JP2001174968A - Method for processing silver halide photographic sensitive material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for processing photosensitive materials which hardly gives rise to the occurrence of dirt by processing of the photosensitive materials and a method for processing the photosensitive materials for an image setter which lessens the contamination sticking to the photosensitive materials. SOLUTION: The method for processing the silver halide photographic sensitive materials consists in processing the silver halide photographic sensitive materials with an automatic developing machine having transporting rollers for transporting the silver halide photographic sensitive materials in a pair and having one set of the transporting roller pairs of which the contact angle of the surfaces of the roller surfaces existing on an emulsion side with respect to the silver halide photographic sensitive materials is smaller than the contact angle of the surface of the rollers existing on a packing surface side.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for processing a silver halide photographic material (hereinafter simply referred to as "photosensitive material") by an automatic developing machine, and more particularly to a method for processing a photosensitive material for an image setter.

[0002]

2. Description of the Related Art Photographic materials for printing plate making are increasingly processed by automatic developing machines connected to a laser output device called an image setter. The photosensitive material output from the image setter is used as a PS plate exposure original.

Therefore, it is an important performance that the processed photographic material is free from contamination. On the other hand, in order to improve the production efficiency of the imagesetter, it is desired to increase the speed of transporting the photosensitive material of the automatic developing machine and to shorten the total processing time. However, the present inventor has encountered a problem that when the transport speed of the automatic developing machine is increased or when the processing time is shortened, dirt attached to the photosensitive material increases.

[0004] This tendency is remarkable in the processing of a photosensitive material spectrally sensitized to 600 to 800 nm, particularly when the water temperature in the water washing step is 10 ° C or lower. As a technique for preventing stains from adhering to photosensitive materials, a method of adding an oxidizing agent to washing water is known, and it is already widely used, but is not perfect, and stains are generated, and a solution has been desired. .

[0005]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a method for processing a photosensitive material which is less likely to be stained by the processing of the photosensitive material. An object of the present invention is to provide a method for processing a photosensitive material for an image setter with less contamination.

[0006]

The above object of the present invention is attained by the following constitutions.

[0007] 1. In the method for processing a silver halide photographic light-sensitive material, after the washing step is completed, a pair of conveying rollers for conveying the silver halide photographic light-sensitive material is located on the emulsion side with respect to the silver halide photographic light-sensitive material. A method for processing a silver halide photographic light-sensitive material, wherein the processing is performed by an automatic developing machine having a pair of conveying rollers having a contact angle of a roller surface smaller than a contact angle of a roller surface located on a backing surface side.

[0008] 2. 2. The method for processing a silver halide photographic material as described in 1 above, wherein the transport roller pair is provided between a washing step and a drying step.

3. In the method for processing a silver halide photographic light-sensitive material spectrally sensitized to 600 to 800 nm, a conveyance roller for conveying the silver halide photographic light-sensitive material after the washing step is paired, The processing is performed by an automatic developing machine having a pair of conveying rollers in which the contact angle of the roller surface located on the emulsion side with respect to the silver halide photographic light-sensitive material is smaller than the contact angle of the roller surface located on the backing surface side. A method for processing a silver halide photographic material.

[0010] 4. 4. The method for processing a silver halide photographic light-sensitive material according to the item 3, wherein the transport roller pair is provided between a washing step and a drying step.

5. 5. The method for processing a silver halide photographic light-sensitive material according to any one of the above 1 to 4, wherein the transport speed of the silver halide photographic light-sensitive material is 400 to 3000 mm /
min, a processing method for a silver halide photographic light-sensitive material.

6. The above-mentioned item (1), which is treated with a developer containing a developing agent represented by the following general formula (A):
6. The method for processing a silver halide photographic light-sensitive material according to any one of items 5 to 5.

[0013]

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In the formula, R ₁ and R ₂ each independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted amino group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted alkylthio group, or R ₁ and R ₂ may combine with each other to form a ring. k represents 0 or 1, and when k = 1, X represents -CO- or -CS-. M ₁ and M ₂ each represent a hydrogen atom or an alkali metal atom.

Hereinafter, the present invention will be described in more detail. (Automatic developing machine) The automatic developing machine of the present invention is an automatic developing machine having a developing step, a fixing step, a washing step and a drying step.
The photosensitive material is conveyed by being held by a rotating roller wider than the width thereof, and is subjected to development, fixing, washing and drying.

The rinsing step in the present invention includes all steps having a function of washing out the fixing solution after the fixing step is completed, and the photosensitive material is conveyed through a water or rinsing solution storage tank (washing tank). Generally, a method of spraying a rinsing liquid onto the photosensitive material being conveyed or supplying the rinsing liquid to the photosensitive material in the form of a coating is also included.

