WO2007141829A1 - 感光性樹脂および感光性樹脂組成物 - Google Patents
感光性樹脂および感光性樹脂組成物 Download PDFInfo
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- WO2007141829A1 WO2007141829A1 PCT/JP2006/311076 JP2006311076W WO2007141829A1 WO 2007141829 A1 WO2007141829 A1 WO 2007141829A1 JP 2006311076 W JP2006311076 W JP 2006311076W WO 2007141829 A1 WO2007141829 A1 WO 2007141829A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/14—Esterification
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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
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
- C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
- C08F220/283—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing one or more carboxylic moiety in the chain, e.g. acetoacetoxyethyl(meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/006—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers provided for in C08G18/00
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/10—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers containing more than one epoxy radical per molecule
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/08—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated side groups
- C08F290/12—Polymers provided for in subclasses C08C or C08F
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F290/00—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups
- C08F290/08—Macromolecular compounds obtained by polymerising monomers on to polymers modified by introduction of aliphatic unsaturated end or side groups on to polymers modified by introduction of unsaturated side groups
- C08F290/14—Polymers provided for in subclass C08G
- C08F290/144—Polymers containing more than one epoxy group per molecule
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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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/14—Polycondensates modified by chemical after-treatment
- C08G59/1433—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds
- C08G59/1438—Polycondensates modified by chemical after-treatment with organic low-molecular-weight compounds containing oxygen
- C08G59/1455—Monocarboxylic acids, anhydrides, halides, or low-molecular-weight esters thereof
- C08G59/1461—Unsaturated monoacids
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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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/14—Polycondensates modified by chemical after-treatment
- C08G59/1494—Polycondensates modified by chemical after-treatment followed by a further chemical treatment thereof
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/22—Absorbing filters
- G02B5/223—Absorbing filters containing organic substances, e.g. dyes, inks or pigments
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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
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
- G03F7/032—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with 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
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
- G03F7/032—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders
- G03F7/033—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders the binders being polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
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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
- G03F7/038—Macromolecular compounds which are rendered insoluble or differentially wettable
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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
- G03F7/038—Macromolecular compounds which are rendered insoluble or differentially wettable
- G03F7/0388—Macromolecular compounds which are rendered insoluble or differentially wettable with ethylenic or acetylenic bands in the side chains of the photopolymer
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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
- G03F7/039—Macromolecular compounds which are photodegradable, e.g. positive electron resists
- G03F7/0392—Macromolecular compounds which are photodegradable, e.g. positive electron resists the macromolecular compound being present in a chemically amplified positive photoresist composition
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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
- G03F7/0758—Macromolecular compounds containing Si-O, Si-C or Si-N bonds with silicon- containing groups in the side chains
Definitions
- the present invention relates to a photosensitive resin and a photosensitive resin composition. More specifically, it has a skeleton derived from rosin in the side chain, and can form a cured coating film with excellent adhesion and heat resistance to various materials and a photosensitive resin containing the same resin.
- the present invention relates to a resin composition.
- active energy line curable resins that can be cured with active energy rays such as ultraviolet rays or electron beams in fields related to printing, paints, adhesives, and liquid crystals. Is widely used.
- Patent Document 3 discloses that (meth) acrylic acid is reacted with a part of the epoxy group of the resin and then unsaturated.
- a silicone-modified epoxy resin obtained by reacting a silicone compound having a group has been proposed.
- Patent Document 4 proposes a photoresist comprising a polymer having an epoxy group in the side chain obtained by radical polymerization of a radical polymerizable monomer having an epoxy group and the following polymer. ing.
- a radical polymerizable having a carboxyl group Radical copolymerization of monomer and acrylate, etc. and a compound such as glycidinole (meth) acrylate is added to the side chain carboxylate of the resulting copolymer to make the side chain unsaturated.
- the (co) polymer containing a radical polymerizable monomer having an epoxy group as a unit is reacted with (meth) acrylic acid, and a polybasic acid anhydride is further added to the (co) polymer, epoxy acrylate.
- (Co) polymers with added polybasic acid anhydrides, maleic anhydride polymers with compounds such as glycidyl (meth) acrylate and side chains made into unsaturated groups are used. .
- Epoxy acrylates have a problem with the dispersion stability of pigments or dyes.
