,0C)i,CHO n-03H70HO ■-Nosan 1[-/j 1[-/j fJ-/7 [-/1 0)1C-C)10 paraformaldehyde 1-/ri ■－－〇 1-. 2/ ■−11 1-. 2J ■−−≠ 1-J.

■－－! ■--t [-Jl αCH2CC)12α ■-17 CHCCH2C)i20)1 ■-ko? Polymers using at least one type of each of general formulas (I) and (n) may be polymerized by condensation polymerization using one type each of (1) and (II), or by using several combinations of (1) and (■). It's okay.

Furthermore, in order to change the properties (solubility, molecular weight, etc.) of the polymer, any compound may be added during or after the polymerization.

Examples of compounds that change the properties of such polymers include the following, but are not limited thereto.

Various solvents, acids (inorganic, organic), bases (inorganic, organic), phenols, salts (inorganic, organic), shrimp chlorhydride/,
Melamine, lignin, chroman, indene, xylem/,
Thiophene, polyamide compound, fatty acid amide, polyvinyl alcohol, polyvinyl compound, ester, acid halide, alkyl halide, carboxylic acid The polymer of the present invention is written by Arata Murayama, phenolic resin (published by Nikkan Kogyo Shimbun) It can be synthesized according to the synthesis method described in .

Among the polymers used in the photographic light-sensitive material of the present invention, the content of the compound represented by general formula (I) is 10 to
Heavy weight is preferred.

When the polymer-based antifouling agent used in the present invention contains a long-chain alkyl (having more than 1 carbon atoms) in the polymer, it is preferable that the weight average molecular weight is -OO to t, ooo. In addition, when the long-chain alkyl is not included, the weight average molecular weight is preferably 200 or more. Moreover, -2000 or more is particularly preferable. Furthermore, long chain alkyls can be condensed and introduced into the resulting polymer by polymeric reactions.

Next, a method for synthesizing an alternative polymer of the present invention will be specifically described.

Synthesis Example 1 Synthesis of Polymer Commercially available catechol coco f (0.2 mol) and commercially available product 3j-
Formalin / 7t (0, -mol) to ethanol jOt
Add xl and internal temperature? Stir and maintain at 0.6C. IN hydrochloric acid was added as a catalyst for 3 days and the reaction was allowed to proceed for t hours. After the reaction, unreacted catechol and formalin were expelled by steam distillation, and the remaining resin was dissolved in methanol JOwl and 300% water was added.
1 is reprecipitated, purified and dried to obtain the target product /J'? Obtained(
The average molecular weight was /100).

Synthesis Example 2 Polymer Synthesis Synthesis Example/Polymer Obtained/ Here, Otsu? (Unit per t
) o, i mol) and triethylamine/-1! f(o,
Palmitoyl chloride Synthesis Example 4 Synthesis of the chemical compound of the present invention by Kohiro Commercial product Piroga C! -A//Of (I Ommol
) and 17 tons JOt(0,jmOl)t-phosphorus oxychloride/, JP(fmmol) as a catalyst by stirring at room temperature.
) is added. Afterwards, the mixture was heated until 77 tons were refluxed and reacted for 1 hour, and then acetone JOt was added and cooled to room temperature. After cooling, the reaction solution was reprecipitated in water JOOal, and the precipitate was dried three times to obtain the desired product Nokot.

(The average molecular weight was 3,000.
Jmmol) and synthesized to obtain the target product l/, I
I got t. (The average molecular weight was 000.) Synthesis Example 6 Compound 31 of the present invention was obtained according to the method described above.

Synthesis Example 7 Synthesis of Compound 3 of the Present Invention ■-/1su (o, 4A mol) and l-jλ ≠0, At
(0, comole) and commercial product Forma I) 7! /y (o, t mol) of ethanol/! Od was added, and the mixture was stirred at an internal temperature of o'C. To this, 3 d of 7N hydrochloric acid was added and stirred for t1 hour. After that, unreacted 1-/ and formalin were removed by steam distillation, and after concentration, Sephadex was used as a column carrier, and Mel'/- was used as a developing solvent.
The target product≠3t was obtained by column purification using olume).

(The average molecular weight was /, 10θ.) The compound of the present invention may be added to the silver halide emulsion layer or to the non-photosensitive layer, but is preferably added to the non-photosensitive layer. . Furthermore, the same compound may be added to different layers, or one or more different compounds may be added to the same layer. The amount added is calculated as l×IQ− in terms of units derived from general formula (1) K.
6~/×10 mol/m, preferably lO
~1O mol/m2.

The compound of the present invention is preferably used as a color mixture prevention agent, but it may also be used as a color fog prevention agent in the silver halide emulsion layer, and in that case, the amount added is calculated in units derived from general formula (1) K. do/.

0X10-' ~/, (7X/(7 mopv/m, preferably i, oxio Si, oxio mol/m
It is 2.

The compound of the present invention can be introduced into the photosensitive material by various known dispersion methods, and typical examples include solid dispersion method, alkaline dispersion method, preferably Fi Miraterra 2 dispersion method, and more preferably oil-in-water dispersion method. Can be done. In the oil-in-water dispersion method, either a high-boiling organic solvent with a boiling point of 77 joC or higher and a so-called auxiliary solvent with a low boiling point are dissolved either alone or in a mixture of the two, and then water or water is dissolved in the presence of a surfactant. Finely dispersed in an aqueous medium such as an aqueous gelatin solution.

Examples of high boiling point organic solvents are described in US Pat. Dispersion may be accompanied by phase inversion,
Further, if necessary, the auxiliary solvent may be removed or reduced by distillation, noodle washing, ultrafiltration, etc. before use for coating.

Specific examples of high-boiling gA solvents include phthalic acid esters (dibutyl phthalate, dicyclohexyl phthalate, dicoethylhexyl phthalate, didodecyl heptatalate, etc.), esters of sulfur/acid or phosphonic acid (
Triphenyl phosphate, tricresyl phosphate, -ethylhexyl diphenyl phosphate, tricyclohexyl phosphate, trichoethylhexyl phosphate, tridodecyl fonuphat, tributoxyethyl phosphate, trichloropropyl fonuphat, C-ethylhexylphenyl phosphonate ), benzoic acid esters (-monoethylhexylbenzoate, dodecylbenzoate, -monoethylhexyl-p
-Hydroxybenzoate, etc.), amides (diethyldodecanamide, N-tetradecylpyrrolid, etc.), alcohols, and phenols (isostearyl alcohol, di-tert-amylphenol, etc.)
, aliphatic carmenic acid esters (dioctyl azelate, glycerol tributyrate, instearyl lactate, trioctyl citrate, etc.), aniline derivatives (N,N-dibutyl-cobutoxyj-1ert-octylanili7, etc.), Examples include hydrocarbons (paraffin, dodecylbenzene, diisopropyl naphthalene, etc.), etc., and as co-solvents, those having a boiling point of about 30" to about lto'C can be used, typical examples being ethyl acetate, Examples include butyl acetate, ethyl propionate, methyl ethyl ketone, cyclohexanone, -monoethoxyether acetate, dimethylformamide, and the like.