In the form in which the photosensitive material is conveyed through the tank in which the liquid is stored, washing is performed while supplying new washing water according to the processing, washing with running water, and washing or circulating a part of the additive or filter. At least one compound selected from a fungicide, a chelating agent, an oxidizing agent and a surfactant in a solution called a stabilizing solution or a rinsing solution. And a method of replenishing a liquid containing the same according to the processing amount.

This step is usually carried out at room temperature,
It may be heated to 0 ° C. The washing tank may be a single tank or a plurality of tanks, and in the case of a plurality of tanks, a so-called multi-stage countercurrent method may be adopted in which the overflow liquid in a certain washing tank is supplied to the washing tank on the front side.

When a stabilizing bath is used, it is possible to eliminate the need for a pipe connection without directly connecting to a water supply. Further, a rinsing bath can be provided before and after each processing tank.

(Contact Angle of Conveying Roller Surface) The contact angle of the conveying roller surface of the present invention is a value indicating the affinity of water. Is a value obtained by measuring the angle formed by, the smaller the value, the higher the affinity.
This contact angle mainly depends on the material of the surface of the transport roller, and some fluororesins and the like have strong water repellency showing a value of 90 degrees or more.

The difference in contact angle between a pair of conveying rollers according to the present invention is preferably 5 degrees or more, particularly preferably 10 to 1 degree.
80 degrees.

As a method for measuring the contact angle on the surface of the transport roller, a water drop is dropped on the surface of the transport roller, and the angle between the water droplet and the surface of the transport roller is measured. As a measuring device, a contact angle measuring device VCA system (ASTP
product).

The surface materials of the transport rollers generally used in automatic developing machines are listed below, but the present invention is not limited to these.

1. Silicon rubber 2. 2. Isoprene rubber Urethane 4. Galvanized 5. Fluororesin 6. Various plastics 7. 7. carbon black Ceramic 9. Artificial leather As long as one set of transport rollers showing the contact angle difference of the transport rollers of the present invention is a pair, any of the above-mentioned materials can be selected, and a preferable combination is a silicone rubber roller and a urethane resin roller or TiO _2. And a Teflon roller and the like.

(Position of Pair of Conveying Rollers (hereinafter, also simply referred to as Rollers)) In the present invention, the installation position of the two roller pairs indicating the difference in contact angle is such that water or a rinsing liquid is directly supplied to the photosensitive material. Any location may be used after the so-called rinsing step, but it is preferable that the rinsing step is completed and the drying step is started, and more preferably a so-called squeeze step for squeezing out the moisture on the photosensitive material surface. .

The drying step mentioned here refers to a step of applying thermal energy for removing moisture on the surface or inside of the photosensitive material, such as drying by blowing air, drying using radiant heat such as infrared rays, or contact with a heat roller.

Further, the drying step includes a step of removing water by reducing pressure, and particularly preferably, after the water washing step is completed,
One set of roller pairs showing the difference in the contact angle of the present invention is provided within the third pair of the conveying roller pairs. It is more preferable that the photographic material is conveyed with the emulsion surface downward. In the present invention, the two roller pairs indicating the difference in the contact angle may be one pair, or two or more pairs may be mounted.

Hereinafter, embodiments of the present invention will be described with reference to the drawings, but embodiments of the present invention are not limited to these.

In FIG. 1, a film inserted from a film insertion port 1 is held and transported by a transport roller in a developing tank 2, a fixing tank 3, and a washing tank 4 which are filled with respective processing liquids up to a liquid level position 11. Is performed. In the film washed in the washing tank, the water on the surface of the photosensitive material is squeezed out by a pair of rollers 6 and 7 having a contact angle difference in a squeeze section 5, sent to a drying section 8, dried and collected from a film outlet 9. Is done. Note that the film is transported on a film transport path indicated by reference numeral 10.

The processing solution used circulates according to the processing, and upon receiving a signal of the processing area of the photosensitive material from the automatic developing machine, the pump is operated and the replenishing solution in an amount corresponding to the area of the processed photosensitive material. (Developer and fixer) are supplied from the dissolution tank to each processing tank. The same amount of the processing liquid overflows and the liquid surface position is maintained.

There is no particular limitation on the photosensitive material and processing agent used in the processing method of the present invention, but the effect is great when processing a photosensitive material spectrally sensitized to 600 to 800 nm.
A compound for spectrally sensitizing a silver halide emulsion is disclosed in JP-A-5-5-2.
No. 24330, JP-A-6-194771, JP-A-6-194777
JP-A-242533, JP-A-6-337492, JP-A-6-337492
-337494 and the like.

Next, a developing solution preferably used in the method for processing a light-sensitive material of the present invention will be described.