- acrylic copolymers containing methacrylic acid and benzyl methacrylate, hydroxyethyl methacrylate, butyl methacrylate, etc. have been used.
- the heat resistance is not sufficient, and thermal decomposition products are generated as outgas in the heating process at the time of pattern fixation, which contaminates the substrate and equipment.
- Patent Document 8 if an acrylic copolymer using alicyclic cyclohexyl methacrylate is used to increase heat resistance, problems such as peeling may occur during pattern ungulation when the adhesion to the substrate is insufficient.
- each of the above publications does not describe improving the characteristics of the photosensitive resin by further modifying a resin having a skeleton derived from rosin in the side chain.
- Patent Document 1 Japanese Patent Publication No. 56-40329
- Patent Document 2 Japanese Patent Laid-Open No. 61-243869
- Patent Document 3 Japanese Patent Laid-Open No. 6-19134
- Patent Document 4 JP-A-8-211611
- Patent Document 5 JP-A-10-101770
- Patent Document 6 Japanese Unexamined Patent Publication No. 2001-247649
- Patent Document 7 JP 2001-89533 A
- Patent Document 8 JP-A-9 278842
- Patent Document 9 JP-A-6-100641
- Patent Document 10 JP 2002-289039 A
- Patent Document 11 Japanese Patent Laid-Open No. 2003-248307
- Patent Document 12 Japanese Patent Application Laid-Open No. 2004-204103
- the present inventors have conducted intensive studies, and as a result, further modified a resin having a skeleton derived from rosin in the side chain, thereby improving adhesion to the substrate and heat resistance.
- the present inventors have found that a photosensitive resin and a photosensitive resin composition that have sufficient properties and have less outgassing during heating can be obtained.
- the first of the present invention is a rosin (meth) acrylate (a) 5 to 30 mol%, a radical polymerizable compound (b) 30 to 85 mol% having an epoxy group, and copolymerizable therewith (a ) And (b) radically polymerizable compounds (c) 10 to 65 mol% are copolymerized in such an amount that the total amount becomes 100 mol% (hereinafter referred to as copolymer 1). 10 to 100% of the epoxy group in the mixture is reacted with unsaturated monobasic acid (d), then 5 to 100% of the hydroxyl group.
- a photosensitive resin obtained by reacting a polybasic acid anhydride (e) (hereinafter referred to as photosensitive resin 1) is provided.
- the second aspect of the present invention is that rosin (meth) atarylate (a) 5 to 30 mol%, unsaturated monobasic acid (d) 20 to 60 monole%, and radicals other than (a) and (d)
- the polymerizable compound (c) is copolymerized in an amount of 10 to 75 mol% so that the total amount becomes 100 mol%, and 5 to 5 of the carboxyl group in the obtained copolymer (hereinafter referred to as copolymer 2).
- a photosensitive resin hereinafter referred to as photosensitive resin 2 obtained by reacting a radically polymerizable compound (b) having an epoxy group with 80% is provided.
- a third aspect of the present invention is a photosensitive resin composition containing the photosensitive resin 1 and / or 2 and the reactive diluent (f) as essential components, and optionally containing a solvent (g). It is provided.
- the fourth aspect of the present invention provides a photosensitive resin composition further containing a solvent (g).
- Photosensitive resin 1 has a skeleton derived from the monomer components (a), (b) and (c) in the side chain, and the copolymerization ratio thereof is (a) 5 to 30 mol%, preferably 5 25 Monore%, further good preferred, 10-25 Monore 0/0, (1)) 30 to 85 Monore%, preferably 30 to 70 Monore 0/0, more preferably ⁇ Also, 40-60 Monore 0 / 0, and (c) 10 to 65 Monore 0/0, preferably ⁇ or, 20-55 Monore 0/0, more preferably an 25-50 Monore 0/0, the sum is 100 mol 0/0 is there.
- This radical copolymer of components (a), (b) and (c) is copolymer 1.
- the component (a) is 5 mol% or more, the adhesion of the coating film formed from the photosensitive resin 1 to the substrate and the heat resistance are improved by introducing the rosin skeleton. By setting it to 30 mol% or less, the viscosity of the resin is prevented from becoming high. When the viscosity of the resin increases, in order to reduce the viscosity, it is necessary to increase the amount of reactive diluent (f) and solvent (g) described later, and control and cure the product characteristics. Sexual control becomes difficult.
