JPH0497348A - Silver halide photographic sensitive material - Google Patents

Abstract

PURPOSE:To lessen fogging and to improve color developabiity and preservable property by incorporating specific yellow couplers into at least one layer of blue photosensitive silver halide emulsion layers and incorporating at least one kind of heterocyclic fogging inhibitors into photograph constituting layers. CONSTITUTION:At least one kind of the yellow couplers expressed by formula I are incorporated into at least one layer of the blue photosensitive silver halide emulsion layers and at least one kind of the heterocyclic fogging inhibitors are incorporated into the photograph constituting layers. In the formula I, RA denotes an alkyl group or cycloalkyl group; RB denotes an alkyl group, cycloalkyl group, acyl group or aryl group; RC denotes a group which can be substd. with a benzene ring; RD denotes an alkyl group; J denotes formula II ; X1 denotes a group which can be eliminated at the time of coupling with the oxidant of a developing agent; n denotes 0 or 1. The fogging is lessened in this way and the color developability and preservable property are improved in this way.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a silver halide photographic material.
This invention relates to a silver halide photographic material with little fog and excellent color development and storage stability.

[Background of the Invention] After exposing a silver cohalide photographic material to light, color development is performed, whereby an oxidized aromatic primary amine color developing agent and a dye-forming coupler react to form a dye, resulting in color development. An image is formed.

Generally, this photographic method uses a subtractive color reproduction method to form yellow, magenta and cyan color images.

Yellow image forming couplers include benzoylacetanilide and pivaloylacetanilide compounds,
For example, U.S. Patent No. 2,875,057;
No. 506, No. 3,408,194, No. 3,551,1
No. 55, No. 3,582,322, No. 3,725,07
No. 2, No. 3,891,445, West German Patent No. 1,547,
No. 868, West German Application Publication No. 2,219゜917, No. 2,
No. 261,361, No. 2,414,006, British Patent No. 1,425,020, Japanese Patent Publication No. 51-10783, Japanese Patent Publication No. 47-26133, No. 48-73147, No. 5
No. 1-102036, No. 50-6341, No. 50-1
No. 23342, No. 50-130442, No. 51-21
No. 827, No. 50-87650, No. 52-82424
However, these couplers are insufficient in terms of color reproducibility.

On the other hand, when a multilayer color photographic material containing a color-forming coupler in a silver halide photographic emulsion is developed using a color developing agent such as paraphenylenediamine, an undesirable "fogging" phenomenon may occur due to fogging of the emulsion. known to happen.

In recent years, in the field of manufacturing technology for color photographic materials, in order to obtain even higher quality color photographs, color photographic materials have been developed that more efficiently prevent fog without reducing photographic sensitivity. A great deal of effort is being made in this regard.

[Object of the Invention] An object of the present invention is to provide a silver halide photographic light-sensitive material with little fog and excellent color development and storage stability.

[Structure of the Invention] The object of the present invention is to provide blue light sensitivity on a support! - In a silver halide photographic material having photographic constituent layers including a silver halide emulsion layer, a green-sensitive silver halide emulsion layer, and a red-sensitive silver halide emulsion layer, at least one of the blue-sensitive silver halide emulsion layers The layer further contains at least one kind of yellow coupler represented by the following - drinking amount (Y-I), and
This is achieved by a silver halide photographic light-sensitive material characterized in that the photographic constituent layer contains at least one type of heterocyclic fog inhibitor.

General formula (Y-1) [In the formula, RA represents an alkyl group or a cycloalkyl group, RB represents an alkyl group, a cycloalkyl group, an acyl group, or an aryl group, and Ro represents a group that can be substituted on the benzene ring. , RD represents an alkyl group, J is -NCO- or -
CON- (RR represents a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic group.)
, Xl represents a group that can be separated upon coupling with an oxidized form of a developing agent, and n represents 0 or 1. [Specific Configuration of the Invention] The present invention will be described in detail below.

The yellow coupler represented by the general formula (Y-1') will be explained.