A known compound can be used as a developing agent used in the developer. Specifically, dihydroxybenzenes (hydroquinone, hydroquinone monosulfonate, etc.), 3-pyrazolidones (1-phenol-3)
-Pyrazolidone, 1-phenyl-4-methyl-3-pyrazolidone, 1-phenyl-4,4-dimethyl-3-pyrazolidone, 1-phenyl-4-ethyl-3-pyrazolidone, 1-phenyl-5-methyl-3 -Pyrazolidone, etc.), aminophenols (o-aminophenol, p
-Aminophenol, N-methyl-o-aminophenol, N-methyl-p-aminophenol, 2,4-diminophenol, etc., ascorbic acids (ascorbic acid, sodium ascorbate, ersorbic acid, etc.) and metal complex salts ( EDTA iron salt, DTPA iron salt, DTPA nickel, etc.) can be used alone or in combination. Among them, in the present invention, it is preferable to use the developing agent represented by the general formula (A).

In the general formula (A), a compound represented by the following general formula [Aa] in which R ₁ and R ₂ are bonded to each other to form a ring is particularly preferred.

[0035]

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In the general formula [Aa], R ₃ represents a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted amino group, a substituted or unsubstituted alkoxy group, Represents a sulfo group, a carboxyl group, an amide group, or a sulfonamide group, Y ₁ represents O or S, and Y ₂ represents O, S
Or an NR _4. R ₄ represents a substituted or unsubstituted alkyl group or a substituted or unsubstituted aryl group, and any one of M ₁ and M ₂
Each is a hydrogen atom or an alkali metal atom (eg, a sodium atom, a potassium atom, and the like).

The alkyl group in the general formulas (A) and [Aa] is preferably a lower alkyl group, for example, an alkyl group having 1 to 5 carbon atoms, and the amino group is an unsubstituted amino group or an unsubstituted amino group. An amino group substituted with a lower alkyl group is preferable, an alkoxy group is preferably a lower alkoxy group, and an aryl group is preferably a phenyl group or a naphthyl group, and these groups may have a substituent. Examples of the group that can be substituted include a hydroxy group, a halogen atom, an alkoxy group, a sulfo group, a carboxyl group, an amide group, and a sulfonamide group.

Specific examples of the compound represented by formula (A) or [Aa] are shown below, but the present invention is not limited thereto.

[0039]

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[0040]

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Among these, particularly preferred compounds are ascorbic acid or erythorbic acid and salts thereof or derivatives derived therefrom, which are commercially available or can be easily synthesized by a known synthesis method. .

The developing agent represented by the general formula (A) comprises 3-
Pyrazolidones (1-phenol-3-pyrazolidone,
1-phenyl-4-methyl-3-pyrazolidone, 1-
Phenyl-4,4-dimethyl-3-pyrazolidone, 1
-Phenyl-4-ethyl-3-pyrazolidone, 1-phenyl-5-methyl-3-pyrazolidone, etc.) and aminophenols (o-aminophenol, p-aminophenol, N-methyl-o-aminophenol, N- Methyl-p-aminophenol, 2,4-diminophenol, and the like, and dihydroxybenzenes substituted with a hydrophilic group (sodium hydroquinone monosulfonate, 2,5-
It is preferably used in combination with a developing agent such as sodium hydroquinone disulfonate.

When used in combination, the developing agents of 3-pyrazolidones, aminophenols or dihydroxybenzenes substituted with a hydrophilic group are usually used in an amount of 0.01 to less than 0.2 mol per liter. preferable.

In particular, ascorbic acid or its derivative and 3
-Combinations with pyrazolidones, ascorbic acid or derivatives thereof, 3-pyrazolidones with dihydroxybenzenes substituted with hydrophilic groups are preferably used.

The developer includes an alkaline agent (sodium hydroxide, potassium hydroxide, etc.), a pH buffer (eg, carbonate,
Phosphate, borate, boric acid, acetic acid, citric acid, alkanolamine, etc.) are preferably added. The pH buffer is preferably a carbonate, and the amount of the carbonate added is preferably 0.2 to 1.0 mol, more preferably 0.3 to 0.6 mol per liter.

When the compound represented by the formula (A) is used as a developing agent, it preferably contains a sulfite as a preservative. A preferable addition amount is 0.02
Is preferably from 0.3 to 0.3 mol / l, particularly preferably from 0.1 to 0.2 mol / l.

If necessary, dissolution aids (eg, polyethylene glycols, esters thereof, alkanolamines, etc.), sensitizers (eg, nonionic surfactants containing polyoxyethylenes, quaternary ammonium compounds, etc.),
Surfactants, defoamers, antifoggants (eg, halides such as potassium bromide and sodium bromide, nitrobenzindazole, nitrobenzimidazole, benzotriazole, benzothiazole, tetrazoles, thiazoles, etc.), chelating agents (For example, ethylenediaminetetraacetic acid or its alkali metal salt, nitrilotriacetate, polyphosphate, etc.), and a development accelerator (for example, US Pat.
No. 025, JP-B-47-45541, etc.), a hardening agent (for example, glutaraldehyde or a bisulfite adduct thereof), or an antifoaming agent.

