JP2002236361A - Photosensitive transfer material and method for producing the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a photosensitive transfer material with a photosensitive resin layer free of irregular color, having a smooth surface and excellent in adhesiveness to a substrate and to provide a method for producing the transfer material. SOLUTION: The photosensitive transfer material is obtained by forming at least an alkali-soluble thermoplastic resin layer 12, a middle layer 13 and a photosensitive resin layer 14 on the surface of a temporary base 11, the adhesive power between the temporary base 11 and the thermoplastic resin layer 12 is smallest and the middle layer 13 contains a compound of the formula CnF2n+1-L-(CH2CH2O)m-H [where (m) is an integer of 4-25; (n) is an integer of 2-18; L is a single bond or a linking group of the formula -CH2CH2SO2NR-; and R is H or a 1-5C alkyl].

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a photosensitive transfer material (photosensitive multilayer sheet) which can be suitably used for image formation by transfer, and a method for producing the same.

[0002]

2. Description of the Related Art A photosensitive multilayer sheet (photosensitive transfer material) for transferring a photosensitive resin layer onto a substrate is printed wiring, intaglio relief printing, name plate, multicolor test printing sample, offset printing plate, Used for producing color filters. Such a photosensitive multilayer sheet is usually formed by laminating an intermediate layer (separation layer) or an alkali-soluble thermoplastic resin layer, an intermediate layer, and a photosensitive resin layer on the surface of a temporary support, and forming an image on the substrate. In the case of forming, the separately prepared substrate and the photosensitive resin layer of the photosensitive multilayer sheet are overlapped, then only the temporary support is peeled off, and the photosensitive resin layer is imagewise exposed and developed through the intermediate layer. Performed by. The intermediate layer is a layer having a function of blocking oxygen, and by this intermediate layer, the polymerization of the photosensitive resin layer by exposure can proceed even in the air without inhibiting the polymerization of oxygen. The intermediate layer has a small layer thickness (0.5 to 5 μm).
Degree), does not adversely affect the resolution. In addition, the alkali-soluble thermoplastic resin layer has a cushioning property, and unevenness on the substrate surface (that is, unevenness due to already formed pixels)
Can be absorbed. Since the intermediate layer and the alkali-soluble thermoplastic resin layer are alkali-soluble, they can be removed during development.

For example, color filters used in color liquid crystal displays are generally R, G, B (red,
It has a basic configuration in which each pixel of green and blue and a black matrix (K) is formed in the space between them for the purpose of improving display contrast. These R, G, of the color filter
Each pixel of B and the surface of K are required to have high smoothness.
That is, by using the above-mentioned photosensitive multilayer sheet, a photosensitive resin layer is transferred onto the surface of a color filter substrate to form an image (pixel).
If the smoothness of the photosensitive resin layer is not good (that is, if there is unevenness in the layer thickness), the color unevenness of pixels occurs. When a color liquid crystal display is manufactured using a color filter having such color unevenness, the image obtained on the color liquid crystal display also has color unevenness. The above-mentioned photosensitive resin layer is usually formed by coating, but in order to avoid the occurrence of the above-mentioned color unevenness, it is necessary to carry out the coating so as not to cause coating unevenness and cissing during coating.

Japanese Patent Publication No. 8-3630 proposes to add a fluorine-containing surfactant to the coating solution when the photosensitive resin layer is formed by coating. In this example, the fluorine-based surfactant has 3 to 20 carbon atoms.
And an acrylate or methacrylate containing 40 mass% or more of fluorine atoms and having a fluorine-substituted fluoroaliphatic hydrogen atom bonded to at least three terminal carbon atoms, and a poly(oxyalkylene) acrylate. Alternatively, it is a copolymer with poly(oxyalkylene) methacrylate, and the acrylate or methacrylate unit having a fluoroaliphatic group is 40 to 70% by mass in the copolymer.
The polymer contained in the range of is used. Fluorosurfactants used in many examples are poly(oxyalkylene)(meth)acrylates such as oxyalkylene, oxyethylene, oxytriethylene, and oxytetramethylene, with a mass average molecular weight of 1 ．
Most of them are about 50,000.

According to the study of the present inventor, the above-mentioned Japanese Patent Publication No. 8-
The fluorine-based surfactant used in the examples of Japanese Patent No. 3630 can smooth the surface of the photosensitive resin layer, but if the surface of the intermediate layer itself is not smooth, the photosensitive resin layer becomes uneven. Further, since the fluorine-based surfactant disclosed in JP-B-8-3630 is insoluble in water, it cannot be uniformly dissolved in a coating solution containing water as a main solvent.

As a method for maintaining the smoothness of the intermediate layer, conventionally, a method of adding a low molecular weight betaine-based or anionic fluorine-based surfactant to the intermediate layer, or a method of increasing the viscosity of the intermediate layer coating solution to dry air is used. Techniques for preventing unevenness have been proposed.
However, in the former case, when the coating solution for the photosensitive colored resin layer (photosensitive resin layer) was applied, the fluorine-based surfactant that had been oriented on the surface of the intermediate layer was dissolved and diffused to the surface of the photosensitive colored resin layer. -Because of the orientation, transferability to the substrate was hindered. In addition, the latter has a drawback that the coating property (stability at the time of application) is lowered.

On the other hand, when a highly crystalline material such as polyvinyl alcohol having a high degree of saponification is used as the binder of the intermediate layer, a part of the binder is deposited in the coating liquid after a certain period of time to form a layer having a uniform surface property. It may not be formed, and unevenness may occur.

[0008]

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned conventional problems and achieve the following objects. That is, an object of the present invention is to provide a photosensitive transfer material having a smooth surface without color unevenness and having a photosensitive resin layer excellent in adhesiveness to a substrate when transferred to the substrate, and a method for producing the same. To provide.

[0009]

[In general formula (A), m represents an integer of 4 to 25 and n represents an integer of 2 to 18. L represents a single bond or -CH ₂ CH ₂ SO ₂ NR- represented by linking radical, R in the linking group represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms. ]

<2> There is a step of preparing an alkali-soluble thermoplastic resin layer coating solution, a step of preparing an intermediate layer coating solution, and a step of preparing a photosensitive resin coating solution. In the method for producing a photosensitive transfer material in which layers corresponding to the liquid are sequentially formed, the step of preparing the intermediate layer coating liquid includes at least a compound represented by the following general formula (A) and a binder made of a water-soluble resin. And a process for preparing an aqueous solution of a water-soluble resin containing water, and a method for producing a photosensitive transfer material. _{C n F 2n + 1 -L- (} CH 2 CH 2 O) m -H general formula (A) [Formula (A), m represents an integer of 4 to 25, n is 2
Represents an integer of -18. L represents a single bond or -CH ₂ CH ₂ S
Represents a linking group represented by O ₂ NR-, and R in this linking group
Represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms. <3> The solid content of the compound represented by the general formula (A) in the coating liquid for the intermediate layer is 0.01% by mass or more and 10% by mass or less with respect to the binder. <2> The method for producing a photosensitive transfer material according to <2>. <4> The method for producing a photosensitive transfer material according to <2> or <3>, wherein the water-soluble resin is a polyvinyl alcohol resin.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the photosensitive transfer material and the manufacturing method thereof according to the present invention will be described below. As shown in FIG. 1, the photosensitive transfer material according to the present embodiment has an alkali-soluble thermoplastic resin layer 12, an intermediate layer 13, and a photosensitive colored resin layer (photosensitive resin layer) 14 on a surface of a temporary support 11 in order. It is formed.