- component (b) By setting the amount of component (b) to 30 to 85 mol%, the amount of epoxy group introduced, that is, the amount of unsaturated group derived from unsaturated monobasic acid as component (d) described later can be reduced. To control The curability of the photosensitive resin 1 can be controlled. By setting the ratios of component (a) and component (b) as described above, component (c) can be appropriately selected within the range of 10 to 65 mol%.
- the photosensitive resin 1 is obtained by radically copolymerizing the above (a), (b) and (c) to form the copolymer 1, and then using an unsaturated monobasic acid as the component (d). It is obtained by reacting and then reacting with an anhydrous polybasic acid as component (e).
- the carboxyl group of the unsaturated monobasic acid as component (d) reacts with the side chain epoxy group derived from component (b) to open an epoxy group, forming a hydroxyl group and at the end.
- An unsaturated group is added.
- the polybasic anhydride, which is component (e) is composed of a hydroxyl group produced by the reaction of the carboxyl group in component (d) with the side chain epoxy group derived from component (b) and rosin (a) It reacts with the hydroxyl group originally present in the rosin skeleton of (meth) acrylate, and the acid anhydride group is opened to be converted to a carboxynole group.
- the amount of unsaturated monobasic acid used as component (d) is 10 to 100 mol, preferably 100 mol, preferably 100 mol of the side chain epoxy group derived from component (b).
- the amount of unsaturated monobasic acid used By setting the amount of unsaturated monobasic acid used to 10 mol or more, the minimum amount of unsaturated groups necessary for the resin to cure can be introduced, and the amount of unsaturated monobasic acid used is 100 mol. By making the following, the amount of unreacted unsaturated monobasic acid in the resulting photosensitive resin 1 of the present invention can be reduced.
- the amount of polybasic anhydride used as the component (e) to be reacted next was generated by the reaction of the carboxyl group in the component (d) with the side chain epoxy group derived from the component (b).
- the total amount of the hydroxyl group is 100 to 100 mol, preferably 10 to 90 monore, more preferably 20 to 90 monore. It is.
- the acid value of the resulting photosensitive resin 1 is controlled to be in the range of 20 to 150 KOHmg / g. Can be spoken. The explanation of the acid value will be given simultaneously in the explanation part of the photosensitive resin 2 described later.
- the radical copolymerization reaction for obtaining the copolymer 1 is not particularly limited and has been conventionally performed.
- the usual radical polymerization method can be applied.
- glycol ether-type melamine lj such as propylene glycol monomethyl ether and propylene glycol monomethyl ether acetate
- hydrocarbon-type such as toluene and xylene
- functional groups such as ethyl acetate
- An organic solvent solution of copolymer 1 is obtained by mixing a polymerization initiator such as xanoate and allowing the mixture to reflux for about 1 to 20 hours at about 50 to 130 ° C.
- the amount of the polymerization initiator used is usually about 0.5 to 20 parts by mass, preferably 1.0 to 10 parts by mass with respect to 100 parts by mass of the total amount of components (a), (b) and (c). It is.
- Bulk polymerization may be performed using only the components (a), (b) and (c) and the polymerization initiator without using an organic solvent.
- the amount of organic solvent used is usually 100 parts by weight of the total amount of components (a), (b) and (c).
- Power S can be.
- an abnormal polymerization reaction can be prevented, a stable polymerization reaction can be allowed to proceed, and the resin can be prevented from being colored or gelled.
- the photosensitive resin 1 of the present invention is mainly used as an electronic material such as a resist as a photosensitive resin composition in which a reactive diluent and a solvent described later are mixed, the copolymer 1 is converted into a radical copolymer as described above.
- a glycol ester solvent such as propylene glycol monomethyl ether acetate is preferably used.
- the photosensitive resin 1 of the present invention is obtained by reacting the hydroxyl group of the copolymer la with a polybasic acid anhydride as the component (e).
- the reaction between the hydroxyl group of copolymer la and the polybasic acid anhydride is obtained by reacting the unsaturated monobasic acid as component (d) with the side chain epoxy group derived from component (b) in copolymer 1 above.