Latex dispersion methods can be applied to the dispersion of the compounds of the invention,
The process, effects and specific examples of latex for impregnation are as follows:
US Patent No. Hiroshi/Tata, No. 3t3, 0LStJIIJ,
! 4I/, J74I- and OLS 1st.

! It is described in U/, No. 230, etc.

Power of the present invention - In a preferred embodiment of the diffusion transfer photographic light-sensitive material, a combination of a blue-sensitive emulsion layer, a green-sensitive emulsion layer and a red-sensitive emulsion layer, or a combination of a green-sensitive emulsion layer, a red-sensitive emulsion layer and an infrared-sensitive emulsion layer is used. or a combination of a blue-sensitive emulsion layer, a red-sensitive emulsion layer, and an infrared-sensitive emulsion layer, and a yellow dye-releasing redox compound (hereinafter, dye-releasing redox compound = iDRR compound) in each emulsion layer. ), a maze/reflection compound, and a cyan DRR compound (herein, "infrared light-sensitive emulsion layer" is a layer that is sensitive to light of 700 nm or more, particularly 7410 nm or more). ).

In the present invention, it refers to a layer in which a silver halide emulsion layer combined with a DRR compound and a FiDRR compound and a silver halide emulsion are added in the same layer or in a separate layer adjacent to each other.

The typical form of the film unit used in the color diffusion transfer method is that an image receiving element and a photosensitive element are placed on one transparent support, and after the transferred image is completed, the photosensitive element is transferred to the image receiving element. There are forms that do not require peeling from the element. The image receiving element comprises at least one mordant layer, and between the mordant layer and the photosensitive layer or the DRR compound-containing layer, a white reflective layer containing a solid pigment such as titanium oxide is provided so that the transferred image can be viewed through the transparent support. is provided.

A light shielding layer may be further provided between the white reflective layer and the photosensitive layer in order to allow the printing process to be completed in a bright place. Further, if desired, a peeling layer may be provided at an appropriate position to allow all or part of the photosensitive element to be peeled off from the image receiving element. , Canadian Patent ≦717, Or-).
In another form that does not require peeling, the photosensitive element described above is coated on one transparent support, a white reflective layer is coated on it, and an image-receiving layer is further laminated thereon.

A method in which a receiving element, a white reflective layer, a peeling layer, and a photosensitive element are laminated on the same support, and the photosensitive element is intentionally peeled off from the image receiving element is disclosed in the US patent! ,730.7
It is described in No. 1t.

In addition, as described in Japanese Patent Application Laid-Open No. 2006-22221, an image receiving layer, a release layer, and a DRIL layer are formed on a white reflective support.
A photosensitive layer combined with a compound is sequentially provided, an alkaline processing agent is spread between the transparent cover sheet having a neutralizing function and the photosensitive layer, and after the treatment, the white reflective support and the image receiving layer are exposed at the release layer. The present invention is also preferably used for film units that are peelable from layers.

On the other hand, there are two types of conventional forms in which a photosensitive element and an image-receiving element are separately coated on two supports.
One is a peelable type 69, and the other is a peelable type. To explain these in more detail, a preferred embodiment of the peelable ffi film unit has a light reflective layer on the back side of the support, and at least one image receiving layer is coated on the back side of the support. In addition, the photosensitive element is coated on a support having a light-shielding layer, and the surface coated with the photosensitive layer and the mordant layer do not face each other before the end of exposure, but the surface coated with the light-sensitive layer does not face each other after the end of exposure (for example, during development). The surface is designed so that it turns over and overlaps the image-receiving coated surface.After the transferred image is completed with the mordant layer, the photosensitive element is quickly peeled off from the image-receiving element.

In a preferred embodiment of the peel-free film unit, at least one mordant layer is coated on a transparent support, and a photosensitive element is coated on a support having a transparent or light-blocking layer. , the surface on which the photosensitive layer is applied and the surface on which the mordant layer is applied are faced and overlapped.

The above-described color diffusion transfer system is usually further combined with a pressure-rupturable container (processing element) containing an alkaline processing liquid. In particular, in a peel-free film unit in which an image-receiving element and a photosensitive element are laminated on one support, the processing element is preferably disposed between the photosensitive element and a cover sheet overlaid thereon. Further, in the case where a photosensitive element and an image receiving element are separately coated on two supports, it is preferable that the processing element is placed between the photosensitive element and the image receiving element at the latest during development processing. Depending on the form of the film unit, the processing element may include a light blocking agent (such as carbon black or a dye whose color changes depending on DH).
and/or white #i family (at titanium, etc.). Further, in color diffusion transfer film units, a neutralization timing mechanism comprising a combination of a neutralization layer and a neutralization timing layer is preferably incorporated into the cover sheet, the receiver element, or the photosensitive element.

The above-mentioned film unit is JP-Kokusho 4tl-JJt 7, JP-A-Shosan t-≠3377, and the same! It is processed into a monosheet using mask material, rail material, excess liquid trap material, etc. in the same way as described in No. 0-7134, No. 1027, and No. 1027 of J-Art Kota. is common.

In particular, 1Resea is used to facilitate peeling after treatment.
It is effective to insert a slit as described in rch Disclosure No. 423025 (3 years). The shape, depth, etc. of the slit are selected depending on the physical properties of the white support used.

The size of the film unit is arbitrary, but in addition to the size of the currently commercially available I/S/T films, more compact film sizes or larger film sizes can be used.

In order to take a photograph using the above film unit, it is necessary to form a mirror image of the subject on the film. For this purpose it is necessary to use mirrors.

Regarding this type of camera, U.S. Patent No.
4c4!7, known as μ37.

In the present invention, a haptic compound in combination with a dye-providing compound is used.
A photosensitive layer consisting of a silver germide emulsion layer is provided.

Its components will be described below.

(1) Dye-donor compound The dye-donor compound used in the present invention is either a non-diffusible compound that releases a diffusible dye (which may also be a dye precursor) in association with a redox reaction, or a compound whose diffusivity itself changes. 1゜Photograph Cl Sesno Theory"T
the theory of the photogra
phic Process'' 1st edition.