The pH of the developer is preferably adjusted to 7.5 to 10.5, and particularly preferably adjusted to 8.5 to 10.2.

As the fixing solution, those having a commonly used composition can be used. The fixing solution is generally an aqueous solution comprising a fixing agent and others, and has a pH of usually 3 to 8. Examples of the fixing agent include thiosulfates such as sodium thiosulfate, potassium thiosulfate, and ammonium thiosulfate; thiocyanates such as sodium thiocyanate, potassium thiocyanate, and ammonium thiocyanate; and organic compounds capable of forming a soluble stable silver complex salt. Sulfur compounds known as fixing agents can be used.

The fixing solution may contain a water-soluble aluminum salt acting as a hardener, for example, aluminum chloride, aluminum sulfate, potassium alum and the like. If necessary, the fixing solution may contain a compound such as a preservative (for example, sulfite or bisulfite), a pH buffer (for example, acetic acid), a pH adjuster (for example, sulfuric acid), or a chelating agent capable of softening water. Can be.

It is preferable that the concentration of ammonium ion in the fixing solution is 0.1 mol or less per liter of the fixing solution. The ammonium ion concentration is particularly preferably in the range of 0 to 0.05 mol per liter of the fixing solution.

As a fixing agent, sodium thiosulfate may be used instead of ammonium thiosulfate, or ammonium thiosulfate and sodium thiosulfate may be used in combination.

The concentration of acetate ions in the fixing solution is preferably less than 0.33 mol / l, and the type of acetate ions is arbitrary, and any compound capable of dissociating acetate ions in the fixing solution can be used. For example, acetic acid, a lithium salt, a potassium salt, a sodium salt, and an ammonium salt of acetic acid are preferably used. Particularly, a sodium salt and an ammonium salt are preferable. The concentration of acetate ions is more preferably 0.22 mol or less, particularly preferably 0.13 mol or less, per liter of the fixing solution, whereby the amount of acetic acid gas generated can be extremely reduced. Substantially not included.

The fixing solution contains salts such as citric acid, tartaric acid, malic acid and succinic acid, and optical isomers thereof. As the salt, lithium salt, potassium salt, sodium salt, ammonium salt, etc., lithium hydrogen tartaric acid, hydrogen potassium salt, sodium hydrogen salt, ammonium hydrogen salt,
You may use ammonium potassium salt, sodium potassium salt, etc. Preferred among these are citric acid, malic acid, succinic acid and salts thereof. Most preferred are malic acid and its salts.

The above-mentioned developing solution and fixing solution may be prepared as a concentrated solution of about 1 to 5 times and diluted about 1 to 5 times for use. Alternatively, it may be dissolved and used as a processing agent in a solid or semi-solid state such as a paste.

As a special form of the processing method of the light-sensitive material of the present invention, an activator processing solution containing a developing agent in the light-sensitive material, for example, in an emulsion layer, and processing the light-sensitive material in an aqueous alkali solution to perform development. May be used. Such development processing is often used as one of the methods for rapid processing of a photosensitive material in combination with silver stabilization processing using thiocyanate, and can be applied to such processing.

The temperature of the developing, fixing, washing and / or stabilizing bath is preferably from 10 to 45 ° C., and the temperature may be adjusted separately.

Due to the demand for reduction of the processing time, the total processing time (Dry to Dry) in the case of the automatic developing machine processing is 70.
The time is preferably 10 seconds or less and 10 seconds or less. The term “total processing time” as used herein includes the time of all the steps required to process the black-and-white photosensitive material, and specifically includes, for example, the steps of development, fixing, washing, stabilizing, and drying required for the processing. Is the time including all of the time, that is, the time of Dry to Dry.

In the processing of the light-sensitive material of the present invention, an automatic developing machine having the method and mechanism described below can be preferably used.

1. 1. Deodorizing apparatus: JP-A-64-37560, upper left column on page (2) to upper left column on page 545 (3) 2. Waste liquid treatment method: JP-A-2-64638, page 388 (2), lower left column to page 391 (5), lower left column. Rinse bath between developing bath and fixing bath: JP-A-4-313
No. 749, page (18) [0054] to page (21) [006]
5] 4. 4. Water replenishment method: JP-A-1-281446, page 250 (2) page lower left column to lower right column Method for detecting the outside air temperature and controlling the drying air of the automatic developing machine: JP-A-1-315745, page 496 (2), lower right column to page 501 (7), lower right column and JP-A-2-108051.
No. 588 (2) page lower left column to 589 (3) page lower left column Silver recovery method for fixing waste liquid: JP-A-6-27623, page (4) [0012] to page (7) [0071]

[0061]

EXAMPLES Hereinafter, the present invention will be described specifically with reference to Examples, but the embodiments of the present invention are not limited thereto.

