WO2019156000A1 - Photosensitive resin composition - Google Patents
Photosensitive resin composition Download PDFInfo
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- WO2019156000A1 WO2019156000A1 PCT/JP2019/003674 JP2019003674W WO2019156000A1 WO 2019156000 A1 WO2019156000 A1 WO 2019156000A1 JP 2019003674 W JP2019003674 W JP 2019003674W WO 2019156000 A1 WO2019156000 A1 WO 2019156000A1
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- resin composition
- photosensitive resin
- compound
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/0045—Photosensitive materials with organic non-macromolecular light-sensitive compounds not otherwise provided for, e.g. dissolution inhibitors
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/022—Quinonediazides
- G03F7/0223—Iminoquinonediazides; Para-quinonediazides
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/022—Quinonediazides
- G03F7/023—Macromolecular quinonediazides; Macromolecular additives, e.g. binders
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/075—Silicon-containing compounds
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/075—Silicon-containing compounds
- G03F7/0757—Macromolecular compounds containing Si-O, Si-C or Si-N bonds
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/22—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
- C08G77/24—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen halogen-containing groups
Definitions
- the present invention relates to a photosensitive resin composition and a cured film obtained therefrom. More specifically, the present invention relates to a photosensitive resin composition capable of forming an image having high water repellency and oil repellency on the surface of the cured film, a cured film thereof, and various materials using the cured film.
- This photosensitive resin composition is particularly suitable for use as an interlayer insulating film in a liquid crystal display or an EL display, a light shielding material corresponding to an inkjet method, or a partition material.
- a full color display substrate manufacturing technique using an ink jet in a manufacturing process of a display element such as a thin film transistor (TFT) type liquid crystal display element or an organic EL (electroluminescent) element has been actively studied.
- TFT thin film transistor
- organic EL electroluminescent
- a color filter in a liquid crystal display element light is blocked from a section (hereinafter referred to as a bank) that defines pixels that have been patterned in advance, compared to a conventional printing method, electrodeposition method, dyeing method, or pigment dispersion method.
- Patent Document 2 a method has been proposed (Patent Document 2) in which an organic EL display element is manufactured by preparing a bank in advance and dropping an ink serving as a light emitting layer in the same manner.
- the substrate has ink-philicity (hydrophilicity, oleophilicity) to prevent the ink droplet from overflowing to the adjacent pixels beyond the bank.
- the bank surface must be water and oil repellent.
- the substrate can be made hydrophilic and the bank can be made water repellent by continuous plasma treatment such as oxygen gas plasma treatment and fluorine gas plasma treatment or UV ozone treatment. It has been proposed (Patent Document 3). In addition, a proposal has been made that a fluorine-based surfactant or a fluorine-based polymer is blended with a photosensitive organic thin film (Patent Document 4), but consideration is given not only to photosensitivity but also to coating properties, such as compatibility. Not only is there much to be done, but also the UV ozone treatment during the hydrophilic treatment of the substrate reduces the water repellency of the surface, which is not practical.
- Patent Document 5 Japanese Unexamined Patent Application Publication No. 2015-172742
- Patent Document 6 JP 2012-220860 A
- JP 2000-187111 A Japanese Patent Laid-Open No. 11-54270 JP 2000-353594 A JP-A-10-197715 Japanese Patent Laying-Open No. 2015-172742 JP 2012-220860 A
- the present invention has been made in view of the above circumstances, and the problem to be solved is used for liquid crystal display elements, organic EL display elements and the like, and even after UV ozone treatment, the surface of the cured film It is to form an image of a cured film having high water repellency and high oil repellency and high lyophilicity on a substrate without plasma treatment or UV ozone treatment. In particular, it is to form an image of a cured film that can prevent a situation where an ink droplet overflows to an adjacent pixel beyond a bank in manufacturing a substrate using inkjet.
- the present inventors have formed a cured film from a composition containing polysiloxane having an organic group having a fluorine atom and an organic group having a thermally crosslinkable group.
- the present inventors have found that even after UV ozone treatment, liquid repellency can be efficiently applied to the film surface, and high lyophilicity can be efficiently imparted to the substrate without plasma treatment or UV ozone treatment. .
- thermosetting photosensitive resin composition containing the following component (A), component (B), solvent (C) and component (D).
- A) Component Polysiloxane having the following groups (A1) and (A2) (A1) Organic group having fluorine atom (A2) Organic group having thermally crosslinkable group (B) Component: Alkali-soluble resin (C) solvent , (D) Component: Photosensitizer.
- 3. 3 The photosensitive resin composition according to 1 or 2 that satisfies at least one of the following (Z1) to (Z4).
- Composition. 12 The cured film obtained using the photosensitive resin composition as described in any one of said 1 thru
- the photosensitive resin composition of the present invention has high oil repellency on the cured film surface even after UV ozone treatment, and has high lyophilicity on the substrate without plasma treatment or UV ozone treatment. It is to form an image of the film.
- the photosensitive resin composition of this invention is a photosensitive resin composition containing the following (A) component, (B) component, (C) solvent, and (D) component.
- the photosensitive resin composition of the present invention preferably further satisfies at least one of the following (Z1) to (Z4).
- Z3 The component (D) is a photoradical generator, and further contains a compound having two or more ethylenic polymerizable groups as the component (F).
- the photosensitive resin composition of the present invention is preferably a positive photosensitive resin composition in which the component (D) is a quinonediazide compound.
- the polysiloxane (A) used in the present invention is a polysiloxane having the following groups (A1) and (A2).
- the organic group having a fluorine atom is an organic group bonded to a silicon atom of the polysiloxane main chain, and a part or all of the organic group is substituted with a fluorine atom.
- the organic group having a fluorine atom is not particularly limited as long as it has a fluorine atom as long as the effects of the present invention are not impaired.
- an alkyl group in which part or all of the hydrogen atoms are substituted with fluorine atoms, an alkyl group having an ether bond in which some or all of the hydrogen atoms are substituted with fluorine atoms, and the like are preferable.
- the number of fluorine atoms of the organic group is not particularly limited. More preferred is a perfluoroalkyl group, and still more preferred is an organic group represented by the formula (1). (K represents an integer of 0 to 12)
- organic group represented by the formula (1) examples include trifluoropropyl group, tridecafluorooctyl group, heptadecafluorodecyl group, 2,2,2-trifluoroethyl group, 2,2,3 , 3,3-pentafluoropropyl group, 2- (perfluorobutyl) ethyl group, 2- (perfluorohexyl) ethyl group, 2- (perfluorooctyl) ethyl group, 2- (perfluorodecyl) ethyl group, Examples include 2- (perfluoro-3-methylbutyl) ethyl group, 2- (perfluoro-5-methylhexyl) ethyl group, 2- (perfluoro-7-methyloctyl) ethyl group, and the like.
- the organic group which has a fluorine atom which polysiloxane (A) has may be 1 type individual,
- the organic group having a fluorine atom of the polysiloxane (A) is 0.05% with respect to 1 mol of all silicon atoms of the polysiloxane (A) from the viewpoint of providing both liquid repellency and film hardness and solvent resistance. Is preferably 0.5 mol, more preferably 0.1 mol to 0.4 mol.
- the heat-crosslinkable group in the organic group having a heat-crosslinkable group is not particularly limited as long as it is a group that forms a covalent bond by heating.
- a vinyl group, an epoxy group, an amino group, a mercapto group, a block An isocyanate group or an isocyanate group is mentioned.
- examples of the organic group having an epoxy group include a glycidyloxy group and a 3,4-epoxycyclohexylmethyl group.
- the organic group having a thermally crosslinkable group of the polysiloxane (A) is 0 with respect to 1 mol of all silicon atoms of the polysiloxane (A) from the viewpoint of providing both liquid repellency and film hardness and solvent resistance. .2 to 0.95 mol is preferable, and 0.3 to 0.8 mol is more preferable.
- the polysiloxane (A) of the present invention is (A1) not an organic group having a fluorine atom, but (A2) an organic group having no thermally crosslinkable group, and other organic groups are silicon atoms in the polysiloxane main chain. May be bonded to.
- the other organic group is an organic group having 1 to 20 carbon atoms, preferably 1 to 10 carbon atoms, having no fluorine atom.
- Examples of such an organic group having no fluorine atom include a saturated hydrocarbon group having a linear or branched structure; an aromatic group having a benzene ring; an organic group having an amino group, a ureido group or a vinyl group; Or the organic group etc. which have an ether bond and an ester bond are mentioned.
- Specific examples thereof include, for example, methyl group, ethyl group, propyl group, butyl group, pentyl group, heptyl group, octyl group, dodecyl group, hexadecyl group, octadecyl group, cyclohexyl group, phenyl group, vinyl group, ⁇ -Aminopropyl group, ⁇ -methacryloxypropyl group and the like.
- the amount of the organic group having no fluorine atom in the polysiloxane (A) is not particularly limited as long as the effect of the present invention is not impaired, but it is 1 mol of all the silicon atoms in the polysiloxane (A).
- the amount is preferably 0.01 to 0.75 mol. In such a range, a coating film having an organic solvent contact angle of 50 degrees or more is easily obtained, and a homogeneous polysiloxane (A) solution is easily obtained.
- the polysiloxane as the component (A) has a number average molecular weight in the range of 1,000 to 100,000. When the number average molecular weight exceeds 100,000, the handling property may be deteriorated, and when the number average molecular weight is less than 1,000, the film of the exposed portion is developed. A considerable amount of reduction may occur, resulting in insufficient liquid repellency.
- a method for obtaining such a polysiloxane (A) is not particularly limited, but an alkoxysilane represented by the following formula (2), an alkoxysilane having an epoxy group, and an alkoxysilane having another organic group as desired.
- Polysiloxanes obtained by polycondensation are preferred. (Wherein R 1 is an organic group having a fluorine atom, R 2 and R 3 each independently represents a hydrocarbon group having 1 to 5 carbon atoms, and m represents 0 or 1).
- R 1 in the formula (2) represents the above-described organic group having a fluorine atom.
- R 2 and R 3 each independently represent a hydrocarbon group having 1 to 5 carbon atoms, and a saturated hydrocarbon group is particularly preferable.
- lower alkyl groups such as a methyl group, an ethyl group, a propyl group, and a butyl group are preferable because they are easily available as commercial products.
- R 2 and R 3 may be the same or different from each other.
- an alkoxysilane in which R 1 is an organic group represented by the formula (1) is preferable.
- K represents an integer of 0 to 12
- alkoxysilane in which R 1 is an organic group represented by the formula (1) include trifluoropropyltrimethoxysilane, trifluoropropyltriethoxysilane, tridecafluorooctyltrimethoxysilane, and trideca.
- Examples include fluorooctyltriethoxysilane, heptadecafluorodecyltrimethoxysilane, heptadecafluorodecyltriethoxysilane, and 2- (perfluorohexyl) ethyltrimethoxysilane.
- At least one of the alkoxysilanes represented by the formula (2) may be used, but a plurality of types may be used as necessary.
- the alkoxysilane having an organic group having a thermally crosslinkable group is an alkoxysilane represented by the following formula (3). (Wherein R 4 is an organic group having a thermally crosslinkable group, R 5 and R 6 each independently represent a hydrocarbon group having 1 to 5 carbon atoms, and n represents 0 or 1)
- R 4 is an organic group having 2 to 12 carbon atoms having a vinyl group, an epoxy group, an amino group, a mercapto group, a blocked isocyanate group, an isocyanate group, a methacryl group, an acrylic group or a ureido group.
- an organic group having 2 to 12 carbon atoms having a vinyl group, an epoxy group, an amino group, a methacryl group, an acrylic group or a ureido group is preferable from the viewpoint of availability. More preferably, it is an organic group having 2 to 12 carbon atoms having an epoxy group, a methacryl group, an acrylic group or a ureido group. More specifically, an organic group having 2 to 12 carbon atoms having a glycidoxy group or a 3,4-epoxycyclohexylmethyl group is preferable.
- R 5 and R 6 are each independently a hydrogen atom or an alkyl group having 1 to 5 carbon atoms. Of these, a hydrogen atom or an alkyl group having 1 to 3 carbon atoms is preferable.
- Specific examples of the specific alkoxysilane represented by the formula (3) include allyltriethoxysilane, allyltrimethoxysilane, diethoxymethylvinylsilane, dimethoxymethylvinylsilane, triethoxyvinylsilane, vinyltrimethoxysilane, vinyltris (2-methoxyethoxy).
- alkoxysilane which has an organic group which has a heat crosslinkable group.
- alkoxysilane having another organic group examples include alkoxysilanes represented by the formula (4).
- R 7 is a hydrogen atom or an organic group having 1 to 20 carbon atoms having no fluorine atom
- R 8 is a hydrocarbon group having 1 to 5 carbon atoms
- p is 0, 1 or 2; Represents.
- R 8 represents a hydrocarbon group, but a saturated hydrocarbon group having 1 to 5 carbon atoms is preferable because the reactivity is higher when the number of carbon atoms is smaller. More preferred are a methyl group, an ethyl group, a propyl group, and a butyl group.
- the alkoxysilane represented by Formula (4) represents tetraalkoxysilane. Specific examples thereof include tetramethoxysilane, tetraethoxysilane, tetrapropoxysilane, tetrabutoxysilane and the like, and are easily available as commercial products.
- the alkoxysilane represented by the formula (4) has R 7 having 1 to 20 carbon atoms, preferably 1 to 10 carbon atoms not having a hydrogen atom or a fluorine atom
- R 7 may be the same or different.
- Examples of the organic group having 1 to 20 carbon atoms not having a fluorine atom include a saturated hydrocarbon group having a linear or branched structure, an aromatic group having a benzene ring, an amino group, a ureido group, or a vinyl group. Or an organic group having an ether bond or an ester bond.
- R 8 in the formula (4) is a hydrocarbon group having 1 to 5 carbon atoms. when p is 1 or 2, but is generally preferred if R 8 are the same, in the present invention, R 8 may be the same or different. Specific examples of alkoxysilane in the case where p is an integer of 1 to 3 in formula (4) are shown below.
- the polysiloxane (A) used in the present invention preferably contains 5 to 50 mol% of the alkoxysilane represented by the formula (2) in the total alkoxysilane, and the alkoxysilane represented by the formula (3) The content is preferably 10 to 95 mol%, and the remainder is obtained by polycondensation of the alkoxysilane represented by the above formula (4).
- the content of the alkoxysilane represented by the formula (2) is more preferably 10 to 40 mol%.
- the amount of the alkoxysilane represented by the formula (3) is preferably 30 to 80 mol% in the total alkoxysilane.
- the amount thereof is preferably 5 to 60 mol% in the total alkoxysilane.
- an alkoxysilane represented by the formula (2) for example, an alkoxysilane represented by the formula (2), an alkoxysilane represented by the formula (3), and an alkoxy represented by the formula (4) as necessary.
- Examples thereof include a method in which silane and an organic solvent are heated and polycondensed in the presence of an aqueous tetraethylammonium hydroxide solution. More specifically, after adding a tetraethylammonium hydroxide aqueous solution to an organic solvent in advance to obtain a solution of the tetraethylammonium hydroxide aqueous solution, the above-mentioned various alkoxysilanes are mixed while the solution is heated.
- the amount of the tetraethylammonium hydroxide aqueous solution is preferably 0.01 to 0.2 mol with respect to 1 mol of the total alkoxy group amount of the alkoxysilane used.
- the heating can be performed at a liquid temperature of preferably 0 to 100 ° C., and preferably several tens of minutes under reflux in a container equipped with a reflux tube so that the liquid does not evaporate or volatilize. It is done for more than 10 hours.
- the concentration of all the silicon atoms in the charged alkoxysilane converted to oxide (hereinafter referred to as SiO 2 conversion concentration) is 40% by mass or less, particularly preferably 10 to 30% by mass. % Heating is preferable.
- An organic solvent (hereinafter also referred to as a polymerization solvent) used for polycondensation of the alkoxysilane is an alkoxysilane represented by the formula (2), an alkoxysilane represented by the formula (3), and as necessary.
- a solvent (C) is preferable.
- generates by the polycondensation reaction of alkoxysilane the organic solvent favorable with alcohol and alcohol compatibility is used.
- the polymerization solvent examples include alcohols such as methanol, ethanol, propanol and n-butanol, glycol ethers such as ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, diethylene glycol monomethyl ether and diethylene glycol monoethyl ether, and tetrahydrofuran.
- examples include ether.
- a plurality of the above organic solvents may be mixed and used.
- the solution of the specific polysiloxane obtained by the above method may be used as it is for the photosensitive resin composition of the present invention, and if necessary, the solution of the specific polysiloxane obtained by the above method may be used. It can be concentrated, diluted by adding a solvent, or substituted with another solvent.
- the solvent used for dilution by adding the solvent may be a solvent used for a polycondensation reaction or other solvents.
- the additive solvent is not particularly limited as long as the specific polysiloxane is uniformly dissolved, and one or more kinds can be arbitrarily selected and used.
- the additive solvent include ketone solvents such as acetone, methyl ethyl ketone, and methyl isobutyl ketone, ester solvents such as methyl acetate, ethyl acetate, and ethyl lactate, in addition to the solvent used in the polycondensation reaction.
- the alcohol is preferably distilled off at normal pressure or reduced pressure.
- the component (B) of the present invention is a resin having an alkali-soluble group.
- the alkali-soluble group include a phenolic hydroxy group, a carboxyl group, an acid anhydride group, an imide group, a sulfonyl group, phosphoric acid, a boronic acid, an active methylene group, and an active methine group.
- the active methylene group refers to a methylene group (—CH 2 —) having a carbonyl group at an adjacent position and having reactivity with a nucleophile.
- the active methine group has a structure in which one hydrogen atom of the methylene group is substituted with an alkyl group in the active methylene group and has reactivity with a nucleophile.
- a group represented by the following formula (b1) is more preferable.
- R represents an alkyl group, an alkoxy group or a phenyl group, and a broken line represents a bond.
- examples of the alkyl group represented by R include an alkyl group having 1 to 20 carbon atoms, and an alkyl group having 1 to 5 carbon atoms is preferable.
- examples of such an alkyl group include a methyl group, an ethyl group, an n-propyl group, and an i-propyl group. Of these, a methyl group, an ethyl group, an n-propyl group, and the like are preferable.
- examples of the alkoxy group represented by R include an alkoxy group having 1 to 20 carbon atoms, and an alkoxy group having 1 to 5 carbon atoms is preferable.
- examples of such an alkoxy group include a methoxy group, an ethoxy group, an n-propoxy group, an i-propoxy group, an n-butoxy group, an i-butoxy group, an s-butoxy group, and a t-butoxy group. Of these, a methoxy group, an ethoxy group, an n-propoxy group, and the like are preferable.
- Examples of the group represented by the above formula (b1) include the following structures.
- the broken line represents a bond.
- an alkali-soluble resin having at least one organic group selected from the group consisting of a phenolic hydroxy group and a carboxyl group, and having a number average molecular weight of 2,000 to 50,000 Preferably there is.
- the alkali-soluble resin as the component (B) may be any alkali-soluble resin having such a structure, and is not particularly limited with respect to the main chain skeleton and side chain type of the polymer constituting the resin.
- the alkali-soluble resin (B) has a number average molecular weight in the range of 2,000 to 50,000. If the number average molecular weight exceeds 50,000, the development residue is likely to be generated, and the sensitivity is greatly reduced. On the other hand, if the number average molecular weight is less than 2,000, the development is insufficient. At this time, there is a case where a considerable amount of film loss occurs in the exposed portion, resulting in insufficient curing.
- alkali-soluble resin (B) examples include acrylic resins, polyhydroxystyrene resins, polyimide precursors, and polyimides.
- an alkali-soluble resin composed of a copolymer obtained by polymerizing plural kinds of monomers (hereinafter referred to as a specific copolymer) can also be used as the component (B).
- the alkali-soluble resin as the component (B) may be a blend of a plurality of types of specific copolymers.
- the specific copolymer is a monomer that exhibits alkali solubility, that is, a monomer having at least one selected from the group consisting of a carboxyl group and a phenolic hydroxy group, and a group of monomers copolymerizable with these monomers. It is a copolymer formed with at least one selected monomer as an essential constituent unit, and has a number average molecular weight of 2,000 to 50,000. If the number average molecular weight is more than 50,000, a residue may be generated.
- the above “monomer having at least one selected from the group consisting of a carboxyl group and a phenolic hydroxy group” includes a monomer having a carboxyl group and a monomer having a phenolic hydroxy group. These monomers are not limited to those having one carboxyl group or one phenolic hydroxy group, and may have a plurality of monomers.