Any of these compounds can be represented by the following general formula (CI).

DYE-Y (1) Here, DYE refers to a dye or its precursor, and Y refers to a component that provides a compound with diffusivity different from the compound under alkaline conditions. Depending on the function of Y, silver is roughly divided into negative-type compounds that become diffusible in the silver developed area and positive-type compounds that become diffusible in the undeveloped area.

Specific examples of negative-type Y include those that oxidize and cleave as a result of development to release a diffusible dye.

A specific example of Y is given in U.S. Patent 3. Octopus I, J/Co, same J, P
PJ, No. 431, 41,074. jt, 2P issue, μ
,/! Ko,/! No. 3, same gu, θJJ, 41 coj, same ≠
, 0! J, J/- issue, same≠, /ri r.

No. 231, Douan, /7ri, No. 127, Douan, l visit, 1
No. 21, J, T-Hiroshi, No. 711, J.

4c17.24Cj issue, same! , 71/, 4IO issue, same! , 4I--3, RiJri issue, same 3. Reference No. 3.2470, J, 421. No. 32, 3. Rito, 3rd page issue,
Same Da, /IJ, No. 713, Same Da, Nodako, IP/ No., Dou, Core 1.710, Same, /J Ri.

No. 372, Douan, 2/1, No. 361, No. 3I reference/,
? 4! No., Dohiro, l Tata, JjJ No., Douan.

/fri, issue 310, same 4cl no JJ,? -No. 2, same reference,
33bu, 3ko1 issue, douyu, no 3ri, Jtri issue, Tokukai Sho J
J-JO7J4 No. 104/13 Hiroshi No. 3, J-JO
Dar/JO/No. 2-, JJ-/10127, j4
-Noko wo Hiro- issue, same j-4-/4/J issue, 1Wlj7
Ichida Ohiro No. 3, J7-610, No. 17-, . 207
Jj No., JJ-Jri No. 033, No. 144-/JO92
No. 7, same! ≦-7 Buri 34c, Same 17-//fJ4
It is written in AJ issue etc.

Among Y of the negative dye-releasing redox compound, a particularly preferable group is a N-substituted sul-7-amoyl group (the N-substituent is a group derived from an aromatic hydrocarbon ring or a heterocycle). . Representative groups of Y are shown below, but are not limited to these.

For H-positive compounds, Angewante Hemi International Edesho/English (Ang
ev, Cbem, In5t, Ed, Engl.).

-1, /ri/ (Tuta tko) is described.

A specific example is a compound (dye developer) that is initially diffusible under alkaline conditions but becomes non-diffusible upon oxidation during development. An example of Y that is effective for this type of compound is U.S. Patent Kota TST.

The one drilled in No. 6 is a typical example.

Another type is one that releases a diffusible dye by self-closing under alkaline conditions, but substantially ceases to release the dye when oxidized during development. For a specific example of Y having such a function, see US Patent 3. Rito.

Hiro 7ri, JP-A-Sho JJ-Buri 033, J-Dar 730 Turf, U.S. Patent 3. μ-no, ritda, same sadness.

Notata, 3! ! etc. are listed.

Another type is that it does not itself release any pigment, but
Some release dyes when reduced.

Jinnoya's compound is used in combination with an electron donor,
The diffusible dye can be released imagewise by reaction with the remaining electron donor imagewise oxidized by silver development. Regarding atomic groups having such functions, for example, US Pat. No. 47. /13,7j3, same 4t, /dako,! 2 no. 41. J71r, 7jO1 companion, /Jri, 375'
, Dohiro, , 2ir, s4g, JP-A-Shoj3-/10r core, US patent reference.

271.710. Same fellow, JjA, same fellow.

JJI, Jco J1 JP-A-13-/10r core, J-Ko-
/JOP Core, 74-/4! J san J, public branch root 17-
6/Tata, European Patent Publication, 2co07≠6A-, etc.

Specific examples are shown below, but the invention is not limited to these.

When this type of compound is used, a diffusion-resistant electron donor compound (known as an ED compound) is preferably used in combination with its precursor. E
Examples of D compounds include U.S. Pat.
It is described in No. 36, etc.

As specific examples of other types of dye-forming substances, the following may also be used.

16H31 (In the formula, DYE represents a dye having the same meaning as mentioned above or its precursor.) The details are in the US patent! , 7/ri, ≠lri issue and the same reference, 0ri r, 713 issue.

On the other hand, specific examples of dyes that can be used with DYE having the above general formula are described in the following literature.

Example of yellow dye: U.S. Patent J, No. 7,200, No. 3,302°/P5
'No., same da, 0/J, tJJ no., same da, Kohiro 2.0ko1
Issue, same concern, /! t, No. 602, ibid.

/3ri, 313, Dohiro, iyz, yyko issue, Douan, /
Dar, 4 Da No. 7, Douan, / Da 1,4413, Douu, 3
3bu, 3-1; Tokukaisho! /-//μ2JO issue, 76
-7107 issue: 几searchDisclosure
e/7tJO (IP71) No. 71 (/9)
77).

Example of magenta dye: US patent! , 4AJJ, No. 107, same j, 74c4
c.

! 4cJ No., same J, ri JJ, 310, same J, 23/,
/4ce, J, 932.301, J.

Ri Jsan, 4c7 Haruka, Dohiro, Ko JJ, λ37, Douan,
No. 211, 109, same concern, ko 10. -Hiroshi, same concern, l
≠Ko, tP1, Do-, Ko07, 10 Hiro, Dodo, Ko1
7. - Octopus issue: Tokukai Shoj J-104, 7 Kotsu issue, same ta
-iobu 7-7, jJ-JJ, jJr, 11-
16.10≠ issue, 14-73,017, 34-7
No. 1040, as described in JJ-Noah No. 1.

Example of cyan dye: U.S. Patent J, No. 1, No. 7, U.S. Pat.

No. 740, Douan, 0/J, No. 631, Dou, Kobu f, 4
JJ issue, Douan, /7/, 220 No. 1, Douan.

J$J, 4cJ1, dou, i4c*, tri, doyu, /PI, tatada, doda, l hiro7. j Hirosango, Doujin,
Hirot, t#12; British Patent/, 11/.

No. 131: % Kaisho J San-2 free No. 31, same! --11
No. 27, same! ! -47123, same JJ-/Reference JJJJ
No., J No. 22 No. 37, No. J4-7104/;l
- Rotupa Patent (EPO) No. t3゜037, same j j,
0440: 1esearchD1scloseur
e/7, bu JO (/ri71) issue, and same/bu,
What is described in No. 71 (277).