In general formula (Y-I), the alkyl group represented by RA includes, for example, a methyl group, an ethyl group, an isopropyl group, a t-butyl group, a dodecyl group, and the like. This R.A.
The alkyl group represented by also includes those having a substituent, and examples of the substituent include a halogen atom, an aryl group, an alkoxy group, an aryloxy group, an alkylsulfonyl group, an arylsulfonyl group, an acylamino group, and a hydroxy group. etc.

Examples of the cycloalkyl group represented by RA include a cyclopropyl group, a cyclohexyl group, and an adamantyl group.

Particularly preferred as RA is a branched alkyl group.

In the general formula [Y-I], the alkyl group and cycloalkyl group represented by RB include the same groups as RA, and the aryl group includes, for example, a phenyl group.

The alkyl group, cycloalkyl group, and aryl group represented by RB include those having the same substituents as RA.

Examples of the acyl group include an acetyl group, a propionyl group, a butyryl group, a hexanoyl group, and a benzoyl group.

RB is preferably an alkyl group or an aryl group,
Particularly preferred is an alkyl group.

-Drinking cost (In Y-11, groups that can be substituted on the benzene ring represented by RC include halogen atom (e.g. chlorine atom), alkyl group, alkoxy group (e.g. methoxy group)
, an aryloxy group, an acyloxy group, an acylamino group, a carbamoyl group, an alkylsulfonamide F group, an arylsulfonamide group, a sulfamoyl group, and an imide group.

n is 0 or 1.

In the general formula [Y-I], the alkyl group represented by RD includes linear and branched alkyl groups having 1 to 30 carbon atoms, such as methyl group, ethyl group, n-propyl group, isopropyl group, t- Butyl group, n-pentyl group, n-hexyl group, 2-ethylhexyl group, n-octyl group, n-
Decyl group, linear and branched dodecyl group, tridecyl group,
Examples include a tetradecyl group, a pentadecyl group, a hexadecyl group, a heptadecyl group, an octadecyl group, a nonadecyl group, an eicosyl group, a tocosyl group, a tetradecyl group, and a hexanoyl group. Particularly preferred among these alkyl groups are those having 8 to 20 carbon atoms.

In the general formula (Y-1'l, J represents -NCO- or -CON-, R6 is water RE
RE represents an elementary atom, an alkyl group, an aryl group, or a heterocyclic group.

Examples of the alkyl group represented by RE include methyl group, ethyl group, isopropyl group, t-butyl group, and dodecyl group.

Further, examples of the aryl group represented by R include a phenyl group and a naphthyl group.

These alkyl groups or aryl groups represented by RE include those having substituents.

This substituent is not particularly limited, and typical examples include \rogen atom, alkyl group, aryl group (e.g. phenyl group, p-methoxyphenyl group,
naphthyl group, etc.), an alkoxy group, an aryloxy group, an alkylthio group, an arylthio group, an alkylsulfonyl group, an arylsulfonyl group, an acylamino group, and a carbamoyl group which may have a substituent,
Examples include an acyl group, a sulfonamide group, a sulfamoyl group which may have a substituent, a hydroxy group, and a nitrile group.

In the general formula [-Y-I), Xl represents a group that leaves during the coupling reaction with the oxidized form of the developing agent, and for example, represents the following group -Drinkage (Y-n) or (Y-Ill). .

General formula [Y-n) -OR4 In the formula, R represents an aryl group or a heterocyclic group including those having a substituent.

General Formula [Y-m] In the formula, Zl represents a group of nonmetallic atoms necessary to form a 5- to 6-membered ring in cooperation with a nitrogen atom.

Here, the atomic groups necessary to form the nonmetallic atomic group include, for example, methylene, methine, substituted methine, 〉C-0,
-NH--N--0--S--S O2-, etc. are mentioned.

-Drinking cost (Y-II) or (Y-III:l) Particularly preferable groups include the following-Drinking cost [Y-T
V) is a group represented by (Y-IXI).

-Drinking cost (Y-IV:1 In the formula, RI is a carboxyl group, an ester group, an acyl group,
It represents an alkylsulfonyl group, an arylsulfonyl group, a hydroxyl group, or a substituent similar to the group shown in the above RC, and Ω represents an integer of 0 to 5.

When g is 2 or more, R1 may be the same or different.

