WO2018049976A1 - 芴类光引发剂、其制备方法、具有其的光固化组合物及其在光固化领域的应用 - Google Patents
芴类光引发剂、其制备方法、具有其的光固化组合物及其在光固化领域的应用 Download PDFInfo
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- WO2018049976A1 WO2018049976A1 PCT/CN2017/099294 CN2017099294W WO2018049976A1 WO 2018049976 A1 WO2018049976 A1 WO 2018049976A1 CN 2017099294 W CN2017099294 W CN 2017099294W WO 2018049976 A1 WO2018049976 A1 WO 2018049976A1
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- WIPO (PCT)
- Prior art keywords
- group
- photoinitiator
- formula
- cycloalkyl
- acrylate
- Prior art date
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- 125000000217 alkyl group Chemical group 0.000 claims abstract description 58
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- 125000000008 (C1-C10) alkyl group Chemical group 0.000 claims abstract description 16
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- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 8
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- UHESRSKEBRADOO-UHFFFAOYSA-N ethyl carbamate;prop-2-enoic acid Chemical compound OC(=O)C=C.CCOC(N)=O UHESRSKEBRADOO-UHFFFAOYSA-N 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 6
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- 125000001072 heteroaryl group Chemical group 0.000 claims description 6
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- KCTAWXVAICEBSD-UHFFFAOYSA-N prop-2-enoyloxy prop-2-eneperoxoate Chemical group C=CC(=O)OOOC(=O)C=C KCTAWXVAICEBSD-UHFFFAOYSA-N 0.000 claims description 6
- 238000012719 thermal polymerization Methods 0.000 claims description 6
- CNHDIAIOKMXOLK-UHFFFAOYSA-N toluquinol Chemical compound CC1=CC(O)=CC=C1O CNHDIAIOKMXOLK-UHFFFAOYSA-N 0.000 claims description 6
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- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 claims description 6
- 125000005913 (C3-C6) cycloalkyl group Chemical group 0.000 claims description 5
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- 125000006736 (C6-C20) aryl group Chemical group 0.000 claims description 4
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 claims description 4
- KTXWGMUMDPYXNN-UHFFFAOYSA-N 2-ethylhexan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCCC(CC)C[O-].CCCCC(CC)C[O-].CCCCC(CC)C[O-].CCCCC(CC)C[O-] KTXWGMUMDPYXNN-UHFFFAOYSA-N 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical class [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 4
- 230000031709 bromination Effects 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
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- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 4
- 239000013530 defoamer Substances 0.000 claims description 4
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- RLJWTAURUFQFJP-UHFFFAOYSA-N propan-2-ol;titanium Chemical compound [Ti].CC(C)O.CC(C)O.CC(C)O.CC(C)O RLJWTAURUFQFJP-UHFFFAOYSA-N 0.000 claims description 4
- VXUYXOFXAQZZMF-UHFFFAOYSA-N tetraisopropyl titanate Substances CC(C)O[Ti](OC(C)C)(OC(C)C)OC(C)C VXUYXOFXAQZZMF-UHFFFAOYSA-N 0.000 claims description 4
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims description 4
- WJFKNYWRSNBZNX-UHFFFAOYSA-N 10H-phenothiazine Chemical compound C1=CC=C2NC3=CC=CC=C3SC2=C1 WJFKNYWRSNBZNX-UHFFFAOYSA-N 0.000 claims description 3
- QUVMSYUGOKEMPX-UHFFFAOYSA-N 2-methylpropan-1-olate;titanium(4+) Chemical compound [Ti+4].CC(C)C[O-].CC(C)C[O-].CC(C)C[O-].CC(C)C[O-] QUVMSYUGOKEMPX-UHFFFAOYSA-N 0.000 claims description 3
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 claims description 3
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Classifications
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- 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
- G03F7/028—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with photosensitivity-increasing substances, e.g. photoinitiators
- G03F7/031—Organic compounds not covered by group G03F7/029
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C225/00—Compounds containing amino groups and doubly—bound oxygen atoms bound to the same carbon skeleton, at least one of the doubly—bound oxygen atoms not being part of a —CHO group, e.g. amino ketones
- C07C225/22—Compounds containing amino groups and doubly—bound oxygen atoms bound to the same carbon skeleton, at least one of the doubly—bound oxygen atoms not being part of a —CHO group, e.g. amino ketones having amino groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C323/00—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
- C07C323/22—Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups containing thio groups and doubly-bound oxygen atoms bound to the same carbon skeleton
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
- C07C45/46—Friedel-Crafts reactions
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/63—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
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- C07C45/64—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by introduction of functional groups containing oxygen only in singly bound form