- the desired amount of the component (e) is added as it is, and it is usually heated at about 50 to 150 ° C, preferably 80 to 130 ° C. There is no need to add a new catalyst.
- the rosin (meth) atalylate as the component (a) is added to a carboxyl group present in abietic acid or the like, for example, glycidyl (meth) atalylate or 3,4-epoxycyclohexane.
- An unsaturated compound having an epoxy group such as hexylmethyl (meth) acrylate is reacted to introduce a (meth) attalyloyl group which is an unsaturated group.
- Representative examples include rosin-modified glycidyl (meth) atelate represented by the following formulas (1) and (2).
- R 1 is a hydrogen atom or a methyl group
- R 2 is a single bond or an alkylene group that may have a straight chain or branched chain having 1 to 30 carbon atoms. is there.
- R 1 is a hydrogen atom and R 2 is a single bond are most readily available.
- rosin-modified cyclohexylmethyl (meth) acrylate represented by the following formula (3) or (4) can be mentioned.
- R 1 is a hydrogen atom or a methyl group.
- rosin is a natural product and its components differ slightly depending on the place of production, it is usually a mixture of abietic acid, neoabietic acid, parastrinic acid, levopimaric acid, dehydroabietic acid, dihydroabietic acid, tetrahydroabietic acid, and the like. Usually, it is said that the content of abietic acid and neoabietic acid and their dihydroxy compounds is the highest.
- R 2 when R 2 is a single bond, it is a glycidyl (meth) acrylate of abietic acid.
- formula (2) when R 2 is a single bond, a glycidyl of neo abietic acid (meta ) Atarirate.
- rosin (meth) acrylates are commercially available.
- Arakawa Chemical's 2-hydroxypropyl dehydroabietic acid acrylate “Beamset 101”, “Beamset 102”, “Beamset 115”, Examples include Nakamura Chemical's “K1000A” and “UNIRESIN K900B”.
- Radical polymerization having an epoxy group as component (b) in the photosensitive resin 1 of the present invention is not particularly limited, and for example, glycidyl (meth) acrylate, 3,4-epoxycyclohexylmethyl (meth) acrylate with alicyclic epoxy, and its rataton adduct [eg, Daicel Chemical Industries, Ltd. Cyclomer A200, M100], 3,4-epoxycyclohexylmethyl 1 ', 4' _Epoxycyclohexanecarboxylate mono (meth) acrylate, dicyclopentyl (meth) acrylate And epoxidized dicyclopentuloxychetyl (meth) acrylate, etc. From the availability of raw materials, glycidyl (meth) acrylate and 3,4_epoxycyclohexylmethyl (meta ) Atallate is preferably used. One or more of these may be used in combination.
- the radical polymerizable compound other than (a) and (b) which are components (c) in the photosensitive resin 1 of the invention is not particularly limited as long as it has an ethylenically unsaturated group.
- Specific examples include styrene, ⁇ -, o-, m-, p-anolequinoles, nitro, cyano, amide derivatives of styrene; gens such as butadiene, 2,3-dimethylbutadiene, isoprene, and black-opened planes; methyl (Meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, iso-propyl (meth) acrylate, n-butyl (meth) acrylate, sec- butyl (meth) acrylate, tert —Butyl (meth) acrylate, pentyl (meth) acrylate, neopentyl (meth)
- One or more of these may be used in combination.
- the unsaturated monobasic acid as component (d) in the photosensitive resin 1 of the present invention is not particularly limited, and examples thereof include (meth) acrylic acid, crotonic acid, cinnamic acid and the like. it can.
- polyfunctional (meth) atrelates having one hydroxyl group and one or more (meth) atarylloyl groups for example, hydroxyethyl (meth) acrylate, hydroxypropyl (meth) acrylate, hydroxybutyl (meth) acrylate) Rate, trimethylolpropane di (meth) acrylate, etc.
- a reaction product of a polybasic acid anhydride, etc. can also be used. One or more of these may be used in combination.
- (meth) acrylic acid is preferably used. These may be used alone or in combination of two or more.
- the polybasic acid anhydride as the component (e) in the photosensitive resin 1 of the present invention is not particularly limited, and examples thereof include succinic anhydride, maleic anhydride, citraconic anhydride, and itacon anhydride. Acid, phthalic anhydride, tetrahydrophthalic anhydride, methyltetrahydrophthalic anhydride, hexahydrophthalic anhydride, trimellitic anhydride, pyromellitic anhydride, and the like.