The temporary support 11 is preferably made of a flexible material which has good peelability from the alkali-soluble thermoplastic resin layer 12 and is chemically and thermally stable. .. Specifically, a thin sheet of Teflon (registered trademark), polyethylene terephthalate, polycarbonate, polyethylene, polypropylene or the like or a laminate thereof is preferable. In order to obtain good peelability, it is general that surface treatment such as glow discharge is not carried out, and no undercoat such as gelatin is provided. The thickness of the temporary support is 5 to 30
0 μm is suitable, and 20 to 150 μm is particularly preferable.

The alkali-soluble thermoplastic resin layer 12 has irregularities on the substrate (that is, irregularities due to already formed pixels).
It is preferable that it has a cushioning property so that it can be absorbed and that it is alkali-soluble so that it can be removed by an alkali developing solution. Examples of the resin contained in the alkali-soluble thermoplastic resin layer include saponified products of ethylene and an acrylic acid ester copolymer, saponified products of styrene and a (meth)acrylic acid ester copolymer, and vinyltoluene and a (meth)acrylic acid ester copolymer. It is preferable to use at least one selected from saponified polymers, poly(meth)acrylic acid esters, and saponified polymers such as butyl (meth)acrylate and (meth)acrylic acid ester copolymers such as vinyl acetate. Preferable, but further "Plastic Performance Handbook" (edited by Japan Plastics Industry Federation, All Japan Plastics Molding Federation, published by Industrial Research Board, 1968, 10)
Among the organic macromolecules issued on May 25th), those soluble in an alkaline aqueous solution can be used. Among these thermoplastic resins, those having a softening point of 80° C. or lower are preferable.

Further, in these organic polymer substances, various plasticizers, various polymers and supercooling substances, adhesion improvers or surfactants for controlling the adhesive force with the temporary support 11,
A release agent, etc. can be added. The Tg can be adjusted by these. Specific examples of preferable plasticizers include:
Polypropylene glycol, polyethylene glycol,
Dioctyl phthalate, diheptyl phthalate, dibutyl phthalate, tricresyl phosphate, cresyl diphenyl phosphate, biphenyl diphenyl phosphate, polyethylene glycol mono(meth)acrylate, polyethylene glycol di(meth)acrylate, polypropylene glycol mono(meth)acrylate , Polypropylene glycol di(meth)acrylate, addition reaction product of epoxy resin with polyethylene glycol mono(meth)acrylate, addition reaction product of organic diisocyanate with polyethylene glycol mono(meth)acrylate, organic diisocyanate with polypropylene glycol mono( Examples thereof include addition reaction products with (meth)acrylate and condensation reaction products with bisphenol A and polyethylene glycol mono(meth)acrylate. Alkali-soluble thermoplastic resin layer 12
The amount of plasticizer in the resin is 200% by mass based on the thermoplastic resin.
The following is general, and the range of 20 to 100 mass% is preferable. The thickness of the alkali-soluble thermoplastic resin layer 12 is 6 μm
The above is preferable. When the thickness of the alkali-soluble thermoplastic resin layer 12 is less than 6 μm, it becomes difficult to completely absorb the unevenness of the substrate of 1 μm or more. The upper limit is generally about 100 μm or less, preferably about 50 μm or less, from the viewpoint of developability and production suitability.

The intermediate layer 13 is provided for the purpose of blocking oxygen to the photosensitive resin layer 14 during exposure. This middle layer 13
Thus, the photosensitive resin layer 13 is formed so that the polymerization can proceed without inhibiting the polymerization of oxygen even in the air. As the binder that is the main component of the intermediate layer 13, any binder that is dispersed or dissolved in water or an alkaline aqueous solution and exhibits low oxygen permeability may be used, and known binders can be used.

Examples of the binder include, for example, Japanese Patent Laid-Open No. 46
-2121 and Japanese Patent Publication No. 56-40824, polyvinyl ether/maleic anhydride polymers, water-soluble salts of carboxyalkyl cellulose, water-soluble cellulose ethers, water-soluble salts of carboxyalkyl starch, polyvinyl alcohol, modified Polyvinyl alcohol (carboxyl group, terminal alkyl group, amino group, sulfonic acid group, terminal thiol group, silanol group, and amide group or combinations thereof), polyvinylpyrrolidone, various polyacrylamides, various water-soluble polyamides, polyacrylics Water-soluble salts of acids, gelatins, ethylene oxide polymers, water-soluble salts of any of various starches and their analogs, styrene/maleic acid copolymers (styrene-maleic acid copolymer hydrolyzate, styrene -Maleic acid copolymer half ester hydrolyzate), isobutylene-maleic anhydride copolymer hydrolyzate, maleate resin, gum arabic, casein styrene-maleic acid copolymer hydrolyzate, styrene-maleic acid copolymer Examples thereof include a half ester hydrolyzate, an isobutylene-maleic anhydride copolymer hydrolyzate, sodium polystyrene sulfonate and sodium alginate, and a combination of two or more of these.

Further, in the preparation of the coating solution for the intermediate layer which is required to have an oxygen barrier property, it is preferable to use a binder having high crystallinity as the main binder. Crystallinity of water-soluble resin is
Since it varies depending on the degree of polymerization or saponification of the resin, the crystallinity of the resin may be adjusted by setting these values to appropriate values. For example, in the case of polyvinyl alcohol, the crystallinity can be adjusted by the saponification degree and the ethylene modification degree. Those having a degree of saponification of 80 mol% or more are preferable because of high crystallinity.

The binder may be further modified with other functional groups. Specific examples of the other functional groups include itaconic acid, acrylic acid, maleic acid, and other carboxyl groups, silanol groups, terminal alkyl groups, terminal thiol groups,
An amino group, an ethylene group, etc. are mentioned.