- the monomer having a carboxyl group examples include acrylic acid, methacrylic acid, crotonic acid, mono- (2- (acryloyloxy) ethyl) phthalate, mono- (2- (methacryloyloxy) ethyl) phthalate, and N- (carboxyphenyl).
- Maleimide N- (carboxyphenyl) methacrylamide, N- (carboxyphenyl) acrylamide and the like.
- Examples of the monomer having a phenolic hydroxy group include hydroxystyrene, N- (hydroxyphenyl) acrylamide, N- (hydroxyphenyl) methacrylamide, N- (hydroxyphenyl) maleimide, 4-hydroxyphenyl methacrylate and the like.
- Examples of the monomer having an imide group include maleimide.
- the ratio of the unsaturated carboxylic acid derivative and / or the monomer having a phenolic hydroxyl group and a polymerizable unsaturated group in the production of the (B) component alkali-soluble acrylic polymer is the same as that in the production of the (B) component alkali-soluble acrylic polymer.
- it is preferably 10 to 90 mol%, more preferably 5 to 60 mol%, and most preferably 5 to 30 mol%.
- the unsaturated carboxylic acid and / or phenolic hydroxy group derivative is less than 10% by weight, the alkali solubility of the polymer is insufficient.
- the alkali-soluble resin which is the component (B) of the present invention may be further copolymerized with a monomer having a hydroxyalkyl group and a polymerizable unsaturated group from the viewpoint of further stabilizing the pattern shape after curing.
- Examples of the monomer having a hydroxyalkyl group and a polymerizable unsaturated group include 2-hydroxyethyl acrylate, 2-hydroxypropyl acrylate, 4-hydroxybutyl acrylate, 2,3-dihydroxypropyl acrylate, 2-hydroxyethyl methacrylate, Examples thereof include 2-hydroxypropyl methacrylate, 4-hydroxybutyl methacrylate, 2,3-dihydroxypropyl methacrylate, glycerol monomethacrylate, 5-acryloyloxy-6-hydroxynorbornene-2-carboxyl-6-lactone and the like.
- the ratio of the monomer having a hydroxyalkyl group and a polymerizable unsaturated group in the production of the alkali-soluble acrylic polymer as component (B) is preferably 10 to 60% by weight, more preferably 15 to 50% by weight, and most preferably Is 20 to 40% by weight.
- the monomer having a hydroxyalkyl group and a polymerizable unsaturated group is less than 10% by weight, the effect of stabilizing the pattern shape of the copolymer may not be obtained.
- the amount is 60% by weight or more, the alkali-soluble group of the component (B) may be insufficient, and characteristics such as developability may be deteriorated.
- the alkali-soluble resin which is the component (B) of the present invention may be further copolymerized with an N-substituted maleimide compound from the viewpoint of increasing the Tg of the copolymer.
- N-substituted maleimide compound maleimide compound examples include N-methylmaleimide, N-ethylmaleimide, N-phenylmaleimide, and N-cyclohexylmaleimide.
- the thing which does not have an aromatic ring from a transparency viewpoint is preferable, and what has an alicyclic skeleton from the point of developability, transparency, and heat resistance is more preferable, and a cyclohexyl maleimide is the most preferable especially.
- the ratio of N-substituted maleimide in the production of the alkali-soluble acrylic polymer of component (B) is preferably 10 to 60% by weight, more preferably 15 to 50% by weight, and most preferably 20 to 40% by weight.
- the N-substituted maleimide is less than 10% by weight, the Tg of the copolymer is lowered and the heat resistance may be inferior. If it is 60% by weight or more, the transparency may be lowered.
- the alkali-soluble resin (B) used in the present invention further has a self-crosslinkable group, or a hydroxy group, a carboxyl group, an amide group, and A copolymer further having a group that reacts with at least one group selected from the group consisting of amino groups (hereinafter also referred to as a crosslinkable group) is preferable.
- Examples of the self-crosslinking group include an N-alkoxymethyl group, an N-hydroxymethyl group, an alkoxysilyl group, an epoxy group, an oxetane group, a vinyl group, and a blocked isocyanate group.
- crosslinkable group examples include an N-alkoxymethyl group, an N-hydroxymethyl group, an alkoxysilyl group, an epoxy group, a vinyl group, and a blocked isocyanate group.
- the content is 0.1 to 0.9 per repeating unit in the resin of the component (B).
- 0.1 to 0.8 is more preferable.
- the alkali-soluble resin of component (B) is further composed of an N-alkoxymethyl group, an N-hydroxymethyl group, an alkoxysilyl group, an epoxy group, an oxetane group, a vinyl group, a blocked isocyanate group, and an N-alkoxymethyl group.
- Examples of unsaturated compounds having radical polymerizability and having an N-alkoxymethyl group include N-butoxymethylacrylamide, N-isobutoxymethylacrylamide, N-methoxymethylacrylamide, N-methoxymethylmethacrylamide, and N-methylolacrylamide. Etc.
- Examples of the monomer having radical polymerizability and further having a hydroxymethylamide group include N-hydroxymethylacrylamide and N-hydroxymethylmethacrylamide.
- Examples of the monomer having radical polymerizability and having an alkoxysilyl group include 3-acryloyloxytrimethoxysilane, 3-acryloyloxytriethoxysilane, 3-methacryloyloxytrimethoxysilane, and 3-methacryloyloxytriethoxysilane. Can be mentioned.
- Examples of unsaturated compounds having radical polymerizability and further having an epoxy group include glycidyl acrylate, glycidyl methacrylate, glycidyl ⁇ -ethyl acrylate, glycidyl ⁇ -n-propyl acrylate, ⁇ -n-butyl acrylic acid.
- Glycidyl acrylic acid-3,4-epoxybutyl, methacrylic acid-3,4-epoxybutyl, acrylic acid-6,7-epoxyheptyl, methacrylic acid-6,7-epoxyheptyl, ⁇ -ethylacrylic acid-6
- examples thereof include 7-epoxyheptyl, o-vinylbenzyl glycidyl ether, m-vinylbenzyl glycidyl ether, p-vinylbenzyl glycidyl ether and the like.
- glycidyl methacrylate -6,7-epoxyheptyl methacrylate
- o-vinylbenzyl glycidyl ether o-vinylbenzyl glycidyl ether
- m-vinylbenzyl glycidyl ether p-vinylbenzyl glycidyl ether
- 3,4-epoxycyclohexyl methacrylate etc.
- these may be used alone or in combination.
- Examples of the unsaturated compound having radical polymerizability and further having an oxetane group include (meth) acrylic acid ester having an oxetane group.
- monomers 3- (methacryloyloxymethyl) oxetane, 3- (acryloyloxymethyl) oxetane, 3- (methacryloyloxymethyl) -3-ethyl-oxetane, 3- (acryloyloxymethyl) -3- Ethyl-oxetane, 3- (methacryloyloxymethyl) -2-trifluoromethyloxetane, 3- (acryloyloxymethyl) -2-trifluoromethyloxetane, 3- (methacryloyloxymethyl) -2-phenyl-oxetane, 3- (Acryloyloxymethyl) -2-phenyl-oxetane, 2- (methacryloyloxymethyl) oxetane
- Examples of the monomer having radical polymerizability and further having a vinyl group include 2- (2-vinyloxyethoxy) ethyl acrylate and 2- (2-vinyloxyethoxy) ethyl methacrylate.
- the photosensitive resin composition of the present invention satisfies (Z1), it has radical polymerizability and has an N-alkoxymethyl group, an N-hydroxymethyl group, an alkoxysilyl group, an epoxy group, an oxetane group, a vinyl group, and a block.
- a non-crosslinking group such as an isocyanate group and at least one group selected from a self-crosslinking group such as an N-alkoxymethyl group, an N-hydroxymethyl group, an alkoxysilyl group, an epoxy group, a vinyl group, and a blocked isocyanate group;
- the constituent unit derived from the saturated compound is preferably contained in an amount of 10 to 70% by weight, particularly preferably 20 to 60% by weight, based on the total of all repeating units of the alkali-soluble resin (B).
- this structural unit is less than 10% by weight, the heat resistance and surface hardness of the resulting cured film tend to decrease, while when the amount of this structural unit exceeds 70% by weight, the radiation-sensitive resin composition is stored. The stability tends to decrease.
- the acrylic polymer of component (B) may be a copolymer formed with monomers other than the above-described monomers (hereinafter referred to as other monomers) as constituent units.
- the other monomer may be any one that can be copolymerized with at least one selected from the group consisting of the above-mentioned monomer having a carboxyl group and a monomer having a phenolic hydroxy group.
- monomers include acrylic ester compounds, methacrylic ester compounds, acrylamide compounds, acrylonitrile, styrene compounds and vinyl compounds.
- the specific example of the said other monomer is given, it is not limited to these.
- acrylic ester compound examples include methyl acrylate, ethyl acrylate, isopropyl acrylate, benzyl acrylate, naphthyl acrylate, anthryl acrylate, anthryl methyl acrylate, phenyl acrylate, glycidyl acrylate, phenoxyethyl acrylate, 2,2,2- Trifluoroethyl acrylate, tert-butyl acrylate, cyclohexyl acrylate, isobornyl acrylate, 2-methoxyethyl acrylate, methoxytriethylene glycol acrylate, 2-ethoxyethyl acrylate, 2-aminoethyl acrylate, tetrahydrofurfuryl acrylate, 3-methoxy Butyl acrylate, 2-methyl-2-adamantyl acrylate, 2 Propyl-2-adamantyl acrylate, 8-methyl-8-tricyclodecyl acrylate,
- methacrylic acid ester compound examples include methyl methacrylate, ethyl methacrylate, isopropyl methacrylate, benzyl methacrylate, naphthyl methacrylate, anthryl methacrylate, anthryl methyl methacrylate, phenyl methacrylate, glycidyl methacrylate, phenoxyethyl methacrylate, 2,2,2- Trifluoroethyl methacrylate, tert-butyl methacrylate, cyclohexyl methacrylate, isobornyl methacrylate, 2-methoxyethyl methacrylate, methoxytriethylene glycol methacrylate, 2-ethoxyethyl methacrylate, 2-aminomethyl methacrylate, tetrahydrofurfuryl methacrylate, 3-methoxy Butyl methacrylate, 2 Methyl-2-adamantyl methacrylate, ⁇ -butyl
- acrylamide compound examples include N-methylacrylamide, N-methylmethacrylamide, N, N-dimethylacrylamide, N, N-dimethylmethacrylamide, N-methoxymethylacrylamide, N-methoxymethylmethacrylamide, N-butoxy.
- methyl acrylamide and N-butoxymethyl methacrylamide examples include methyl acrylamide and N-butoxymethyl methacrylamide.
- vinyl compound examples include methyl vinyl ether, benzyl vinyl ether, cyclohexyl vinyl ether, vinyl naphthalene, vinyl anthracene, vinyl carbazole, allyl glycidyl ether, 3-ethenyl-7-oxabicyclo [4.1.0] heptane, 1,2 -Epoxy-5-hexene, 1,7-octadiene monoepoxide and the like.
- styrene compound examples include styrene having no hydroxy group, such as styrene, ⁇ -methylstyrene, chlorostyrene, and bromostyrene.
- the ratio of the other monomers is preferably 80% by weight or less, more preferably 50% by weight or less, and further preferably 20% by weight or less. . If the amount exceeds 80% by weight, the essential components are relatively reduced, so that it is difficult to sufficiently obtain the effects of the present invention.
- the method for obtaining the alkali-soluble acrylic polymer (B) used in the present invention is not particularly limited.
- a carboxyl group, a phenolic hydroxy group, and a carboxylic acid or a phenolic hydroxy group by the action of heat or acid is not particularly limited.
- Monomer, other copolymerization if desired It can be obtained by carrying out a polymerization reaction at a temperature of 50 to 110 ° C.
- the solvent used will not be specifically limited if it dissolves the monomer which comprises an alkali-soluble acrylic polymer, and the acrylic polymer which has a specific functional group.
- the solvent described in the (C) solvent mentioned later is mentioned.
- the acrylic polymer having a specific functional group thus obtained is usually in a solution state dissolved in a solvent.
- the solution of the specific copolymer obtained as described above is re-precipitated by stirring with stirring such as diethyl ether or water, and the generated precipitate is filtered and washed, and then under normal pressure or reduced pressure.
- the powder of the specific copolymer can be obtained by drying at room temperature or by heating. By such an operation, the polymerization initiator and unreacted monomer coexisting with the specific copolymer can be removed, and as a result, a purified powder of the specific copolymer can be obtained. If sufficient purification cannot be achieved by a single operation, the obtained powder may be redissolved in a solvent and the above operation may be repeated.
- the powder of the specific copolymer may be used as it is, or the powder may be redissolved in a solvent (C) described later and used as a solution.
- polyimide precursors such as polyamic acid, polyamic acid ester, partially imidized polyamic acid, and polyimide such as carboxylic acid group-containing polyimide can be used. If it is soluble, the kind can be used without particular limitation.
- the polyamic acid which is a polyimide precursor, can generally be obtained by polycondensation of (a) a tetracarboxylic dianhydride compound and (b) a diamine compound.
- the (a) tetracarboxylic dianhydride compound is not particularly limited, and specific examples thereof include pyromellitic dianhydride, 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride, 3,3 ′.
- Aromatic tetracarboxylic acid such as 1,2,3,4-cyclobutanetetracarboxylic dianhydride, 1,2-dimethyl-1,2,3,4-cyclobutanetetracarboxylic dianhydride, 1,2, 3,4-tetramethyl-1,2,3,4-cyclobutanetetracarboxylic dianhydride, 1,2,3,4-cyclopentanetetracarboxylic dianhydride, 1,2,3,4-cyclohexanetetra Carbo Alicyclic tetracarboxylic dianhydrides such as acid dianhydrides, 3,4-dicarboxy-1,2,3,4-tetrahydro-1-naphthal
- the diamine compound (b) is not particularly limited, and examples thereof include 2,4-diaminobenzoic acid, 2,5-diaminobenzoic acid, 3,5-diaminobenzoic acid, 4,6-diamino-1 , 3-benzenedicarboxylic acid, 2,5-diamino-1,4-benzenedicarboxylic acid, bis (4-amino-3-carboxyphenyl) ether, bis (4-amino-3,5-dicarboxyphenyl) ether, Bis (4-amino-3-carboxyphenyl) sulfone, bis (4-amino-3,5-dicarboxyphenyl) sulfone, 4,4′-diamino-3,3′-dicarboxybiphenyl, 4,4′- Diamino-3,3′-dicarboxy-5,5′-dimethylbiphenyl, 4,4′-diamino-3,3′-dicarboxy-5,
- Diamine compound 1,3-diamino-4-mercaptobenzene, 1,3-diamino-5-mercaptobenzene 1,4-diamino-2-mercaptobenzene, bis (4-amino-3-mercaptophenyl) ether, 2,2-bis (3-amino-4-mercaptophenyl) hexafluoropropane and the like having a thiophenol group
- Diamine compounds 1,3-diaminobenzene-4-sulfonic acid, 1,3-diaminobenzene-5-sulfonic acid, 1,4-diaminobenzene-2-sulfonic acid, bis (4-aminobenzene-3-sulfonic acid) ) Ether, 4,4′-diaminobiphenyl-3,3′-disulfonic acid, 4,4′-diamino-3,3′-dimethylbiphenyl-6,6′-disulfonic acid and the like di
- the compounding ratio of both compounds that is, (b) the total number of moles of the diamine compound / (a)
- the total number of moles of the tetracarboxylic dianhydride compound is preferably 0.7 to 1.2.
- a carboxylic anhydride when it superposes
- carboxylic anhydrides include phthalic anhydride, trimellitic anhydride, maleic anhydride, naphthalic anhydride, hydrogenated phthalic anhydride, methyl-5-norbornene-2,3-dicarboxylic acid There may be mentioned anhydrides, itaconic anhydride, tetrahydrophthalic anhydride and the like.
- the reaction temperature of the reaction between the diamine compound and the tetracarboxylic dianhydride compound can be selected from -20 to 150 ° C, preferably -5 to 100 ° C.
- the reaction temperature is appropriately selected within the range of 5 to 40 ° C. and the reaction time of 1 to 48 hours.
- the reaction temperature for protecting the terminal amino group with an acid anhydride can be selected from -20 to 150 ° C, preferably -5 to 100 ° C.
- the reaction of the diamine compound and the tetracarboxylic dianhydride compound can be performed in a solvent.
- Solvents that can be used in this case include N, N-dimethylformamide, N, N-dimethylacetamide, N-methylpyrrolidone, N-vinylpyrrolidone, N-methylcaprolactam, dimethylsulfoxide, tetramethylurea, pyridine, dimethylsulfone, Hexamethyl sulfoxide, m-cresol, ⁇ -butyrolactone, ethyl acetate, butyl acetate, ethyl lactate, methyl 3-methoxypropionate, methyl 2-methoxypropionate, ethyl 3-methoxypropionate, ethyl 2-methoxypropionate, 3 -Ethyl ethoxypropionate, ethyl 2-ethoxypropionate, ethylene glycol dimethyl ether, diethylene glycol
- the solution containing the polyamic acid thus obtained can be used as it is for the preparation of a negative photosensitive resin composition. Further, the polyamic acid may be precipitated and isolated in a poor solvent such as water, methanol, ethanol, etc. and recovered for use.
- a poor solvent such as water, methanol, ethanol, etc.
- any polyimide can be used as the component (B).
- the polyimide used in the present invention is obtained by chemically or thermally imidizing 50% or more of a polyimide precursor such as polyamic acid.
- the polyimide used in the photosensitive resin composition of the present invention preferably has a group selected from a carboxyl group and a phenolic hydroxy group in order to impart alkali solubility.
- the method of introducing a carboxyl group or a phenolic hydroxy group into polyimide is a method using a monomer having a carboxyl group or a phenolic hydroxy group, a method of sealing an amine terminal with an acid anhydride having a carboxyl group or a phenolic hydroxy group, Alternatively, a method of setting the imidization rate to 99% or less when imidizing a polyimide precursor such as polyamide acid is used.
- Such a polyimide can be obtained by synthesizing a polyimide precursor such as the above-mentioned polyamic acid and then performing chemical imidization or thermal imidization.
- a method of chemical imidization generally, a method of adding excess acetic anhydride and pyridine to a polyimide precursor solution and reacting at room temperature to 100 ° C. is used.
- a method for thermal imidization generally, a method in which a polyimide precursor solution is heated while being dehydrated at a temperature of 180 ° C. to 250 ° C. is used.
- a phenol novolac resin can be further used as the alkali-soluble resin of component (B).
- polyester polycarboxylic acid can also be used as the alkali-soluble resin of component (B).
- the polyester polycarboxylic acid can be obtained from an acid dianhydride and a diol by the method described in WO2009 / 051186.
- the acid dianhydride include the above (a) tetracarboxylic dianhydride.
- the diol include bisphenol A, bisphenol F, 4,4′-dihydroxybiphenyl, aromatic diols such as benzene-1,3-dimethanol, benzene-1,4-dimethanol, hydrogenated bisphenol A, and hydrogenated bisphenol F.
- 1,4-cyclohexanediol 1,3-cyclohexanedimethanol, 1,4-cyclohexanedimethanol, and other alicyclic diols, and ethylene glycol, propylene glycol, 1,4-butanediol, 1,6-hexanediol And the like, and the like.
- the alkali-soluble resin (B) may be a mixture of a plurality of types of alkali-soluble resins.
- the ratio of the component (A) to the component (B) is 0.1 to 20 parts by mass of the component (A) with respect to 100 parts by mass of the component (B).
- the (C) solvent used in the present invention dissolves the component (A), the component (B), and the component (D), the component (E), the component (F), and the component (G) described below, if necessary. And if it dissolves the below-mentioned (H) component added by necessity, other additives, etc., if it is a solvent which has such a solubility, the kind, structure, etc. will not be specifically limited.
- Examples of such a solvent (C) include ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, methyl cellosolve acetate, ethyl cellosolve acetate, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, propylene glycol, propylene glycol monomethyl ether, propylene glycol.
- solvents can be used singly or in combination of two or more.
- (C) solvents propylene glycol monomethyl ether, propylene glycol monomethyl ether acetate, 2-heptanone, propylene glycol propyl ether, propylene glycol propyl ether acetate, ethyl lactate, butyl lactate, etc. have good coating properties and safety Is preferable from the viewpoint of high.
- These solvents are generally used as solvents for photoresist materials.
- ⁇ (D) component examples include (D-1) 1,2-quinonediazide compounds, (D-2) photoradical generators, and (D-3) photoacid generators.