General formula [Y-V: l-drinkage [Y-VT] represents an arylsulfinyl group, an alkylsulfonamide group, an arylsulfonamide group, or a carboxylic acid group, and these groups may be the same or different. .

Furthermore, RJ and RK may form a ring.

-Drink price [Y-■] General formula [Y-■] In general formula (Y-V) (Y-Vl) and [Y-■], Rj and Rx are hydrogen atom, halogen atom, alkyl group, alkoxy, respectively. group, aryl group, heterocyclic group, carboxylic acid ester group, amino group, acylamino group,
Alkylsulfonyl group, arylsulfonyl group, alkylsulfinyl group, where Z2 is a heteroatom (for example -
NHO--S-, etc.), and RL has the same meaning as R1. RM is an alkyl group, an aryl group, an alkylcarbonyl group, an arylcarbonyl group, an alkylsulfonyl group,
Represents an arylsulfonyl group.

-Drink price [Y-IX) '-Zi' In the formula, W is a heteroatom (e.g. -NH-N--0--3
-, etc.) represents a sulfonyl or car group, and Z3 is -W-N-
Represents a group of nonmetallic atoms necessary to form a 5- to 6-membered ring in cooperation with CO-. RN, Ro, and Rp represent the same groups as RJ and RK above.

Further, RN, Ro, and Rp may form a ring together with a part of Z3.

The yellow coupler of the present invention preferably has a ballast group. A ballast group is an organic group that provides diffusion resistance to the coupler, and includes an alkyl group with 6 or more carbon atoms,
Examples include an aryl group having 10 or more carbon atoms, and an aryl group substituted with a linear or branched alkyl group having 10 or more carbon atoms in total. All of these are
- A group included in the above description as RB, Ro, RD or a partial structure thereof in drinking star [YI].

- Drinking price [Y-It/'] - (Y-IX), the most preferable one is represented by the general formula [Y-IX).

The yellow coupler represented by the general formula [Y-I] according to the present invention can be synthesized by a conventionally known method.

Further, the yellow coupler represented by the general formula (Y-11) according to the present invention can be used alone or in combination of two or more types, and can also be used in combination with another type of yellow coupler.

Further, the yellow coupler according to the present invention can be used in a range of usually about I x 10 -3 mol - about 1 mol, preferably I x to - 2 mol - 8 x 10 ' mol per mol of silver halide. .

Next, a typical example of a 2-equivalent yellow coupler represented by the general formula (y-B) used in the present invention will be shown, but the present invention is not limited thereto.

Next, the heterocyclic fog inhibitor of the present invention (hereinafter referred to as the inhibitor of the present invention) will be described. Heterocyclic fog inhibitors are compounds that have a heterocyclic ring and are used for the purpose of preventing fog during the manufacturing process, storage, or photographic processing of photosensitive materials, or for stabilizing photographic performance. say.

Examples of the heterocycle include imidazole, triazole,
Examples include tetrazole, thiadiazole, oxadiazole, pyridine, pyrimidine, benzimidazole, benzotriazole, indazole, benzothiazole, benzoxazole, asaindenes, and the like.

These heterocyclic nuclei may be substituted with general organic groups, such as alkyl groups, allyl groups, heterocyclic groups, acyl groups, alkoxy groups, carboxyl groups, alkoxycarbonyl groups, amino groups, Examples include amide group, carbamoyl group, ureido group, sulfo group, sulfonamide group, sulfamoyl group, alkylthio group, mercapto group, hydroxyl group, nitro group, and halogen atom.

Specific examples of heterocyclic fog suppressants preferably used in the present invention are listed below, but the present invention is not limited thereto.

The following are examples of compound compounds in the margins. It can be synthesized according to the method described in No. 58-95728, No. 59-68732, etc.

In order to incorporate the inhibitor of the present invention into the silver halide emulsion layer of the present invention, it may be added after being dissolved in water or an organic solvent optionally miscible with water (for example, methanol, ethanol, etc.). The inhibitor of the present invention may be used alone or in combination with other inhibitors of the present invention or fog suppressants outside the present invention.