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/20—Unsaturated compounds containing keto groups bound to acyclic carbon atoms
- C07C49/213—Unsaturated compounds containing keto groups bound to acyclic carbon atoms containing six-membered aromatic rings
- C07C49/215—Unsaturated compounds containing keto groups bound to acyclic carbon atoms containing six-membered aromatic rings polycyclic
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/03—Preparation of carboxylic acid esters by reacting an ester group with a hydroxy group
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- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
- C07C67/343—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C07C69/66—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety
- C07C69/73—Esters of carboxylic acids having esterified carboxylic groups bound to acyclic carbon atoms and having any of the groups OH, O—metal, —CHO, keto, ether, acyloxy, groups, groups, or in the acid moiety of unsaturated acids
- C07C69/738—Esters of keto-carboxylic acids or aldehydo-carboxylic acids
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/10—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms
- C07D295/104—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms with the ring nitrogen atoms and the doubly bound oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
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- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/10—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms
- C07D295/112—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by doubly bound oxygen or sulphur atoms with the ring nitrogen atoms and the doubly bound oxygen or sulfur atoms separated by carbocyclic rings or by carbon chains interrupted by carbocyclic rings
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- 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
- C08F2/00—Processes of polymerisation
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
- C08F2/50—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light with sensitising agents
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Definitions
- the present invention relates to the field of photocuring, and in particular to an anthraquinone photoinitiator, a process for the preparation thereof, a photocurable composition therewith and its use in the field of photocuring.
- Terpenoids have large molecular weights and their use in UV curing is well known in the art. Using it as a photoinitiator can overcome the problems faced by conventional small molecule photoinitiators. However, the problem faced by large molecular weight terpenoids is that the quinone initiator has a low quantum absorption rate for long wavelengths under light irradiation.
- the main object of the present invention is to provide a quinone photoinitiator, a preparation method thereof, a photocurable composition therewith and the use thereof in the field of photocuring to solve the problem that the photoinitiator has poor photoinitiation performance. problem.
- an aspect of the present invention provides a quinone-based photoinitiator having a structure represented by the formula (I), or a quinone-based photoinitiator comprising the structure represented by the formula (II):
- R 1 and R 1 ' are each independently selected from hydrogen, halogen, a linear or branched alkyl group of C 1 to C 20 , a cycloalkyl group of C 3 to C 8 , and C 3 ⁇ a cycloalkyl-substituted C 1 -C 10 alkyl group of C 8 or a C 2 -C 20 alkenyl group;
- R 2 and R 3 are each independently selected from a C 1 - C 20 linear or branched alkyl group; a C 3 -C 8 cycloalkyl group, a C 3 -C 8 cycloalkyl group substituted C 1 -C 10 alkyl group, or a C 6 -C 20 aryl group; or R 2 and R 3 are bonded to form C a cycloalkyl group of 3 to C 8 ;
- X is -A-(X') n , wherein A is selected from a hetero atom, the hetero atom
- R 5 and R 6 are each independently selected from any one of a hydrogen atom, a halogen and a chain group, and the chain group is a C 1 - C 20 linear alkyl group or a C 1 - C 20 branch.
- Ar is a substituent containing an aromatic ring or a heteroaromatic ring
- R 1 and R 1 ' are independently selected from hydrogen, halogen, C 1 - C 10 linear or branched alkyl or C 3 - C 8 cycloalkyl, C 3 - cycloalkyl substituted C C 8 1 ⁇ C 10 alkyl group; preferably, R 1 and R 1 'are independently selected from hydrogen, C linear or branched alkyl group of 1 ⁇ C 4, C 3 ⁇ C 6 cycloalkyl substituted with C 1 -C 3 alkyl.
- R 2 and R 3 are each independently selected from a C 1 - C 10 linear or branched alkyl group or a C 3 - C 8 cycloalkyl group, a C 3 - C 8 cycloalkyl group. a substituted C 1 -C 10 alkyl group; or R 2 and R 3 are bonded to form a C 3 -C 10 cycloalkyl group; preferably, R 2 and R 3 are each independently selected from a C 1 -C 4 linear chain Or a branched alkyl group, a C 4 -C 8 cycloalkylalkyl group; or R 2 and R 3 are bonded to form a C 3 -C 6 cycloalkyl group.