- tetrahydrophthalic anhydride and succinic anhydride are preferably used. One or more of these may be used in combination.
- Copolymer 2 which is a precursor of photosensitive resin 2 has a skeleton derived from the same monomer components (a), (c) and (d) as those used in photosensitive resin 1 in the side chain. has its copolymerization ratio is (a) 5 to 30 mole 0/0, preferably 5-25 Monore 0/0, more preferably, 10 to 25 Monore 0/0, (d) power 20 60 Monore 0/0, preferably 30-55 Monore 0/0, more preferably, 40-50 mole 0/0, and (c) 10 to 75 mole 0/0, preferably, 20 to 65 mole 0 / 0, more preferably, 25 to 50 Monore 0/0, a, the sum is 100 mol 0/0.
- the component (a) in the photosensitive resin 2 is the same as that used in the photosensitive resin 1, and the reason for setting its use molar ratio to 5 to 30 mol% is the same as in the case of the photosensitive resin 1.
- the component (d) in the photosensitive resin 2 is also the same compound as that used in the photosensitive resin 1, but its role is different from that of the photosensitive resin 1, and the copolymer 2 is in the radical copolymerization stage. It is used to allow a carboxyl group to be present in the side chain. Therefore, (d) the amount of Ingredient is different from the case of the photosensitive resin 1, rosin (meth) (d) component with respect to 5 to 30 mole 0/0 Atari rate (a) is 20 60 is the ratio of the mole 0/0.
- the component (c) in the photosensitive resin 2 is the same as that used in the photosensitive resin 1, and the reason for setting its use molar ratio to 10 to 75 mol% is the same as that in the photosensitive resin 1. In other words, the above range is inevitably determined by the ratio of component (a) and component (d).
- the radical copolymerization for producing the copolymer 2 is carried out under the same conditions as the radical copolymerization for producing the copolymer 1 except that the molar ratios of the respective components are different.
- the copolymer 2 produced as described above has a carboxyl group in the side chain, and is a radical polymerizable compound having an epoxy group as component (b) in this carboxyl group. To convert a part of the carboxyl group into an unsaturated group.
- the amount of the radically polymerizable compound having an epoxy group as the component (b) is 5 to 80 mol with respect to 100 mol of the carboxyl group present in the side chain of the copolymer 2. 5 to 80 moles
- Conditions for the reaction of the radically polymerizable compound having the epoxy group (b) with the carboxyl group in the copolymer 2 are the same as those for the epoxy group of the copolymer 1 except for the molar ratio of each component (d). The conditions are the same as in the case of reacting the component unsaturated monobasic acid.
- the acid value CFIS K 6901) of the obtained photosensitive resin 1 and photosensitive resin 2 can be controlled in the range of 20 to 150 KOHmg / g, and the resin is applied to the substrate. It is possible to control the developability with alkali performed after the treatment. By setting the acid value to 20 KOHmg / g or more, it is possible to prevent deterioration of developability due to alkali. By setting the acid value to 150 KOHmg / g or less, patterning can be performed reliably.
- the acid value is preferably 30 to: 140 KOH mg / g, more preferably 40 to 130 KOH mg / g.
- the weight average molecular weight (a numerical value in terms of polystyrene by GPC method) is usually 3000 to 100000, preferably 5000 ⁇ 40000.
- the weight average molecular weight is 3000 or more, heat resistance is prevented from being deteriorated, and when it is 100000 or less, developability is prevented from being lowered.
- a photosensitive resin composition is obtained by adding a reactive diluent (f) and, if necessary, a solvent (g) to the photosensitive resin 1 and / or the photosensitive resin 2 obtained as described above. It is
- the reactive diluent (f) that can be used is not particularly limited as long as it can react with the photosensitive resin 1 and / or the photosensitive resin 2.