- the 1,2-quinonediazide compound is a compound having either a hydroxyl group or an amino group, both a hydroxyl group and an amino group, and these hydroxyl groups or amino groups (both hydroxyl groups and amino groups).
- the total amount thereof preferably 10 to 100 mol%, particularly preferably 20 to 95 mol% is a compound esterified or amidated with 1,2-quinonediazidesulfonic acid. Can do.
- Examples of the compound having a hydroxyl group include phenol, o-cresol, m-cresol, p-cresol, hydroquinone, resorcinol, catechol, methyl gallate, ethyl gallate, 1,3,3-tris (4-hydroxyphenyl).
- Examples of the compound containing an amino group include aniline, o-toluidine, m-toluidine, p-toluidine, 4-aminodiphenylmethane, 4-aminodiphenyl, o-phenylenediamine, m-phenylenediamine, and p-phenylenediamine.
- Anilines such as 4,4′-diaminophenylmethane and 4,4′-diaminodiphenyl ether, and aminocyclohexane.
- examples of the compound containing both a hydroxyl group and an amino group include o-aminophenol, m-aminophenol, p-aminophenol, 4-aminoresorcinol, 2,3-diaminophenol, 2,4-diaminophenol, 4,4′-diamino-4 ′′ -hydroxytriphenylmethane, 4-amino-4 ′, 4 ′′ -dihydroxytriphenylmethane, bis (4-amino-3-carboxy-5-hydroxyphenyl) ether, bis (4-amino-3-carboxy-5-hydroxyphenyl) methane, 2,2-bis (4-amino-3-carboxy-5-hydroxyphenyl) propane, 2,2-bis (4-amino-3-carboxy) Aminophenols such as -5-hydroxyphenyl) hexafluoropropane, 2-aminoethane Lumpur, 3-aminopropanol, mention may be made of alkanolamines,
- 1,2-quinonediazide compounds can be used alone or in combination of two or more.
- the content when the compound having a quinonediazide group as the component (D-1) is included is as follows.
- the total amount is preferably 5 to 100 parts by mass, more preferably 8 to 50 parts by mass, and still more preferably 10 to 40 parts by mass.
- the amount is less than 5 parts by mass, the difference in dissolution rate between the exposed portion and the unexposed portion of the positive photosensitive resin composition in the developer becomes small, and patterning by development may be difficult.
- the amount exceeds 100 parts by mass the 1,2-quinonediazide compound is not sufficiently decomposed by exposure in a short time and sensitivity is lowered, or the component (D-1) absorbs light and the cured film Transparency may be reduced.
- the photoradical generator is not particularly limited as long as it generates radicals upon exposure.
- Specific examples include aromatic ketones such as benzophenone, Michler ketone, 4,4′-bisdiethylaminobenzophenone, 4-methoxy-4′-dimethylaminobenzophenone, 2-ethylanthraquinone, phenanthrene, benzoin methyl ether, benzoin ethyl ether, Benzoin ethers such as benzoinphenyl ether, benzoin such as methylbenzoin and ethylbenzoin, 2- (o-chlorophenyl) -4,5-phenylimidazole dimer, 2- (o-chlorophenyl) -4,5-di ( m-methoxyphenyl) imidazole dimer, 2- (o-fluorophenyl) -4,5-diphenylimidazole dimer, 2- (o-methoxyphenyl) -4,5-dipheny
- the above photopolymerization initiator can be easily obtained as a commercial product. Specific examples thereof include IRGACURE 173, IRGACURE 500, IRGACURE 2959, IRGACURE 754, IRGACURE 907, IRGACURE 369, IRGACURE 1300, IRGACURE 819, IRGACURE 819DW, IRGACURE 1880, IRGACURE 1870, DAROCURE TPO, DAROCURE 4265, IRGACURE 784, IRGACURE OXE01, IRGACURE OXE02, IRGACURE 250 (above, manufactured by BASF), KATURE Above, Japan Manufactured by Yakuhin Co., Ltd.), TAZ-101, TAZ-102, TAZ-103, TAZ-104, TAZ-106, TAZ-107, TAZ-108, TAZ-110, TAZ-113, TAZ-114, TAZ-118 , TAZ-122, TAZ-123, TAZ-140, TAZ-204 (manufactured by
- the content when the component (D-2) is contained in the photosensitive resin composition of the present invention is preferably 0.1 to 30 parts by mass, more preferably 100 parts by mass of the component (A). Is 0.5 to 20 parts by mass, particularly preferably 1 to 15 parts by mass. If this ratio is too small, the exposed portion may be insufficiently cured, and pattern formation may not be possible, or even if it is possible, a film with low reliability may be formed. Moreover, when this ratio is excessive, the transmittance
- the photoacid generator (D-3) is not particularly limited as long as it is a compound that generates an acid by photolysis when irradiated with ultraviolet rays.
- acids generated when the photoacid generator is photolyzed include hydrochloric acid, methanesulfonic acid, ethanesulfonic acid, propanesulfonic acid, butanesulfonic acid, pentanesulfonic acid, octanesulfonic acid, benzenesulfonic acid, p- Toluenesulfonic acid, camphorsulfonic acid, trifluoromethanesulfonic acid, p-phenolsulfonic acid, 2-naphthalenesulfonic acid, mesitylenesulfonic acid, p-xylene-2-sulfonic acid, m-xylene-2-sulfonic acid, 4-ethylbenzene Sulfone such as sulfonic acid, 1H, 1H, 2H, 2H-
- the photoacid generator examples include diazomethane compounds, onium salt compounds, sulfonimide compounds, disulfone compounds, sulfonic acid derivative compounds, nitrobenzyl compounds, benzoin tosylate compounds, iron arene complexes, halogen-containing triazine compounds, and acetophenone derivative compounds. And cyano group-containing oxime sulfonate compounds.
- Any conventionally known or conventionally used photoacid generator can be applied in the present invention without any particular limitation.
- the photo-acid generator of (D) component may be used individually by 1 type, and may be used in combination of 2 or more type. Specific examples thereof include compounds represented by the following formulas [PAG-1] to [PAG-41].
- the content when the component (D-3) is contained in the photosensitive resin composition of the present embodiment is preferably 0.01 mass with respect to a total of 100 mass parts of the components (A) and (B). Part to 20 parts by weight, more preferably 0.1 part by weight to 10 parts by weight, still more preferably 0.5 part by weight to 8 parts by weight.
- the content of the component (D-3) is preferably 0.01 mass with respect to a total of 100 mass parts of the components (A) and (B).
- Part to 20 parts by weight more preferably 0.1 part by weight to 10 parts by weight, still more preferably 0.5 part by weight to 8 parts by weight.
- the component (E) is a crosslinking agent, and is introduced into the composition when the photosensitive resin composition of the present invention satisfies the requirement (Z1). More specifically, it is a compound having a structure capable of forming a bridge structure by a thermal reaction with a thermally reactive site (for example, carboxyl group and / or phenolic hydroxyl group) of component (B). Specific examples will be given below, but the present invention is not limited thereto.
- the thermal crosslinking agent include those selected from (E1) a crosslinkable compound having two or more substituents selected from an alkoxymethyl group and a hydroxymethyl group and (E2) a crosslinkable compound represented by formula (5). preferable. These crosslinking agents can be used alone or in combination of two or more.
- the crosslinkable compound having two or more substituents selected from the alkoxymethyl group and hydroxymethyl group as the component (E1) undergoes a crosslinking reaction by a dehydration condensation reaction when exposed to a high temperature during thermosetting.
- examples of such compounds include compounds such as alkoxymethylated glycoluril, alkoxymethylated benzoguanamine, and alkoxymethylated melamine, and phenoplast compounds.
- alkoxymethylated glycoluril examples include, for example, 1,3,4,6-tetrakis (methoxymethyl) glycoluril, 1,3,4,6-tetrakis (butoxymethyl) glycoluril, 1,3,4 , 6-tetrakis (hydroxymethyl) glycoluril, 1,3-bis (hydroxymethyl) urea, 1,1,3,3-tetrakis (butoxymethyl) urea, 1,1,3,3-tetrakis (methoxymethyl) Examples include urea, 1,3-bis (hydroxymethyl) -4,5-dihydroxy-2-imidazolinone, and 1,3-bis (methoxymethyl) -4,5-dimethoxy-2-imidazolinone.
- glycoluril compounds (trade names: Cymel (registered trademark) 1170, Powderlink (registered trademark) 1174) manufactured by Mitsui Cytec Co., Ltd., methylated urea resins (trade name: UFR (registered trademark) 65) ), Butylated urea resin (trade names: UFR (registered trademark) 300, U-VAN10S60, U-VAN10R, U-VAN11HV), urea / formaldehyde resin (high-condensation type, product name: Beccamin (trade name) manufactured by DIC Corporation) Registered trademark) J-300S, P-955, N) and the like.
- methylated urea resins (trade name: UFR (registered trademark) 65)
- Butylated urea resin (trade names: UFR (registered trademark) 300, U-VAN10S60, U-VAN10R, U-VAN11HV)
- urea / formaldehyde resin high-
- alkoxymethylated benzoguanamine examples include tetramethoxymethylbenzoguanamine.
- Commercially available products manufactured by Mitsui Cytec Co., Ltd. (trade name: Cymel (registered trademark) 1123), manufactured by Sanwa Chemical Co., Ltd. (trade names: Nicalac (registered trademark) BX-4000, BX-37, BL- 60, BX-55H) and the like.
- alkoxymethylated melamine examples include, for example, hexamethoxymethylmelamine.
- methoxymethyl type melamine compounds (trade names: Cymel (registered trademark) 300, 301, 303, 350) manufactured by Mitsui Cytec Co., Ltd., butoxymethyl type melamine compounds (trade name: My Coat (registered trademark)) 506, 508), methoxymethyl type melamine compound manufactured by Sanwa Chemical Co., Ltd.
- a compound obtained by condensing a melamine compound, urea compound, glycoluril compound and benzoguanamine compound in which the hydrogen atom of the amino group is substituted with a methylol group or an alkoxymethyl group may be used.
- the high molecular weight compound manufactured from the melamine compound and the benzoguanamine compound which are described in US Patent 6,323,310 is mentioned.
- Examples of commercially available products of the melamine compound include trade name: Cymel (registered trademark) 303 (manufactured by Mitsui Cytec Co., Ltd.).
- Examples of commercially available products of the benzoguanamine compound include product name: Cymel (registered trademark) 1123 ( Mitsui Cytec Co., Ltd.).
- phenoplast compounds include 2,6-bis (hydroxymethyl) phenol, 2,6-bis (hydroxymethyl) cresol, 2,6-bis (hydroxymethyl) -4-methoxyphenol, 3 , 3 ′, 5,5′-tetrakis (hydroxymethyl) biphenyl-4,4′-diol, 3,3′-methylenebis (2-hydroxy-5-methylbenzenemethanol), 4,4 ′-(1-methyl) Ethylidene) bis [2-methyl-6-hydroxymethylphenol], 4,4′-methylenebis [2-methyl-6-hydroxymethylphenol], 4,4 ′-(1-methylethylidene) bis [2,6- Bis (hydroxymethyl) phenol], 4,4′-methylenebis [2,6-bis (hydroxymethyl) phenol], 2, -Bis (methoxymethyl) phenol, 2,6-bis (methoxymethyl) cresol, 2,6-bis (methoxymethyl) -4-methoxyphenol, 3,3 ', 5,5'-tetrakis (methoxymethyl)
- the acrylamide compound substituted with a hydroxymethyl group or an alkoxymethyl group such as N-hydroxymethylacrylamide, N-methoxymethylmethacrylamide, N-ethoxymethylacrylamide, N-butoxymethylmethacrylamide, or the like
- a hydroxymethyl group or an alkoxymethyl group such as N-hydroxymethylacrylamide, N-methoxymethylmethacrylamide, N-ethoxymethylacrylamide, N-butoxymethylmethacrylamide, or the like
- Polymers produced using methacrylamide compounds can also be used.
- Examples of such a polymer include poly (N-butoxymethylacrylamide), a copolymer of N-butoxymethylacrylamide and styrene, a copolymer of N-hydroxymethylmethacrylamide and methylmethacrylate, and N-ethoxymethyl.
- Examples thereof include a copolymer of methacrylamide and benzyl methacrylate, and a copolymer of N-butoxymethylacrylamide, benzyl methacrylate and 2-hydroxypropyl methacrylate.
- the weight average molecular weight of such a polymer is 1,000 to 50,000, preferably 1,500 to 20,000, more preferably 2,000 to 10,000.
- the photosensitive resin composition of this invention can contain the crosslinkable compound represented by Formula (5) as (E2) component. (Wherein k represents an integer of 2 to 10, m represents an integer of 0 to 4, and R 11 represents a k-valent organic group)
- the component (E2) is not particularly limited as long as it is a compound having a cycloalkene oxide structure represented by the formula (5). Specific examples thereof include the following formulas E2-1 and E2-2, and commercially available products shown below.
- EX-252 (trade name, manufactured by Nagase Chemmutex Co., Ltd.), CY175, CY177, CY179 (trade name, manufactured by CIBA-GEIGY AG), Araldite CY-182, CY-192, CY-184 ( Above, CIBA-GEIGY AG product name), Epicron 200, 400 (above, DIC Corporation product name), Epicoat 871, 872 (above, Yuka Shell Epoxy Co., Ltd. product name), ED-5661, ED-5661 (above, trade name manufactured by Celanese Coating Co., Ltd.), etc. It is possible. Moreover, these crosslinkable compounds can be used individually or in combination of 2 or more types.
- the compounds represented by formula C1 and formula C2 having a cyclohexene oxide structure from the viewpoint of heat resistance, solvent resistance, process resistance such as long-term baking resistance, and transparency, Epolide GT-401, GT-403, GT-301, GT-302, Celoxide 2021, and Celoxide 3000 are preferable.
- E component (E1) component, (E2)
- the bridge structure by thermal reaction with the heat-reactive part (for example, carboxyl group and / or phenolic hydroxyl group) of component (B) other than what was shown as a component.
- the heat-reactive part for example, carboxyl group and / or phenolic hydroxyl group
- Formable compounds can also be used.
- ethylene glycol diglycidyl ether polyethylene glycol diglycidyl ether, propylene glycol diglycidyl ether, tripropylene glycol diglycidyl ether, polypropylene glycol diglycidyl ether, neopentyl glycol diglycidyl ether, 1,6-hexane Diol diglycidyl ether, glycerin diglycidyl ether, 2,2-dibromoneopentyl glycol diglycidyl ether, 1,3,5,6-tetraglycidyl-2,4-hexanediol, N, N, N ′, N ′, -Tetraglycidyl-m-xylenediamine, 1,3-bis (N, N-diglycidylaminomethyl) cyclohexane, and N, N, N ', N',-tetraglycidyl-4,4'-diame Epoxy compounds such
- a polymer having two or more structures capable of forming a bridge structure by thermal reaction with the thermally reactive site (for example, carboxyl group and / or phenolic hydroxyl group) of the component (B) is used.
- the thermally reactive site for example, carboxyl group and / or phenolic hydroxyl group
- it can.
- a polymer produced by using a compound having an epoxy group such as glycidyl methacrylate, 3,4-epoxycyclohexylmethyl methacrylate, 3,4-epoxycyclohexylmethyl methacrylate, 3-methacryloxypropyltrimethoxy, etc.
- component (E) When the component (B) has a group that reacts with at least one group selected from the group consisting of a hydroxy group, a carboxyl group, an amide group, and an amino group, a hydroxy group, a carboxyl group, an amide group, A compound having two or more groups represented by an amino group can be used as the component (E).
- crosslinkable compounds can be used alone or in combination of two or more.
- the content is 1 to 50 parts by weight, preferably 100 parts by weight in total of the components (A) and (B). 1 to 40 parts by mass, more preferably 1 to 30 parts by mass.
- the content of the crosslinkable compound is low, the crosslink density formed by the crosslinkable compound is not sufficient, and therefore the effect of improving the heat resistance after the pattern formation, the solvent resistance, the long-term baking resistance, etc. May not be obtained.
- it exceeds 50 parts by mass there is an uncrosslinked crosslinkable compound, the heat resistance after forming the pattern, the solvent resistance, the resistance to baking for a long time, etc. are reduced, and the photosensitive resin composition The storage stability of may deteriorate.
- Component (F) is a compound having two or more ethylenic polymerizable groups.
- the compound having two or more ethylenically polymerizable groups as referred to herein means a compound having two or more polymerizable groups in one molecule and having these polymerizable groups at the molecular terminals.
- the polymerizable group means at least one polymerizable group selected from the group consisting of an acrylate group, a methacrylate group, a vinyl group, and an allyl group.
- the compound having two or more ethylenic polymerizable groups as the component (F) has good compatibility with each component in the solution of the negative photosensitive resin composition of the present invention and affects the developability. From the viewpoint of not giving, a compound having a molecular weight (when the compound is a polymer, a weight average molecular weight) of 1,000 or less is preferable.
- such compounds include dipentaerythritol hexaacrylate, dipentaerythritol hexamethacrylate, dipentaerythritol pentaacrylate, dipentaerythritol pentamethacrylate, pentaerythritol tetraacrylate, pentaerythritol tetramethacrylate, pentaerythritol triacrylate, penta Erythritol trimethacrylate, pentaerythritol diacrylate, pentaerythritol dimethacrylate, tetramethylolpropane tetraacrylate, tetramethylolpropane tetramethacrylate, tetramethylolmethane tetraacrylate, tetramethylolmethane tetramethacrylate, trimethylolpropane triacrylate, trimethyl Propanetrimethacryl
- the above polyfunctional acrylate compounds can be easily obtained as commercial products. Specific examples thereof include KYARAD T-1420, DPHA, DPHA-2C, D-310, D-330, and the like. DPCA-20, DPCA-30, DPCA-60, DPCA-120, DN-0075, DN-2475, R-526, NPGDA, PEG400DA, MANDA, R-167, HX -220, HX620, R-551, R-712, R-604, R-684, GPO-303, TMPTA, THE-330, TPA-320, TPA-330, PET-30, RP-1040 (manufactured by Nippon Kayaku Co., Ltd.), Aronix M-210, M-240, M-6200, M-309, M-400, M-402, M-405, M-450, M-7100, M-8030, M-8060, M-1310, M-1310, M-1600, M-1960, M-8100, M-8530, M-8560, M-85
- the content of the component (F) in the photosensitive resin composition of the present invention is preferably 5 to 100 parts by mass with respect to 100 parts by mass as the total of the components (A) and (B). More preferably, it is 10 to 80 parts by mass, and particularly preferably 20 to 70 parts by mass. If this ratio is too small, the exposed area will be insufficiently cured, and pattern formation may not be possible, or even if possible, the film may be unreliable. Moreover, when this ratio is excessive, tack may generate
- the component (G) used in the photosensitive resin composition of the present invention is a compound having two or more functional groups that form a covalent bond with an acid.
- Examples of such a functional group that forms a covalent bond with an acid include an epoxy group and a methylol group.
- Examples of the compound having two or more epoxy groups include tris (2,3-epoxypropyl) isocyanurate, 1,4-butanediol diglycidyl ether, 1,2-epoxy-4- (epoxyethyl) cyclohexane, glycerol Triglycidyl ether, diethylene glycol diglycidyl ether, 2,6-diglycidylphenyl glycidyl ether, 1,1,3-tris [p- (2,3-epoxypropoxy) phenyl] propane, diglycidyl 1,2-cyclohexanedicarboxylate Ester, 4,4′-methylenebis (N, N-diglycidylaniline), 3,4-epoxycyclohexylmethyl-3,4-epoxycyclohexanecarboxylate, trimethylolethane triglycidyl ether, bisphenol-A-di Glycidyl ether, and pentaerythr
- epoxy resins having amino groups such as YH-434, YH434L (manufactured by Tohto Kasei Co., Ltd.); Epolide GT-401, Epoxy resin having a cyclohexene oxide structure such as GT-403, GT-301, GT-302, Celoxide 2021, Celoxide 3000 (manufactured by Daicel Chemical Industries, Ltd.); Epicoat 1001, 1002, 1003, 1004, Bisphenol A type epoxy resins such as 1007, 1009, 1010, and 828 (manufactured by Yuka Shell Epoxy Co., Ltd.
- Cresol novolak type epoxy resin such as Denacor EX-252 (manufactured by Nagase ChemteX Corporation), CY175, CY177, CY179, Araldite CY-182, CY-192, CY-184 (above) CIBA-GEIGY A.G), Epicron 200, the same 00 (manufactured by Dainippon Ink & Chemicals, Inc.), Epicoat 871, 872 (manufactured by Yuka Shell Epoxy Co., Ltd.