A combination of polyvinyl alcohol and polyvinylpyrrolidone is particularly preferable for enhancing the adhesion between adjacent layers. The polyvinyl alcohol preferably has a saponification rate of 80% or more, and the content of polyvinylpyrrolidone is generally 1 to 75% by mass of the solid intermediate layer, preferably 1 to 60% by mass, and particularly 10 to 50% by mass. Mass% is more preferable. If it is less than 1% by mass, sufficient adhesiveness with the photosensitive resin layer cannot be obtained, and if it exceeds 75% by mass,
Oxygen blocking ability is reduced. The thickness of the intermediate layer 13 is very thin, and is preferably about 0.1 to 5 μm, particularly 0.5 to 2 μm. If it is less than about 0.1 μm, the oxygen blocking ability will be reduced to about 5 μm.
If it exceeds m, it takes too much time during development or removal of the intermediate layer.

Further, the intermediate layer 13 contains a compound (surfactant) represented by the following general formula (A). _{C n F 2n + 1 -L- (} CH 2 CH 2 O) m -H general formula (A) [Formula (A), m represents an integer of 4 to 25, n is 2
Represents an integer of -18. L represents a single bond or -CH ₂ CH ₂ S
Represents a linking group represented by O ₂ NR-, and R in this linking group
Represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms. ]

The fluoroaliphatic group of the compound represented by the general formula (A), that is, C _n F _2n+1-, is an alkyl group in which all hydrogen atoms are fluorine-substituted, and is either a straight chain or a branched chain. It may be. n represents an integer of 2 to 18, preferably 4 to 18, and more preferably 8 to 16.

In the general formula (A), m representing the number of ethylene oxide is preferably 4 to 25, more preferably 8 to 16.

In the general formula (A), when L is a linking group, the alkyl group represented by R is an alkyl group having 1 to 5 carbon atoms, such as methyl, ethyl, n-propyl, i. There may be mentioned -propyl, n-butyl, i-butyl, t-butyl, n-pentyl, i-pentyl and t-pentyl.

The compound represented by the general formula (A) has ethylene oxide in the molecule, can prevent gelation of the binder which is the main component of the intermediate layer, and can be used as a coating solution for the intermediate layer during storage. The stability of can be improved. Therefore, during the production of the photosensitive transfer material, the coating solution for the intermediate layer has good coatability and can be coated without unevenness.
Further, even if the compound represented by the general formula (A) diffuses and oozes out to the surface of the photosensitive resin layer, the adhesion is not deteriorated at the time of adhesion to the substrate.

The content of the compound represented by the general formula (A) is preferably 0.1 to 15%, more preferably 1 to 5%. By setting the content of the compound represented by the general formula (A) within this range, it is possible to form a color filter pattern that faithfully reproduces the photomask without impairing the oxygen blocking ability of the intermediate layer.

A photosensitive colored resin layer 14 is formed on the intermediate layer 13 described above. The photosensitive resin layer 14 is formed of a photosensitive resin composition including an alkali-soluble binder polymer, an ethylenically unsaturated double bond-containing monomer that can be addition-polymerized by irradiation of light, a photopolymerization initiator and a colorant. It is a layer.

As the alkali-soluble binder polymer, a polymer having a carboxylic acid group in its side chain, for example, JP-A-59-44615 and JP-B-54-34327.
JP-B, JP-B-58-12577, JP-B-54-
No. 25957, JP-A-59-53836, and JP-A-59-71048, a methacrylic acid copolymer, an acrylic acid copolymer, an itaconic acid copolymer, and a crotonic acid copolymer. Examples thereof include polymers, maleic acid copolymers and partially esterified maleic acid copolymers. Moreover, the cellulose derivative which has a carboxylic acid group in a side chain can also be mentioned. In addition, a polymer having a hydroxyl group and a cyclic acid anhydride added thereto can be preferably used. In particular, a copolymer of benzyl (meth)acrylate and (meth)acrylic acid described in U.S. Pat. No. 4,139,391 or a multi-component copolymer of benzyl (meth)acrylate, (meth)acrylic acid and other monomers is described. Can be mentioned.

The alkali-soluble binder polymer is 3
Acid value in the range of 0 to 400 mg KOH/g and 1000 to 3
Those having a weight average molecular weight in the range of 00000 are selected and used. In addition to the above, in order to improve various performances, for example, the strength of the cured film, an alkali-insoluble polymer can be added within a range that does not adversely affect the developability and the like. Examples of these polymers include alcohol-soluble nylon and epoxy resin. The content of the binder with respect to the total solid content of the photosensitive resin composition is 10 to 95% by mass, and more preferably 20 to 90% by mass. If it is less than 10% by mass, the tackiness of the photosensitive colored resin layer is too high, and if it exceeds 95% by mass, the strength and photosensitivity of the formed layer are poor.

As the above photopolymerization initiator, US Pat.
Substituted with vicinal polyketaldonyl compounds disclosed in US Pat. No. 3,676,660, acyloin ether compounds described in US Pat. No. 2,448,828, α-hydrocarbons described in US Pat. No. 2,722,512. Aromatic acyloin compound, US Pat. No. 30,461
No. 27 and No. 2951758, a polynuclear quinone compound, a combination of a triarylimidazole dimer and p-aminoketone described in US Pat. No. 3,549,367, and JP-B No. 51-48516. Benzothiazole compounds and trihalomethyl-s-triazine compounds, the trihalomethyl-s-triazine compounds described in US Pat. No. 4,239,850,
Examples thereof include trihalomethyloxadiazole compounds described in US Pat. No. 4,212,976. Particularly, trihalomethyl-s-triazine, trihalomethyloxadiazole and triarylimidazole dimer are preferable. The photosensitive resin composition has a photopolymerization initiator content of 0.5 to 20% by mass based on the total solid content.
Is general, and 1 to 15 mass% is preferable. 0.5 mass%
If it is less than 20%, the photosensitivity and the image strength are low, and if it is added in an amount of more than 20% by mass, the effect of improving the performance is not recognized.