- Aromatic butyl monomers such as diarylbenzenephosphonate; polycarboxylic acid monomers such as butyl acetate and adipate butyl; methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate , Butyl (meth) acrylate, ⁇ -hydroxyethyl (meth) acrylate, hydroxypropyl (meth) acrylate, ethylene glycol di (meth) ) Atarylate, diethylene glycol di (meth) acrylate, propylene glycol di (meth) acrylate, ethylene glycol di (meth) acrylate, trimethylol propane di (meth) acrylate, trimethylol propane tri (meth) acrylate, (Meth) acrylic monomers such as penta (erythritol) tetra (meth) acrylate, dipentaerythritol hex (meth) acrylate,
- the addition amount of the reactive diluent (f) is usually 10 to 200 parts by mass, preferably 20 to 150 parts by mass with respect to 100 parts by mass of the photosensitive resin 1 and / or the photosensitive resin 2.
- the photocurability can be maintained in an appropriate range, and the viscosity can be adjusted.
- a solvent (g) can be further used to reduce the viscosity.
- the solvent (g) that can be used can be used without limitation as long as it is an inert solvent that does not react with the photosensitive resin 1 and / or the photosensitive resin 2 and the reactive diluent (f).
- Solvents (g) that can be used include propylene glycol monomethyl ether, propylene glycol monomethyl ether acetate, dipropylene glycol monomethyl ether acetate, ethyl acetate, butyl acetate, isopropyl acetate, propylene glycol monomethylenoate, dipropylene glycol monomethylenolate Tenoré, tripropylene glycolenole monomethylenoatenore, ethyleneglycolonemonomethylenotenole, diethyleneglycolanol monomethyl ether, methylethylketone, methylisobutylketone, cyclohexanone, ethyleneglycolenomonoethylenoatenoacetate And diethyleneglycol
- the amount of addition force of the solvent (g) is usually 30 to 1000 mass%, preferably 50 to 800 mass% with respect to 100 mass parts of the photosensitive resin 1 and / or the photosensitive resin 2. .
- the photosensitive resin composition of the present invention uses active light such as ultraviolet rays as active energy rays.
- a photopolymerization initiator can be added.
- the photopolymerization initiator include, but are not limited to, for example, benzoin such as benzoin, benzoin methyl ether, and benzoin ethyl ether and alkyl ethers thereof; acetophenone, 2,2-dimethoxy _ 2_ Acetophenones such as phenylacetophenone, 1,1-dichloroacetophenone, 4_ (1_t-butyldioxy-1-methylethyl) acetophenone; 2—methylanthraquinone, 2_amylanthraquinone, 2_t-butylanthraquinone, 1— Anthraquinones such as chloroanthraquinone; thioxanthones such as 2,4_dimethylthi
- the compounding amount of the photopolymerization initiator is usually from 0.:! To 30 parts by mass, preferably from 0.5 to 20 parts by mass with respect to 100 parts by mass of the solid content in the photosensitive resin composition of the present invention. More preferably, it is:! -10 mass parts.
- the photocurability can be maintained within an appropriate range.
- the photosensitive resin composition of the present invention can contain a known colorant, antifoaming agent, coupling agent, leveling agent, and the like, if necessary.
- the photosensitive resin 1 and the photosensitive resin 2 of the present invention have an acid value of 20 to 150 KOH mg / g, resists using the photosensitive resin composition containing them have alkaline water solutions. Can be used for development.
- the photosensitive resin composition of the present invention is, for example, a screen printing method on a printed wiring board.
- Examples of the alkaline aqueous solution used for development include sodium carbonate, potassium carbonate, and carbonate carbonate.
- Aminophenolic compounds are also useful in aqueous solutions and amines such as shim and sodium hydroxide, but p_phenylenediamine compounds are preferably used, and representative examples include 3_methyl_4-amino_N, N —Jetylaniline, 3_Methyl _4—Amino N-Ethyl-N- ⁇ -Hydroxyethylaniline, 3_Methyl _4—Amino ⁇ —Ethyl _ ⁇ _ ⁇ —Methanesulfonamidoethylaniline, 3-Methyl Examples include 4-aminoamino-ethyl- ⁇ -methoxyethylaniline and aqueous solutions of these sulfates, hydrochlorides, or ⁇ _toluenesulfonates.
- a low-pressure mercury lamp As a light source used for curing the coated surface by light irradiation, a low-pressure mercury lamp, a medium-pressure mercury lamp, a high-pressure mercury lamp, a xenon lamp, a metahalide lamp, or the like is used.