The timing of adding the inhibitor of the present invention is before the formation of silver halide grains, during the formation of silver halide grains, after the completion of silver halide grain formation until before the start of chemical ripening, during chemical ripening, and at the end of chemical ripening. , may be applied at any time between the end of chemical ripening and the time of application. Preferably, it is added during chemical ripening, at the end of chemical ripening, or after the end of chemical ripening and before the time of coating. The entire amount may be added at one time, or may be added in multiple portions.

It can be added directly to the silver halide emulsion preparation or to the silver halide emulsion coating solution, or it can be added to the coating solution for the adjacent non-photosensitive hydrophilic colloid layer and dispersed during multilayer coating. may be contained in the silver halide emulsion layer according to the present invention.

There is no particular restriction on the amount added, but it is usually between IX 10-6 mole and IX to
-' mol, preferably l x 10-5 mol to I x
It is added in a range of 10-2 mol.

Examples of the silver halide used in the silver halide emulsion layer of the sensitive material of the present invention include silver chloride, silver bromide, silver iodide,
Any of those used in conventional silver halide photographic emulsions, such as silver chlorobromide, silver iodobromide, and silver chloroiodobromide, are included.

These silver halide grains may be coarse or fine, and the grain size distribution may be narrow or wide.

Further, the crystals of these silver halide grains may be normal crystals or twin crystals (the ratio of the 101 planes to the [111] planes can be arbitrary).Furthermore, the crystal structure of these silver halide grains is , even if it is uniform from inside to outside,
The inside and outside may have a different layered structure. Further, these silver halides may be of a type that forms a latent image mainly on the surface or of a type that forms a latent image inside the grain.

These silver halide grains can be prepared by known methods commonly used in the art.

It is preferable that soluble salts be removed from the silver halide emulsions used in the light-sensitive materials of the present invention, but those in which soluble salts have not been removed can also be used. It is also possible to use a mixture of two or more silver halide emulsions prepared separately.

The silver halide emulsion used in the present invention includes:
Any silver halide emulsion may be used, such as silver chloride emulsion, silver chlorobromide emulsion, silver chloroiodromide emulsion, etc., but there are no particular limitations.
Silver halide emulsions having high chloride silver halide grains are preferred.

The above-mentioned high chloride silver halide grains are those having a silver chloride content of 90 mol % or more. In high chloride silver halide grains, the silver bromide content is 10 mol% or less,
The silver iodide content is preferably 0.05 mol% or less.

More preferred is silver chlorobromide having a silver bromide content of 0.1 to 2 mol%.

High chloride silver halide grains do not have to be used alone, but can also be used in combination with other silver halide grains having different compositions.

For example, it may be mixed with silver gelatide grains having a silver chloride content of 10 mol % or less.

In addition, in a silver halide emulsion layer containing high chloride silver halide grains, the proportion of high chloride silver halide grains in the total silver halide grains contained in the emulsion layer is 60% by weight. It is preferably at least 80% by weight, and more preferably at least 80% by weight.

The composition of the high chloride silver halide grains may be uniform from the inside to the outside of the grain, or the composition inside and outside the grain may be different. Further, when the composition inside and outside the particle is different, the composition may change continuously or discontinuously.

There is no particular restriction on the grain size of the high chloride silver halide grains, but in consideration of other photographic performance such as rapid processing and sensitivity, it is preferably 0.2 to 1.6 μm, more preferably 0.2 μm to 1.6 μm, more preferably 0.2 to 1.6 μm.
It is in the range of 25 to 1.2 μm. In addition, the above particle diameter is
It can be measured by various methods commonly used in the art.

A typical method is Loveland's "Particle Size Analysis Method J.
(A, S, ToM, Symposium on Light Microscopy, 1955, pp. 94-122)
or "The Theory of Photographic Processes" (Chapter 2, co-authored by Mies and James, 3rd edition, published by Macmillan Publishing Co., Ltd. (1966)).

The particle size can be measured using the particle's projected area or diameter approximation. If the particles are of substantially uniform shape, the particle size distribution can be expressed fairly accurately as diameter projected area.

The grain size distribution of the high chloride silver halide grains may be polydisperse or monodisperse.

Preferably, the silver halide grains are monodisperse silver halide grains having a coefficient of variation of 0.22 or less, more preferably 0.15 or less in the grain size distribution.