- X' is selected from a methyl group, an ethyl group, a cyclohexyl group or a cyclopentyl group.
- quinone photoinitiator represented by the formula (I) is selected from one or more of the following compounds:
- Another aspect of the present application also provides a method for preparing a quinone photoinitiator having the structure represented by the formula (I), which comprises: a bromination reaction: a raw material a, a brominated reagent and a first organic solvent The bromination reaction occurs to obtain the intermediate product b, and the starting material a has the structure represented by the formula (III).
- the intermediate product b has the structure of the formula (IV),
- Substitution reaction a substitution reaction is carried out using an intermediate product b, a substitution reagent and a second organic solvent to obtain a quinone photoinitiator, wherein R 1 and R 1 ' are each independently selected from the group consisting of hydrogen, halogen, and C 1 to C 20 a chain or branched alkyl group, a C 3 -C 8 cycloalkyl group, a C 3 -C 8 cycloalkyl substituted C 1 -C 10 alkyl group or a C 2 -C 20 alkenyl group; R 2 and R 3 C 1 to C 10 alkyl, C 6 independently selected from C 1 to C 20 linear or branched alkyl, C 3 -C 8 cycloalkyl, C 3 -C 8 cycloalkyl substituted An aryl group of -C 20 ; or R 2 and R 3 are bonded to form a C 3 -C 8 cycloalkyl group; R 4 is a hydroxyl group or an N-
- the brominated reagent is selected from one or more of the group consisting of N-bromosuccinimide, hydrobromic acid, bromine and dibromohydantoin; preferably, the substitution reagent is XONa, and X is -A-(X') n , wherein A is selected from a hetero atom, the hetero atom is selected from O, N or S, and X' is selected from a linear or branched alkyl group of C 1 - C 20 , C 3 - C 8 A cycloalkyl, C 3 -C 8 cycloalkyl substituted C 1 -C 10 alkyl group, or one or more of the carbon atoms in X' is substituted by a hetero atom, n being 1 or 2.
- the first organic solvent is a polar solvent, preferably propylene carbonate.
- the temperature of the bromination reaction is from 10 to 60 ° C, preferably 25 ° C.
- the second organic solvent is selected from one or more of the group consisting of dichloromethane, dichloroethane, benzene, and xylene.
- Still another aspect of the present application provides a coating composition comprising a photoinitiator and a photopolymerizable monomer, wherein the photoinitiator is an anthraquinone photoinitiator having a structure represented by the formula (I), and the photopolymerizable monomer is an alkenyl group.
- the photoinitiator is an anthraquinone photoinitiator having a structure represented by the formula (I)
- the photopolymerizable monomer is an alkenyl group.
- the photopolymerizable monomer is an acrylate compound; preferably, the photopolymerizable monomer is selected from the group consisting of an epoxy acrylate oligomer, a urethane acrylate oligomer, and a polyester acrylate oligomer. kind or more.
- the coating composition further comprises an auxiliary agent selected from the group consisting of a solvent, a surface conditioner, a sensitizer, a sensitizer, a curing accelerator, a photocrosslinking agent, a photosensitizer, a photosensitive resin, and the like.
- an auxiliary agent selected from the group consisting of a solvent, a surface conditioner, a sensitizer, a sensitizer, a curing accelerator, a photocrosslinking agent, a photosensitizer, a photosensitive resin, and the like.
- a dispersing aid a filler, an adhesion promoter, an antioxidant, a UV absorber, a deflocculant, a thermal polymerization inhibitor, an antifoaming agent, a leveling agent, a surfactant, and a chain transfer agent Or a variety.
- Still another aspect of the present application provides an ink composition
- a photoinitiator comprising a photoinitiator, a photopolymerizable monomer and a pigment
- the photoinitiator is an anthraquinone photoinitiator having a structure represented by the formula (I)
- the photopolymerizable monomer is Alkenyl-containing compounds and/or epoxy compounds.
- the photopolymerizable monomer is an acrylate compound; preferably, the photopolymerizable monomer is selected from the group consisting of an epoxy acrylate oligomer, a urethane acrylate oligomer, and a polyester acrylate oligomer. kind or more.