- ED-5661 As described above, alicyclic epoxy resin such as Celanese Coating Co., Ltd .; Denacol EX-611, EX-612, EX-614, EX-622, EX-411, EX-512, EX -522, aliphatic polyglycidyl ethers such as EX-421, EX-313, EX-314, EX-321 (manufactured by Nagase ChemteX Corporation).
- the polymer which has an epoxy group can also be used as a compound which has 2 or more of epoxy groups.
- the polymer having an epoxy group can be produced, for example, by addition polymerization using an addition polymerizable monomer having an epoxy group. Examples include addition polymerization polymers such as polyglycidyl acrylate, copolymers of glycidyl methacrylate and ethyl methacrylate, copolymers of glycidyl methacrylate and styrene and 2-hydroxyethyl methacrylate, and condensation polymerization polymers such as epoxy novolac. .
- the polymer having an epoxy group can be produced by a reaction between a polymer compound having a hydroxy group and a compound having an epoxy group such as epichlorohydrin or glycidyl tosylate.
- the weight average molecular weight of such a polymer is, for example, 300 to 20,000.
- Examples of the compound having two or more methylol groups include 1,3,4,6-tetrakis (methoxymethyl) glycoluril, 1,3,4,6-tetrakis (butoxymethyl) glycoluril, 1,3,4 , 6-tetrakis (hydroxymethyl) glycoluril, 1,3-bis (hydroxymethyl) urea, 1,1,3,3-tetrakis (butoxymethyl) urea, 1,1,3,3-tetrakis (methoxymethyl) Examples include urea, 1,3-bis (hydroxymethyl) -4,5-dihydroxy-2-imidazolinone, and 1,3-bis (methoxymethyl) -4,5-dimethoxy-2-imidazolinone.
- glycoluril compounds (trade names: Cymel (registered trademark) 1170, Powderlink (registered trademark) 1174) manufactured by Mitsui Cytec Co., Ltd., methylated urea resins (trade name: UFR (registered trademark) 65) ), Butylated urea resin (trade names: UFR (registered trademark) 300, U-VAN10S60, U-VAN10R, U-VAN11HV), urea / formaldehyde resin (high-condensation type, product name: Beccamin (trade name) manufactured by DIC Corporation) Registered trademark) J-300S, P-955, N), tetramethoxymethylbenzoguanamine and the like.
- methylated urea resins (trade name: UFR (registered trademark) 65)
- Butylated urea resin (trade names: UFR (registered trademark) 300, U-VAN10S60, U-VAN10R, U-VAN11HV)
- methoxymethyl type melamine compounds (trade names: Cymel (registered trademark) 300, 301, 303, 350) manufactured by Mitsui Cytec Co., Ltd., butoxymethyl type melamine compounds (trade name: My Coat (registered trademark)) 506, 508), Sanwa Chemical's methoxymethyl-type melamine compound (trade names: Nicalak (registered trademark) MW-30, MW-22, MW-11, MS-001, MX-002, MX-730, MX-750, MX-035) and butoxymethyl type melamine compounds (trade names: Nicalac (registered trademark) MX-45, MX-410, MX-302).
- a polymer having a methylol group can also be used as a compound having two or more methylol groups.
- Examples of the polymer having two or more methylol groups include hydroxy such as N-hydroxymethyl (meth) acrylamide, N-methoxymethyl (meth) acrylamide, N-ethoxymethyl (meth) acrylamide, and N-butoxymethyl (meth) acrylamide.
- hydroxy such as N-hydroxymethyl (meth) acrylamide, N-methoxymethyl (meth) acrylamide, N-ethoxymethyl (meth) acrylamide, and N-butoxymethyl (meth) acrylamide.
- the polymer manufactured using the acrylamide compound or the methacrylamide compound substituted by the methyl group or the alkoxymethyl group is mentioned.
- Such a polymer include, for example, poly (N-butoxymethylacrylamide), a copolymer of N-butoxymethylacrylamide and styrene, a copolymer of N-hydroxymethylmethacrylamide and methylmethacrylate, N And a copolymer of ethoxymethyl methacrylamide and benzyl methacrylate, a copolymer of N-butoxymethyl acrylamide, benzyl methacrylate and 2-hydroxypropyl methacrylate.
- the weight average molecular weight of such a polymer is 1,000 to 200,000, more preferably 3,000 to 150,000, and still more preferably 3,000 to 50,000.
- These compounds having two or more methylol groups can be used alone or in combination of two or more.
- the total content of component (A) and component (B) is 100.
- the amount is preferably 5 to 200 parts by weight, more preferably 50 to 150 parts by weight based on the parts by weight. If this ratio is too small, the photo-curing property of the negative photosensitive resin composition may be reduced, whereas if it is too large, the developability of the unexposed area will be reduced, resulting in residual film or residue. It may be a cause.
- the photosensitive resin composition of the present invention is a rheology modifier, a pigment, a dye, a storage stabilizer, an antifoaming agent, an adhesion promoter, or a polyvalent, as necessary, as long as the effects of the present invention are not impaired. It can contain dissolution promoters such as phenol and polycarboxylic acid.
- the photosensitive resin composition of the present invention is a photosensitive resin composition containing the following component (A), component (B), component (C) and component (D), and, if desired, component (E) One or more of the crosslinking agent, the compound (F) having two or more polymerizable groups, the compound (G) having two or more functional groups that form a covalent bond with the acid, and other additives It is a composition that can be contained.
- B) Component: Alkali-soluble resin (C) solvent
- the preferable example of the photosensitive resin composition of this invention is as follows. [1]: A photosensitive resin composition containing 0.1 to 20 parts by mass of component (A) with respect to 100 parts by mass of component (B), and these components dissolved in solvent (C). [2]: Contains 0.1 to 20 parts by weight of component (A), 5 to 100 parts by weight of component (D) with respect to 100 parts by weight of component (B), and these components are dissolved in solvent (C). Photosensitive resin composition. [3]: 0.1 to 20 parts by weight of component (A), 5 to 100 parts by weight of component (D) are contained in 100 parts by weight of component (B), and these components are dissolved in solvent (C). The photosensitive resin composition further comprising 1 to 50 parts by mass of the crosslinking agent as component (E) for 100 parts by mass of the total of components (A) and (B) Composition.
- the ratio of the solid content in the photosensitive resin composition of the present invention is not particularly limited as long as each component is uniformly dissolved in the solvent, but is, for example, 1 to 80% by mass, and for example, 5 to 60% by mass or 10 to 50% by mass.
- solid content means what remove
- the preparation method of the photosensitive resin composition of this invention is not specifically limited, As the preparation method, (A) component (specific polymer) is melt
- the solution of the copolymer obtained by the polymerization reaction in the solvent (C) can be used as it is, and in this case, the solution of the component (A) Similarly, when (B) component, (D) component, and (E) component, (F) component, (G) component, etc. are added as necessary to obtain a uniform solution, (C) ) Additional solvent may be added. At this time, the (C) solvent used in the process of forming the specific copolymer may be the same as or different from the (C) solvent used for adjusting the concentration when preparing the photosensitive resin composition. Also good.
- the prepared photosensitive resin composition solution is preferably used after being filtered using a filter having a pore size of about 0.2 ⁇ m.
- the photosensitive resin composition of the present invention is coated with a semiconductor substrate (for example, a silicon / silicon dioxide-coated substrate, a silicon nitride substrate, a metal (for example, aluminum, molybdenum, or chromium)), a glass substrate, a quartz substrate, or an ITO substrate. Etc.) by spin coating, flow coating, roll coating, slit coating, spin coating following slit, ink jet coating, etc., and then pre-dried in a hot plate or oven to form a coating film can do. Then, the photosensitive resin film is formed by heat-treating this coating film.
- a semiconductor substrate for example, a silicon / silicon dioxide-coated substrate, a silicon nitride substrate, a metal (for example, aluminum, molybdenum, or chromium)
- a glass substrate for example, a quartz substrate, or an ITO substrate.
- Etc. by spin coating, flow coating, roll coating, slit coating, spin coating following slit,
- a heating temperature and a heating time appropriately selected from the range of a temperature of 70 ° C. to 160 ° C. and a time of 0.3 to 60 minutes are adopted.
- the heating temperature and heating time are preferably 80 to 140 ° C. and 0.5 to 10 minutes.
- the film thickness of the photosensitive resin film formed from the photosensitive resin composition is, for example, 0.1 to 30 ⁇ m, is, for example, 0.2 to 10 ⁇ m, and is further, for example, 0.3 to 8 ⁇ m.
- a mask having a predetermined pattern is attached, irradiated with light such as ultraviolet rays, and developed with an alkali developer, so that either the exposed part or the unexposed part depends on the material composition.
- a relief pattern having a sharp end face can be obtained by heating the patterned film remaining after washing out at 80 ° C. to 140 ° C. for 0.5 to 10 minutes as necessary.
- alkaline developer examples include aqueous solutions of alkali metal hydroxides such as potassium carbonate, sodium carbonate, potassium hydroxide, and sodium hydroxide, and hydroxides such as tetramethylammonium hydroxide, tetraethylammonium hydroxide, and choline.
- alkali metal hydroxides such as potassium carbonate, sodium carbonate, potassium hydroxide, and sodium hydroxide
- hydroxides such as tetramethylammonium hydroxide, tetraethylammonium hydroxide, and choline.
- a surfactant or the like can be added to these developers.
- a tetraethylammonium hydroxide 0.1 to 2.58 mass% aqueous solution is generally used as a photoresist developer, and this alkaline developer is also used in the photosensitive resin composition of the present invention. It can be developed satisfactorily without causing problems such as swelling.
- any of a liquid piling method, a dipping method, a rocking dipping method and the like can be used as a developing method.
- the development time at that time is usually 15 to 180 seconds.
- the photosensitive resin film is washed with running water, for example, for 20 to 120 seconds, and then air-dried with compressed air or compressed nitrogen or by spinning to remove moisture on the substrate and form a pattern. A finished film is obtained.
- the pattern forming film is subjected to post-baking for thermosetting, specifically by heating using a hot plate, an oven, etc., thereby providing heat resistance, transparency, and flatness.
- a film having a good relief pattern with excellent water absorption and chemical resistance can be obtained.
- the post-bake is generally processed at a heating temperature selected from the range of 140 ° C. to 270 ° C. for 5 to 30 minutes when on a hot plate and 30 to 90 minutes when in an oven. The method is taken.
- a desired cured film having a good pattern shape can be obtained by such post-baking.
- a coating film having high storage stability, sufficiently high sensitivity, and very small unexposed area film thickness at the time of development and having a fine pattern. can be formed.
- Mn number average molecular weight
- Mw weight average molecular weight
- MMA methyl methacrylate
- HEMA 2-hydroxyethyl methacrylate
- HPMA 4-hydroxyphenyl methacrylate
- HPMA-QD condensation reaction of 1 mol of 4-hydroxyphenyl methacrylate and 1.1 mol of 1,2-naphthoquinone-2-diazide-5-sulfonyl chloride
- CHMI N-cyclohexylmaleimide
- TMSSMA methacryloxypropyltris (trimethylsiloxy) silane
- PFHMA 2- (perfluorohexyl) ethyl methacrylate
- MAA methacrylic acid
- AIBN ⁇ , ⁇ ′-azobisisobutyronitrile
- QD 1 mol of ⁇ , ⁇ , ⁇ '-tris (4-hydroxyphenyl) -1-ethyl-4-isopropylbenzene and 1,2-naphthoquinone-2-d
- Examples 1 to 5 and Comparative Examples 1 to 4> According to the composition shown in the following Table 1, the solution of the component (A), the solution of the component (B), the component (D), the component (E), and the component (F) are dissolved in the solvent (C) at a predetermined ratio.
- the photosensitive resin composition of each Example and each comparative example was prepared by stirring at room temperature for 3 hours to make a uniform solution.
- the photosensitive resin composition was applied onto a silicon wafer using a spin coater and then pre-baked on a hot plate at a temperature of 80 ° C. for 120 seconds to form a coating film having a thickness of 1.2 ⁇ m.
- This coating film was immersed in a 2.38 mass% aqueous solution of tetramethylammonium hydroxide (hereinafter referred to as TMAH) for 60 seconds, and then washed with running ultrapure water for 30 seconds. Next, this coating film was post-baked by heating at a temperature of 230 ° C. for 30 minutes to form a cured film having a thickness of 1.0 ⁇ m.
- TMAH tetramethylammonium hydroxide
- the contact angle of methyl benzoate on the cured film was measured using a Drop Master manufactured by Kyowa Interface Science Co., Ltd. The obtained results are shown in Table 2.
- the photosensitive resin composition was applied onto a silicon wafer using a spin coater and then pre-baked on a hot plate at a temperature of 100 ° C. for 120 seconds to form a coating film having a thickness of 1.2 ⁇ m.
- This coating film was immersed in a 0.4 mass% TMAH aqueous solution for 60 seconds, and then washed with running ultrapure water for 30 seconds. Next, this coating film was post-baked by heating at a temperature of 230 ° C. for 30 minutes to form a cured film having a thickness of 1.0 ⁇ m.
- the contact angle of methyl benzoate on the cured film was measured using a Drop Master manufactured by Kyowa Interface Science Co., Ltd. The obtained results are shown in Table 2.
- UV ozone treatment resistance Examples 1 to 3 and Comparative Examples 1 to 3
- the photosensitive resin composition was applied onto a silicon wafer using a spin coater and then pre-baked on a hot plate at a temperature of 80 ° C. for 120 seconds to form a coating film having a thickness of 1.2 ⁇ m.
- This coating film was immersed in a 2.38 mass% TMAH aqueous solution for 60 seconds, and then washed with running ultrapure water for 30 seconds. Next, this coating film was post-baked by heating at a temperature of 230 ° C. for 30 minutes to form a cured film having a thickness of 1.0 ⁇ m.
- This coating film was immersed in a 0.4 mass% TMAH aqueous solution for 60 seconds, and then washed with running ultrapure water for 30 seconds. Next, this coating film was post-baked by heating at a temperature of 230 ° C. for 30 minutes to form a cured film having a thickness of 1.0 ⁇ m. This cured film was subjected to ozone cleaning for 10 minutes using UV-312 manufactured by Technovision. The contact angle of methyl benzoate on the ozone-cleaned membrane was measured using a Drop Master manufactured by Kyowa Interface Science Co., Ltd. The obtained results are shown in Table 2. The difference between post-baking and UV ozone treatment is within 20 °.
- Example 4 evaluation of wettability: Example 4, Example 5 and Comparative Example 4
- the photosensitive resin composition was applied onto ITO-glass using a spin coater and then pre-baked on a hot plate at a temperature of 100 ° C. for 120 seconds to form a coating film having a thickness of 1.2 ⁇ m.
- This coating film was irradiated with ultraviolet rays having a light intensity at 365 nm of 5.5 mW / cm 2 for a certain period of time by means of an ultraviolet irradiation apparatus PLA-600FA manufactured by Canon Inc. through a rectangular pattern mask having a length of 50 ⁇ m and a width of 100 ⁇ m.
- Comparative Example 1 and Examples 1 to 5 had good wettability of the rectangular openings. On the other hand, in Comparative Examples 2 to 4, sufficient wettability could not be confirmed.
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Abstract
Description
より詳細には、高い撥水性と撥油性を硬化膜表面に有する画像を形成可能な感光性樹脂組成物及びその硬化膜、並びに該硬化膜を用いた各種材料に関する。この感光性樹脂組成物は、特に液晶ディスプレイやELディスプレイにおける層間絶縁膜、インクジェット方式に対応した遮光材料や隔壁材料として用いるのに好適である。 The present invention relates to a photosensitive resin composition and a cured film obtained therefrom.
More specifically, the present invention relates to a photosensitive resin composition capable of forming an image having high water repellency and oil repellency on the surface of the cured film, a cured film thereof, and various materials using the cured film. This photosensitive resin composition is particularly suitable for use as an interlayer insulating film in a liquid crystal display or an EL display, a light shielding material corresponding to an inkjet method, or a partition material.
しかしインクジェット法でバンクに囲まれた領域にインク滴を滴下する場合、バンクを超えて隣の画素にインク滴が溢れる事態を防ぐため、基板には親インク性(親水性、親油性)を持たせ、バンク表面には撥水性と撥油性を持たせる必要がある。 In recent years, a full color display substrate manufacturing technique using an ink jet in a manufacturing process of a display element such as a thin film transistor (TFT) type liquid crystal display element or an organic EL (electroluminescent) element has been actively studied. For example, with respect to the production of a color filter in a liquid crystal display element, light is blocked from a section (hereinafter referred to as a bank) that defines pixels that have been patterned in advance, compared to a conventional printing method, electrodeposition method, dyeing method, or pigment dispersion method. A color filter that is formed of a photosensitive resin layer and drops ink droplets in a region surrounded by the bank, a manufacturing method thereof (Patent Document 1), and the like have been proposed. Also, a method has been proposed (Patent Document 2) in which an organic EL display element is manufactured by preparing a bank in advance and dropping an ink serving as a light emitting layer in the same manner.
However, when ink droplets are dropped on the area surrounded by the bank by the inkjet method, the substrate has ink-philicity (hydrophilicity, oleophilicity) to prevent the ink droplet from overflowing to the adjacent pixels beyond the bank. The bank surface must be water and oil repellent.
1.下記(A)成分、(B)成分、(C)溶剤及び(D)成分を含有する熱硬化可能な感光性樹脂組成物。
(A)成分:下記基(A1)及び(A2)を有するポリシロキサン
(A1)フッ素原子を有する有機基
(A2)熱架橋性基を有する有機基
(B)成分:アルカリ可溶性樹脂
(C)溶剤、
(D)成分:感光剤。
2.(A2)熱架橋性基を有する有機基は、エポキシ基を有する有機基である上記1に記載の感光性樹脂組成物。
3.下記(Z1)乃至(Z4)の少なくともいずれか1つを満足する上記1または2に記載の感光性樹脂組成物。
(Z1):(E)成分である架橋剤をさらに含有する、
(Z2):(B)成分のアルカリ可溶性樹脂が、自己架橋性基をさらに有するか、又はヒドロキシ基、カルボキシル基、アミド基及びアミノ基からなる群から選ばれる少なくとも1つの基と反応する基をさらに有する。
(Z3):(D)成分が光ラジカル発生剤であり、さらに(F)成分であるエチレン性二重結合を2個以上有する化合物を含有する。
(Z4):(D)成分が光酸発生剤であり、さらに(G)成分である酸により共有結合を形成する官能基を2個以上有する化合物を含有する。
4.(D)成分がキノンジアジド化合物である上記1または2に記載の感光性樹脂組成物。
5.(D)成分がキノンジアジド化合物であり、上記(Z1)及び(Z2)の何れかを満足する上記3に記載の感光性樹脂組成物。
6.(A)成分がさらにフェニル基を有する上記1乃至5のいずれかに記載の感光性樹脂組成物。
7.(A)成分のポリシロキサンの数平均分子量がポリスチレン換算で1,000乃至100,000である上記6に記載の感光性樹脂組成物。
8.(B)成分のアルカリ可溶性樹脂の数平均分子量がポリスチレン換算で2,000乃至50,000である上記1乃至7のいずれか1つに記載の型感光性樹脂組成物。
9.(B)成分100質量部に対して0.1~20質量部の(A)成分を含有することを特徴とする上記1乃至8のいずれか1つに記載の型感光性樹脂組成物。
10.(A)成分と(B)成分の合計100質量部に対して、(D)成分が5乃至100質量部であることを特徴とする請求項1乃至9のいずれか一項に記載の感光性樹脂組成物。
11.(A)成分と(B)成分の合計100質量部に対して、(E)成分が1乃至50質量部であることを特徴とする上記3乃至10のいずれか1つに記載の感光性樹脂組成物。
12.上記1乃至11のいずれか1つに記載の感光性樹脂組成物を用いて得られる硬化膜。
13.上記12に記載の硬化膜を有する表示素子。
14.上記12に記載の硬化膜を画像形成用隔壁として有する表示素子。 That is, the present invention relates to the following.
1. A thermosetting photosensitive resin composition containing the following component (A), component (B), solvent (C) and component (D).
(A) Component: Polysiloxane having the following groups (A1) and (A2) (A1) Organic group having fluorine atom (A2) Organic group having thermally crosslinkable group (B) Component: Alkali-soluble resin (C) solvent ,
(D) Component: Photosensitizer.
2. (A2) The photosensitive resin composition according to 1 above, wherein the organic group having a thermally crosslinkable group is an organic group having an epoxy group.
3. 3. The photosensitive resin composition according to 1 or 2 that satisfies at least one of the following (Z1) to (Z4).