The silver halide grains used in the emulsion of the present invention can be prepared by acidic method.
It may be obtained by either the neutral method or the ammonia method. The particles may be grown all at once, or may be grown after seed particles are produced.

The method of creating and growing the seed particles may be the same or different.

The soluble silver salt and the soluble halogen salt may be reacted by any method such as a forward mixing method, a back mixing method, a simultaneous mixing method, or a combination thereof, but it is preferable to use a method obtained by a simultaneous mixing method. Further, as a type of simultaneous mixing method, it is also possible to use the pAg-chondrold double jet method described in Japanese Patent Application Laid-Open No. 54-411521.

Furthermore, if necessary, a silver halide solvent such as thioether may be used. Further, a compound such as a mercapto group-containing compound, a nitrogen-containing heterocyclic compound, or a sensitizing dye may be added during the formation of silver halide grains or after the completion of grain formation.

The silver halide grains used in the present invention may have any shape. One preferable example is (l O0
It is a cube with one face as a crystal surface.

Further, particles having shapes such as an octahedron, a tetradecahedron, a dodecahedron, etc. can also be used. Furthermore, particles having twin planes may be used.

The silver halide grains used in the present invention may be of a single shape or may be a mixture of grains of various shapes.

The silver halide grains used in the present invention may contain cadmium salts, zinc salts, lead salts, thallium salts, iridium salts or complex salts, rhodium salts or complex salts,
Metal ions can be added to the inside of the particles and/or on the surface of the particles by using iron salts or complex salts, and reduction-sensitized nuclei can be formed inside the particles and/or on the surface of the particles by placing them in an appropriate reducing atmosphere. can be granted.

The emulsion containing silver halide grains used in the present invention (hereinafter referred to as "the emulsion of the present invention") may have unnecessary soluble salts removed after the growth of /% silver halide grains is completed, or It may remain contained. When removing the salts, please refer to Research Disclosure 17643.
It can be carried out based on the method described in No.

The silver halide grains used in the emulsion used in the present invention are:
Preferably, the particles are particles in which the latent image is mainly formed on the surface, but particles in which the latent image is formed inside the particles may also be used.

In the present invention, a chalcogen sensitizer can be used. Chalcogen sensitizer is a general term for sulfur sensitizers, selenium sensitizers, and tellurium sensitizers, and sulfur sensitizers and selenium sensitizers are preferable. Examples of sulfur sensitizers include thiosulfates and aliphatic sensitizers. ruthiocarbazide, thiourea, allyl isothiocyanate, cystine, p-toluenethiosulfonate,
Examples include rhodanine. Other US patents 1,574
, No. 944, No. 2,410,689, No. 2,278,
No. 947, No. 2,728,668, No. 3,501,3
No. 13, same 3. B5[i, No. 955, West German Application Publication (O
L S ) No. 1,422,869, JP-A-56-2
Sulfur sensitizers described in JP-A No. 4937 and JP-A No. 55-45016 can also be used. The amount of sulfur sensitizer added varies over a considerable range depending on various conditions such as pH, temperature, and silver halide grain size, and as a guide, it is lo-7 mol-10 per mol of silver halide.
It is preferable that the amount is about 100 mol.

The emulsion of the present invention can be produced by a reduction sensitization method using a reducing substance, a noble metal sensitization method using a noble metal compound, or the like.

By including the high chloride silver halide emulsion in the photographic constituent layer containing the yellow coupler according to the present invention, faithful color reproducibility can be obtained and sufficient maximum density can be obtained. Become.

The silver halide emulsion used in the present invention can be optically sensitized to a desired wavelength range using a dye known as a sensitizing dye in the photographic industry.

As the binder (or protective colloid) used in the silver halide photographic material of the present invention, gelatin is advantageously used, but gelatin derivatives, graft polymers of gelatin and other polymers, proteins, sugars, etc. Hydrophilic colloids such as derivatives, cellulose derivatives, synthetic hydrophilic polymeric substances such as single or copolymers can also be used.

The silver halide photographic material of the present invention having the above structure can be, for example, color negative and positive films, color photographic paper, etc., but especially when it is a color photographic paper used for direct viewing. The effects of the present invention are effectively exhibited.