- the ink composition further comprises an auxiliary agent selected from the group consisting of a solvent, a surface conditioner, a sensitizer, a curing accelerator, a photocrosslinking agent, a sensitizer, a photosensitizer, a photosensitive resin, and the like.
- an auxiliary agent selected from the group consisting of a solvent, a surface conditioner, a sensitizer, a curing accelerator, a photocrosslinking agent, a sensitizer, a photosensitizer, a photosensitive resin, and the like.
- a dispersing aid a filler, an adhesion promoter, an antioxidant, a UV absorber, a deflocculant, a thermal polymerization inhibitor, an antifoaming agent, a leveling agent, a surfactant, and a chain transfer agent Or a variety.
- the chain group is a C 1 -C 10 linear alkyl group, a C 1 -C 10 branched alkyl group or a C 4 -C 10 cycloalkylalkyl group.
- Ar is phenyl, methylphenyl, ethylphenyl, chlorophenyl, bromophenyl, methoxyphenyl, nitrophenyl, cyanophenyl, diphenyl Thioether group, pyridyl group, thienyl group, furyl group, 2-methyl-thienyl group, 3-methylthienyl group, furyl group, 2-methyl-furyl group or 3-methylfuranyl group.
- the quinone photoinitiator has a structure represented by the following formula (V):
- R 8 has n external linkages and is a C 1 -C 60 linear alkyl group or a branched alkyl group, or a C 1 -C 60 linear alkyl group or a branched alkyl group or any carbon or Hydrogen is replaced by oxygen, sulfur or phenyl;
- A represents a repeating unit having a structure of -(Q-CHR 9 ) m -, R 9 is hydrogen, methyl or ethyl, and Q represents O or a linker, wherein the linker represents -(CHR 9 ) m directly linked to O m is an integer from 1 to 6;
- n an integer of 1-20.
- R8 is selected from any one of the following groups: *CH 2 -CH 2 *, *CH 2 -CH 2 -CH 2 *, *CH 2 CH 2 CH 2 CH 2 *,
- A is selected from -[(Q-CHR 9 ) m ] y - wherein R 9 is hydrogen or methyl, m is an integer of 1 to 3, and y represents an integer of 1 to 9.
- n is an integer of from 1 to 8, preferably 1, 2, 3, 4, 5 or 6.
- Step S1 the raw material a having the structural formula A and the raw material b having the structural formula B are produced The reaction is carried out to obtain intermediate c having the structural formula C; optional step S2, intermediate c is subjected to a Friedel-Craft reaction with the starting material d having the structural formula D to obtain an intermediate e having the structural formula E; and optionally in the step S3, The transesterification reaction of the body e with an alcohol or a polyol having the structural formula F to obtain a quinone photoinitiator, wherein
- Structural formula A is Structural formula B is Wherein X 1 is a halogen and the structural formula C is Structural formula D is Wherein X 2 is halogen and the structural formula E is The structural formula F is R 8 (AOH) n .
- the Friedel-Crafts reaction of the step S1 and the step S2 is carried out in the presence of aluminum trichloride or zinc chloride and a solvent, and preferably the reaction temperatures of the Friedel-Crafts of the step S1 and the step S2 are each independently -10 to 40 °C.
- step S3 undergoes a transesterification reaction under the action of a catalyst and a polymerization inhibitor
- the catalyst is one or more titanate compounds, more preferably the catalyst is selected from the group consisting of titanyl-2-ethylhexylate and titanate
- the catalyst is selected from the group consisting of titanyl-2-ethylhexylate and titanate
- the molar ratio of the intermediate e to the alcohol or polyol having the structural formula F is n:1, preferably the weight of the catalyst is 3 to 10 ⁇ based on the total weight of the material, and more preferably the weight of the polymerization inhibitor is the material.
- the total weight is 3 to 10 Torr, and it is more preferable that the temperature of the transesterification reaction is 70 to 130 ° C and the reaction time is 1 to 8 hours.
- Another aspect of the present application provides a photocurable composition
- a photoinitiator which is an anthraquinone photoinitiator comprising a structure of formula (II).
- Another aspect of the present application provides an application of a quinone-based photoinitiator comprising the structure of the formula (II) in the field of photocuring.
- applications include applications in coatings, inks, adhesives, color photoresists, black matrices, photo spacers, rib gates, dry films, and/or semiconductor photoresists.
- introducing a new group on the existing ruthenium structure not only increases the molecular weight of the photoinitiator, but also improves the related performance of the photoinitiator initiation efficiency and the like.