Example 1 (Preparation of photosensitive material sample A) <Preparation of silver halide emulsion A> Aqueous solution of silver nitrate B and Na
A water-soluble halide solution C consisting of Cl and KBr is adjusted to pH 3.
0, 40 ° C., the flow rate is constant, and the mixture is added in the solution A for 30 minutes by the simultaneous mixing method, and 0.20 μm of AgCl 70 mol%, AgBr
30 mol% of cubic crystals were obtained. At this time, the silver potential (EAg) was 160 mV at the start of mixing and 100 mV at the end of mixing.
Had become. Thereafter, unnecessary salts were removed by ultrafiltration, and 15 g of gelatin per mole of silver was added.
H5.7, and dispersed at 55 ° C. for 30 minutes. After dispersion, chloramine T was added in an amount of 4.times.10.sup.- ⁴ mol per mol of silver. The silver potential of the resulting emulsion was 190 mV (40 ° C.).

Solution A: Ossein gelatin 25 g Nitric acid (5%) 6.5 ml Deionized water 700 ml Na [RhCl_Five(H_TwoO)] 0.02 mg solution B: silver nitrate 170 g nitric acid (5%) 4.5 ml ion-exchanged water 200 ml solution C: NaCl 47.6 g KBr 51.3 g ossein gelatin 6 g Na_Three(IrCl₆0.15 mg ion-exchanged water 200 ml The obtained emulsion was treated with 4-hydroxy-6 / mol of silver.
Methyl-1,3,3a, 7-tetrazaindene (TA
I) is 1.5 × 10^-38.5 x 1 mol, potassium bromide
0^-FourAdjusted to pH 5.6 and EAg 123 mV by molar addition
did. Next, the sulfur particles dispersed in fine particles are converted into sulfur atoms.
2 × 10^-Five1.5 × 10 mol and chloroauric acid^-FiveMoles
And then chemically ripened at a temperature of 50 ° C. for 60 minutes.
To 2 × 10^-3Mol, 1-phenyl-5-
3 x 10 mercaptotetrazole ^-FourMol, potassium iodide
1.5 × 10^-3Mole was added. Then cool to 40 ° C
After that, sensitizing dyes S-1 and S-2 were each added in an amount of 1 mole of silver.
2 × 10^-FourMole was added.

Using the obtained emulsion, the following first and second layers were simultaneously coated on one side of the undercoated support from the support side so that the coating weight per 1 m ² was as follows. Then, the mixture was cooled and set (emulsion formulation A). Thereafter, on the undercoating layer having the antistatic layer on the opposite side, the following backing layer was applied at a coating speed of 200 m / min, cooled and set at −10 ° C., and both sides were simultaneously dried to obtain a photosensitive material sample A (film). A sample A) was obtained.

(Support, Undercoat Layer) After a corona discharge of 30 W / m ² · min was applied to both sides of a biaxially stretched polyethylene terephthalate support (thickness: 100 μm), an undercoat layer having the following composition was applied to both sides. Dry at 100 ° C. for 1 minute.

<Undercoat Layer Formulation> Copolymerization of 2-hydroxyethyl methacrylate (25) -butyl acrylate (30) -t-butyl acrylate (25) -styrene (20) (numbers are mass ratio) 0.5 g / m ² Surfactant A 3.6 mg / m ² Hexamethylene-1,6-bis (ethylene urea) 10 mg / m ² (Antistatic layer) 10 W / m ² min on a polyethylene terephthalate support provided with an undercoat layer After applying a corona discharge, an antistatic layer having the following composition was applied on one surface at a speed of 70 m / min using a roll-fit coating pan and an air knife, dried at 90 ° C. for 2 minutes, and dried at 140 ° C. for 90 minutes.
Heat treatment for 2 seconds.

<Composition of Antistatic Layer> Water-soluble conductive polymer B 0.6 g / m ² Hydrophobic polymer particle C 0.4 g / m ² Polyethylene oxide (molecular weight 600) 0.1 g / m ² Curing agent E 0.1 g / M ² <First layer (emulsion layer) composition> Gelatin 1.0 g / m ² Silver halide emulsion A 3.3 g / m ² hydrazine derivative H-1 in terms of silver amount 0.015 g / m ² hydrazine derivative H-2 0.020 g / m ² 5-Nitroindazole 0.01 g / m ² 2-mercaptohypoxanthine 0.02 g / m ² Colloidal silica 75 mass%, vinyl acetate 12.5 mass% and vinyl pivalinate 12.5 mass% 1.4 g / m ² dextran (average molecular weight 60,000) 0.2 g / m ² 4-mercapto-3,5,6-fluorophthalic acid 0.05 g / m ² polystyrene sulfo The pH of the 0.01 g / m ² sodium nitrate (average molecular weight: 500,000) coating solution was 5.2.