When the silver halide photographic light-sensitive material of the present invention is used as a full-color light-sensitive material, a magenta coupler and a cyan coupler are used in addition to the yellow coupler of the present invention. The magenta coupler and cyan coupler are not particularly limited, and known ones can be used.

As the magenta coupler, 5-pyrazolone type, pyrazolobenzimidazole type, pyrazoloazole type, open chain acylacetonitrile type coupler etc.
-Pyrazolone and pyrazolotriazole magenta couplers are preferred.

As the cyan coupler, for example, naphthol couplers, phenol couplers, and imidazole couplers can be used.

The silver halide photographic material of the present invention further includes a hardening agent, an anti-irradiation agent, an anti-color clouding agent, an image stabilizer, a plasticizer, a latex, a surfactant, a matting agent, a lubricant, and an antistatic agent. Additives such as the following can be used as necessary.

An image can be formed on the silver halide photographic material of the present invention by subjecting it to color development treatment known in the art.

The pH value of the color developer is usually above 7, most commonly about 10-13.

Color development temperature is usually 15°C or higher, generally 20°C.
It is in the range of °C to 50 °C. For rapid development, it is preferable to carry out the process at 30°C or higher. In addition, conventional processing takes 3 minutes or more.
However, the color development time of the present invention for the purpose of rapid processing is generally preferably carried out in the range of 10 seconds to 60 seconds, more preferably in the range of 20 seconds to 50 seconds.

The silver halide photographic light-sensitive material of the present invention can be rapidly developed without decreasing the maximum density of the characteristic curve even when using a color developing solution containing 2 ml or less of benzyl alcohol per I11 used for rapid development. can.

After color development, bleaching and fixing are performed.

Bleaching treatment may be performed simultaneously with fixing treatment.

After the fixing process, a washing process is usually performed.

Further, as an alternative to the water washing treatment, a stabilization treatment may be performed, or both may be used in combination.

〔Example〕

Although specific examples of the present invention are described above, the embodiments of the present invention are not limited to these.

Example 1 On a paper support laminated with polyethylene, the following layers were sequentially applied from the support side to prepare silver halide color photographic light-sensitive materials Samples Nos. 1 to 30.

Layer 1...1.2g/rrr gelatin, 0.3
2 g/rrr (in terms of silver, the same hereinafter) blue-sensitive silver halide emulsion (silver chloride content 97 mol%, sodium thiosulfate 2 mg/mol silver halide as a chemical sensitizer and 5D- as a spectral sensitizer) 1 mole of silver halide and 0.5 mmol/1 mole of silver halide shown in Table 1), dissolved in 0.50 g/mole of dioctyl phthalate. A layer containing the yellow coupler shown in Table 1 at 0.1 mmol/I.

Layer 2...0, 7g/rf gelatin, 30
Intermediate layer consisting of irradiation dye (AI-1) of mg/rrr and (AI-2) of 20s+g/g.

Layer 3...1.25g/rrl' gelatin, 0
．． 22 g/rrf green-sensitive silver halide emulsion (silver chloride content 100 mol %, sodium thiosulfate 2 g/silver halide 1 mol as chemical sensitizer and 0.7 mmol 5D-2 as spectral sensitizer) / Contains 1 mole of silver halide.)
, 0.62 g/rrr of magenta coupler (M-A
).

Layer 4: Intermediate layer consisting of 1.2 g/d gelatin.

Layer 5...1.40g/r& gelatin, 0.2
0 g/ITr red-sensitive silver halide emulsion (silver chloride content 100 mol %, sodium thiosulfate 2 mg/silver halide 1 mol as chemical sensitizer and 5 as spectral sensitizer)
D-3 Contains 0.2 mmol/1 mole of silver halide. )
, 0.20 g/G of tri-n-octyl phosphate.

Layer 6: Layer containing 0.5 g/rrr of gelatin.

In addition, as a hardening agent, 2,4-dichloro-6-hydroxy-8-) riazine sodium was added in layers 2, 4 and 6.
Each was added in an amount of 0.017 g per 1 g of gelatin.