- the existing photoinitiator has a problem of poor performance.
- the present invention provides a quinone type photoinitiator having a structure represented by the formula (I):
- R 1 and R 1 ' are each independently selected from hydrogen, halogen, C 1 -C 20 linear or branched alkyl, C 3 -C 8 cycloalkyl, C 2 -C 20 alkenyl Or a C 3 -C 8 cycloalkyl-substituted C 1 -C 10 alkyl group;
- R 2 and R 3 are each independently selected from a C 1 -C 20 linear or branched alkyl group, C 3 -C 8 a cycloalkyl group, a C 3 -C 8 cycloalkyl substituted C 1 -C 10 alkyl group or a C 6 -C 20 aryl group; or R 2 and R 3 are bonded to form a C 3 -C 8 ring Alkyl;
- X is -A-(X') n , wherein A is selected from a hetero atom, the hetero atom is O, N or S, and X' includes, but is not limited to, a C
- the quinone photoinitiator comprises the structure shown in formula (II):
- R 5 and R 6 are each independently selected from any one of a hydrogen atom, a halogen and a chain group, and the chain group is a C 1 - C 20 linear alkyl group or a C 1 - C 20 branch.
- the R 7 ' group is a group to which an alcohol or a polyol is linked by a transesterification reaction.
- the group containing a hetero atom N, S, O
- the hetero atom-containing substituent is advantageous for red shifting the absorption wavelength of the quinone compound, which can increase the initiation efficiency of the compound. This allows the photoinitiator to have a high quantum absorption rate under long-wavelength irradiation when a quinone compound containing a hetero atom substituent is used as a photoinitiator.
- the quinone photoinitiator comprising a group represented by the formula (II)
- a small molecule group is introduced into the side chain of the quinone compound, on the one hand, the molecular weight of the quinone compound is increased, and on the other hand, the initiator is
- the problems of initiation efficiency, yellowing resistance, non-migration, low odor, solubility, etc. can be better improved and balanced, and by applying the photosensitive composition, it is found that the quinone initiator is applied to the current routine.
- the photocurable formulation is well suited for curing UV-LED sources.
- the anthracene photoinitiator having the above substituent has a high quantum absorption efficiency for a long wavelength.
- R 1 and R 1 ' are independently selected from hydrogen, halogen, C 1 -C 10 linear or branched alkyl, or C 4 -C 10 cycloalkylalkyl; preferably, R 1 and R 1 ' independently includes, but is not limited to, hydrogen, a C 1 -C 4 linear or branched alkyl group, or a C 3 -C 6 cycloalkyl substituted C 1 -C 3 alkyl group.
- R 2 and R 3 are each independently selected from a C 1 -C 10 linear or branched alkyl group or a C 4 -C 10 cycloalkylalkyl group; or R 2 and R 3 are bonded to form C 3 - C 10 cycloalkyl.
- R 2 and R 3 are each independently selected from a C 1 -C 4 linear or branched alkyl group or a C 4 -C 8 cycloalkylalkyl group; or R 2 and R 3 are bonded to form C 3 - C 6 cycloalkyl.
- X' includes, but is not limited to, methyl, ethyl, cyclohexyl or cyclopentyl.
- the quinone photoinitiator of formula (I) includes, but is not limited to, one or more of the following organics;
- Another aspect of the present application also provides a method for preparing a quinone-based photoinitiator represented by the formula (I), which comprises the steps of: bromination: bromination of a raw material a, a brominated reagent and a first organic solvent The reaction is carried out to obtain an intermediate product b, and the starting material a has a structure represented by the formula (III).
- the intermediate product b has the structure of the formula (IV),
- Substitution reaction a substitution reaction is carried out using an intermediate product b, a substitution reagent, and a second organic solvent to obtain a quinone photoinitiator.
- the raw material a is obtained by a synthetic method disclosed in Patent No. 2015109373280, and other raw materials are known compounds in the prior art, which can be easily prepared by a commercially available product or by a known synthesis method. to make.
- the quinone photoinitiator of the present application can be obtained by the above two steps, and the reactions involved in the steps (1) and (2) are all reactions which are conventionally used in the prior art, and therefore, the preparation process is easy to realize and control.
- the reaction conditions of the bromination reaction and the substitution reaction can be carried out by referring to the conventional bromination reaction and substitution reaction of the prior art.