The ethylenically unsaturated double bond-containing monomer which can be addition-polymerized by irradiation with the above-mentioned light has at least one addition-polymerizable ethylenically unsaturated group in the molecule and has a boiling point under normal pressure. The compound of 100 degreeC or more can be mentioned. Monofunctional acrylates and monofunctional methacrylates such as polyethylene glycol mono(meth)acrylate, polypropylene glycol mono(meth)acrylate and phenoxyethyl(meth)acrylate; polyethylene glycol di(meth)acrylate,
Polypropylene glycol di(meth)acrylate, trimethylolethane triacrylate, trimethylolpropane triacrylate, trimethylolpropane diacrylate, neopentyl glycol di(meth)acrylate, pentaerythritol tetra(meth)acrylate, pentaerythritol tri(meth)acrylate , Dipentaerythritol hexa(meth)acrylate, dipentaerythritol penta(meth)acrylate, hexanediol di(meth)acrylate, trimethylolpropane tri(acryloyloxypropyl)
Ether, tri(acryloyloxyethyl)isocyanurate, tri(acryloyloxyethyl)cyanurate, glycerin tri(meth)acrylate; After adding propylene oxide to ethylene oxide to polyfunctional alcohol such as trimethylolpropane or glycerin, it becomes (meth)acrylate. Examples thereof include polyfunctional acrylates and polyfunctional methacrylates. Further, urethane acrylates described in JP-B-48-41708, JP-B-50-6034 and JP-A-51-37193; JP-A-48-64183 and JP-B-49-43191. And Japanese Patent Sho 52-
Polyfunctional acrylates and methacrylates such as polyester acrylates described in Japanese Patent No. 30490; epoxy acrylates, which are reaction products of epoxy resin and (meth)acrylic acid, and the like. Among these, trimethylolpropane tri(meth)acrylate, pentaerythritol tetra(meth)acrylate, dipentaerythritol hexa(meth)acrylate and dipentaerythritol penta(meth)acrylate are preferable. The monomers having an ethylenically unsaturated double bond which undergo addition polymerization upon irradiation with light may be used alone or in combination of two or more, and the content of the light-shielding photosensitive resin composition based on the total solid content is 5 to 50 mass% is general, and 10 to 40 mass% is preferable. If it is less than 5% by mass, the photosensitivity and the strength of the image are lowered, and if it exceeds 50% by mass, the tackiness of the photosensitive resin layer becomes excessive, which is not preferable.

The above colorants include red, green, blue,
Known pigments and dyes of yellow, purple, magenta, cyan and black can be used. Preferred examples of these include Victoria Pure Blue BO (C.
I. 42595), auramine (C.I. 4100)
0), Fat Black HB (C.I.2615)
0), monolight yellow GT (CI pigment yellow 12), permanent yellow GR (C.I.
I. Pigment Yellow 17), Permanent Yellow HR (C.I. Pigment Yellow 83), Permanent Carmine FBB (C.I. Pigment Red 146), Hoster Balm Red ESB (C.I. Pigment Violet 19) , Permanent Ruby FBH (C.I. Pigment Red 11), Fastel Pink B-Supra (C.I. Pigment Red 8)
1), Monastral First Blue (CI Pigment Blue 15), Monolite First Black B (CI Pigment Black 1) and carbon black. Further, as a pigment particularly suitable for producing a color filter, C.I. I. Pigment Red 97, C.I. I. Pigment Red 122,
C. I. Pigment Red 149, C.I. I. Pigment Red 168, C.I. I. Pigment Red 17
7, C.I. I. Pigment Red 180, C.I. I. Pigment Red 192, C.I. I. Pigment Red 2
15, C.I. I. Pigment Green 7, C.I. I. Pigment Green 36, C.I. I. Pigment Blue 1
5:1, C.I. I. Pigment Blue 15:4, C.I.
I. Pigment Blue 15:6, C.I. I. Pigment Blue 22, C.I. I. Pigment Blue 60, C.I.
I. Pigment Blue 64, C.I. I. Pigment Yellow 139, C.I. I. Pigment Yellow 83, C.I.
I. Pigment Violet 23 and the like. The above-mentioned pigments and dyes generally have an average particle diameter of 5 μm or less, preferably 1 μm or less. When producing a color filter, it is preferable to use one having an average particle size of 0.5 μm or less.

In addition to the above components, it is preferable to further contain a thermal polymerization inhibitor. Examples of thermal polymerization inhibitors include hydroquinone, p-methoxyphenol, di-t-butyl-p.
-Cresol, pyrogallol, t-butylcatechol,
Benzoquinone, 4,4'-thiobis(3-methyl-6-
t-butylphenol), 2,2'-methylenebis(4
-Methyl-6-t-butylphenol), 2-mercaptobenzimidazole, phenothiazine and the like.

Further, known additives such as a plasticizer, a surfactant and a solvent can be added if necessary.
The thickness of the photosensitive colored resin layer formed from the photosensitive resin composition is preferably in the range of 0.5 to 10 μm, particularly 1 to 5
The range of μm is preferred.

The photosensitive resin layer coating liquid can be obtained, for example, by dispersing a mixture of a coloring material and a binder and then mixing other materials.

The adhesive force between the above layers is the smallest between the temporary support 11 and the alkali-soluble thermoplastic resin layer 12, and when the photosensitive transfer material is adhered to the substrate, the temporary support is peeled off. 11 and alkali-soluble thermoplastic resin layer 12
Peel between and.

The above-mentioned photosensitive transfer material can be manufactured by the manufacturing method of the present invention as follows. In the production method of the present invention, there is a step of preparing an alkali-soluble thermoplastic resin layer coating liquid, a step of preparing an intermediate layer coating liquid, and a step of preparing a photosensitive resin coating liquid, the temporary support surface Then, layers corresponding to the respective coating solutions are sequentially formed. Then, in the step of preparing the intermediate layer coating liquid, at least the compound represented by the following general formula (A), a binder made of a water-soluble resin, and water are mixed and heated,
It has a process of preparing an aqueous solution of a water-soluble resin. On the other hand, a photosensitive colored resin layer may be formed on the surface of a covering sheet described below, and the photosensitive resin layer may be bonded to the intermediate layer surface of the temporary support on which the alkali-soluble thermoplastic resin layer and the intermediate layer are formed. Alternatively, it may be produced by forming an alkali-soluble thermoplastic resin layer on the surface of the temporary support and laminating it on the surface of the intermediate layer of the covering sheet on which the photosensitive colored resin layer and the intermediate layer are formed. ..

The coating solution for the alkali-soluble thermoplastic resin layer is
The above-mentioned alkali-soluble thermoplastic resin is mixed with a plasticizer, a supercooling substance, an adhesion improver, a surfactant, a release agent, etc.,
It is prepared by dissolving it in a suitable solvent.

The coating solution for the intermediate layer is prepared by a preparation step including a step of preparing an aqueous solution of a water-soluble resin containing at least the compound represented by the general formula (A), a binder, and water.

The solid content of the compound represented by the general formula (A) in the coating solution for the intermediate layer is preferably 0.01% by mass or more and 10% by mass or less based on the binder. By setting the solid content within the above range, it is possible to obtain an intermediate layer coating solution which is excellent in oxygen blocking ability and which can form an intermediate layer having good gelation.

As the solvent for the coating solution for the intermediate layer, it is effective to use water, as well as a solvent such as methanol or ethanol, which swells the alkali-soluble thermoplastic resin layer.

In preparing the coating solution for the intermediate layer, the aqueous solution of the water-soluble resin is prepared by mixing the compound represented by the general formula (A), the binder and water with heating. Alternatively, they may be mixed while heating. The heating temperature at this time is preferably 80 to 100°C.

The photosensitive resin layer coating solution is prepared by mixing the above-mentioned ethylenically unsaturated double bond-containing monomer, photopolymerization initiator, colorant and the like.