<Composition of Second Layer Protective Layer> Gelatin 0.9 g / m ² dextran (average molecular weight 60,000) 0.2 g / m ² nucleation accelerator Na-1 0.15 g / m ² colloidal silica 0.10 g / m ² fungicide Z 0.005 g / m ² sodium polyoxyethylene lauryl ether sulfonate sodium 0.001 g / m ² dihexyl sulfosuccinate 0.015 g / m ² silica (average particle diameter 5 [mu] m) 0.015 g / m ² silica ( (Average particle size 8 μm) 0.15 g / m ² Hardener (1) 0.15 g / m ² <Composition of third layer backing layer> Gelatin 1.8 g / m ² F-1 0.01 g / m ² F-2 ^{0.03g / m 2 F-3 0.10g} / m 2 colloidal silica 75 wt%, vinyl acetate 12.5% by weight and the vinyl peak burrs sulphonate 12.5% by weight of the suspension polymerization product 0.7 g / m ² polystyrene Sodium sulfonate (an average molecular weight of 500,000) 0.01 g / m ² Matting agent (monodisperse polymethylmethacrylate having an average particle size of 3μm) 0.045g / m ² Hardener ⁽²⁾ 0.05g / m 2 <Fourth Layer Backing Protective Layer Composition> Gelatin 1.8 g / m ² Matting agent (monodispersed polymethyl methacrylate having an average particle size of 3 μm) 0.045 g / m ² Sodium polyoxyethylene lauryl ether sulfonate 0.005 g / m ² Dihexyl sulfosuccinic acid Sodium 0.005 g / m ² silica (average particle size 8 μm) 0.15 g / m ² Hardener (1) 0.15 g / m ²

[0069]

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[0070]

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[0071]

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[0072]

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The obtained film sample A was 633 nm, 6
Exposure was possible with a 70 nm laser diode light source. The following processing was performed on the film sample A.

(Processing solution) <Development start solution (per liter of working solution)> 1 g of diethylenetriaminepentaacetic acid / 5 sodium 1 g of sodium sulfite 17 g of 17 g of potassium hydrogen carbonate 1-phenyl-4-methyl-4'-hydroxymethyl-3-pyrazolidone 0.85 g Potassium bromide 4 g 5-Methylbenzotriazole 0.21 g 2,5-Dihydroxybenzoic acid 5 g Potassium carbonate 55 g 8-Mercaptoadenine 0.07 g Water and potassium hydroxide are added to make 1 liter, and pH 9.
Finished to 8.

<Development replenisher: 2-fold concentrated solution (per liter)> Diethylenetriaminepentaacetic acid / 5 sodium 1 g Sodium sulfite 30 g Potassium carbonate 70 g Potassium hydrogen carbonate 17 g 1-phenyl-4-methyl-4'-hydroxymethyl-3 -Pyrazolidone 1.5 g 1-phenyl-5-mercaptotetrazole 0.03 g potassium bromide 4 g 5-methylbenzotriazole 0.21 g 2,5-dihydroxybenzoic acid 5 g 8-mercaptoadenine 0.07 g Water and potassium hydroxide are added. To 0.5 liters and pH
Finished to 10.15.

<Fixing start solution (per liter of working solution)> Ammonium thiosulfate 200 g Sodium sulfite 22 g Sodium gluconate 5 g Trisodium citrate dihydrate 12 g Citric acid 12 g The pH of the working solution was adjusted to 5.4 with sulfuric acid. Adjust to be 1
Finished to liters.

<Washing Water> A washing water was added to 8.8 ml of the following purifying agent per liter of tap water to prepare washing water.

<Preparation of Purifying Agent> Pure water 800 g Salicylic acid 0.1 g 35% by mass of hydrogen peroxide 171 g Pluronic F-68 (manufactured by Asahi Denka Co., Ltd.) 3.1 g Hoksite F-150 (manufactured by Kako Chemical Co., Ltd.) 15 g Diethylenetriamine 5 10 g of acetic acid / 5 sodium Make up to 1 liter with pure water.

<Processing Conditions> (Process) (Temperature) (Time) Development 38 ° C. for 15 seconds Fixing 37 ° C. for 15 seconds Washing 7 ° C. for 15 seconds Drying 50 ° C. for 15 seconds <Blackening ratio of photosensitive material> 8% < Replenishment amount> Each replenisher for development and fixing of the above composition,
A purifying agent and tap water for dilution are supplied to a developing tank, a fixing tank,
The washing tank was replenished directly under the following conditions.