(2) Silver halide emulsion The silver halide emulsion used in the present invention may be a negative emulsion that forms a latent image mainly on six silver halide grains, or
It may be an internal latent image type direct positive emulsion that forms a latent image inside the silver halide grains.

Internal latent image type direct positive emulsions include, for example, so-called "comperdimine type" emulsions made using the dissolution reaction of silver halide, doping with metal ions, chemical sensitization, or both. "Core/shell type" in which at least the photosensitive sites of the inner silver halide grains are coated with the outer shell of silver halide.
There are emulsions, etc., which are covered by US patents such as
230. Same J, 206. J/J, British Patent/.

OJ7. /4c4, U.S. Patent j, 7J/, J74° 3
．． riss, oi4c, same J, 4c17. Octopus 7, the same one,
Reference F7,171. Same, 143,711゜ Same J, J! /
, 6buko, same person, Jrij, 4471° West German patent, m,
101. It is described in U.S. Pat. No. 4, No. 37,730, etc.

In addition, when using an internal latent gII type direct positive emulsion,
It is necessary to give turnip seeds six times using a light exposure or a nucleating agent.

As a nucleating agent for this purpose, L11l Patent Co., j4J, 71
1. Same, 111. ftJIlc described hydrazi 7
Class, U.S. Patent 3. Cocoa, 11 hydrazides, human hydrazides, British patent, λtJ, 131. Tokukai Sho J-1 ≦ Ribu JJ.

U.S. Patent J, t/j, 6/J, U.S. Patent J, 7/P, #P4C
,same! , 7344,731. Same u, ay4c, ttJ,
Heterocyclic reference salt compound described in the same reference, //j, /-1, US patent! , 7/1, 4L7011C is described,
A sensitizing dye having a substituent with a nucleating effect in the dye molecule,
U.S. Patent U, 030. Octopus J1 #, 03/, /27,
Same 4', J$7,777, Same Da, J! Thiourea-bonded acylhydrazine compounds described in J, j/no, Douyu, Ko≦6.0/J, Douu, J74,744A, British Co., Ltd., 0/J, 4l--J, etc. , and U.S. patents u, oro,
Core 01 same l, Core 1, 7 reference t1 British patent co, 0//,
! ? /B etc., such as thioamide rings and triazoles,
Acylhydrazine compounds having a heterocyclic group such as tetrazole bonded as an adsorption group are used.

Misfire F! In A, a spectral sensitizing dye is used in combination with these negative emulsions and internal latent image type direct positive emulsions.

A specific example is JP-A-ShojP-/II! No. 10,
Same 6O-14IOJJ! No., Research Disclosure (RD)/70, US Pat.

1414.300. Same J, 071,233.

oty,iari,identical,ノ≦! , JJI, same.

23/, tit, same,? /7. J/l, same 3゜JJJ
, 117, 3. Reference//, f/≦, same.

-Fj, core 4, same! -1/, AftS same.

art, z san j 1 same co,? -1,047, 3゜arJ
, ri JJ, ri J, JP7.0≦01 3゜460.10
J, same! , 331,010. 3゜JJJ, 610. Same s, sea, 4Irt, same J.

Bu-J, II/, same J, 7/r, -70. Dohiro.

It is described in OJJ, J Mairi, etc.

(3) Structure of the photosensitive layer In order to reproduce natural colors by the subtractive color method, a dye image that provides a dye having selective spectral absorption in the same wavelength range as the emulsion spectrally sensitized with the above-mentioned spectral sensitizing dye is used. A photosensitive layer consisting of at least two in combination with a forming substance is used. The emulsion and the dye image-forming substance may be coated as separate layers, or
Alternatively, they may be mixed and applied as a single layer. A separate layer is preferable when the dye image-forming material coated has absorption in the spectral sensitivity range of the emulsion with which it is combined.

Further, the emulsion layer may be composed of a plurality of emulsion layers having different sensitivities, and an arbitrary layer may be provided between the emulsion layer and the dye image forming material layer. For example, a layer containing a nucleating development accelerator described in JP-A-60-1988-733 Hirono;
It is also possible to increase the sensitivity of the photosensitive element by providing a second wall layer to increase the color image density as described in JP-A/JJ4A, and by providing a nine-reflection layer as described in JP-A No. 1973/JJ4A.

In a preferred multilayer structure, a blue-sensitive emulsion combination unit, a green-sensitive emulsion combination unit, and a red-sensitive emulsion combination unit are arranged in this order from the exposure side.

Any layer may be provided between each emulsion layer unit, if necessary. In particular, an intermediate layer containing the compound of the present invention is provided in order to prevent undesirable effects caused by the development effect of one emulsion layer not extending to other emulsion layer units.

In the present invention, if necessary, an anti-irradiation layer, an isolation layer, a protective layer, etc. are coated.

Examples of the support for the color photosensitive material of the present invention include paper and synthetic polymers (films). Specifically, polyethylene terephthalate, polycarbonate,
Polyvinyl chloride, polystyrene, polypropylene, polyimide, cellulose (e.g. triacetyl cellulose) or films of these materials containing pigments such as teta oxide, etc., as well as film method synthetic paper made from polypropylene, polyethylene, etc. Mixed paper made from synthetic resin/ruzo and natural/pure resin, Yankee paper, baryta paper, coachite paper (% of cast coated paper), metal, cloth, glass, etc. are used.

These can be used alone, or can be fully laminated on one or both sides with a synthetic polymer such as polyethylene and used as a subsequent support.

In addition to this, there are also JP-A-Ko-T Koko J3/J2 (2F) ~ (3
/) can be used.

A hydrophilic binder, alumina sol, a semiconducting metal oxide such as tin oxide, carbon black or other antistatic agent may be applied to different surfaces of these supports.

In the present invention, a light shielding layer N may be provided for the purpose of completely shielding the photosensitive layer from external light during the development process, thereby enabling processing under daylight. Specifically, a layer containing a light shielding agent is coated on the back side of the support or between the emulsion layer and the support, or
Alternatively, a layer containing a light shielding agent may be provided in the support. Although any material having a light blocking function can be used, carbon black is preferably used.

The binder used to apply the light shielding agent may be any binder that can disperse carbon black, and gelatin is preferred.

In the present invention, a release layer may be provided between the emulsion layer combined with the dye image-forming material and the dye image-receiving layer, and the emulsion layer may be peeled off after processing. This release layer must maintain close contact between the image-receiving layer and the emulsion layer in an unprocessed state, and must be easily peelable after processing. Examples of this ninth material include JP Akihiro 7-t2J7, JP-Akihiro 7-t2J7, JP-Akihiro 7-t2J7, JP-Akihiro 7-t2J7,
Jterkokota! j1. ≠ 2-da 4 j j, U.S. Pat.
24707! .