Each coating solution for forming the above alkali-soluble thermoplastic resin layer, intermediate layer, and photosensitive resin layer can be coated by a known method to form each layer. For example,
It can be formed by applying a coating solution using a coating machine such as a spinner, a whiler, a roller coater, a curtain coater, a knife coater, a wire bar coater, and an extruder, and then drying it.

A thin covering sheet is preferably provided on the surface of the photosensitive colored resin layer in order to protect it from contamination and damage during storage. The covering sheet may be made of the same or similar material as the temporary support, but it is required that it can be easily separated from the photosensitive colored resin layer. Examples of the preferable covering sheet include silicone paper, polyolefin sheet and polytetrafluoroethylene sheet. The thickness of the covering sheet is generally 5 to 100 μm, preferably 10 to 30 μm.

When the photosensitive colored resin layer of the photosensitive multi-layer sheet is attached to a permanent temporary support such as a glass substrate and the temporary support is peeled off, the charged temporary support (film) and the human body are uncomfortable. There is a problem that electric shock may occur or dust may adhere to the charged temporary support. Therefore, it is preferable to provide a conductive layer on the temporary support or to perform a treatment for imparting conductivity to the temporary support itself. Also,
When the conductive layer is provided on the side opposite to the temporary support (the side having no photosensitive colored resin layer), it is preferable to provide the hydrophobic polymer layer in order to improve scratch resistance.

Production of a multicolor image sheet such as a color filter using the above-mentioned photosensitive multilayer sheet can be carried out, for example, as follows. The formation of each of the red, green, and blue pixels is performed by transferring the photosensitive red resin layer to the substrate surface using a photosensitive multilayer sheet (transfer sheet) having a photosensitive red resin layer for red pixels. This is carried out by exposing and developing to form red pixels, and similarly forming green and blue pixels as well. Alternatively, the photosensitive resin layer of each pixel may be formed by applying a photosensitive resin coating liquid for pixel formation and drying without using a transfer sheet. Red,
When arranging three kinds of pixels of green and blue, any arrangement such as a mosaic type, a triangle type, a four-pixel arrangement type may be used.

The photosensitive black resin layer is transferred onto the surface of the substrate by using a photosensitive multilayer sheet having a photosensitive black resin layer on the upper surface of each pixel of the pixel sheet and the gap area between the pixels, and back exposure ( From the non-pixel side), develop to form a black matrix. The uncured portion is cured by heating the image sheet (performed for each pixel).

The lamination of the above-mentioned photosensitive multilayer sheet on the substrate surface is generally carried out by removing the coating sheet on the photosensitive colored resin layer of the photosensitive multilayer sheet, stacking the photosensitive multilayer sheet on the substrate surface, and pressing. , Done under heating. For laminating, a known laminator such as a laminator, a vacuum laminator, and an auto-cut laminator capable of improving productivity can be used. afterwards,
After peeling off the temporary support, the photosensitive colored resin layer is exposed through a predetermined mask, the alkali-soluble thermoplastic resin and the intermediate layer, and then the unexposed area is removed (development). The light source used for the exposure is selected according to the photosensitivity of the photosensitive colored resin layer. For example, ultra-high pressure mercury lamp, xenon lamp,
A known light source such as a carbon arc lamp or an argon laser can be used. As described in JP-A-6-59119, the light transmittance at a wavelength of 400 nm or more is 2%.
You may use together the following optical filters.

Although a dilute aqueous solution of an alkaline substance is used as the developing solution for the above-mentioned photosensitive colored resin layer, a solution containing a small amount of an organic solvent miscible with water may be used. Suitable alkaline substances include alkali metal hydroxides (eg, sodium hydroxide, potassium hydroxide), alkali metal carbonates (eg, sodium carbonate, potassium carbonate), alkali metal bicarbonates (eg, sodium hydrogen carbonate). , Potassium hydrogen carbonate), alkali metal silicates (eg, sodium silicate, potassium silicate), alkali metal metasilicates (eg, sodium metasilicate,
Potassium metasilicate), triethanolamine, diethanolamine, monoethanolamine, morpholine, tetraalkylammonium hydroxides (eg tetramethylammonium hydroxide) or trisodium phosphate. The concentration of the alkaline substance is 0.01% by mass to 30% by mass, and the pH is 8 to 1
4 is preferable.

Suitable organic solvents that are miscible with water include methanol, ethanol, 2-propanol and 1
-Propanol, butanol, diacetone alcohol,
Ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol mono-
n-butyl ether, benzyl alcohol, acetone,
Methyl ethyl ketone, cyclohexanone, ε-caprolactone, γ-butyrolactone, dimethylformamide,
Dimethylacetamide, hexamethylphosphoramide,
Mention may be made of ethyl lactate, methyl lactate, ε-caprolactam and N-methylpyrrolidone. The concentration of the water-miscible organic solvent is generally 0.1 to 30% by mass.

The developing solution can be used as a bath solution or a spray solution. To remove the uncured portion of the photosensitive colored resin layer, a method such as rubbing with a rotating brush in a developing solution or rubbing with a wet sponge, or a method using spray pressure when spraying the developing solution is appropriately used. be able to. Usually, the temperature of the developing solution is preferably in the range of about room temperature to 40°C. It is also possible to include a water washing step after the development processing. Further, the development is carried out by using an alkali-soluble thermoplastic resin layer,
The intermediate layer and the photosensitive colored resin layer may be performed at one time, but in order to reduce development unevenness and deterioration of the layer due to the developing solution during development of the photosensitive colored resin layer, the alkali-soluble thermoplastic resin layer and the intermediate layer are formed. It is preferable that the photosensitive colored resin layer is developed after being first dissolved and removed. When the photosensitive colored resin layer is developed later, it is preferable that the developer used for removing the alkali-soluble thermoplastic resin layer and the intermediate layer is selected so as not to deteriorate the photosensitive colored resin layer. This method, by selecting a developer in consideration of the difference in dissolution rate between the alkali-soluble thermoplastic resin layer and the intermediate layer, and the photosensitive colored resin layer, or by the liquid temperature, spray pressure,
It can be carried out by appropriately combining development processing conditions such as pressure during rubbing. By this method, development unevenness can be suppressed.

After the developing step, heat treatment is performed. That is, a temporary support having a colored resin layer photocured by exposure (hereinafter referred to as a photocurable layer) is heated in an electric furnace, a drier or the like, or the photocurable layer is irradiated with an infrared lamp. To heat. The heating temperature and time depend on the composition of the polymerizable composition used and the thickness of the formed layer, but generally, about 120° C. to about 250° C. are required to obtain sufficient solvent resistance and alkali resistance. Range from about 10 minutes to about 300
It is preferable to heat for a minute.

The photosensitive multilayer sheet of the present invention can be advantageously used not only for producing the above-mentioned color filter but also for producing a printed wiring board and a multicolor image. A known copper-clad laminate is generally used as a substrate for producing a printed wiring board.