[0080] (Evaluation of running treatment) Using the treatment liquid, the squeeze portion shown in FIG. 1 was transported at a transfer speed using a hydrophilic roller pair coated with TiO ₂ from among seven types of rollers having different surface materials as described below. 365-4380 mm /
min and a maximum processing width of 846 mm for the photosensitive material.
After continuously processing 20 sheets at an interval of 620 mm / min for 3 minutes, the apparatus was left for 90 minutes, and the operation of continuously processing 20 sheets was repeated, thereby processing a total of 60 sheets of the large-sized film sample A.

The type of the roller () indicates the contact angle measured using a contact angle measuring device AST (manufactured by Product) a. Hydrophilic TiO ₂ coating roller (21 °) b. Hydrophilic polyester resin (16 °) c. Bakelite (21 °) d. Clarino (23 °) e. Isoprene rubber (26 °) f. Silicone rubber (64 °) g. Teflon coating (188 °) Further, as an embodiment of the present invention, a roller pair using the above-mentioned rollers having different contact angles is subjected to the same treatment, and the number of observed stains and the stain level of the obtained sample film are determined. The results were visually evaluated according to the following evaluation criteria and are shown in Table 1.

Evaluation Criteria 1: Severe dirt, unusable level 2: Severe dirt, problematic for use 3: Dirt is clearly present, but usable level 4: Dirt is present but cannot be seen well Unobservable level 5: No dirt level

[0083]

[Table 1]

As is apparent from Table 1, a set of transport rollers in which the contact angle of the roller surface located on the emulsion surface side with respect to the light-sensitive material of the present invention is smaller than the contact angle of the roller surface located on the backing surface side It can be seen that the processing method having the pair greatly improves the degree and the frequency of occurrence of contamination.

Example 2 Experiment No. 1 of Example 1 In Example 3, the same processing as in Example 1 was performed except that the transport speed was changed as shown in Table 2, and the number of observed dirt and the level of dirt on the obtained sample film were visually observed similarly to Example 1. The results were evaluated and shown in Table 2.

[0086]

[Table 2]

As is apparent from Table 2, a set of transport rollers in which the contact angle of the roller surface located on the emulsion side with respect to the light-sensitive material of the present invention is smaller than the contact angle of the roller surface located on the backing side It can be seen that the effect of the processing method using the pair is remarkable when the conveying speed is 400 to 3000 mm / min, and particularly remarkable when the conveying speed is 500 to 2500 mm / min.

Example 3 <Preparation of film sample B> The following sensitizing dyes SD-1 and SD-2 were used instead of sensitizing dyes S-1 and S-2 in the preparation of film sample A of Example 1, respectively. 15 per mole
Film sample B in the same manner as in Example 1 except that mg was added.
Was prepared.

[0089]

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<Film sample C (light-sensitive material for returning to a bright room)
Preparation> Silver chloride content of 99 mol% using a simultaneous mixing method,
Monodisperse, cubic silver chlorobromide particles having a silver bromide content of 1 mol% and an average particle size of 0.15 μm were prepared. K when mixing
₃ [Rh (H ₂ O) Br ₅ ] is added in an amount of 7 × 10 ⁻⁵ per mol of silver.
Mole was added. Before the desalting step of removing soluble salts by a conventional method, 4-hydroxy-6-methyl-1,3,3 is used.
3a, 7-Tetrazaindene (TAI) was added in an amount of 0.6 g per mol of silver, the emulsion was heated to 60 ° C., and 60 mg of TAI per mol of silver and 0.7 g of sodium thiosulfate were added.
5 g, and 60 minutes after addition of TAI,
600 mg of I was added, and the temperature was lowered and set.

Next, a coating solution was prepared by adding an additive per m ^{2 as} follows, and the following coating solution of a silver halide emulsion layer was sequentially formed on one surface of the subbed support SPS described in Example 1. The following coating solution for the backing layer was simultaneously coated on the opposite surface with the coating solution for the protective layer.

<Coating Solution for Silver Halide Emulsion Layer> 0.5 N sodium hydroxide solution 4.39 mg / m ² Compound a 6.53 mg / m ² n-octyl-4-phenylpyridinium chloride 45 mg / m ² Kirayasaponin 107 mg / m ² compound b 18.5 mg / m ² compound c 9.8 mg / m ² of gelatin latex 480 mg / m ² sodium polystyrenesulfonate 52.2 mg / m ² colloidal silica 20 mg / m ² <protective layer underlying coating solution> gelatin 0. 5 g / m ² dye d (solid dispersion) 62.0 mg / m ² citric acid 4.1 mg / m ² formalin 1.2 mg / m ² hardener K-1 0.6mg / m ² sodium polystyrenesulfonate 11. 0 mg / m ² <upper protective layer coating solution> gelatin 0.3 g / m ² compound e 18.0 mg / m ² dye d (solid Chibutsu) 48.4 mg / m ² Compound F 105.0 mg / m ² Compound DOO 1.25 mg / m ² amorphous silica (average particle size 1.63μm) 15.0g / m ² amorphous silica (average particle size 3 0.5 μm) 21.0 g / m ² Citric acid 4.5 mg / m ² Sodium polystyrene sulfonate 11.0 mg / m ² Formalin (added in-line) 10 mg / m ² <Backing layer coating solution> Compound H 170 mg / m ² Dye two (solid dispersion) 30 mg / m ² compound Li 45 mg / m ² compound j 10 mg / m ² Quillaja saponin 111 mg / m ² compound le 200 mg / m ² colloidal silica 200 mg / m ² compound o 35 mg / m ² compound word 31 mg / m ² compound Ca 3.1 mg / m ² polymethyl methacrylate (average particle size 5.6 [mu] m) 28.9 g / m ² Guruokizaru 10. g / m ² Citric acid 9.3 mg / m ² sodium polystyrenesulfonate 71.1 mg / m additive compound the following ^2-line Yo 81 mg / m ² Compound data 88.2mg / m ² of calcium acetate 3.0 mg / m ² Hardener K-1 10mg / m ²