U.S. Patent No. 32271JO, the same core! , same 4t≠
0/74<≦, those described in Doko 36 Ro-7 etc. can be used. One specific example is water-soluble (or alkali-soluble) cellulose derivatives. For example, hydroxyethyl cellulose, cellulose acetate-7 tallate, plasticized methyl cellulose,
Ethyl cellulose, cellulose nitrate, carboxymethyl cellulose, etc. Another example is natural polymers such as alginic acid, ikte/, gum arabic,
and so on. Various modified gelatins such as acetylated gelatin and heptadated gelatin may also be used. Further examples include water-soluble synthetic polymers.

For example, polyvinyl alcohol, polyacrylate, polymethyl methacrylate, butyl methacrylate, or copolymers thereof.

The release layer may be a single layer or may be composed of a plurality of layers.
-604$J etc.

The image receiving layer used in the present invention contains a mordant in a hydrophilic colloid. This may be a single layer, or it may be a layered structure in which mordants having different mordant powers are applied in layers. Regarding this, please refer to Tokukai Sho t/-ko12! ! j／
It is described in. As the mordant, a polymer mordant is preferred.

The polymer mordants used in the present invention include polymers containing secondary and tertiary amino groups, polymers containing nitrogen-containing heterocyclic moieties, polymers containing primary cation groups thereof, and those having a molecular weight of s, ooo or more are particularly preferred. Ha/ 0.
000 or more.

For example, US Patent-2jGr,! No. 3, same name.

Hirot4/L, No. 30, J, /III, No. 04, No. 3.7! ri4 is a vinylpyridine polymer disclosed in the specification etc., and a vinylpyridinicum cation/
Polymer; vinylimidazolicum cationic polymers disclosed in US Pat. Buko J, ty4I issue, same s, try,
oyt number, same number, /21゜jJt number, British patent/, 27
Polymer mordants capable of crosslinking with gelatin etc. as disclosed in US Pat. No. 7,4113, etc.; US Pat. Riit, 22
No. 3, same, 721.11-, same, 7ri r, otz
No., Tokukai Sho J San-//j, Coco R No., same! ≠-/Hiroshi! .

No. 322, No. III-/26,027, J4cm
/! ! , 1rJj issue, same j7-/7. Aqueous sol-type mordant disclosed in the specification of JJ co, etc.; water-insoluble mordant disclosed in the specification of U.S. Patent J, RR, ORR, etc.; U.S. Patent μ, /61,976, ≠ ,20/,1
A reactive mordant capable of forming a covalent bond with a dye disclosed in U.S. Pat. No. 4cO, etc.;
No. 3,7t1.111, No. J, 44LJ, 4t
No. 12, No. 3, Koit, Zot No. J,! ! 7,
No. 066, No. 3, 27/, /4'7, No. J, J
7/.

/≠ No., JP-A No. 13-303-1, J2-/Jj
Same as jko! 3-/ko! No., j3-IO-No., same! J-107,131, British Patent a, Ot≠, 104
Examples include mordants disclosed in the patent specification and the like.

Other U.S. Patent No. 67J, No. J/B, same.

Also mentioned are the mordants described in I.T. Co., No. 736.

In the present invention, a system for neutralizing the alkaline processing liquid 98 can be provided in the cover sheet, the layer adjacent to the image receiving layer, etc. A neutralization system can be achieved by providing a neutralization layer and a neutralization timing layer. This timing layer is disposed between the processing solution and the neutralization layer in such a positional relationship that the alkaline processing solution reaches the neutralization layer via the tie and mi/g layers. A process in which the pH rapidly decreases after maintaining the pH for a certain period of time (inverted S-shaped)
(a pH lowering process called pH lowering process). Preferably, it is characterized in that it becomes 9H/0,j or less upon peeling. This period of high pH maintenance depends on the components and composition of the neutralization timing layer.
It is adjusted by the amount of application etc.

Such polymers include ethylenically unsaturated monocarbo/dicarboxylic acids (e.g. acrylic acid,
A copolymer that combines seven or more types of ethylenically unsaturated monomers that can be copolymerized with (methacrylic acid, itaconic acid), and JP-A-1999-3? Polymers such as those described in U.S. Pat. ≠J1 No., same gu, -rr, zko 3, same≠, 20/,! No. 17, same 4
L.

KoλW, J/6, Tokukai Showa 3! -/ko/4! -J1,
7.4-/46.2/λ issue, j1-≠l≠yo issue,
Same j1-7≠3hiro 7, same 74-1021!2, same j
7-7μ/11, j7-/7JrJμ, 77-
/7ri rpi issue, West German patent application meeting opened (OL8), P
10. ．． No. 27, European Patent Application Publication HPJ/,
rij7AhaRe5earchDisclosure A
/ r References can be mentioned.

Examples of ethylenically unsaturated monomers include ethylene,
Propylene, l-butene, isobutyne, styrene, chloromethylstyrene, hydroxymethylstyrene, sodium vinylbenzylsulfonate, sodium vinylbenzylsulfonate, N,N,N-)dimethyl-N-vinylbenzylammonium chloride, N,N- Dimethyl-N-benzyl-N-vinylbenzylammonium chloride, α
-Methylstyrene, vinyltoluene, vinylpyridine, monovinylpyridine, penzylvinylpyridinium chloride, N-vinylacetamide, N-vinylpyrrolid/11-vinyl-methylimidazole, monoethylenic imidazole of fatty acids. Saturated esters (e.g. vinyl acetate, allyl acetate), maleic anhydride, esters of ethylenically unsaturated monocarboxylic or dicarboxylic acids (e.g. n-butyl acrylate) 1 n-hexyl acrylate, hydroxyethyl acrylate, cyanoethyl acrylate, N, N-diethylaminoethyl acrylate, methyl methacrylate, n-butyl methacrylate,
Benzyl methacrylate, hydroxyethyl methacrylate, chloroethyl methacrylate, methoxyethyl methacrylate), N,N-diethylaminoethyl methacrylate), N,N,N-triethyl-N-methacryloyloxyethylammonium p-toluenesulfonate,
N,N-diethyl-N-methyl-N-methacryloyloxyethylammonicum p-)rue/sulfonate, dimethyl itaconate, maleic acid monobenzyl ester)
, amides of ethylenically unsaturated monocarboxylic or dicarboxylic acids (e.g. acrylamide, N,N-dimethylacrylamide, N-methylolacrylamide, N
-(N,N-dimethylaminopropyl)acrylamide, N,N,N-trimethyl-N-(N-7 chloroylpropyl)a/moni95-p-toluenesulfonate, -
Monoacrylamito--methylprononesulfonic acid sodium, acryloylmorpholine, methacrylamide, N.