(Z1): further containing a crosslinking agent as component (E),
(Z2): The alkali-soluble resin of the component (B) further has a self-crosslinkable group or a group that reacts with at least one group selected from the group consisting of a hydroxy group, a carboxyl group, an amide group, and an amino group. Also have.
(Z3): The component (D) is a photoradical generator, and further contains a compound having two or more ethylenic double bonds as the component (F).
(Z4): The component (D) is a photoacid generator, and further contains a compound having two or more functional groups that form a covalent bond with the acid (G).
4). (D) The photosensitive resin composition of said 1 or 2 whose component is a quinonediazide compound.
5. (D) The photosensitive resin composition of said 3 with which a component is a quinonediazide compound and satisfies either of the said (Z1) and (Z2).
6). (A) The photosensitive resin composition in any one of said 1 thru | or 5 in which a component further has a phenyl group.
7). (A) The photosensitive resin composition of said 6 whose number average molecular weight of polysiloxane of a component is 1,000 thru | or 100,000 in polystyrene conversion.
8). The type photosensitive resin composition according to any one of 1 to 7 above, wherein the number average molecular weight of the alkali-soluble resin as the component (B) is 2,000 to 50,000 in terms of polystyrene.
9. The type photosensitive resin composition as described in any one of 1 to 8 above, which comprises 0.1 to 20 parts by mass of the component (A) with respect to 100 parts by mass of the component (B).
10. The photosensitive property according to any one of claims 1 to 9, wherein the component (D) is 5 to 100 parts by mass with respect to 100 parts by mass of the total of the component (A) and the component (B). Resin composition.
11. The photosensitive resin as described in any one of 3 to 10 above, wherein the component (E) is 1 to 50 parts by mass with respect to 100 parts by mass in total of the component (A) and the component (B). Composition.
12 The cured film obtained using the photosensitive resin composition as described in any one of said 1 thru | or 11.
13. 13. A display element having the cured film as described in 12 above.
14 13. A display element having the cured film as described in 12 above as an image forming partition.
(A)成分:下記基(A1)及び(A2)を有するポリシロキサン
(A1)フッ素原子を有する有機基
(A2)熱架橋性基を有する有機基
(B)成分:アルカリ可溶性樹脂;
(C)溶剤、
(D)成分:感光剤。 The photosensitive resin composition of this invention is a photosensitive resin composition containing the following (A) component, (B) component, (C) solvent, and (D) component.
(A) Component: Polysiloxane having the following groups (A1) and (A2) (A1) Organic group having fluorine atom (A2) Organic group having thermally crosslinkable group (B) Component: Alkali-soluble resin;
(C) solvent,
(D) Component: Photosensitizer.
(Z1):(E)成分である架橋剤をさらに含有する、
(Z2):(B)成分のアルカリ可溶性樹脂が、自己架橋性基をさらに有するか、又はヒドロキシ基、カルボキシル基、アミド基及びアミノ基からなる群から選ばれる少なくとも1つの基と反応する基をさらに有する。
(Z3):(D)成分が光ラジカル発生剤であり、さらに(F)成分であるエチレン性重合性基を2個以上有する化合物を含有する。
(Z4):(D)成分が光酸発生剤であり、さらに(G)成分である酸により共有結合を形成する官能基を2個以上有する化合物を含有する。 The photosensitive resin composition of the present invention preferably further satisfies at least one of the following (Z1) to (Z4).
(Z1): further containing a crosslinking agent as component (E),
(Z2): The alkali-soluble resin of the component (B) further has a self-crosslinkable group or a group that reacts with at least one group selected from the group consisting of a hydroxy group, a carboxyl group, an amide group, and an amino group. Also have.
(Z3): The component (D) is a photoradical generator, and further contains a compound having two or more ethylenic polymerizable groups as the component (F).
(Z4): The component (D) is a photoacid generator, and further contains a compound having two or more functional groups that form a covalent bond with the acid (G).
<(A)成分>
本発明に用いるポリシロキサン(A)は、下記基(A1)及び(A2)を有するポリシロキサンである。
(A1)フッ素原子を有する有機基
(A2)熱架橋性基を有する有機基 Hereinafter, details of each component will be described.
<(A) component>
The polysiloxane (A) used in the present invention is a polysiloxane having the following groups (A1) and (A2).
(A1) Organic group having fluorine atom (A2) Organic group having thermally crosslinkable group
さらに、熱架橋性基がエポキシ基の場合に、エポキシ基を有する有機基としては、グリシジルオキシ基、3,4-エポキシシクロヘキシルメチル基等が挙げられる。
ポリシロキサン(A)の熱架橋性基を有する有機基は、撥液性付与と膜硬度及び溶剤耐性との両立の観点から、ポリシロキサン(A)が有する全ケイ素原子の1モルに対して0.2~0.95モルが好ましく、0.3~0.8モルがさらに好ましい。 (A2) The heat-crosslinkable group in the organic group having a heat-crosslinkable group is not particularly limited as long as it is a group that forms a covalent bond by heating. For example, a vinyl group, an epoxy group, an amino group, a mercapto group, a block An isocyanate group or an isocyanate group is mentioned.
Further, when the thermally crosslinkable group is an epoxy group, examples of the organic group having an epoxy group include a glycidyloxy group and a 3,4-epoxycyclohexylmethyl group.
The organic group having a thermally crosslinkable group of the polysiloxane (A) is 0 with respect to 1 mol of all silicon atoms of the polysiloxane (A) from the viewpoint of providing both liquid repellency and film hardness and solvent resistance. .2 to 0.95 mol is preferable, and 0.3 to 0.8 mol is more preferable.
これらの具体例を挙げると、例えば、メチル基、エチル基、プロピル基、ブチル基、ペンチル基、ヘプチル基、オクチル基、ドデシル基、ヘキサデシル基、オクタデシル基、シクロヘキシル基、フェニル基、ビニル基、γ-アミノプロピル基、γ-メタクリロキシプロピル基などが挙げられる。 Examples of such an organic group having no fluorine atom include a saturated hydrocarbon group having a linear or branched structure; an aromatic group having a benzene ring; an organic group having an amino group, a ureido group or a vinyl group; Or the organic group etc. which have an ether bond and an ester bond are mentioned.
Specific examples thereof include, for example, methyl group, ethyl group, propyl group, butyl group, pentyl group, heptyl group, octyl group, dodecyl group, hexadecyl group, octadecyl group, cyclohexyl group, phenyl group, vinyl group, γ -Aminopropyl group, γ-methacryloxypropyl group and the like.
より具体的に、グリシドキシ基または3,4-エポキシシクロヘキシルメチル基を有する炭素数2~12の有機基が好ましい。 In the formula (3), R 4 is an organic group having 2 to 12 carbon atoms having a vinyl group, an epoxy group, an amino group, a mercapto group, a blocked isocyanate group, an isocyanate group, a methacryl group, an acrylic group or a ureido group. Among these, an organic group having 2 to 12 carbon atoms having a vinyl group, an epoxy group, an amino group, a methacryl group, an acrylic group or a ureido group is preferable from the viewpoint of availability. More preferably, it is an organic group having 2 to 12 carbon atoms having an epoxy group, a methacryl group, an acrylic group or a ureido group.
More specifically, an organic group having 2 to 12 carbon atoms having a glycidoxy group or a 3,4-epoxycyclohexylmethyl group is preferable.
さらに、熱により架橋反応が起こる3-グリシジルオキシプロピル(ジメトキシ)メチルシラン、3-グリシジルオキシプロピル(ジエトキシ)メチルシラン、3-グリシジルオキシプロピルトリメトキシシランまたは2-(3,4-エポキシシクロヘキシル)エチルトリメトキシシランを用いることも好ましい。 Specific examples of the specific alkoxysilane represented by the formula (3) include allyltriethoxysilane, allyltrimethoxysilane, diethoxymethylvinylsilane, dimethoxymethylvinylsilane, triethoxyvinylsilane, vinyltrimethoxysilane, vinyltris (2-methoxyethoxy). ) Silane, m-styrylethyltriethoxysilane, p-styrylethyltriethoxysilane, m-styrylmethyltriethoxysilane, p-styrylmethyltriethoxysilane, 3- (N-styrylmethyl-2-aminoethylamino) propyl Trimethoxysilane, diethoxy (3-glycidyloxypropyl) methylsilane, 3-glycidyloxypropyl (dimethoxy) methylsilane, 3-glycidyloxypropyl (diethoxy) methylsilane, 3- Lysidyloxypropyltrimethoxysilane, 3-glycidyloxypropyltriethoxysilane, 2- (3,4-epoxycyclohexyl) ethyltrimethoxysilane, 2- (3,4-epoxycyclohexyl) ethyltriethoxysilane, 3- ( 2-aminoethylamino) propyldimethoxymethylsilane, 3- (2-aminoethylamino) propyltriethoxysilane, 3- (2-aminoethylamino) propyltrimethoxysilane, 3-aminopropyldiethoxymethylsilane, 3- Aminopropyltriethoxysilane, 3-aminopropyltrimethoxysilane, trimethoxy [3- (phenylamino) propyl] silane, 3-mercaptopropyl (dimethoxy) methylsilane, (3-mercaptopropyl) triethoxysilane, 3-mercaptopropyl) trimethoxysilane, 3- (triethoxysilyl) propyl isocyanate, 3- (triethoxysilyl) propyl methacrylate, 3- (trimethoxysilyl) propyl methacrylate, 3- (triethoxysilyl) propyl acrylate, 3 -(Trimethoxysilyl) propyl acrylate, 2- (triethoxysilyl) ethyl methacrylate, 2- (trimethoxysilyl) ethyl methacrylate, 2- (triethoxysilyl) ethyl acrylate, 2- (trimethoxysilyl) ethyl acrylate, ( (Triethoxysilyl) methyl methacrylate, (trimethoxysilyl) methyl methacrylate, (triethoxysilyl) methyl acrylate, (trimethoxysilyl) methyl acrylate, γ-ureidopro Lutriethoxysilane, γ-ureidopropyltrimethoxysilane, γ-ureidopropyltripropoxysilane, (R) -N-1-phenylethyl-N′-triethoxysilylpropylurea, (R) -N-1-phenylethyl -N'-trimethoxysilylpropylurea, 1- [3- (trimethoxysilyl) propyl] urea and the like can be mentioned.
Furthermore, 3-glycidyloxypropyl (dimethoxy) methylsilane, 3-glycidyloxypropyl (diethoxy) methylsilane, 3-glycidyloxypropyltrimethoxysilane or 2- (3,4-epoxycyclohexyl) ethyltrimethoxy which undergoes a crosslinking reaction by heat It is also preferable to use silane.
例えば、テトラメトキシシラン、テトラエトキシシラン、メチルトリメトキシシラン、メチルトリエトキシシラン、エチルトリメトキシシラン、エチルトリエトキシシラン、プロピルトリメトキシシラン、プロピルトリエトキシシラン、ブチルトリメトキシシラン、ブチルトリエトキシシラン、ペンチルトリメトキシシラン、ペンチルトリエトキシシラン、ヘプチルトリメトキシシラン、ヘプチルトリエトキシシラン、オクチルトリメトキシシラン、オクチルトリエトキシシラン、ドデシルトリメトキシシラン、ドデシルトリエトキシシラン、ヘキサデシルトリメトキシシラン、ヘキサデシルトリエトキシシラン、オクタデシルトリメトキシシラン、オクタデシルトリエトキシシランなどのアルキルトリアルコキシシラン、フェニルトリメトキシシラン、フェニルトリエトキシシラン、ベンジルトリメトキシシラン及びベンジルトリエトキシシランなどの芳香族基を有するトリアルコキシシラン、ジメチルジメトキシシラン、ジメチルジエトキシシランなどのジアルコキシシラン、シクロヘキシルトリエトキシシラン、シクロヘキシルトリメトキシシラン、アリルトリエトキシシラン、アリルトリメトキシシラン、ジエトキシメチルビニルシラン、ジメトキシメチルビニルシラン、トリエトキシビニルシラン、ビニルトリメトキシシラン、ビニルトリス(2-メトキシエトキシ)シラン、m-スチリルエチルトリエトキシシラン、p-スチリルエチルトリエトキシシラン、m-スチリルメチルトリエトキシシラン、p-スチリルメチルトリエトキシシラン、3-(N-スチリルメチル-2-アミノエチルアミノ)プロピルトリメトキシシラン、3-(2-アミノエチルアミノ)プロピルジメトキシメチルシラン、3-(2-アミノエチルアミノ)プロピルトリエトキシシラン、3-(2-アミノエチルアミノ)プロピルトリメトキシシラン、3-アミノプロピルジエトキシメチルシラン、3-アミノプロピルトリエトキシシラン、3-アミノプロピルトリメトキシシラン、トリメトキシ[3-(フェニルアミノ)プロピル]シラン、3-メルカプトプロピル(ジメトキシ)メチルシラン、(3-メルカプトプロピル)トリエトキシシラン、(3-メルカプトプロピル)トリメトキシシラン、3-(トリエトキシシリル)プロピルイソシアネート、3-(トリエトキシシリル)プロピルメタクリレート、3-(トリメトキシシリル)プロピルメタクリレート、3-(トリエトキシシリル)プロピルアクリレート、3-(トリメトキシシリル)プロピルアクリレート、2-(トリエトキシシリル)エチルメタクリレート、2-(トリメトキシシリル)エチルメタクリレート、2-(トリエトキシシリル)エチルアクリレート、2-(トリメトキシシリル)エチルアクリレート、(トリエトキシシリル)メチルメタクリレート、(トリメトキシシリル)メチルメタクリレート、(トリエトキシシリル)メチルアクリレート、(トリメトキシシリル)メチルアクリレート、γ-ウレイドプロピルトリエトキシシラン、γ-ウレイドプロピルトリメトキシシラン、γ-ウレイドプロピルトリプロポキシシラン、(R)-N-1-フェニルエチル-N’-トリエトキシシリルプロピルウレア、(R)-N-1-フェニルエチル-N’-トリメトキシシリルプロピルウレア、1-[3-(トリメトキシシリル)プロピル]ウレアなどが挙げられる。 R 8 in the formula (4) is a hydrocarbon group having 1 to 5 carbon atoms. when p is 1 or 2, but is generally preferred if R 8 are the same, in the present invention, R 8 may be the same or different. Specific examples of alkoxysilane in the case where p is an integer of 1 to 3 in formula (4) are shown below.
For example, tetramethoxysilane, tetraethoxysilane, methyltrimethoxysilane, methyltriethoxysilane, ethyltrimethoxysilane, ethyltriethoxysilane, propyltrimethoxysilane, propyltriethoxysilane, butyltrimethoxysilane, butyltriethoxysilane, Pentyltrimethoxysilane, pentyltriethoxysilane, heptyltrimethoxysilane, heptyltriethoxysilane, octyltrimethoxysilane, octyltriethoxysilane, dodecyltrimethoxysilane, dodecyltriethoxysilane, hexadecyltrimethoxysilane, hexadecyltriethoxy Alkyltrialkoxysilanes such as silane, octadecyltrimethoxysilane, octadecyltriethoxysilane, phenyltrimeth Trialkoxysilanes having aromatic groups such as silane, phenyltriethoxysilane, benzyltrimethoxysilane and benzyltriethoxysilane, dialkoxysilanes such as dimethyldimethoxysilane and dimethyldiethoxysilane, cyclohexyltriethoxysilane, cyclohexyltrimethoxysilane , Allyltriethoxysilane, allyltrimethoxysilane, diethoxymethylvinylsilane, dimethoxymethylvinylsilane, triethoxyvinylsilane, vinyltrimethoxysilane, vinyltris (2-methoxyethoxy) silane, m-styrylethyltriethoxysilane, p-styrylethyl Triethoxysilane, m-styrylmethyltriethoxysilane, p-styrylmethyltriethoxysilane, 3- (N-styrylmethyl) -2-aminoethylamino) propyltrimethoxysilane, 3- (2-aminoethylamino) propyldimethoxymethylsilane, 3- (2-aminoethylamino) propyltriethoxysilane, 3- (2-aminoethylamino) propyl Trimethoxysilane, 3-aminopropyldiethoxymethylsilane, 3-aminopropyltriethoxysilane, 3-aminopropyltrimethoxysilane, trimethoxy [3- (phenylamino) propyl] silane, 3-mercaptopropyl (dimethoxy) methylsilane, (3-mercaptopropyl) triethoxysilane, (3-mercaptopropyl) trimethoxysilane, 3- (triethoxysilyl) propyl isocyanate, 3- (triethoxysilyl) propyl methacrylate, 3- (trimethoxysilane) Ryl) propyl methacrylate, 3- (triethoxysilyl) propyl acrylate, 3- (trimethoxysilyl) propyl acrylate, 2- (triethoxysilyl) ethyl methacrylate, 2- (trimethoxysilyl) ethyl methacrylate, 2- (triethoxy (Silyl) ethyl acrylate, 2- (trimethoxysilyl) ethyl acrylate, (triethoxysilyl) methyl methacrylate, (trimethoxysilyl) methyl methacrylate, (triethoxysilyl) methyl acrylate, (trimethoxysilyl) methyl acrylate, γ-ureido Propyltriethoxysilane, γ-ureidopropyltrimethoxysilane, γ-ureidopropyltripropoxysilane, (R) -N-1-phenylethyl-N′-triethoxysilylpropi And lurea, (R) —N-1-phenylethyl-N′-trimethoxysilylpropylurea, 1- [3- (trimethoxysilyl) propyl] urea and the like.
上記水酸化テトラエチルアンモニウム水溶液の存在量は、使用するアルコキシシランが有する全アルコキシ基量の1モルに対し、好ましくは0.01~0.2モルとされる。上記加熱は、液温が好ましくは0~100℃で行うことができ、また、液の蒸発、揮散などが起こらないように、好ましくは、還流管を備え付けた容器中の還流下で数十分~十数時間行われる。 As a method for obtaining the polysiloxane (A), for example, an alkoxysilane represented by the formula (2), an alkoxysilane represented by the formula (3), and an alkoxy represented by the formula (4) as necessary. Examples thereof include a method in which silane and an organic solvent are heated and polycondensed in the presence of an aqueous tetraethylammonium hydroxide solution. More specifically, after adding a tetraethylammonium hydroxide aqueous solution to an organic solvent in advance to obtain a solution of the tetraethylammonium hydroxide aqueous solution, the above-mentioned various alkoxysilanes are mixed while the solution is heated.
The amount of the tetraethylammonium hydroxide aqueous solution is preferably 0.01 to 0.2 mol with respect to 1 mol of the total alkoxy group amount of the alkoxysilane used. The heating can be performed at a liquid temperature of preferably 0 to 100 ° C., and preferably several tens of minutes under reflux in a container equipped with a reflux tube so that the liquid does not evaporate or volatilize. It is done for more than 10 hours.
アルコキシシランを重縮合する際には、仕込んだアルコキシシランの全ケイ素原子を酸化物に換算した濃度(以下、SiO2換算濃度と称す。)が、40質量%以下、特に好ましくは10~30質量%の範囲で加熱されることが好ましい。このような濃度範囲で任意の濃度を選択することにより、ゲルの生成を抑え、均質なポリシロキサン含有溶液を得ることができる。 When using multiple types of alkoxysilane, you may mix as a mixture which mixed alkoxysilane previously, and may mix multiple types of alkoxysilane sequentially.
In the polycondensation of alkoxysilane, the concentration of all the silicon atoms in the charged alkoxysilane converted to oxide (hereinafter referred to as SiO 2 conversion concentration) is 40% by mass or less, particularly preferably 10 to 30% by mass. % Heating is preferable. By selecting an arbitrary concentration within such a concentration range, gel formation can be suppressed and a homogeneous polysiloxane-containing solution can be obtained.
本発明においては、上記の有機溶媒を複数種混合して用いてもよい。 Specific examples of the polymerization solvent include alcohols such as methanol, ethanol, propanol and n-butanol, glycol ethers such as ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, diethylene glycol monomethyl ether and diethylene glycol monoethyl ether, and tetrahydrofuran. Examples include ether.
In the present invention, a plurality of the above organic solvents may be mixed and used.
本発明の(B)成分は、アルカリ可溶性基を有する樹脂である。アルカリ可溶性基としては、例えば、フェノール性ヒドロキシ基、カルボキシル基、酸無水物基、イミド基、スルホニル基、リン酸、ボロン酸及び活性メチレン基および活性メチン基が挙げられる。 <(B) component>
The component (B) of the present invention is a resin having an alkali-soluble group. Examples of the alkali-soluble group include a phenolic hydroxy group, a carboxyl group, an acid anhydride group, an imide group, a sulfonyl group, phosphoric acid, a boronic acid, an active methylene group, and an active methine group.