[0053]

The present invention will be described in more detail based on the following examples, but the invention is not intended to be limited thereto. (Example 1) The following formulation C was applied to the surface of a temporary support 11 made of a polyethylene terephthalate film having a thickness of 50 μm.
The coating solution consisting of 1 is applied and dried to give a dry film thickness of 20μ.
m thermoplastic resin layer (alkali-soluble thermoplastic resin layer)
12 was formed.

Thermoplastic resin layer coating liquid C1: methylmethac
Relate/2-ethylhexyl acrylate/benzyl
Methacrylate/methacrylic acid copolymer (copolymerization composition ratio
(Molar ratio)=55/30/10/5, weight average molecular weight=
100,000, Tg≈70° C.): 14 parts by mass Styrene/acrylic acid copolymer (copolymerization composition ratio (mol
Ratio)=65/35, weight average molecular weight=10,000, Tg≈1
(00°C): 4 parts by mass Bisphenol A with octaethylene glycol monometa
Compound obtained by dehydration condensation of 2 equivalents of acrylate (Shin Nakamura Chemical
(Manufactured by BPE-500): 4 parts by mass Methyl ethyl ketone: 63 parts by mass Methanol: 15 parts by mass Fluorine-based polymer^*)(Methyl isobutyl ketone 20 mass%
Solution): 1 part by mass *) The fluorine-based polymer is C₈F₁₇SO₂N (C_FourH₉) CH
₂CH₂OCOCH=CH ₂60% by mass and H(O(C
H₃) CHCH₂)₆OCOCH=CH₂With 40% by mass
It is a polymer having a weight average molecular weight of 30,000.

Next, the surface of the thermoplastic resin layer 12 is mixed with components of an intermediate layer coating liquid having the following formulation P1 to prepare the mixture, which is then coated and dried to give a dry film thickness of 1.6 μm.
A thick intermediate layer 13 was provided. At this time, the coatability and the stability of the coating solution were at a practical level without any problems. Intermediate layer coating liquid P1: PVA205 (Kuraray Co., Ltd. polyvinyl alcohol, saponification degree = 88%, polymerization degree 550, modification degree 0%, hereinafter referred to as "PVA-1"): 135 parts by mass polyvinylpyrrolidone (GAF Corporation) Made P
VP, K-30): 15 parts by mass Distilled water: 2565 parts by mass Methanol: 285 parts by mass A compound represented by the general formula (A) (m=16, n=2, L)
_{= -CH 2 CH 2 SO 2 N} (C 3 H 7) -): 2.3 parts by weight

In the above formulation, first, PVA-1 and polyvinylpyrrolidone were dissolved in distilled water and methanol, and then the compound represented by the above formula (A) was added to complete the intermediate layer coating liquid P1. Let

The alkali-soluble thermoplastic resin layer 12 and the intermediate layer 13 are formed on four temporary supports 11, and each intermediate layer 13 has a black (K layer) having the formulation shown in Table 1. ), a red (for R layer), a green (for G layer), and a blue (for B layer) four-color photosensitive resin layer coating liquid is applied and dried to form a photosensitive colored resin having a dry film thickness of 2 μm. Layer 14 was formed.

[0058]

[Table 1]

Further, a polypropylene (12 μm thick) coating sheet was pressure-bonded onto the photosensitive resin layer 14 to prepare red, blue, green and black photosensitive transfer materials.

Using this photosensitive transfer material, a color filter was prepared by the following method. The coating sheet of the red photosensitive transfer material was peeled off, and the photosensitive resin layer surface was pressed onto the transparent glass substrate (thickness 1.1 mm) using a laminator (VP-II manufactured by Taisei Laminator Co., Ltd.) (10 kg/c).
m), heating (130°C) and bonding (speed 0.7m)
/Min), and then the temporary support 11 and the thermoplastic resin layer 12
The temporary support 11 was removed by peeling at the interface with. Next, light exposure was performed through a predetermined photomask, and after the exposure, the thermoplastic resin layer 12 and the intermediate layer 13 were dissolved and removed with a 1% triethanolamine aqueous solution. The minimum removal time required to completely remove these layers was 30 seconds. Next, the photosensitive resin layer 14 was developed with a 1% sodium carbonate aqueous solution to remove unnecessary portions, and a red pixel pattern was formed on the glass substrate. Then, on the glass substrate on which the red pixel pattern was formed, the green photosensitive transfer material was adhered, peeled, exposed and developed in the same manner as above to form a green pixel pattern. The same process was repeated for blue and black photosensitive transfer materials to form a color filter on a transparent glass substrate.
The resulting color filter had no unevenness, and the sensitivity and resolution were at a practical level.

(Example 2) In the intermediate layer coating liquid P1,
A photosensitive transfer material of each color was prepared in the same manner as in Example 1 except that the addition timing of the compound represented by the general formula (A) was changed after the binder was dissolved to when the binder was dissolved. Then, a color filter was produced using the photosensitive transfer material.

Example 3 A photosensitive transfer material of each color was prepared in the same manner as in Example 2 except that n in the compound represented by the general formula (A) in the coating solution P1 for the intermediate layer was changed to 8. .. Then, a color filter was produced using the photosensitive transfer material.

Example 4 A photosensitive transfer material for each color was prepared in the same manner as in Example 2 except that n in the compound represented by the general formula (A) in the coating solution P1 for intermediate layer was changed to 14. .. Then, a color filter was produced using the photosensitive transfer material.

(Example 5) A photosensitive transfer material of each color was prepared in the same manner as in Example 3 except that m in the compound represented by the general formula (A) in the coating solution P1 for intermediate layer was changed to 8. .. Then, a color filter was produced using the photosensitive transfer material.

(Example 6) A photosensitive transfer material of each color was prepared in the same manner as in Example 3 except that m in the compound represented by the general formula (A) in the coating liquid P1 for the intermediate layer was changed to 25. .. Then, a color filter was produced using the photosensitive transfer material.

Example 7 A photosensitive transfer material for each color was prepared in the same manner as in Example 3 except that R in the compound represented by the general formula (A) in the coating solution P1 for intermediate layer was changed to C ₅ H _11. Was produced. Then, a color filter was produced using the photosensitive transfer material.

Example 8 A photosensitive transfer material of each color was prepared in the same manner as in Example 3 except that L in the compound represented by the general formula (A) in the coating solution P1 for intermediate layer was changed to a single bond. did. Then, a color filter was produced using the photosensitive transfer material.

Example 9 Photosensitivity of each color was the same as in Example 3 except that the addition amount of the compound represented by the general formula (A) in the coating solution P1 for the intermediate layer was changed to 1.2 parts by mass. A transfer material was prepared. Then, a color filter was produced using the photosensitive transfer material.