N-dimethyl-N'-acryloylpropanediamine probionate betaine, N,N-dimethyl + N/-
methacryloylbutine/diamine acetate betaine)
etc.

The neutralization timing layer may be a single layer or multiple layers.

For the timing layer made of these materials, examples include U.S. Patent Hiro, 00ri, O-ta, and West German patent applications (OLS).
Ko, Ri/J, No. 3, same! , 0/3, No. 472, JP-A-Shoj Sea/1j137, 11-/Jr74IJ,
Incorporating the next development inhibitor and/or its precursor disclosed in U.S. Pat. It is also possible.

As the acidic substance for the neutralization layer, conventionally known acidic substances can be used, and there are no particular limitations. Preferred acidic substances include pKa
is 2 or less acidic groups (or a precursor group that provides such acidic groups upon hydrolysis), more preferably oleic acid as described in U.S. Patent No. 213,604. High-quality fatty acids, US patent 3.
3 tons.

Polymers of acrylic acid, methacrylic acid or maleic acid and their partial esters or acid anhydrides as disclosed in French Painting Patent No. 2. Copolymers of acrylic acid and acrylic esters as disclosed in U.S. Pat.
archDisclosure A/A/0λ(
/P77) K may include latex type acidic polymers as disclosed.

Others, U.S. Patent No. III, 4! -WJ issue, JP-A Shoj Co./No. 13739, same! ! -1023 No. 13-
1fi! No. 440, JJ-4 (No. 144, JJ-4)
Acidic substances disclosed in No. 441, etc. can also be mentioned.

Specific examples of acidic polymers include ethylene, vinyl acetate 1
These include copolymers of vinyl monomers such as vinyl methyl ether and maleic anhydride and their n-butyl esters, copolymers of butyl acrylate and acrylic acid, cellulose acetate and hydrodiene phthalate, and the like.

The polymeric acid can be used in combination with a hydrophilic polymer. Examples of such polymers include polyacrylamide, polymethylpyrrolidone, polyvinyl alcohol (including partially saponified products), carboxymethyl cellulose, hydroxymethyl cellulose, hydroxyethyl cellulose, and polymethyl vinyl ether. Among these, polyvinyl alcohol is preferred.

The amount of polymeric acid applied is controlled by the amount of alkali developed on the photosensitive element. The equivalent ratio of polymeric acid to alkali per unit area is preferably O02 to O. If the amount of polymeric acid is too small, the hue of the transferred dye will change or staining will occur in the colored area, and if it is too large, problems such as a change in hue or a decrease in light resistance will occur. A more preferable equivalent ratio is /, 0 to /, J. If the amount of hydrophilic polymer mixed is too large or too small, the quality of the photograph will deteriorate. The weight ratio of hydrophilic polymer to polymer acid is 0. /-10, preferably O13 to 3.0.

Additives can be incorporated into the layer having a neutralizing function for various purposes. For example, hardening agents well known to those skilled in the art can be added to harden this layer, and polyhydric hydroxyl compounds such as polyethylene glycol, polypropylene glycol, glycerin, etc. can be added to improve the brittleness of the film. In addition, antioxidants, dyes, etc. may be added as necessary.

The processing composition used when wet-processing the color photosensitive material of the present invention is uniformly spread on the photosensitive layer element after exposure of the photosensitive element, completely shields the photosensitive layer from external light, and at the same time,
The photosensitive layer is developed by the components contained therein. For this purpose, the composition contains an alkali, a thickener, a developer, and a light shielding agent as essential components, and furthermore, the composition contains an alkali, a thickener, a developer, and a light shielding agent as essential components, and further prevents the deterioration of the development accelerator, development inhibitor, and developer, which are used to control development. Contains an antioxidant to prevent oxidation, and a white pigment to make it possible to preview the dye generated in the image form from the cover sheet side.

Alkali is sufficient to bring the pH of the solution to 7λ~/Hiroshi, and alkali metal hydroxides (e.g. sodium hydroxide)
potassium hydroxide, lithium hydroxide), alkali metal phosphates (e.g. potassium phosphate), guanidines,
Examples include hydroxides of quaternary amines (eg, dimethylammonicum hydroxide), and among them, potassium hydroxide and sodium hydroxide are preferred.

The thickener is necessary to spread the processing solution uniformly and to maintain close contact between one photosensitive layer and the cover sheet when the used photosensitive layer is peeled off together with the cover sheet. For example, alkali metal salts of polyvinyl alcohol, hydroxyethylcellulose, and carboxymethylcellulose are used, and preferably c) hydroxyethylcellulose,
Sodium carboxymethyl cellulose is used.

As the light-shielding agent, any dye or pigment, or a combination thereof, can be used as long as it does not diffuse to the dye image-receiving layer and cause staining, and carbon black is preferably used.

The amount of light shielding agent added is sufficient to sufficiently shield the photosensitive element during processing under strong external light, and is 302 to 302 g per gram of processing solution.
Koo ot, preferably Hiro 02-1-of.

Any white pigment can be used as long as it does not have a photographic effect. For example, in addition to inorganic titanium white pigment, hollow polymer beads (for example, 0p-ru manufactured by Rohm and Hass)
) etc. can also be used.

The content of white pigment is processing liquid/#9301~$00
f% is preferably 100f to JOOfC.

A preferred developer is any that cross-oxidizes the dye image-forming material and does not substantially stain when oxidized.

Such developing agents may be used alone or in combination of two or more, and may be used in the form of matapurekachi. These damage agents may be included in a suitable layer of the photosensitive element or may be included in an alkaline processing solution. Specific compounds include amine phenols and pyrazolidinones, and among these, pyrazolidinones are particularly preferred because they generate less nutin.

and t is l-phenyl-3-pyrazolidinone, /-9
-) Lilium ginseng, 4cm dihydro4oxymethyl-3-pyrazolidinone, /-(j'-methyl-7enyl)-(j'-methyl-hydroxymethyl-3-to't')'lidinone, l-phenyluder Methyl-Hydroxymethyl-
Examples thereof include J-pyrazolidinone, /-p-triluder-methyl-triluder-methyl-3-hydroxymethyl-3-pyrazolidinone, and the like.

When applied to heat-developable photosensitive materials, these developing agents are preferably incorporated into the photosensitive materials.