そのようなアルキル基としては、例えば、メチル基、エチル基、n-プロピル基、i-プロピル基等が挙げられる。
その中でも、メチル基、エチル基、n-プロピル基等が好ましい。 In the above formula (b1), examples of the alkyl group represented by R include an alkyl group having 1 to 20 carbon atoms, and an alkyl group having 1 to 5 carbon atoms is preferable.
Examples of such an alkyl group include a methyl group, an ethyl group, an n-propyl group, and an i-propyl group.
Of these, a methyl group, an ethyl group, an n-propyl group, and the like are preferable.
そのようなアルコキシ基としては、例えば、メトキシ基、エトキシ基、n-プロポキシ基、i-プロポキシ基、n-ブトキシ基、i-ブトキシ基、s-ブトキシ基、t-ブトキシ基等が挙げられる。
その中でも、メトキシ基、エトキシ基及びn-プロポキシ基等が好ましい。 In the above formula (b1), examples of the alkoxy group represented by R include an alkoxy group having 1 to 20 carbon atoms, and an alkoxy group having 1 to 5 carbon atoms is preferable.
Examples of such an alkoxy group include a methoxy group, an ethoxy group, an n-propoxy group, an i-propoxy group, an n-butoxy group, an i-butoxy group, an s-butoxy group, and a t-butoxy group.
Of these, a methoxy group, an ethoxy group, an n-propoxy group, and the like are preferable.
カルボキシル基を有するモノマーとしては、例えば、アクリル酸、メタクリル酸、クロトン酸、モノ-(2-(アクリロイルオキシ)エチル)フタレート、モノ-(2-(メタクリロイルオキシ)エチル)フタレート、N-(カルボキシフェニル)マレイミド、N-(カルボキシフェニル)メタクリルアミド、N-(カルボキシフェニル)アクリルアミド等が挙げられる。 Hereinafter, although the specific example of the said monomer is given, it is not limited to these.
Examples of the monomer having a carboxyl group include acrylic acid, methacrylic acid, crotonic acid, mono- (2- (acryloyloxy) ethyl) phthalate, mono- (2- (methacryloyloxy) ethyl) phthalate, and N- (carboxyphenyl). ) Maleimide, N- (carboxyphenyl) methacrylamide, N- (carboxyphenyl) acrylamide and the like.
等が挙げられる。 Examples of the monomer having a phenolic hydroxy group include hydroxystyrene, N- (hydroxyphenyl) acrylamide, N- (hydroxyphenyl) methacrylamide, N- (hydroxyphenyl) maleimide, 4-hydroxyphenyl methacrylate and the like.
以下、当該その他モノマーの具体例を挙げるが、これらに限定されるものではない。 In the present invention, the acrylic polymer of component (B) may be a copolymer formed with monomers other than the above-described monomers (hereinafter referred to as other monomers) as constituent units. Specifically, the other monomer may be any one that can be copolymerized with at least one selected from the group consisting of the above-mentioned monomer having a carboxyl group and a monomer having a phenolic hydroxy group. There is no particular limitation as long as it is not impaired. Specific examples of such monomers include acrylic ester compounds, methacrylic ester compounds, acrylamide compounds, acrylonitrile, styrene compounds and vinyl compounds.
Hereinafter, although the specific example of the said other monomer is given, it is not limited to these.
本発明においては、上記特定共重合体の粉体をそのまま用いても良く、あるいはその粉体を、たとえば後述する(C)溶剤に再溶解して溶液の状態として用いても良い。 In addition, the solution of the specific copolymer obtained as described above is re-precipitated by stirring with stirring such as diethyl ether or water, and the generated precipitate is filtered and washed, and then under normal pressure or reduced pressure. Thus, the powder of the specific copolymer can be obtained by drying at room temperature or by heating. By such an operation, the polymerization initiator and unreacted monomer coexisting with the specific copolymer can be removed, and as a result, a purified powder of the specific copolymer can be obtained. If sufficient purification cannot be achieved by a single operation, the obtained powder may be redissolved in a solvent and the above operation may be repeated.
In the present invention, the powder of the specific copolymer may be used as it is, or the powder may be redissolved in a solvent (C) described later and used as a solution.
これらは、1種単独で用いてもよく、又は2種以上の化合物を組み合わせて用いてもよい。 The (a) tetracarboxylic dianhydride compound is not particularly limited, and specific examples thereof include pyromellitic dianhydride, 3,3 ′, 4,4′-biphenyltetracarboxylic dianhydride, 3,3 ′. , 4,4′-Benzophenone tetracarboxylic dianhydride, 3,3 ′, 4,4′-diphenyl ether tetracarboxylic dianhydride, 3,3 ′, 4,4′-diphenylsulfone tetracarboxylic dianhydride Aromatic tetracarboxylic acid such as 1,2,3,4-cyclobutanetetracarboxylic dianhydride, 1,2-dimethyl-1,2,3,4-cyclobutanetetracarboxylic dianhydride, 1,2, 3,4-tetramethyl-1,2,3,4-cyclobutanetetracarboxylic dianhydride, 1,2,3,4-cyclopentanetetracarboxylic dianhydride, 1,2,3,4-cyclohexanetetra Carbo Alicyclic tetracarboxylic dianhydrides such as acid dianhydrides, 3,4-dicarboxy-1,2,3,4-tetrahydro-1-naphthalene succinic dianhydride, 1,2,3,4 Mention may be made of aliphatic tetracarboxylic dianhydrides such as butanetetracarboxylic dianhydride.
These may be used alone or in combination of two or more compounds.
これらは、1種単独で用いてもよく、又は2種以上の化合物を組み合わせて用いてもよい。 The diamine compound (b) is not particularly limited, and examples thereof include 2,4-diaminobenzoic acid, 2,5-diaminobenzoic acid, 3,5-diaminobenzoic acid, 4,6-diamino-1 , 3-benzenedicarboxylic acid, 2,5-diamino-1,4-benzenedicarboxylic acid, bis (4-amino-3-carboxyphenyl) ether, bis (4-amino-3,5-dicarboxyphenyl) ether, Bis (4-amino-3-carboxyphenyl) sulfone, bis (4-amino-3,5-dicarboxyphenyl) sulfone, 4,4′-diamino-3,3′-dicarboxybiphenyl, 4,4′- Diamino-3,3′-dicarboxy-5,5′-dimethylbiphenyl, 4,4′-diamino-3,3′-dicarboxy-5,5′-dimethoxybiphenyl, 1,4-bis 4-amino-3-carboxyphenoxy) benzene, 1,3-bis (4-amino-3-carboxyphenoxy) benzene, bis [4- (4-amino-3-carboxyphenoxy) phenyl] sulfone, bis [4- (4-amino-3-carboxyphenoxy) phenyl] propane, 2,2-bis [4- (4-amino-3-carboxyphenoxy) phenyl] hexafluoropropane, 2,4-diaminophenol, 3,5-diamino Phenol, 2,5-diaminophenol, 4,6-diaminoresorcinol, 2,5-diaminohydroquinone, bis (3-amino-4-hydroxyphenyl) ether, bis (4-amino-3-hydroxyphenyl) ether, bis (4-amino-3,5-dihydroxyphenyl) ether, bis (3-amino No-4-hydroxyphenyl) methane, bis (4-amino-3-hydroxyphenyl) methane, bis (4-amino-3,5-dihydroxyphenyl) methane, bis (3-amino-4-hydroxyphenyl) sulfone, Bis (4-amino-3-hydroxyphenyl) sulfone, bis (4-amino-3,5-dihydroxyphenyl) sulfone, 2,2-bis (3-amino-4-hydroxyphenyl) hexafluoropropane, 2,2 -Bis (4-amino-3-hydroxyphenyl) hexafluoropropane, 2,2-bis (4-amino-3,5-dihydroxyphenyl) hexafluoropropane, 4,4'-diamino-3,3'-dihydroxy Biphenyl, 4,4'-diamino-3,3'-dihydroxy-5,5'-dimethylbiphenyl, 4,4'-dia -3,3'-dihydroxy-5,5'-dimethoxybiphenyl, 1,4-bis (3-amino-4-hydroxyphenoxy) benzene, 1,3-bis (3-amino-4-hydroxyphenoxy) benzene 1,4-bis (4-amino-3-hydroxyphenoxy) benzene, 1,3-bis (4-amino-3-hydroxyphenoxy) benzene, bis [4- (3-amino-4-hydroxyphenoxy) phenyl ] Sulfone, bis [4- (3-amino-4-hydroxyphenoxy) phenyl] propane, 2,2-bis [4- (3-amino-4-hydroxyphenoxy) phenyl] hexafluoropropane, etc. Diamine compound, 1,3-diamino-4-mercaptobenzene, 1,3-diamino-5-mercaptobenzene 1,4-diamino-2-mercaptobenzene, bis (4-amino-3-mercaptophenyl) ether, 2,2-bis (3-amino-4-mercaptophenyl) hexafluoropropane and the like having a thiophenol group Diamine compounds, 1,3-diaminobenzene-4-sulfonic acid, 1,3-diaminobenzene-5-sulfonic acid, 1,4-diaminobenzene-2-sulfonic acid, bis (4-aminobenzene-3-sulfonic acid) ) Ether, 4,4′-diaminobiphenyl-3,3′-disulfonic acid, 4,4′-diamino-3,3′-dimethylbiphenyl-6,6′-disulfonic acid and the like diamine compounds having a sulfonic acid group Can be mentioned. P-phenylenediamine, m-phenylenediamine, 4,4′-methylene-bis (2,6-ethylaniline), 4,4′-methylene-bis (2-isopropyl-6-methylaniline), 4, 4'-methylene-bis (2,6-diisopropylaniline), 2,4,6-trimethyl-1,3-phenylenediamine, 2,3,5,6-tetramethyl-1,4-phenylenediamine, o- Tolidine, m-tolidine, 3,3 ′, 5,5′-tetramethylbenzidine, bis [4- (3-aminophenoxy) phenyl] sulfone, 2,2-bis [4- (3-aminophenoxy) phenyl] Propane, 2,2-bis [4- (3-aminophenoxy) phenyl] hexafluoropropane, 4,4′-diamino-3,3′-dimethyldicyclohexylmethane, 4,4 ′ Diaminodiphenyl ether, 3,4-diaminodiphenyl ether, 4,4′-diaminodiphenylmethane, 2,2-bis (4-anilino) hexafluoropropane, 2,2-bis (3-anilino) hexafluoropropane, 2,2- Bis (3-amino-4-toluyl) hexafluoropropane, 1,4-bis (4-aminophenoxy) benzene, 1,3-bis (4-aminophenoxy) benzene, bis [4- (4-aminophenoxy) Phenyl] sulfone, 2,2-bis [4- (4-aminophenoxy) phenyl] propane, 2,2-bis [4- (4-aminophenoxy) phenyl] hexafluoropropane, 2,2′-bis (tri And diamine compounds such as (fluoromethyl) benzidine.
These may be used alone or in combination of two or more compounds.
このようなカルボン酸無水物の例としてはフタル酸無水物、トリメリット酸無水物、無水マレイン酸、ナフタル酸無水物、水素化フタル酸無水物、メチル-5-ノルボルネン-2,3-ジカルボン酸無水物、無水イタコン酸、テトラヒドロフタル酸無水物等を挙げることができる。 Moreover, when it superposes | polymerizes using a diamine compound excessively, a carboxylic anhydride can be made to react with the terminal amino group of the remaining polyamic acid, and a terminal amino group can also be protected.
Examples of such carboxylic anhydrides include phthalic anhydride, trimellitic anhydride, maleic anhydride, naphthalic anhydride, hydrogenated phthalic anhydride, methyl-5-norbornene-2,3-dicarboxylic acid There may be mentioned anhydrides, itaconic anhydride, tetrahydrophthalic anhydride and the like.
また、末端アミノ基を酸無水物で保護する場合の反応温度は-20乃至150℃、好ましくは-5乃至100℃の任意の温度を選択することができる。 In the production of the polyamic acid, the reaction temperature of the reaction between the diamine compound and the tetracarboxylic dianhydride compound can be selected from -20 to 150 ° C, preferably -5 to 100 ° C. In order to obtain a high molecular weight polyamic acid, the reaction temperature is appropriately selected within the range of 5 to 40 ° C. and the reaction time of 1 to 48 hours. In order to obtain a partially imidized polyamic acid having a low molecular weight and high storage stability, it is more preferable to select from a reaction temperature of 40 ° C. to 90 ° C. and a reaction time of 10 hours or more.
The reaction temperature for protecting the terminal amino group with an acid anhydride can be selected from -20 to 150 ° C, preferably -5 to 100 ° C.
ポリイミドへのカルボキシル基又はフェノール性ヒドロキシ基の導入方法は、カルボキシル基又はフェノール性ヒドロキシ基を有するモノマーを用いる方法、カルボキシル基又はフェノール性ヒドロキシ基を有する酸無水物でアミン末端を封止する方法、或いは、ポリアミド酸などのポリイミド前駆体をイミド化する際にイミド化率を99%以下にする方法等が用いられる。 The polyimide used in the photosensitive resin composition of the present invention preferably has a group selected from a carboxyl group and a phenolic hydroxy group in order to impart alkali solubility.
The method of introducing a carboxyl group or a phenolic hydroxy group into polyimide is a method using a monomer having a carboxyl group or a phenolic hydroxy group, a method of sealing an amine terminal with an acid anhydride having a carboxyl group or a phenolic hydroxy group, Alternatively, a method of setting the imidization rate to 99% or less when imidizing a polyimide precursor such as polyamide acid is used.
化学イミド化の方法としては一般的にポリイミド前駆体溶液に過剰の無水酢酸およびピリジンを添加し室温から100℃で反応させる方法が用いられる。また、熱イミド化の方法としては一般的に、ポリイミド前駆体溶液を温度180℃乃至250℃で脱水しながら過熱する方法が用いられる。 Such a polyimide can be obtained by synthesizing a polyimide precursor such as the above-mentioned polyamic acid and then performing chemical imidization or thermal imidization.
As a method of chemical imidization, generally, a method of adding excess acetic anhydride and pyridine to a polyimide precursor solution and reacting at room temperature to 100 ° C. is used. As a method for thermal imidization, generally, a method in which a polyimide precursor solution is heated while being dehydrated at a temperature of 180 ° C. to 250 ° C. is used.
酸二無水物としては、上記(a)テトラカルボン酸二無水物が挙げられる。
ジオールとしては、ビスフェノールA、ビスフェノールF、4,4’-ジヒドロキシビフェニル、ベンゼン-1,3-ジメタノール、ベンゼン-1,4-ジメタノール等の芳香族ジオール、水添ビスフェノールA、水添ビスフェノールF、1,4-シクロヘキサンジオール、1,3-シクロヘキサンジメタノール、1,4-シクロヘキサンジメタノール等の脂環族ジオール、及びエチレングリコール、プロピレングリコール、1,4-ブタンジオール、1,6-ヘキサンジオール等の脂肪族ジオール等が挙げられる。 Further, as the alkali-soluble resin of component (B), polyester polycarboxylic acid can also be used. The polyester polycarboxylic acid can be obtained from an acid dianhydride and a diol by the method described in WO2009 / 051186.
Examples of the acid dianhydride include the above (a) tetracarboxylic dianhydride.
Examples of the diol include bisphenol A, bisphenol F, 4,4′-dihydroxybiphenyl, aromatic diols such as benzene-1,3-dimethanol, benzene-1,4-dimethanol, hydrogenated bisphenol A, and hydrogenated bisphenol F. 1,4-cyclohexanediol, 1,3-cyclohexanedimethanol, 1,4-cyclohexanedimethanol, and other alicyclic diols, and ethylene glycol, propylene glycol, 1,4-butanediol, 1,6-hexanediol And the like, and the like.
本発明に用いる(C)溶剤は、(A)成分、(B)成分、及び必要に応じて後述の(D)成分、(E)成分、(F)成分、(G)成分を溶解し、且つ所望により添加される後述の(H)成分やその他添加剤などを溶解するものであり、斯様な溶解能を有する溶剤であれば、その種類及び構造などは特に限定されるものでない。 <(C) Solvent>
The (C) solvent used in the present invention dissolves the component (A), the component (B), and the component (D), the component (E), the component (F), and the component (G) described below, if necessary. And if it dissolves the below-mentioned (H) component added by necessity, other additives, etc., if it is a solvent which has such a solubility, the kind, structure, etc. will not be specifically limited.
これら(C)溶剤の中、プロピレングリコールモノメチルエーテル、プロピレングリコールモノメチルエーテルアセテート、2-ヘプタノン、プロピレングリコールプロピルエーテル、プロピレングリコールプロピルエーテルアセテート、乳酸エチル、乳酸ブチル等が、塗膜性が良好で安全性が高いという観点より好ましい。これら溶剤は、一般にフォトレジスト材料のための溶剤として用いられている。 These solvents can be used singly or in combination of two or more.
Among these (C) solvents, propylene glycol monomethyl ether, propylene glycol monomethyl ether acetate, 2-heptanone, propylene glycol propyl ether, propylene glycol propyl ether acetate, ethyl lactate, butyl lactate, etc. have good coating properties and safety Is preferable from the viewpoint of high. These solvents are generally used as solvents for photoresist materials.
(D)成分である感光剤としては、(D-1)1,2-キノンジアジド化合物、(D-2)光ラジカル発生剤、(D-3)光酸発生剤が挙げられる。 <(D) component>
Examples of the photosensitive agent as component (D) include (D-1) 1,2-quinonediazide compounds, (D-2) photoradical generators, and (D-3) photoacid generators.
上記の光重合開始剤は、市販品として容易に入手が可能であり、その具体例としては、例えばIRGACURE 173、IRGACURE 500、IRGACURE 2959、IRGACURE 754、IRGACURE 907、IRGACURE 369、IRGACURE 1300、IRGACURE 819、IRGACURE 819DW、IRGACURE 1880、IRGACURE 1870、DAROCURE TPO、DAROCURE 4265、IRGACURE 784、IRGACURE OXE01、IRGACURE OXE02、IRGACURE 250(以上、BASF社製)、KAYACURE DETX-S、KAYACURE CTX、KAYACURE BMS、KAYACURE 2-EAQ(以上、日本化薬(株)製)、TAZ-101、TAZ-102、TAZ-103、TAZ-104、TAZ-106、TAZ-107、TAZ-108、TAZ-110、TAZ-113、TAZ-114、TAZ-118、TAZ-122、TAZ-123、TAZ-140、TAZ-204(以上みどり化学(株)製)等が挙げられる。
これらの光ラジカル発生剤単独で使用しても、二種類以上を併用することも可能である。 (D-2) The photoradical generator is not particularly limited as long as it generates radicals upon exposure. Specific examples include aromatic ketones such as benzophenone, Michler ketone, 4,4′-bisdiethylaminobenzophenone, 4-methoxy-4′-dimethylaminobenzophenone, 2-ethylanthraquinone, phenanthrene, benzoin methyl ether, benzoin ethyl ether, Benzoin ethers such as benzoinphenyl ether, benzoin such as methylbenzoin and ethylbenzoin, 2- (o-chlorophenyl) -4,5-phenylimidazole dimer, 2- (o-chlorophenyl) -4,5-di ( m-methoxyphenyl) imidazole dimer, 2- (o-fluorophenyl) -4,5-diphenylimidazole dimer, 2- (o-methoxyphenyl) -4,5-diphenylimidazole dimer, 2, 4,5-triaryl Dazole dimer, 2- (o-chlorophenyl) -4,5-di (m-methylphenyl) imidazole dimer, 2-benzyl-2-dimethylamino-1- (4-morpholinophenyl) -butanone, 2-trichloromethyl-5-styryl-1,3,4-oxadiazole, 2-trichloromethyl-5- (p-cyanostyryl) -1,3,4-oxadiazole, 2-trichloromethyl-5- Halomethyloxadiazole compounds such as (p-methoxystyryl) -1,3,4-oxadiazole, 2,4-bis (trichloromethyl) -6-p-methoxystyryl-S-triazine, 2,4- Bis (trichloromethyl) -6- (1-p-dimethylaminophenyl-1,3-butadienyl) -S-triazine, 2-trichloromethyl-4-amino-6-p -Methoxystyryl-S-triazine, 2- (naphth-1-yl) -4,6-bis-trichloromethyl-S-triazine, 2- (4-ethoxy-naphth-1-yl) -4,6-bis -Halomethyl-S-triazine compounds such as trichloromethyl-S-triazine, 2- (4-butoxy-naphth-1-yl) -4,6-bis-trichloromethyl-S-triazine, 2,2-dimethoxy- 1,2-diphenylethane-1-one, 2-methyl-1- [4- (methylthio) phenyl] -2-morpholinopropanone, 1,2-benzyl-2-dimethylamino-1- (4-morpholino Phenyl) -butanone-1,1-hydroxy-cyclohexyl-phenyl ketone, benzyl, benzoylbenzoic acid, methyl benzoylbenzoate, 4-benzoyl-4'- Methyl diphenyl sulfide, benzyl methyl ketal, dimethylaminobenzoate, isoamyl p-dimethylaminobenzoate, 2-n-butoxyethyl-4-dimethylaminobenzoate, 2-chlorothioxanthone, 2,4-diethylthioxanthone, 2,4-dimethyl Thioxanthone, isopropylthioxanthone, 1- (4-phenylthiophenyl) -1,2-octanedione-2- (O-benzoyloxime), ethanone, 1- [9-ethyl-6- (2-methylbenzoyl) -9H -Carbazol-3-yl] -1- (O-acetyloxime), 4-benzoyl-methyldiphenyl sulfide, 1-hydroxy-cyclohexyl-phenyl ketone, 2-benzyl-2- (dimethylamino) -1- [4- (4-morpholinyl Phenyl] -1-butanone, 2- (dimethylamino) -2-[(4-methylphenyl) methyl] -1- [4- (4-morpholinyl) phenyl] -1-butanone, α-dimethoxy-α-phenyl Acetophenone, phenylbis (2,4,6-trimethylbenzoyl) phosphine oxide, diphenyl (2,4,6-trimethylbenzoyl) phosphine oxide, 2-methyl-1- [4- (methylthio) phenyl] -2- (4-morpholinyl) -1-propanone and the like.