Example 10 A photosensitive transfer material of each color was prepared in the same manner as in Example 3 except that the amount of the compound represented by the general formula (A) added to the coating solution P1 for the intermediate layer was changed to 15 parts by mass. Was produced. Then, a color filter was produced using the photosensitive transfer material.

Example 11 PVA217 (polyvinyl alcohol manufactured by Kuraray Co., Ltd., saponification degree=88%, polymerization degree 1750, modification degree 0% instead of PVA-1 used in the coating solution P1 for intermediate layer, hereinafter referred to as “PVA”. -2") was used to prepare a photosensitive transfer material of each color in the same manner as in Example 3. Then, a color filter was produced using the photosensitive transfer material.

(Example 12) KL318 (polyvinyl alcohol manufactured by Kuraray Co., Ltd., saponification degree=88%, polymerization degree 1750, itaconic acid modification degree 1%, instead of PVA-1 used in the coating solution P1 for intermediate layer, "PVA-
3”. )) was used in the same manner as in Example 3 to prepare a photosensitive transfer material of each color. Then, a color filter was produced using the photosensitive transfer material.

(Example 13) PVA105 (polyvinyl alcohol manufactured by Kuraray Co., Ltd., saponification degree=98.5%, instead of PVA-2 used in the coating solution P1 for intermediate layer,
The degree of polymerization is 550, the degree of modification is 0%, and is hereinafter referred to as "PVA-4". A photosensitive transfer material of each color was produced in the same manner as in Example 3 except that (4) was used. Then, a color filter was produced using the photosensitive transfer material.

(Example 14) RS105 (polyvinyl alcohol manufactured by Kuraray Co., Ltd., saponification degree=98.5%, instead of PVA-2 used in the coating solution P1 for intermediate layer,
Polymerization degree 550, ethylene modification degree 10%, hereinafter "PVA-
5”. )) was used in the same manner as in Example 3 to prepare a photosensitive transfer material of each color. Then, a color filter was produced using the photosensitive transfer material.

(Example 15) Polyvinyl alcohol was used instead of PVA-2 used in the intermediate layer coating solution P1.
Saponification degree = 88%, degree of polymerization 550, degree of terminal alkyl modification,
Hereinafter referred to as "PVA-6". )) was used in the same manner as in Example 3 to prepare a photosensitive transfer material of each color.
Then, a color filter was produced using the photosensitive transfer material.

Example 16 Instead of PVA-2 used in the coating solution P1 for the intermediate layer, R2105 (polyvinyl alcohol manufactured by Kuraray Co., saponification degree=about 99%, polymerization degree 550, silanol modification, hereinafter referred to as “PVA-”) was used. 7”))) was used to prepare a photosensitive transfer material of each color in the same manner as in Example 3. Then, a color filter was produced using the photosensitive transfer material.

Example 17 Instead of PVA-2 used in the coating solution P1 for the intermediate layer, M205 (Kuraray Co., Ltd.) was used.
Polyvinyl alcohol, saponification degree = 88%, degree of polymerization 55
0, terminal SH modified, hereinafter referred to as "PVA-8". A photosensitive transfer material of each color was produced in the same manner as in Example 3 except that (4) was used. Then, a color filter was produced using the photosensitive transfer material.

Comparative Example 1 A photosensitive transfer material of each color was prepared in the same manner as in Example 2 except that the compound represented by the general formula (A) was not used in the intermediate layer coating liquid P1. Then, a color filter was produced using the photosensitive transfer material.

Comparative Example 2 A photosensitive transfer material of each color was prepared in the same manner as in Example 1 except that n in the compound represented by the general formula (A) in the coating solution P1 for intermediate layer was changed to 1. .. Then, a color filter was produced using the photosensitive transfer material.

(Comparative Example 3) In the intermediate layer coating liquid P1,
Fluorine-based surfactant (Asahi Glass Co., Ltd. Surflon S-1
No. 31, hereinafter referred to as “surfactant 1)” was added to prepare a photosensitive transfer material of each color in the same manner as in Comparative Example 1. Then, using the photosensitive transfer material, a color filter was prepared. When the photosensitive transfer material was attached to the transparent glass substrate, when it was attempted to be peeled at the interface between the temporary support 11 and the alkali-soluble thermoplastic resin layer 12, the photosensitive resin layer 14 surface and the transparent glass substrate were Adhesion was poor and peeling of the photosensitive resin layer 14 occurred.

(Comparative Example 4) In the intermediate layer coating liquid P1,
A photosensitive transfer material of each color was prepared in the same manner as in Comparative Example 1 except that 3 parts by mass of a 20% by mass isopropyl alcohol solution of the fluoropolymer used in the thermoplastic resin layer coating liquid C1 was added. A color filter was produced using the material. During the preparation of the coating solution for the intermediate layer, the fluorine-based polymer did not dissolve uniformly, and repelling occurred during coating.

[Evaluation of Adhesion to Substrate] The coating sheet of red photosensitive transfer material was peeled off, and the photosensitive resin layer surface was laminated on a transparent glass substrate (thickness 1.1 mm) with a laminator (VP-II manufactured by Taisei Laminator Co., Ltd.). Pressurized (10 kg/c
m), heating (130°C) and bonding (speed 0.7m)
/Min), followed by peeling at the interface between the temporary support and the thermoplastic resin layer, the evaluation was made in 5 grades of AA, BB, CC, DD and EE. The meanings of the evaluation levels AA to EE are as follows. Note that CC and above are practical levels. AA: There is no peeling at all, and the substrate adhesion is extremely good. BB: There was slight peeling in only one of the four corners, but the substrate adhesion was good. CC: There is little peeling at the four corners, and there is no problem with substrate adhesion. DD: Peeling exists in the center, and the substrate adhesion is poor. EE: Almost all peeled off, and the substrate adhesion was extremely poor.

[Evaluation of Unevenness of Color Filter] A photosensitive transfer material was attached and the temporary support was removed in the same manner as in the method described for the substrate adhesion. Next, the photosensitive red resin layer was exposed using a super high pressure mercury lamp through a photomask (negative type square pixels having a side of 20 to 60 μm). The exposure amount was 20 mJ/cm ² . After that, the alkali-soluble thermoplastic resin layer was dissolved and removed in 30 seconds using a 1% triethanolamine aqueous solution. Next, the photosensitive red resin layer was developed with a 1% sodium carbonate aqueous solution to remove the unexposed portion, thereby forming a pattern of red pixels (R). The glass substrate having red pixels was heated at 220° C. for 130 minutes to sufficiently cure the pixel portion, and a color filter having only red pixels was produced. It was evaluated by visual observation and microscopic observation on a scale of five. The meanings of AA to EE are as follows. Note that CC and above are practical levels. AA: No color unevenness is observed. BB: Color unevenness is slightly seen. CC: Some color unevenness is seen. DD: Many color irregularities are seen. EE: Color unevenness is seen on the entire surface.