[0093]

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[0094]

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[0095]

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However, the coating amount was 2.0 g / silver in the emulsion layer.
m ² , the amount of gelatin was 1.2 g / m ² , and the amount of gelatin in the backing layer was 2.1 g / m ² .

(Evaluation of running process) In the same manner as in Example 1, the same processing as in Example 1 was performed using a roller pair using rollers having different contact angles, and stains were observed on the obtained sample film. The number of sheets and the level of dirt were visually evaluated based on the evaluation criteria, and the results are shown in Table 3.

[0098]

[Table 3]

As is clear from Table 3, the processing method of the light-sensitive material of the present invention is particularly effective in processing a light-sensitive material spectrally sensitized to 600 to 800 nm.

Example 4 Experiment No. 1 of Example 1 In 3 and 10, in the developer formulation, sodium sorbate was replaced with hydroquinone 20
Table 4 shows the results of processing in the same manner as in Example 1, except that the processing was performed using a developing solution having a composition of g / liter and a pH of the developing solution of 10.2.

[0101]

[Table 4]

From Table 4, it can be seen that the effect of the present invention is greater in the case of processing a developer using sodium ascorbate as a developing agent than in the case of processing a developer using hydroquinone.

[0103]

According to the present invention, there can be obtained a processing method which is less likely to cause stain due to the processing of the photosensitive material and a method of processing a photosensitive material for an image setter which is capable of rapid processing and which is less likely to cause stain.

[Brief description of the drawings]

FIG. 1 is a conceptual diagram of an automatic developing machine having a small pair of conveying rollers, showing an example of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Film insertion opening 2 Developing tank 3 Fixing tank 4 Rinse tank 5 Squeeze part 6 Roller 7 Roller 8 Drying part 9 Film outlet 10 Film transport path 11 Liquid surface position

Claims (6)

[Claims] In a method for processing a silver halide photographic light-sensitive material, a conveying roller for conveying the silver halide photographic light-sensitive material is paired after a washing step, and the silver halide photographic light-sensitive material is A silver halide photographic light-sensitive material processed by an automatic developing machine having a pair of conveying rollers in which the contact angle of the roller surface located on the emulsion side is smaller than the contact angle of the roller surface located on the backing surface side. Processing method. 2. The method for processing a silver halide photographic light-sensitive material according to claim 1, wherein the transport roller pair is provided between a washing step and a drying step. 3. A method for processing a silver halide photographic light-sensitive material spectrally sensitized to 600 to 800 nm, comprising a pair of conveying rollers for conveying the silver halide photographic light-sensitive material after a washing step is completed. The contact angle of the roller surface located on the emulsion side with respect to the silver halide photographic material,
A method for processing a silver halide photographic light-sensitive material, wherein the processing is performed by an automatic developing machine having one set of a conveying roller pair smaller than a contact angle of a roller surface located on a backing surface side. 4. The method for processing a silver halide photographic light-sensitive material according to claim 3, wherein the transport roller pair is provided between a washing step and a drying step. 5. The method for processing a silver halide photographic light-sensitive material according to claim 1, wherein the conveying speed of the silver halide photographic light-sensitive material is 400 to 3000 mm /.
min, a processing method for a silver halide photographic light-sensitive material. 6. The method according to claim 1, wherein the developer is treated with a developer containing a developing agent represented by the following general formula (A).
6. The method for processing a silver halide photographic light-sensitive material according to any one of items 5 to 5. Embedded image [Wherein, R ₁ and R ₂ each independently represent a substituted or unsubstituted alkyl group, a substituted or unsubstituted amino group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted alkylthio group, or R ₁
And R ₂ may combine with each other to form a ring. k represents 0 or 1, and when k = 1, X represents -CO- or -CS-. M ₁ and M ₂ each represent a hydrogen atom or an alkali metal atom. ]