The above photopolymerization initiator can be easily obtained as a commercial product. Specific examples thereof include IRGACURE 173, IRGACURE 500, IRGACURE 2959, IRGACURE 754, IRGACURE 907, IRGACURE 369, IRGACURE 1300, IRGACURE 819, IRGACURE 819DW, IRGACURE 1880, IRGACURE 1870, DAROCURE TPO, DAROCURE 4265, IRGACURE 784, IRGACURE OXE01, IRGACURE OXE02, IRGACURE 250 (above, manufactured by BASF), KATURE Above, Japan Manufactured by Yakuhin Co., Ltd.), TAZ-101, TAZ-102, TAZ-103, TAZ-104, TAZ-106, TAZ-107, TAZ-108, TAZ-110, TAZ-113, TAZ-114, TAZ-118 , TAZ-122, TAZ-123, TAZ-140, TAZ-204 (manufactured by Midori Chemical Co., Ltd.) and the like.
These photoradical generators can be used alone or in combination of two or more.
(E)成分は架橋剤であり、本発明の感光性樹脂組成物が要件(Z1)を満たす場合に組成物中に導入されるものである。より具体的には、(B)成分の熱反応性部位(たとえば、カルボキシル基及び/又はフェノール性水酸基)と熱反応により橋架け構造を形成しうる構造を有する化合物である。以下、具体例を挙げるがこれらに限定されるものではない。熱架橋剤は、例えば、(E1)アルコキシメチル基及びヒドロキシメチル基から選ばれる置換基を2個以上有する架橋性化合物や(E2)式(5)で表される架橋性化合物から選ばれるものが好ましい。これらの架橋剤は単独または2種以上の組み合わせで使用することができる。 <(E) component>
The component (E) is a crosslinking agent, and is introduced into the composition when the photosensitive resin composition of the present invention satisfies the requirement (Z1). More specifically, it is a compound having a structure capable of forming a bridge structure by a thermal reaction with a thermally reactive site (for example, carboxyl group and / or phenolic hydroxyl group) of component (B). Specific examples will be given below, but the present invention is not limited thereto. Examples of the thermal crosslinking agent include those selected from (E1) a crosslinkable compound having two or more substituents selected from an alkoxymethyl group and a hydroxymethyl group and (E2) a crosslinkable compound represented by formula (5). preferable. These crosslinking agents can be used alone or in combination of two or more.
(F)成分はエチレン性重合性基を2個以上有する化合物である。ここで言うところのエチレン性重合性基を2個以上有する化合物とは、一分子中に重合性基を2個以上有し、且つそれらの重合性基が分子末端にある化合物のことを意味し、それらの重合性基とは、アクリレート基、メタクリレート基、ビニル基及びアリル基からなる群より選ばれる少なくとも1種類の重合性基のことを意味する。
この(F)成分であるエチレン性重合性基を2個以上有する化合物は、本発明のネガ型感光性樹脂組成物の溶液において、各成分との相溶性が良好で、且つ現像性に影響を与えないという観点から、分子量(該化合物がポリマーである場合、重量平均分子量)が1,000以下の化合物が好ましい。 <(F) component>
Component (F) is a compound having two or more ethylenic polymerizable groups. The compound having two or more ethylenically polymerizable groups as referred to herein means a compound having two or more polymerizable groups in one molecule and having these polymerizable groups at the molecular terminals. The polymerizable group means at least one polymerizable group selected from the group consisting of an acrylate group, a methacrylate group, a vinyl group, and an allyl group.
The compound having two or more ethylenic polymerizable groups as the component (F) has good compatibility with each component in the solution of the negative photosensitive resin composition of the present invention and affects the developability. From the viewpoint of not giving, a compound having a molecular weight (when the compound is a polymer, a weight average molecular weight) of 1,000 or less is preferable.
これらの重エチレン性合性基を2個以上有する化合物は1種または2種以上を組み合わせて用いることができる。 The above polyfunctional acrylate compounds can be easily obtained as commercial products. Specific examples thereof include KYARAD T-1420, DPHA, DPHA-2C, D-310, D-330, and the like. DPCA-20, DPCA-30, DPCA-60, DPCA-120, DN-0075, DN-2475, R-526, NPGDA, PEG400DA, MANDA, R-167, HX -220, HX620, R-551, R-712, R-604, R-684, GPO-303, TMPTA, THE-330, TPA-320, TPA-330, PET-30, RP-1040 (manufactured by Nippon Kayaku Co., Ltd.), Aronix M-210, M-240, M-6200, M-309, M-400, M-402, M-405, M-450, M-7100, M-8030, M-8060, M-1310, M-1310, M-1600, M-1960, M-8100, M-8530, M-8560, M-8560, M-9050 (Made by Toagosei Co., Ltd.), Biscote 295, 300, 360, GPT, 3PA, 400, 260 312, 335HP (Osaka Organic Chemical Co., Ltd.), A-9300, A-GLY-9E, A-GLY-20E, A-TMM-3, A-TMM-3L, A-TMM -3LM-N, A-TMPT, AD-TMP, ATM-35E, A-TMMT, A-9550, A-DPH, TMPT, 9PG, 701, 1206PE, NPG, NOD-N, HD-N, DOD-N , DCP, BP -1300N, BPE-900, BPE-200, BPE-100, BPE-80N, 23G, 14G, 9G, 4G, 3G, 2G, 1G (above, manufactured by Shin-Nakamura Chemical Co., Ltd.) .
These compounds having two or more heavy ethylenic compatibility groups can be used alone or in combination of two or more.
本発明の感光性樹脂組成物に用いられる(G)成分は、酸により共有結合を形成する官能基を2個以上有する化合物である。このような酸により共有結合を形成する官能基としてはエポキシ基やメチロール基等が挙げられる。 <(G) component>
The component (G) used in the photosensitive resin composition of the present invention is a compound having two or more functional groups that form a covalent bond with an acid. Examples of such a functional group that forms a covalent bond with an acid include an epoxy group and a methylol group.
上記エポキシ基を有するポリマーは、例えばエポキシ基を有する付加重合性モノマーを用いた付加重合により製造することができる。一例として、ポリグリシジルアクリレート、グリシジルメタクリレートとエチルメタクリレートの共重合体、グリシジルメタクリレートとスチレンと2-ヒドロキシエチルメタクリレートの共重合体等の付加重合ポリマーや、エポキシノボラック等の縮重合ポリマーを挙げることができる。 Moreover, the polymer which has an epoxy group can also be used as a compound which has 2 or more of epoxy groups.
The polymer having an epoxy group can be produced, for example, by addition polymerization using an addition polymerizable monomer having an epoxy group. Examples include addition polymerization polymers such as polyglycidyl acrylate, copolymers of glycidyl methacrylate and ethyl methacrylate, copolymers of glycidyl methacrylate and styrene and 2-hydroxyethyl methacrylate, and condensation polymerization polymers such as epoxy novolac. .
更に、本発明の感光性樹脂組成物は、本発明の効果を損なわない限りにおいて、必要に応じて、レオロジー調整剤、顔料、染料、保存安定剤、消泡剤、密着促進剤、または多価フェノール、多価カルボン酸等の溶解促進剤等を含有することができる。 <Other additives>
Furthermore, the photosensitive resin composition of the present invention is a rheology modifier, a pigment, a dye, a storage stabilizer, an antifoaming agent, an adhesion promoter, or a polyvalent, as necessary, as long as the effects of the present invention are not impaired. It can contain dissolution promoters such as phenol and polycarboxylic acid.
本発明の感光性樹脂組成物は、下記(A)成分、(B)成分、(C)溶剤及び(D)成分を含有する感光性樹脂組成物であり、且つ、所望により、(E)成分の架橋剤、(F)成分の重合性基を2個以上有する化合物、(G)成分の酸により共有結合を形成する官能基を2個以上有する化合物、及びその他添加剤のうち一種以上を更に含有することができる組成物である。
(A)成分:下記基(A1)及び(A2)を有するポリシロキサン
(A1)フッ素原子を有する有機基
(A2)熱架橋性基を有する有機基
(B)成分:アルカリ可溶性樹脂
(C)溶剤、
(D)成分:感光剤。 <Photosensitive resin composition>
The photosensitive resin composition of the present invention is a photosensitive resin composition containing the following component (A), component (B), component (C) and component (D), and, if desired, component (E) One or more of the crosslinking agent, the compound (F) having two or more polymerizable groups, the compound (G) having two or more functional groups that form a covalent bond with the acid, and other additives It is a composition that can be contained.
(A) Component: Polysiloxane having the following groups (A1) and (A2) (A1) Organic group having fluorine atom (A2) Organic group having thermally crosslinkable group (B) Component: Alkali-soluble resin (C) solvent ,
(D) Component: Photosensitizer.
[1]:(B)成分100質量部に対して0.1~20質量部の(A)成分を含有し、これら成分が(C)溶剤に溶解された感光性樹脂組成物。
[2]:(B)成分100質量部に対して0.1~20質量部の(A)成分、5乃至100質量部の(D)成分を含有し、これら成分が(C)溶剤に溶解された感光性樹脂組成物。
[3]:(B)成分100質量部に対して0.1~20質量部の(A)成分、5乃至100質量部の(D)成分を含有し、これら成分が(C)溶剤に溶解された感光性樹脂組成物であって、さらに(E)成分である架橋剤を、(A)成分と(B)成分の合計の100質量部に対して1乃至50質量部含有する感光性樹脂組成物。 Especially, the preferable example of the photosensitive resin composition of this invention is as follows.
[1]: A photosensitive resin composition containing 0.1 to 20 parts by mass of component (A) with respect to 100 parts by mass of component (B), and these components dissolved in solvent (C).
[2]: Contains 0.1 to 20 parts by weight of component (A), 5 to 100 parts by weight of component (D) with respect to 100 parts by weight of component (B), and these components are dissolved in solvent (C). Photosensitive resin composition.
[3]: 0.1 to 20 parts by weight of component (A), 5 to 100 parts by weight of component (D) are contained in 100 parts by weight of component (B), and these components are dissolved in solvent (C). The photosensitive resin composition further comprising 1 to 50 parts by mass of the crosslinking agent as component (E) for 100 parts by mass of the total of components (A) and (B) Composition.
本発明の感光性樹脂組成物を半導体基板(例えば、シリコン/二酸化シリコン被覆基板、シリコンナイトライド基板、金属(例えばアルミニウム、モリブデン、クロム)などが被覆された基板、ガラス基板、石英基板、ITO基板等)の上に、回転塗布、流し塗布、ロール塗布、スリット塗布、スリットに続いた回転塗布、インクジェット塗布などによって塗布し、その後、ホットプレートまたはオーブン等で予備乾燥することにより、塗膜を形成することができる。その後、この塗膜を加熱処理することにより、感光性樹脂膜が形成される。 <Coating film and cured film>
The photosensitive resin composition of the present invention is coated with a semiconductor substrate (for example, a silicon / silicon dioxide-coated substrate, a silicon nitride substrate, a metal (for example, aluminum, molybdenum, or chromium)), a glass substrate, a quartz substrate, or an ITO substrate. Etc.) by spin coating, flow coating, roll coating, slit coating, spin coating following slit, ink jet coating, etc., and then pre-dried in a hot plate or oven to form a coating film can do. Then, the photosensitive resin film is formed by heat-treating this coating film.
[数平均分子量及び重量平均分子量の測定]
以下の合成例に従い得られた共重合体の数平均分子量及び重量平均分子量を、島津製作所製GPC装置(ShodexカラムKF-804Lおよび803L)を用い、溶出溶媒テトラヒドロフランを流量1ml/分でカラム中に(カラム温度40℃)流して溶離させるという条件で測定した。なお、下記の数平均分子量(以下、Mnと称す。)及び重量平均分子量(以下、Mwと称す。)は、ポリスチレン換算値にて表される。 EXAMPLES Hereinafter, although an Example is given and this invention is demonstrated in more detail, this invention is not limited to these Examples. In addition, the measurement of a number average molecular weight and a weight average molecular weight is as follows.
[Measurement of number average molecular weight and weight average molecular weight]
The number average molecular weight and the weight average molecular weight of the copolymer obtained in accordance with the following synthesis example were measured using a GPC apparatus (Shodex columns KF-804L and 803L) manufactured by Shimadzu Corporation, and the elution solvent tetrahydrofuran was introduced into the column at a flow rate of 1 ml / min. (Column temperature: 40 ° C.) The measurement was performed under the condition of flowing and eluting. The following number average molecular weight (hereinafter referred to as Mn) and weight average molecular weight (hereinafter referred to as Mw) are expressed in terms of polystyrene.
MMA:メチルメタクリレート
HEMA:2-ヒドロキシエチルメタクリレート
HPMA:4-ヒドロキシフェニルメタクリレート
HPMA-QD:4-ヒドロキシフェニルメタクリレート1molと1,2-ナフトキノン-2-ジアジド-5-スルホニルクロリド1.1molとの縮合反応によって合成される化合物
CHMI:N-シクロヘキシルマレイミド
TMSSMA:メタクリルオキシプロピルトリス(トリメチルシロキシ)シラン
PFHMA:2-(パーフルオロヘキシル)エチルメタクリレート
MAA:メタクリル酸
AIBN:α、α’-アゾビスイソブチロニトリル
QD:α、α、α’-トリス(4-ヒドロキシフェニル)-1-エチル-4-イソプロピルベンゼン1molと1,2-ナフトキノン-2-ジアジド-5-スルホニルクロリド2molとの縮合反応によって合成される化合物
GT-401:ブタンテトラカルボン酸 テトラ(3,4-エポキシシクロヘキシルメチル) 修飾ε-カプロラクトン
P2:ヒドロキシスチレン85%とスチレン15%の重合体と、ヒドロキシスチレン70%とスチレン30%の重合体とを2:8で混合したスチレン重合体
PFHTMOS:2-(パーフルオロヘキシル)エチルトリメトキシシラン
KBM-503:3-メタクリロキシプロピルトリメトキシシラン
KBM-403:3-グリシドキシプロピルトリメトキシシラン
KBM-303:2-(3,4-エポキシシクロヘキシル)エチルトリメトキシシラン
35wt%TEAH:35wt%水酸化テトラエチルアンモニウム水溶液
PTMOS:フェニルトリメトキシシラン
15JWET:オルガノ社製イオン交換樹脂
I907:2-メチルー1-[4-(メチルチオ)フェニル]-2-モルフォリノプロパンー1-オン(IRGACURE 907、BASF製)
DEAB:4,4’-ビス(ジエチルアミノ)ベンゾフェノン
DPHA:ジペンタエリスリトールヘキサアクリレート
8KQ:8KQ-2001(大成ファインケミカル(株)製 アルカリ可溶UV硬化型アクリル樹脂)(P8)
PGME:プロピレングリコールモノメチルエーテル
PGMEA:プロピレングリコールモノメチルエーテルアセテート
CHN:シクロヘキサノン
THF:テトラヒドロフラン The meanings of the abbreviations used in the following examples are as follows.
MMA: methyl methacrylate HEMA: 2-hydroxyethyl methacrylate HPMA: 4-hydroxyphenyl methacrylate HPMA-QD: condensation reaction of 1 mol of 4-hydroxyphenyl methacrylate and 1.1 mol of 1,2-naphthoquinone-2-diazide-5-sulfonyl chloride CHMI: N-cyclohexylmaleimide TMSSMA: methacryloxypropyltris (trimethylsiloxy) silane PFHMA: 2- (perfluorohexyl) ethyl methacrylate MAA: methacrylic acid AIBN: α, α′-azobisisobutyronitrile QD: 1 mol of α, α, α'-tris (4-hydroxyphenyl) -1-ethyl-4-isopropylbenzene and 1,2-naphthoquinone-2-diazide-5-sulfonyl Compound GT-401 synthesized by condensation reaction with 2 mol of lolide: Butanetetracarboxylic acid tetra (3,4-epoxycyclohexylmethyl) modified ε-caprolactone P2: polymer of 85% hydroxystyrene and 15% styrene, hydroxystyrene Styrene polymer PFHTMOS in which 70% polymer and 30% styrene polymer were mixed at 2: 8: 2- (perfluorohexyl) ethyltrimethoxysilane KBM-503: 3-methacryloxypropyltrimethoxysilane KBM-403: 3 -Glycidoxypropyltrimethoxysilane KBM-303: 2- (3,4-epoxycyclohexyl) ethyltrimethoxysilane 35wt% TEAH: 35wt% tetraethylammonium hydroxide aqueous solution PTMOS: phenyltrimethoxysilane 15JWET: o Ion exchange resin I907 manufactured by Lugano: 2-methyl-1- [4- (methylthio) phenyl] -2-morpholinopropan-1-one (IRGACURE 907, manufactured by BASF)
DEAB: 4,4′-bis (diethylamino) benzophenone DPHA: dipentaerythritol hexaacrylate 8KQ: 8KQ-2001 (alkali-soluble UV curable acrylic resin manufactured by Taisei Fine Chemical Co., Ltd.) (P8)
PGME: Propylene glycol monomethyl ether PGMEA: Propylene glycol monomethyl ether acetate CHN: Cyclohexanone THF: Tetrahydrofuran
MAA 70.00g、HEMA 218.75g、HPMA 43.75g、MMA 192・50g、CHMI 350.00g、AIBN 56.00gをPGME 1396.50gに溶解し、90℃にて20時間反応させることによりアクリル重合体溶液(固形分濃度40質量%)を得た(P1)。得られたアクリル重合体のMnは2,800、Mwは4,900であった。 <Synthesis Example 1>
70.00 g of MAA, 21.75 g of HEMA, 43.75 g of HPMA, 350.00 g of MMA, 350.00 g of CHMI, and 56.00 g of AIBN were dissolved in 1396.50 g of PGME and reacted at 90 ° C. for 20 hours to obtain acrylic weight. A coalesced solution (solid concentration 40% by mass) was obtained (P1). Mn of the obtained acrylic polymer was 2,800 and Mw was 4,900.
PFHTMOS 2.34g、KBM-303 4.93g、35wt%TEAH 0.21g、水 0.68gをTHF 9.79gに溶解し、40℃にて4時間撹拌した。続いて、THFで洗浄した15JWET 0.73gを添加し、25℃にて1時間撹拌した。次いで、廃15JWETをろ過しシロキサン重合体溶液を得た(P3)。得られたシロキサン重合体のMnは1,900、Mwは2,200であった。 <Synthesis Example 2>
2.34 g of PFHTMOS, 4.93 g of KBM-303, 0.21 g of 35 wt% TEAH, and 0.68 g of water were dissolved in 9.79 g of THF, and the mixture was stirred at 40 ° C. for 4 hours. Subsequently, 0.73 g of 15 JWET washed with THF was added, and the mixture was stirred at 25 ° C. for 1 hour. Next, waste 15 JWET was filtered to obtain a siloxane polymer solution (P3). Mn of the obtained siloxane polymer was 1,900 and Mw was 2,200.