Examples of specific contents of the present invention are shown in the following examples, but the present invention is not limited thereto. In particular, various configurations are possible with respect to the 7-ohm format and layer configuration, and the present invention can be effectively utilized as long as the configuration has a color mixture prevention layer.
and can produce useful effects.

(Implementation) Example 1 Image-receiving photosensitive sheet A carbon black layer (
Carbo/Black J, Of/m2 Gelatin u, jf/m
) and titanium oxide layer (Teta7J, (
1' f/m 1 gelatin/, Of/m
(including) and then apply the following.

Next, the following layers were sequentially coated on the opposite side of the light-shielding layer of this support to prepare an image-receiving photosensitive sheet.

(1) An image-receiving layer containing the following polymer latex mordant 397m and gelatin st7m.

u41f/m s F lycyclohexyl phosphate 0.0ri97m Co, J-Gt- is tadecylhydroquinone 0.0Orf/m2, carbon black 0.0! layer containing f/m2 and gelatin o, rf/m2.

(2) The following compound O Delamination.

/ The seventh strip consisting of f / m C00)i C0QC4H.

x / y = If j / / j (3) The first release layer is made of acetylated cellulose acetate at 0.7 t/m2.

(4) 197m of ethyl acrylate latex
Gelatin f: Co, j 97m containing layer.

(5) The following cyan dye-releasing redox compound O.
(6) Titanium oxide-y 7m2 and gelatin 0
A light reflecting layer containing 1 jt/m 2 .

(7) Grain size/, 0 μm octahedral internal latent image type direct positive silver bromide emulsion (0.1197 m” in silver amount), red am thick g, cef f 70, 4’t/m
2. The following nucleating agent (NA) /, /μ? /m2, and cosulfoj-fl- is a low-sensitivity red-sensitive emulsion layer containing 0.0-f/m'' of ntadecylhytroquinone sodium salt.

Octahedral internal latent image type direct positive silver bromide emulsion (silver content 0.1 t/m'') with NA (grain size/, t μm), red-sensitive sensitizing dye, gelatin 0.197 m2, layer αυ and The same nucleating agent (NA) 3.Oμf/m2 and courseluho!-
〇-Interdecylhydroquinone sodium salt 0. O
A highly sensitive red-sensitive emulsion layer containing 1/-t/m2.

(9) Color mixture prevention layer having the content shown in i/.

α0 A layer containing 0.3 ft/m'' of gelatin.

(6) The following magenta dye-releasing redox compound O0/
! t/m tricyclohexyl phosphate 0.1
17m Ko! - t-pentadecylhydroquinone 0.00ml 17m and gelatin O0 17m
m Containing layer.

(2) Titanium oxide/f? /m” and gelate 10.-j
f/m” light reflective layer.

(To) Octahedral internal latent image type direct positive silver bromide emulsion with grain size of 7.0 μm (silver amount 0.1297 m ), green-sensitive sensitizing dye, gelatin O, coIt/m2, same as layer αυ A low-sensitivity green-sensitive emulsion layer containing a nucleating agent (NA) /, /μf / m and --nuruho j-n-interdecylhydroquinone sodium salt 0.0.297 m .

Q4 Grain size/, tμml octahedral internal m-image type direct positive silver bromide emulsion (silver content o, 3jt/m), green-sensitive sensitizing dye, upper 2 tears 0.7t/m, layer αυ and Same nucleating agent (NA)/, 7μy7m and --sulfo-
j-〇-interdecylhydroquinone sodium salt 0
．． High sensitivity green sensitive emulsion layer containing 0.04At/m2.

Qf9 N/ Color mixture prevention layer with the same content as layer (9).

(To) A layer containing 397 m2 of gelatin O.

(b) Yellow dye-releasing redox compound with the following structure (
7,7jP/m"), tricyclohexyl phosphate)
(0,/397m),λ,! -G i-4 ntadecylhydroquinone 0,0/4' f 7m
) and gelatin y (0,797 m ”).

Sensitive emulsion layer.

Octahedral internal latent image type direct positive silver bromide emulsion with a grain size of 7.7 μm (silver content: O, U J: 97m)
, blue-sensitive sensitizing dye, gelatin 0.4Ljf? /m%
High-sensitivity blue containing the same nucleating agent (NA) J, Jμf/m2, and 1' m-intertadecylhydroΦ non-natritam salt 0.0 coit/m t as in layer (B). Sensitive emulsion layer.

(2) Add each of the following ultraviolet absorbers to 4Lxio-'
UV absorbing layer containing mol/m and gelatin 0, j 97m.

(g) Titanium oxide 0.797m and gelatin O6
/Iff/m.

Ql grain size /, 7 μm octahedral internal latent image type direct positive silver bromide emulsion (Ollstem in silver amount), blue-sensitive sensitizing dye, gelatin O1 reference / ffl'', layer a
The same nucleating agent (NA) μt/m 2 and −1 Nuruho! -〇- Low-sensitivity front containing interdecylhydroquinone natritam salt 0.0 hirozt7m ■ Protective layer containing matting agent and gelate yO, Jt7m2f.

A cover sheet was prepared by coating a polyethylene terephthalate support containing an anti-iping dye and subbing with gelatin in the following order.

(a) Acrylic acid-butyl acrylate (molar ratio t:co) copolymer with an average molecular weight of j 10,000 at 10.4If/m2
and/or bis(co,3-epoxypropoxy)-
Butane o, it7m” φ) Neutralization timing layer containing at7m polymer with the following structure [Processing liquid (C) A layer consisting of gelatin i, ot7m and polymer /, Ot/n'4 with the following structure. After exposing each cover sheet side with a gray wedge, apply the processing liquid to the pressing member with Jj'C for 7 hours.
It was developed and developed to a thickness of 0 μm. After developing the processing solution, each film unit was peeled off 7 minutes and 30 seconds, - minutes, 30 seconds, 70 minutes, and 40 minutes, and yellow image formation a when peeled off after to minutes. The degree (Bo) is 1
The yellow image forming density at each peeling time when 00 was taken as the image completion rate.

On the other hand, the peelability was examined for the untreated sample (i.e., dry sample) and the spread-treated sample '#+ (i.e., Couette/Test N). To test the removability of a dry sample, scratch (make a cut) the image-receiving photosensitive sheet with a cutter knife, apply cellophane tape to the side surface of the photosensitive layer (protective layer side), and peel off the tape. Sometimes, it is used to check which layer has peeled off and how much.
and layer (3)).

The releasability of the Couette sample was determined by peeling off the cover sheet and photosensitive sheet from each other 10 minutes after the above-mentioned development treatment, and examining how much of each layer was peeled off.