(AI-1) (Y-A) Hq H3 (AI-2) (M-A) (C-A) (SD-2) (SD-3) 2H5 S03 H-N (C2H5)3 Obtained above 2 samples each for sample No. 1 to No. 30
I prepared a group. The first set was wedge-exposed with blue light using a photosensitive needle KS-7 model (manufactured by Konica Corporation), and then processed according to the following color development process. Company-made PDA-6
5 type) to measure the maximum density and fog density of the blue-sensitive emulsion layer, and evaluate the same-day performance.

Furthermore, two of the two sets of the obtained photosensitive materials were added.
The assembly was left in a high-temperature, high-humidity (50°C, 80% RH) atmosphere for 3 days, and then the same wedge exposure and color development process as described above was performed, and the resulting dye image was
Measure the maximum density and fog density of the blue-sensitive emulsion layer,
The storage stability over time was evaluated.

Table 1 shows the evaluation results of same-day performance and storage stability over time.

Processing process> Temperature Time color development 35.0±0.3℃ 45 seconds 35
．． 0±0.5°C 30-34°C 60-80°C 45 seconds 90 seconds 60 seconds Bleach, fix, stabilize, dry Color developing solution> Pure water 800m Triethanolamine 8gN,N
-diethylhydroxyamine 5g potassium chloride 2gN-ethyl-N-β
-Methanesulfonamidoethyl-3-methyl-4 Aminoaniline sulfate 5g Sodium tetrapolyphosphate 2g Potassium carbonate 30g Potassium sulfite
0.2g optical brightener (4,4'
- Diaminostilbendisulfonic acid derivative) Add 1 g of pure water to bring the total amount to 1 g, and adjust the pH to 10.2.

Bleach-fix solution> Ethylenediaminetetraacetic acid ferric ammonium dihydrate 80g Ethylenediaminetetraacetic acid 3g Ammonium thiosulfate (70% solution) Roomj Ammonium sulfite (40% solution) 27° Adjust to pH 5.7 with 5ml potassium carbonate or glacial acetic acid Add water to bring the total amount to 1 g.

<Stabilizing liquid> 5-chloro-2-methyl-4 isothiazolin-3-one 1g 1-hydroxyethylidene-1゜1-diphosphonic acid 2g Add water to make 1g, and adjust the pH to 7.0 with sulfuric acid or potassium hydroxide.
Adjust to 0.

As is clear from the following margin table Table-1 Continued Table-1, Sample No. 001 using a yellow coupler other than the present invention has high color development, but the fogging increases significantly over time. Even if a fog inhibitor is added, there is not much improvement. (Sample No. 2
．． No. 3) On the other hand, sample No. 014, in which the yellow coupler of the present invention was used and no fog inhibitor was added, was inferior to samples No. 1 in terms of fog and maximum density, and was further inferior to samples No. 1 in terms of fog and maximum density. Even if the agent was added, there was only a slight improvement in fog, and the maximum concentration decreased significantly over time (Sample No. 5).
Sample No. 6 to No. 6 to which the fog suppressant of the present invention was added,
No. 30 had good fogging and maximum density on the same day, and very good fogging and maximum density over time.

[Effects of the Invention] According to the present invention, a silver halide photographic material with reduced fogging and excellent color development and storage stability can be obtained.

Claims (1)

[Scope of Claims] A silver halide photographic light-sensitive material having photographic constituent layers including a blue-sensitive silver halide emulsion layer, a green-sensitive silver halide emulsion layer and a red-sensitive silver halide emulsion layer on a support. , at least one layer of the blue-sensitive silver halide emulsion layer contains at least one kind of yellow coupler represented by the following general formula [Y-I], and the photographic constituent layer contains at least one of the heterocyclic fog inhibitors. A silver halide photographic light-sensitive material characterized by containing one kind of silver halide. General formula [Y-I] ▲ Numerical formulas, chemical formulas, tables, etc. represents a group that can be substituted on the benzene ring, R_D represents an alkyl group, J is ▲ formula,
There are chemical formulas, tables, etc. ▼ or ▲ There are mathematical formulas, chemical formulas, tables, etc. ▼ (R_E represents a hydrogen atom, an alkyl group, an aryl group, or a heterocyclic group.)
, X_1 represents a group that can be separated upon coupling with an oxidized form of a developing agent, and n represents 0 or 1. ]