- a light source used for curing the coated surface by light irradiation a low-pressure mercury lamp, a medium-pressure mercury lamp, a high-pressure mercury lamp, a xenon lamp, a metahalide lamp, or the like is used.
- the molecular weight of the copolymer is a weight average molecular weight (Mw) in terms of polystyrene measured by GPC (gel permeation chromatography).
- Synthesis example The solutions of photosensitive resins obtained in! To 8 were used in Examples:! To 8, respectively, and the solutions of photosensitive resins obtained in Synthesis examples 1 to 4 were used in Comparative examples 1 to 4, respectively. used.
- Resin composition prepared by adding 30 parts of pentaerythritol tetraacrylate and 4 parts of 2,2-dimethoxy_2-phenylacetophenone as a photopolymerization initiator to 100 parts of the solid content of each photosensitive resin solution Is applied onto a glass substrate with an applicator at a wet thickness of 10 ⁇ m, and low-boiling substances are volatilized in a 100 ° C hot-air dryer, and then an ultra-high pressure silver lamp manufactured by Oak Manufacturing Co., Ltd. is used.
- the film was exposed through a mask at 150 mJ / cm 2 to obtain a cured film having a thickness of 2 xm, and then subjected to alkali development.
- TGA thermogravimetric analysis
- ⁇ Adhesion> The cured coating film was subjected to a cross cut test according to JIS K5400, and the peeled state of 100 cross cuts was visually observed and evaluated according to the following criteria.
- the cured coating film exposed through a mask was spray-developed with a 0.1% sodium carbonate aqueous solution at 23 ° C, and the presence or absence of the coating film after water washing was observed.
- the cured coating film formed from the photosensitive resin of the present invention is particularly excellent in adhesion to a semiconductor substrate. Because it has alkali developability, its utility value in the resist field is extremely high.
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JP2008520070A JP5060474B2 (ja) | 2006-06-02 | 2006-06-02 | 感光性樹脂および感光性樹脂組成物 |
CN2006800548081A CN101448862B (zh) | 2006-06-02 | 2006-06-02 | 感光性树脂及感光性树脂组合物 |
PCT/JP2006/311076 WO2007141829A1 (ja) | 2006-06-02 | 2006-06-02 | 感光性樹脂および感光性樹脂組成物 |
KR1020087028846A KR101269756B1 (ko) | 2006-06-02 | 2008-11-25 | 감광성 수지 및 감광성 수지 조성물 |
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WO2017154660A1 (ja) * | 2016-03-09 | 2017-09-14 | 株式会社カネカ | ラジカル硬化性組成物およびその硬化物 |
JP2019112617A (ja) * | 2017-12-22 | 2019-07-11 | 住友化学株式会社 | 化合物、樹脂、レジスト組成物及びレジストパターンの製造方法 |
JP2019196479A (ja) * | 2018-05-07 | 2019-11-14 | 荒川化学工業株式会社 | 樹脂、ワニス組成物、印刷インキ及び印刷物 |
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KR101495533B1 (ko) * | 2010-12-21 | 2015-02-25 | 동우 화인켐 주식회사 | 스페이서 형성용 감광성 수지 조성물, 이를 이용하여 제조된 표시 장치용 스페이서 및 이를 포함하는 표시 장치 |
CN105061671A (zh) * | 2015-07-30 | 2015-11-18 | 新东方油墨有限公司 | 一种led用液态感光阻焊树脂及其制备方法 |
CN105669892B (zh) * | 2016-03-17 | 2019-07-26 | 上海昭和高分子有限公司 | 一种溶剂型共聚树脂及其组合物 |
CN106905151B (zh) * | 2017-03-24 | 2020-04-03 | 惠州市华泓新材料有限公司 | 一种改性松香树脂、制备方法及采用该改性松香树脂的油墨 |
CN107459608B (zh) * | 2017-09-14 | 2020-03-24 | 中国林业科学研究院林产化学工业研究所 | 一种丙烯酸松香基高分子表面活性剂及其制备方法和用途 |
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CN101448862B (zh) | 2011-12-14 |
JP5060474B2 (ja) | 2012-10-31 |
KR101269756B1 (ko) | 2013-05-30 |
JPWO2007141829A1 (ja) | 2009-10-15 |
CN101448862A (zh) | 2009-06-03 |
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