- the present application is directed to the above substrate, preferably, the bromination reagent includes, but is not limited to, one or more of the group consisting of N-bromosuccinimide, hydrobromic acid, bromine, and dibromohydantoin;
- the substitution reagent is XONa, and X is -A-(X') n , wherein A is selected from a hetero atom, the hetero atom is selected from O, N or S, and X' is selected from a linear or branched chain of C 1 - C 20
- One or more of an alkyl group, a C 3 -C 8 cycloalkyl group, a C 3 -C 8 cycloalkyl group-substituted C 1 -C 10 alkyl group, or a carbon atom in X' is Atom
- the reaction system is a preferred polar solvent system, and a Lewis acid is selectively added as a catalyst, and the first organic solvent is particularly preferably propylene carbonate; preferably, the temperature of the bromination reaction is 10 to 60 ° C, preferably 25 °C.
- the second organic solvent used in the substitution reaction may be a common organic solvent that does not participate in the reaction in the prior art.
- the second organic solvent includes, but is not limited to, dichloromethane, dichloroethane, One or more of the group consisting of benzene and xylene.
- An aspect of the present application provides a coating composition comprising a photoinitiator and a photopolymerizable monomer, the photoinitiator is an anthracene photoinitiator represented by the formula (I), and the photopolymerizable monomer is an alkenyl group-containing compound and / or epoxy compounds.
- the curing mechanism of the above coating composition is that the photoinitiator is activated under illumination; then the photopolymerizable monomer is polymerized by the activated initiator to form a film.
- the coating composition containing the above photoinitiator has low curing energy and curing efficiency during photocuring. Higher advantages.
- the photoinitiator provided by the present application may be compounded with an initiator commonly used in the art.
- the photopolymerizable monomer is an acrylate compound; preferably, the photopolymerizable monomer includes, but is not limited to, an epoxy acrylate oligomer, a urethane acrylate oligomer, and a polyester acrylate resin. One or more of the group consisting of polymers.
- the above photopolymerizable monomers include, but are not limited to, methyl (meth)acrylate, ethyl (meth)acrylate, butyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, ( Cyclohexyl methacrylate, 2-hydroxyethyl (meth) acrylate, 2-hydroxypropyl (meth) acrylate, 2-hydroxybutyl (meth) acrylate, 2-phenoxy (meth) acrylate 2-hydroxypropyl ester, 2-(meth)acryloyloxy-2-hydroxypropyl phthalate, glycerol mono(meth)acrylate, tetrahydrofurfuryl (meth)acrylate, two Methylamino (meth) acrylate, glycidyl (meth) acrylate, 2,2,2-trifluoroethyl (meth) acrylate, 2,2,3,3-tetrafluoro (meth) acrylate
- the coating composition further comprises an auxiliary agent including, but not limited to, a solvent, a surface conditioner, a sensitizer, a sensitizer, a curing accelerator, and a photocrosslinking agent.
- an auxiliary agent including, but not limited to, a solvent, a surface conditioner, a sensitizer, a sensitizer, a curing accelerator, and a photocrosslinking agent.
- photosensitizer, photosensitive resin, dispersing aid, filler, adhesion promoter, antioxidant, UV absorber, deflocculant, thermal polymerization inhibitor, defoamer, leveling agent, surfactant and chain transfer One or more of the group consisting of agents.
- the addition of additives facilitates the improvement of the overall performance of the coating composition.
- photoinitiator of the present invention can also be used in combination with other photoinitiators for reasons such as cost and the like.
- Still another aspect of the present application provides an ink composition
- a photoinitiator comprising a photoinitiator, a photopolymerizable monomer, and a pigment
- the photoinitiator is an anthraquinone photoinitiator represented by the formula (I)
- the photopolymerizable monomer is Alkenyl compounds and/or epoxy compounds.
- the curing mechanism of the above ink composition is such that the photoinitiator is activated under illumination; then the photopolymerizable monomer is polymerized by the activated initiator to form a film.
- the quinone type photoinitiator represented by the formula (I) provided by the present application has a high quantum absorption efficiency for long wavelengths
- the ink composition containing the above photoinitiator has low curing energy and curing efficiency during photocuring. Higher advantages.
- the photoinitiator provided by the present application may be compounded with an initiator commonly used in the art.
- the photopolymerizable monomer is an acrylate compound; preferably, the photopolymerizable monomer includes, but is not limited to, an epoxy acrylate oligomer, a urethane acrylate oligomer, and a polyester acrylate resin. One or more of the group consisting of polymers.