In addition, it is necessary that the film be peeled off between the release layers (layer (2) and layer (3)).

Hydroquinone A Polymer A It is clear that the following photosensitive sheets using the hydroquinone compound of the present invention have a strong film quality that does not peel off in the intermediate layer (color mixing prevention layer) in both dry and wet conditions.

Furthermore, since the coating film thickness can be made thinner than conventional ones, it has the excellent effect of increasing the transfer speed (speed of image completion). It is surprising that this film can simultaneously achieve faster and stronger film quality than conventional color mixing prevention layers.

In addition, all samples have the same color mixing level, which is 6th grade.

Example 2 A laminated integrated force 2-diffusion transfer photosensitive sheet and a cover sheet were created as follows.

Preparation of photosensitive sheets Photosensitive sheets 2 to // were prepared by coating each layer in the following order on a polyethylene terephthalate transparent support.

(1) Copoly [styrene-N-vinylbe/sil-N
-Methyl-piperidinium chloride)3. Ot/m2
, gelatin J, Of/m"f-containing image-receiving layer.

(2) Titanium dioxide ot7m2, gelatin-6o
A white reflective layer containing f/m.

(3) Carbon black-, ot7m2 and gelatin/
, j fltn .

(4) The following cyan dye-releasing redox compound 0゜Reference〇t/m) Lysidylhexylphosphate 00-0F97 Co, j-G1-/S7
Layer containing tadecyl hydroquinone 0.0 Ort/m2 and gelate yO,If/m2.

(6) Color mixture prevention layer with the contents shown in No. 1.

(7) The following magenta dye-releasing redox compound fO,
Jl'/m) Lycidylhexylphosphate (0
,01t/m),ko,! A layer containing -di-tert-pentadecylhydroquinone (O2O3 2/m2) and gelatin (0,1?/m2).

(5) Red-sensitive internal m-type direct positive silver bromide emulsion (in terms of silver amount/
0397m), gelatin/, -97m% The following nucleating agents O, Oaη/m and -1sulfoJ-n-(ntade?hydroquinone natritam salt 0./397m)
A red-sensitive emulsion layer containing.

(8) Green-sensitive endothermic direct positive silver bromide emulsion (o, depending on the amount of silver)
rJy7m), gelate; ) containing a green-sensitive emulsion layer.

(9) Same layer as (6).

0 (I yellow dye-releasing compound of the above structure (0,1 Jt/WE),) lycyclohexyl phosphate (o, 1317m), J, j-di-t-ba/tadecyl hydroquino 7 (0,0/ 4t?/m ) and a layer containing gelatin y (0,7f/m ).

A blue-sensitive emulsion layer containing rufo-jn-intadecylhydroquinone sodium salt <0.07 f/m2.

(2) Hiroshi × 10 mo of each ultraviolet absorber with the following structure
l/m” and an ultraviolet absorbing layer containing gelatin 70, j O97m2.

Alpha blue-sensitive blue-sensitive inscribed positive silver bromide emulsion (according to the amount of silver/
0997m), gelatin (/,) 97m), layer (5
) same nucleating agent (0,04A1q/m), J-su(to) polymethyl methacrylate latex (average particle size 弘μ, o, tof/m"), gelate (o, rt7m)
) and triacroyltriazine (0
, Qcor7'm'').

Construction of Cover Sheet A A cover sheet was prepared by sequentially coating the following layers (7') to (see') on a transparent polyethylene terephthalate support.

(7') Acrylic acid-butyl acrylate (weight ratio t:2) copolymer with average molecular weight to, ooo
and/or a neutralization layer coated with 0.2 t/m of 4C-bis(1,3-epoxypropoxy)-butane.

(-') Seventh timing layer coated with cellulose acetate and methyl vinyl ether-maleic acid monomethyl ester alternating copolymer with a degree of acetylation ji, o- in a weight ratio J/J of y, zf/m.

(J')/'Til vinyl ether-maleic anhydride alternating copolymer/, Oj9/m % and! -(-monocyano/-methylthio)-/-phenyltetrazole
, Prmmol/m2.

Copolymer latex of acrylic acid-N-methylol acrylic 7mide J vs. 2.3 vs. J vs. Ratio) A seventh timing layer having a thickness of 1 μm in which a copolymer latex was mixed and applied so that the solid content ratio of the former latex and the latter latex was ≦≦tohiro.

(Reference') Spray/-n-7' Acrylate After exposing the thus prepared photosensitive sheet/- with a continuous wedge quench, the temperature of /J 'C, 26"C, ij"C The combination of the treatment liquid and cover sheet was passed through seven pairs of pressurized rows 2- for development treatment. Color after 1 hour
Measure the concentration with a 1l11 degree meter and show it in the first difference l) max
I got it.

In addition, the change in Dmax was measured every 3 seconds from immediately after development using Jz''c, and the time required for @y(Dmax) to reach h after to minutes was read.The faster the transfer rate, the better.

g-As is clear from the above, the use of the photosensitive sheet of the present invention increases the transfer speed. Furthermore, the temperature dependence of Dmax is small, and good photographic images can be obtained over a wide temperature range. As described above, it is clear that the photosensitive sheet using the color mixing prevention agent of the present invention has excellent effects.

In addition, all samples have the same color mixing level, which is 6th grade.

Display of incidents name of invention Heisei Special training 4t of the year! No. 723 Color diffusion transfer photographic material person who makes corrections Relationship with patent applicant Fuji Photo Film Co., Ltd. case

Claims (1)

[Scope of Claims] A color diffusion transfer photographic material comprising at least a light-sensitive silver halide emulsion layer in combination with a dye-providing compound that releases a diffusible dye, an image-receiving layer capable of mordanting the diffusible dye, and a neutralizing layer. In the following general formulas (I) and (II)
1. A color diffusion transfer photographic material comprising at least one polymer obtained by polycondensing at least one of each of the following under an acid or alkali catalyst. ▲There are mathematical formulas, chemical formulas, tables, etc.▼(I) ▲There are mathematical formulas, chemical formulas, tables, etc.▼(II) In the formula, G represents a hydroxyl group or a group that can generate a hydroxyl group by alkaline hydrolysis, and n is Represents an integer greater than or equal to 2. However, G may be the same or different. Furthermore, R^1 and R^2 may be the same or different and represent substituents on the benzene ring. In the formula, R^3 and R^4 represent a hydrogen atom, an alkyl group, an aryl group, an aralkyl group, a heterocyclic group, an acyl group, a carboxyl group, or a formyl group. However, R^3 and R^4 may be the same or different.