[Evaluation of Sensitivity of Color Filter] In the evaluation of unevenness of the above color filter, 20 mJ/cm ²
Instead of exposing at 1, the film was exposed by changing the amount of exposure, and then similarly developed, and the film thickness of the residual film was measured. The exposure amount (mJ/cm ² ) when the film thickness was 90% before processing was evaluated as the sensitivity. The smaller the amount of exposure, the higher the sensitivity. The obtained results were evaluated on a scale of five. The meanings of AA to EE are as follows. Note that CC and above are practical levels. AA: Less than 12 mJ/cm ² , extremely high sensitivity. BB: High sensitivity is 12 or more and less than 17 mJ/cm ² . CC: 17 or more and less than 25 mJ/cm ² , sensitivity is normal. DD: 25 or more and less than 50 mJ/cm ² has low sensitivity. EE: 50 mJ/cm ² or more, extremely low sensitivity.

[Evaluation of Color Filter Resolution] In the above evaluation of color filter unevenness, one side of 20 to 60
Instead of using a photomask having negative square pixels of μm, a photomask having a pattern with a changed line width was used for exposure, followed by development in the same manner, and the reproduced line width of the photomask was evaluated as the resolution. The narrower the line width, the higher the resolution. The obtained results were evaluated on a scale of five. AA to EE
Is as follows. CC and above are practical levels. AA: Less than 5 μm, the resolution is extremely high. BB: High resolution with 5 or more and less than 8 μm. CC: Normal resolution is 8 or more and less than 14 μm. DD: 14 or more and less than 30 μm, the resolution is low. EE: The resolution is extremely low at 30 μm or more.

[Evaluation of coatability of coating solution for intermediate layer] The coatability of the coating solution for intermediate layer was evaluated in five levels by observing the state from application to drying. The meanings of AA to EE are as follows. Note that CC and above are practical levels. AA: Immediately after the application, it is applied uniformly over the entire surface, and the application property is extremely good. BB: Immediately after coating, only a few mm on both ends of the coating liquid film gives a slightly thick coating, but leveling is performed by the time of drying, and the coatability is good. CC: Slight unevenness is observed immediately after application, but leveling is performed by the time of drying except for several mm at both ends of the coating liquid film, and the coating property is normal. DD: Immediately after application, unevenness is observed, leveling is not performed until drying, and the coatability is poor. EE: Repelling occurs on the entire surface immediately after coating, cannot be coated, and coatability is extremely poor.

[Evaluation of Stability of Coating Solution for Intermediate Layer] Examples 1 to 1
The coating solutions for the intermediate layers obtained in Example 17 and Comparative Examples 1 to 4 were allowed to stand for 7 days, respectively, and the presence or absence of precipitates or cloudiness,
Also, it was examined whether the viscosity of the liquid increased. After that, the intermediate layer coating solution was filtered using an 8 mmφ 1 micron filter to examine the filterability, and was evaluated in 5 grades of AA to EE. If the viscosity of the coating solution for the intermediate layer is not increased even after standing, the life of the solution will be long. The meanings of the evaluation levels AA to EE are as follows. Note that CC and above are practical levels. AA: No increase in viscosity was observed and the liquid life was extremely good. BB: Although the viscosity is slightly increased, the filtration pressure is not increased even when 200 ml is filtered, and the liquid life is good. CC: Viscosity is increased, but 200 ml can be filtered and liquid life is normal. DD: The viscosity has risen considerably, 200 ml cannot be filtered, and the liquid life is rather poor. EE: A crystalline precipitate was generated or white turbidity was observed in the liquid, filtration was not possible, and the liquid life was poor.

The results of each of the above examples are shown in Table 2.

[0088]

[Table 2]

From Table 2, in Examples 1 to 17, the substrate adhesion, unevenness, sensitivity/resolution, coatability and stability of the coating liquid P1 for the intermediate layer were all CC or better, which was good.
On the other hand, in Comparative Examples 1 to 4, the intermediate layer coating liquid P1 does not contain the compound represented by the general formula (A),
Satisfactory results were not obtained in the coating properties and stability of the coating liquid P1, the unevenness of the photosensitive transfer material, and the sensitivity and resolution.

[0090]

Industrial Applicability According to the present invention, there is provided a photosensitive transfer material having a photosensitive resin layer which is free from color unevenness, has a smooth surface, and has excellent adhesiveness to a substrate when transferred to the substrate, and the same. A manufacturing method can be provided.

[Brief description of drawings]

FIG. 1 is a schematic sectional view of a photosensitive transfer material of the present invention.

[Explanation of symbols]

11 Temporary support 12 Alkali-soluble thermoplastic resin layer 13 Intermediate layer 14 Photosensitive colored resin layer (photosensitive resin layer)

Claims (4)

[Claims] 1. At least an alkali-soluble thermoplastic resin layer, an intermediate layer containing a binder as a main component, and a photosensitive resin layer are formed in this order on the surface of the temporary support, and the temporary support and the alkali-soluble thermoplastic resin are formed. A photosensitive transfer material having the smallest adhesive force with a resin layer, wherein the intermediate layer contains a compound represented by the following general formula (A). _{C n F 2n + 1 -L- (} CH 2 CH 2 O) m -H general formula (A) [Formula (A), m represents an integer of 4 to 25, n is 2
Represents an integer of -18. L represents a single bond or -CH ₂ CH ₂ S
Represents a linking group represented by O ₂ NR-, and R in this linking group
Represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms. ] 2. A step of preparing an alkali-soluble thermoplastic resin layer coating solution, a step of preparing an intermediate layer coating solution, and a step of preparing a photosensitive resin coating solution. In the method for producing a photosensitive transfer material in which layers corresponding to respective coating solutions are sequentially formed, the step of preparing the intermediate layer coating solution comprises at least a compound represented by the following general formula (A) and a water-soluble resin. A method for producing a photosensitive transfer material, comprising a step of preparing an aqueous solution of a water-soluble resin containing a binder and water. _{C n F 2n + 1 -L- (} CH 2 CH 2 O) m -H general formula (A) [Formula (A), m represents an integer of 4 to 25, n is 2
Represents an integer of -18. L represents a single bond or -CH ₂ CH ₂ S
Represents a linking group represented by O ₂ NR-, and R in this linking group
Represents a hydrogen atom or an alkyl group having 1 to 5 carbon atoms. ] 3. The general formula (A) in the coating solution for the intermediate layer.
The method for producing a photosensitive transfer material according to claim 2, wherein the solid content of the compound represented by is 0.01% by mass or more and 10% by mass or less with respect to the binder. 4. The method for producing a photosensitive transfer material according to claim 2, wherein the water-soluble resin is a polyvinyl alcohol-based resin.