PFHTMOS 2.34g、KBM-403 4.45g、35wt%TEAH 0.21g、水 0.68gをTHF 9.21gに溶解し、40℃にて4時間撹拌した。続いて、THFで洗浄した15JWET 0.68gを添加し、25℃にて1時間撹拌した。次いで、廃15JWETをろ過しシロキサン重合体溶液を得た(P4)。得られたシロキサン重合体のMnは2,400、Mwは2,900であった。 <Synthesis Example 3>
2.34 g of PFHTMOS, 4.45 g of KBM-403, 0.21 g of 35 wt% TEAH and 0.68 g of water were dissolved in 9.21 g of THF and stirred at 40 ° C. for 4 hours. Subsequently, 0.68 g of 15JWET washed with THF was added and stirred at 25 ° C. for 1 hour. Next, the waste 15JWET was filtered to obtain a siloxane polymer solution (P4). Mn of the obtained siloxane polymer was 2,400 and Mw was 2,900.
PFHTMOS 2.34g、KBM-303 2.46g、PTMOS 1.98g、35wt%TEAH 0.21g、水 0.68gをTHF 9.21gに溶解し、40℃にて4時間撹拌した。続いて、THFで洗浄した15JWET 0.48gを添加し、25℃にて1時間撹拌した。次いで、廃15JWETをろ過しシロキサン重合体溶液を得た(P5)。得られたシロキサン重合体のMnは1,900、Mwは2,400であった。 <Synthesis Example 4>
2.34 g of PFHTMOS, 2.46 g of KBM-303, 1.98 g of PTMOS, 0.21 g of 35 wt% TEAH and 0.68 g of water were dissolved in 9.21 g of THF and stirred at 40 ° C. for 4 hours. Subsequently, 0.48 g of 15 JWET washed with THF was added and stirred at 25 ° C. for 1 hour. Next, the waste 15JWET was filtered to obtain a siloxane polymer solution (P5). Mn of the obtained siloxane polymer was 1,900 and Mw was 2,400.
HPMA-QD 2.50g、TMSSMA 2.58g、PFHMA 5.26g、MAA 0.70g、CHMI 1.46g、AIBN 0.33gをCHN 51.3gに溶解し、110℃にて20時間撹拌させることによりアクリル重合体溶液(固形分濃度20質量%)を得た(P6)。得られたアクリル重合体のMnは7,200、Mwは11,000であった。 <Synthesis Example 5>
By dissolving HPMA-QD 2.50 g, TMSSMA 2.58 g, PFHMA 5.26 g, MAA 0.70 g, CHMI 1.46 g, AIBN 0.33 g in CHN 51.3 g and stirring at 110 ° C. for 20 hours. An acrylic polymer solution (solid concentration 20% by mass) was obtained (P6). Mn of the obtained acrylic polymer was 7,200 and Mw was 11,000.
PFHTMOS 2.34g、KBM-503 4.97g、35wt%TEAH 0.21g、水 0.68gをTHF 9.83gに溶解し、40℃にて4時間撹拌した。続いて、THFで洗浄した15JWET 0.73gを添加し、25℃にて1時間撹拌した。次いで、廃15JWETをろ過しシロキサン重合体溶液を得た(P7)。得られたシロキサン重合体のMnは2,000、Mwは2,100であった。 <Synthesis Example 6>
2.34 g of PFHTMOS, 4.97 g of KBM-503, 0.21 g of 35 wt% TEAH and 0.68 g of water were dissolved in 9.83 g of THF and stirred at 40 ° C. for 4 hours. Subsequently, 0.73 g of 15 JWET washed with THF was added, and the mixture was stirred at 25 ° C. for 1 hour. Next, waste 15 JWET was filtered to obtain a siloxane polymer solution (P7). Mn of the obtained siloxane polymer was 2,000 and Mw was 2,100.
次の表1に示す組成に従い、(A)成分の溶液、(B)成分の溶液、(D)成分、(E)成分、(F)成分を所定の割合で(C)溶剤に溶解し、室温で3時間撹拌して均一な溶液とすることにより、各実施例及び各比較例の感光性樹脂組成物を調製した。 <Examples 1 to 5 and Comparative Examples 1 to 4>
According to the composition shown in the following Table 1, the solution of the component (A), the solution of the component (B), the component (D), the component (E), and the component (F) are dissolved in the solvent (C) at a predetermined ratio. The photosensitive resin composition of each Example and each comparative example was prepared by stirring at room temperature for 3 hours to make a uniform solution.
感光性樹脂組成物をシリコンウェハ上にスピンコーターを用いて塗布した後、温度80℃で120秒間ホットプレート上においてプリベークを行い、膜厚1.2μmの塗膜を形成した。この塗膜を2.38質量%の水酸化テトラメチルアンモニウム(以下、TMAHと称す)水溶液に60秒間浸漬した後、超純水で30秒間流水洗浄を行った。次いでこの塗膜を温度230℃で30分間加熱することによりポストベークを行い、膜厚1.0μmの硬化膜を形成した。この硬化膜上の安息香酸メチルの接触角を協和界面科学(株)製Drop Masterを用いて測定した。得られた結果を表2に示す。
[接触角の評価:実施例4、実施例5及び比較例4]
感光性樹脂組成物をシリコンウェハ上にスピンコーターを用いて塗布した後、温度100℃で120秒間ホットプレート上においてプリベークを行い、膜厚1.2μmの塗膜を形成した。この塗膜を0.4質量%TMAH水溶液に60秒間浸漬した後、超純水で30秒間流水洗浄を行った。次いでこの塗膜を温度230℃で30分間加熱することによりポストベークを行い、膜厚1.0μmの硬化膜を形成した。この硬化膜上の安息香酸メチルの接触角を協和界面科学(株)製Drop Masterを用いて測定した。得られた結果を表2に示す。 [Evaluation of Contact Angle: Examples 1 to 3 and Comparative Examples 1 to 3]
The photosensitive resin composition was applied onto a silicon wafer using a spin coater and then pre-baked on a hot plate at a temperature of 80 ° C. for 120 seconds to form a coating film having a thickness of 1.2 μm. This coating film was immersed in a 2.38 mass% aqueous solution of tetramethylammonium hydroxide (hereinafter referred to as TMAH) for 60 seconds, and then washed with running ultrapure water for 30 seconds. Next, this coating film was post-baked by heating at a temperature of 230 ° C. for 30 minutes to form a cured film having a thickness of 1.0 μm. The contact angle of methyl benzoate on the cured film was measured using a Drop Master manufactured by Kyowa Interface Science Co., Ltd. The obtained results are shown in Table 2.
[Evaluation of Contact Angle: Example 4, Example 5 and Comparative Example 4]
The photosensitive resin composition was applied onto a silicon wafer using a spin coater and then pre-baked on a hot plate at a temperature of 100 ° C. for 120 seconds to form a coating film having a thickness of 1.2 μm. This coating film was immersed in a 0.4 mass% TMAH aqueous solution for 60 seconds, and then washed with running ultrapure water for 30 seconds. Next, this coating film was post-baked by heating at a temperature of 230 ° C. for 30 minutes to form a cured film having a thickness of 1.0 μm. The contact angle of methyl benzoate on the cured film was measured using a Drop Master manufactured by Kyowa Interface Science Co., Ltd. The obtained results are shown in Table 2.
感光性樹脂組成物をシリコンウェハ上にスピンコーターを用いて塗布した後、温度80℃で120秒間ホットプレート上においてプリベークを行い、膜厚1.2μmの塗膜を形成した。この塗膜を2.38質量%TMAH水溶液に60秒間浸漬した後、超純水で30秒間流水洗浄を行った。次いでこの塗膜を温度230℃で30分間加熱することによりポストベークを行い、膜厚1.0μmの硬化膜を形成した。この硬化膜を(株)テクノビジョン製UV-312を用いて10分間オゾン洗浄した。オゾン洗浄処理した膜上の安息香酸メチルの接触角を協和界面科学(株)製Drop Masterを用いて測定した。得られた結果を表2に示す。ポストベーク後とUVオゾン処理後の差が20°以内のものを良好とする。
[UVオゾン処理耐性の評価:実施例4、実施例5及び比較例4]
感光性樹脂組成物をシリコンウェハ上にスピンコーターを用いて塗布した後、温度100℃で120秒間ホットプレート上においてプリベークを行い、膜厚1.2μmの塗膜を形成した。この塗膜を0.4質量%TMAH水溶液に60秒間浸漬した後、超純水で30秒間流水洗浄を行った。次いでこの塗膜を温度230℃で30分間加熱することによりポストベークを行い、膜厚1.0μmの硬化膜を形成した。この硬化膜を(株)テクノビジョン製UV-312を用いて10分間オゾン洗浄した。オゾン洗浄処理した膜上の安息香酸メチルの接触角を協和界面科学(株)製Drop Masterを用いて測定した。得られた結果を表2に示す。ポストベーク後とUVオゾン処理後の差が20°以内のものを良好とする。 [Evaluation of UV ozone treatment resistance: Examples 1 to 3 and Comparative Examples 1 to 3]
The photosensitive resin composition was applied onto a silicon wafer using a spin coater and then pre-baked on a hot plate at a temperature of 80 ° C. for 120 seconds to form a coating film having a thickness of 1.2 μm. This coating film was immersed in a 2.38 mass% TMAH aqueous solution for 60 seconds, and then washed with running ultrapure water for 30 seconds. Next, this coating film was post-baked by heating at a temperature of 230 ° C. for 30 minutes to form a cured film having a thickness of 1.0 μm. This cured film was subjected to ozone cleaning for 10 minutes using UV-312 manufactured by Technovision. The contact angle of methyl benzoate on the ozone-cleaned membrane was measured using a Drop Master manufactured by Kyowa Interface Science Co., Ltd. The obtained results are shown in Table 2. The difference between post-baking and UV ozone treatment is within 20 °.
[Evaluation of UV ozone treatment resistance: Example 4, Example 5 and Comparative Example 4]
The photosensitive resin composition was applied onto a silicon wafer using a spin coater and then pre-baked on a hot plate at a temperature of 100 ° C. for 120 seconds to form a coating film having a thickness of 1.2 μm. This coating film was immersed in a 0.4 mass% TMAH aqueous solution for 60 seconds, and then washed with running ultrapure water for 30 seconds. Next, this coating film was post-baked by heating at a temperature of 230 ° C. for 30 minutes to form a cured film having a thickness of 1.0 μm. This cured film was subjected to ozone cleaning for 10 minutes using UV-312 manufactured by Technovision. The contact angle of methyl benzoate on the ozone-cleaned membrane was measured using a Drop Master manufactured by Kyowa Interface Science Co., Ltd. The obtained results are shown in Table 2. The difference between post-baking and UV ozone treatment is within 20 °.
感光性樹脂組成物をITO-ガラス上にスピンコーターを用いて塗布した後、温度80℃で120秒間ホットプレート上においてプリベークを行い、膜厚1.2μmの塗膜を形成した。この塗膜に長さ50μm、幅100μmの長方形パターンのマスクを介しキヤノン(株)製紫外線照射装置PLA-600FAにより365nmにおける光強度が5.5mW/cm2の紫外線を一定時間照射した。その後2.38質量%TMAH水溶液に60秒間浸漬することで現像を行った後、超純水で30秒間流水洗浄を行った。次いでこの長方形パターンが形成された塗膜を温度230℃で30分間加熱することによりポストベークを行い硬化させた。得られた硬化膜の長方形開口部上にクラスターテクノロジー(株)製 Inkjet Designerを用いて駆動波形:A、繰り返し周波数:1kHz、駆動電圧:4Vで約20plの溶液を吐出した。吐出溶液は安息香酸メチルを使用した。得られた結果を表3に示す。
[濡れ性の評価:実施例4、実施例5及び比較例4]
感光性樹脂組成物をITO-ガラス上にスピンコーターを用いて塗布した後、温度100℃で120秒間ホットプレート上においてプリベークを行い、膜厚1.2μmの塗膜を形成した。この塗膜に長さ50μm、幅100μmの長方形パターンのマスクを介しキヤノン(株)製紫外線照射装置PLA-600FAにより365nmにおける光強度が5.5mW/cm2の紫外線を一定時間照射した。その後0.4質量%TMAH水溶液に60秒間浸漬することで現像を行った後、超純水で30秒間流水洗浄を行った。次いでこの長方形パターンが形成された塗膜を温度230℃で30分間加熱することによりポストベークを行い硬化させた。得られた硬化膜の長方形開口部上にクラスターテクノロジー(株)製 Inkjet Designerを用いて駆動波形:A、繰り返し周波数:1kHz、駆動電圧:4Vで約20plの溶液を吐出した。吐出溶液は安息香酸メチルを使用した。得られた結果を表3に示す。 [Evaluation of wettability: Examples 1 to 3 and Comparative Examples 1 to 3]
The photosensitive resin composition was applied onto ITO-glass using a spin coater and then prebaked on a hot plate at a temperature of 80 ° C. for 120 seconds to form a coating film having a thickness of 1.2 μm. This coating film was irradiated with ultraviolet rays having a light intensity at 365 nm of 5.5 mW / cm 2 for a certain period of time by means of an ultraviolet irradiation apparatus PLA-600FA manufactured by Canon Inc. through a rectangular pattern mask having a length of 50 μm and a width of 100 μm. Thereafter, development was performed by immersing in a 2.38 mass% TMAH aqueous solution for 60 seconds, and then washed with running ultrapure water for 30 seconds. Next, the coating film on which the rectangular pattern was formed was heated at 230 ° C. for 30 minutes to be post-baked and cured. About 20 pl of solution was discharged onto the rectangular opening of the obtained cured film using an Inkjet Designer manufactured by Cluster Technology Co., Ltd. with a drive waveform: A, a repetition frequency: 1 kHz, and a drive voltage: 4V. The discharge solution was methyl benzoate. The obtained results are shown in Table 3.
[Evaluation of wettability: Example 4, Example 5 and Comparative Example 4]
The photosensitive resin composition was applied onto ITO-glass using a spin coater and then pre-baked on a hot plate at a temperature of 100 ° C. for 120 seconds to form a coating film having a thickness of 1.2 μm. This coating film was irradiated with ultraviolet rays having a light intensity at 365 nm of 5.5 mW / cm 2 for a certain period of time by means of an ultraviolet irradiation apparatus PLA-600FA manufactured by Canon Inc. through a rectangular pattern mask having a length of 50 μm and a width of 100 μm. Thereafter, development was performed by immersing in a 0.4% by mass TMAH aqueous solution for 60 seconds, followed by washing with running ultrapure water for 30 seconds. Next, the coating film on which the rectangular pattern was formed was heated at 230 ° C. for 30 minutes to be post-baked and cured. About 20 pl of solution was discharged onto the rectangular opening of the obtained cured film using an Inkjet Designer manufactured by Cluster Technology Co., Ltd. with a drive waveform: A, a repetition frequency: 1 kHz, and a drive voltage: 4V. The discharge solution was methyl benzoate. The obtained results are shown in Table 3.
○:長方形開口部に溶液が完全に濡れ広がっている。
×:長方形開口部に溶液が濡れ広がっていない部分が観察される。
○: The solution completely spreads out in the rectangular opening.
X: The part where the solution does not spread wet in the rectangular opening is observed.
As shown in Table 3, Comparative Example 1 and Examples 1 to 5 had good wettability of the rectangular openings. On the other hand, in Comparative Examples 2 to 4, sufficient wettability could not be confirmed.
Claims (14)
- 下記(A)成分、(B)成分、(C)溶剤及び(D)成分を含有する熱硬化可能な感光性樹脂組成物。
(A)成分:下記基(A1)及び(A2)を有するポリシロキサン
(A1)フッ素原子を有する有機基
(A2)熱架橋性基を有する有機基
(B)成分:アルカリ可溶性樹脂
(C)溶剤、
(D)成分:感光剤。 A thermosetting photosensitive resin composition containing the following component (A), component (B), solvent (C) and component (D).
(A) Component: Polysiloxane having the following groups (A1) and (A2) (A1) Organic group having fluorine atom (A2) Organic group having thermally crosslinkable group (B) Component: Alkali-soluble resin (C) solvent ,
(D) Component: Photosensitizer. - (A2)熱架橋性基を有する有機基は、エポキシ基を有する有機基である請求項1に記載の感光性樹脂組成物。 (A2) The photosensitive resin composition according to claim 1, wherein the organic group having a thermally crosslinkable group is an organic group having an epoxy group.
- 下記(Z1)乃至(Z4)の少なくともいずれか1つを満足する請求項1または請求項2に記載の感光性樹脂組成物。
(Z1):(E)成分である架橋剤をさらに含有する、
(Z2):(B)成分のアルカリ可溶性樹脂が、自己架橋性基をさらに有するか、又はヒドロキシ基、カルボキシル基、アミド基及びアミノ基からなる群から選ばれる少なくとも1つの基と反応する基をさらに有する。
(Z3):(D)成分が光ラジカル発生剤であり、さらに(F)成分であるエチレン性二重結合を2個以上有する化合物を含有する。
(Z4):(D)成分が光酸発生剤であり、さらに(G)成分である(D)成分より発生した酸により共有結合を形成する官能基を2個以上有する化合物を含有する。 The photosensitive resin composition of Claim 1 or Claim 2 which satisfies at least any one of following (Z1) thru | or (Z4).
(Z1): further containing a crosslinking agent as component (E),
(Z2): The alkali-soluble resin of the component (B) further has a self-crosslinkable group or a group that reacts with at least one group selected from the group consisting of a hydroxy group, a carboxyl group, an amide group, and an amino group. Also have.
(Z3): The component (D) is a photoradical generator, and further contains a compound having two or more ethylenic double bonds as the component (F).
(Z4): The component (D) is a photoacid generator, and further contains a compound having two or more functional groups that form a covalent bond with an acid generated from the component (D) which is the component (G). - (D)成分がキノンジアジド化合物である請求項1または請求項2に記載の感光性樹脂組成物。 The photosensitive resin composition according to claim 1, wherein the component (D) is a quinonediazide compound.
- (D)成分がキノンジアジド化合物であり、上記(Z1)及び(Z2)の何れかを満足する請求項3に記載の感光性樹脂組成物。 The photosensitive resin composition according to claim 3, wherein the component (D) is a quinonediazide compound and satisfies any one of the above (Z1) and (Z2).
- (A)成分がさらにフェニル基を有する請求項1乃至5のいずれか一項に記載の感光性樹脂組成物。 The photosensitive resin composition according to claim 1, wherein the component (A) further has a phenyl group.
- (A)成分のポリシロキサンの数平均分子量がポリスチレン換算で1,000乃至100,000である上記6に記載の感光性樹脂組成物。 (A) The photosensitive resin composition of said 6 whose number average molecular weight of polysiloxane of a component is 1,000 thru | or 100,000 in polystyrene conversion.
- (B)成分のアルカリ可溶性樹脂の数平均分子量がポリスチレン換算で2,000乃至50,000である請求項1乃至7のいずれか一項に記載の感光性樹脂組成物。 The photosensitive resin composition according to claim 1, wherein the alkali-soluble resin (B) has a number average molecular weight of 2,000 to 50,000 in terms of polystyrene.
- (B)成分100質量部に対して0.1~20質量部の(A)成分を含有することを特徴とする請求項1乃至8のいずれか一項に記載の感光性樹脂組成物。 9. The photosensitive resin composition according to any one of claims 1 to 8, which comprises 0.1 to 20 parts by mass of component (A) with respect to 100 parts by mass of component (B).
- (A)成分と(B)成分の合計100質量部に対して、(D)成分が5乃至100質量部であることを特徴とする請求項1乃至9のいずれか一項に記載の感光性樹脂組成物。 The photosensitive property according to any one of claims 1 to 9, wherein the component (D) is 5 to 100 parts by mass with respect to 100 parts by mass of the total of the component (A) and the component (B). Resin composition.
- (A)成分と(B)成分の合計100質量部に対して、(E)成分が1乃至50質量部であることを特徴とする請求項3乃至10のいずれか一項に記載の感光性樹脂組成物。 The photosensitive property according to any one of claims 3 to 10, wherein the component (E) is 1 to 50 parts by mass with respect to a total of 100 parts by mass of the component (A) and the component (B). Resin composition.
- 請求項1乃至11のいずれか一項に記載の感光性樹脂組成物を用いて得られる硬化膜。 The cured film obtained using the photosensitive resin composition as described in any one of Claims 1 thru | or 11.
- 請求項12に記載の硬化膜を有する表示素子。 A display element having the cured film according to claim 12.
- 請求項12に記載の硬化膜を画像形成用隔壁として有する表示素子。 A display element comprising the cured film according to claim 12 as an image forming partition.
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