- the photopolymerizable monomer includes, but is not limited to, the above photopolymerizable monomers including, but not limited to, methyl (meth)acrylate, ethyl (meth)acrylate, butyl (meth)acrylate, (meth)acrylic acid 2-ethylhexyl ester, cyclohexyl (meth)acrylate, 2-hydroxyethyl (meth)acrylate, 2-hydroxypropyl (meth)acrylate, 2-hydroxybutyl (meth)acrylate, ( 2-phenoxy-2-hydroxypropyl methacrylate, 2-(meth)acryloyloxy-2-hydroxypropyl phthalate, glycerol mono(meth) acrylate, (methyl) Tetrahydrofurfuryl acrylate, dimethylamino (meth) acrylate, glycidyl (meth) acrylate, 2,2,2-trifluoroethyl (meth) acrylate, (meth) acryl
- the ink composition further includes an auxiliary agent including, but not limited to, a solvent, a surface conditioner, a sensitizer, a sensitizer, a curing accelerator, and a photocrosslinking agent.
- an auxiliary agent including, but not limited to, a solvent, a surface conditioner, a sensitizer, a sensitizer, a curing accelerator, and a photocrosslinking agent.
- photosensitizer, photosensitive resin, dispersing aid, filler, adhesion promoter, antioxidant, UV absorber, deflocculant, thermal polymerization inhibitor, defoamer, leveling agent, surfactant and chain transfer One or more of the group consisting of agents.
- the addition of the auxiliary agent is advantageous for improving the overall performance of the ink composition.
- the chain group is a C 1 -C 10 linear alkyl group, a C 1 -C 10 branched alkyl group or a C 4 -C 10 cycloalkylalkyl group. base.
- Ar is phenyl, methylphenyl, ethylphenyl, chlorophenyl, bromophenyl, methoxyphenyl, nitrophenyl, cyanophenyl, diphenyl Thioether group, pyridyl group, thienyl group, furyl group, 2-methyl-thienyl group, 3-methylthienyl group, furyl group, 2-methyl-furyl group or 3-methylfuranyl group.
- the quinone photoinitiator has a structure represented by the following formula (V):
- R 8 has n external linkages and is a C 1 -C 60 linear alkyl group or a branched alkyl group, or a C 1 -C 60 linear alkyl group or a branched alkyl group or any carbon or Hydrogen is replaced by oxygen, sulfur or phenyl;
- A represents a repeating unit having a structure of -(Q-CHR 9 ) m -, R 9 is hydrogen, methyl or ethyl, and Q represents O or a linker, wherein the linker represents -(CHR 9 ) m directly linked to O m is an integer of 1 to 6; n represents an integer of 1 to 20.
- the oxime-based photoinitiator having the above structural formula (V) is characterized in that its mobility is lowered not only because of its larger molecular weight, but also because it has more excellent solubility properties.
- the photoinitiator having the group represented by the above formula (II) and the photoinitiator having the structure represented by the formula (V) have an absorption band of between 330 and 400 nm, and are almost odorless, in the (meth)acrylic resin and Vinyl ether compounds have good solubility, are not easy to migrate after application, and are resistant to yellowing.
- A is selected from -[(Q-CHR 9 ) m ] y - wherein R 9 is hydrogen or methyl, m is an integer of from 1 to 3, and y represents an integer of from 1 to 9.
- n is an integer of from 1 to 8, preferably 1, 2, 3, 4, 5 or 6.
- the preparation method comprises the following steps: Step S1, the raw material a having the structural formula A and the raw material b having the structural formula B are fuk Reaction, to obtain intermediate c having the structural formula C; optional step S2, the intermediate c is subjected to a Friedel-Craft reaction with the starting material d having the structural formula D to obtain an intermediate e having the structural formula E; and optionally the step S3, an intermediate e is transesterified with an alcohol or a polyol having the structural formula F to obtain a quinone photoinitiator, wherein
- Structural formula A is Structural formula B is Wherein X 1 is a halogen and the structural formula C is Structural formula D is Wherein X 2 is halogen and the structural formula E is The structural formula F is R 8 (AOH) n .
- R5, R6, Ar, R7, R7' and R8 in the above respective structural formulas are the same as the corresponding groups represented by the structural formula (II) and the structural formula (V).
- the Friedel-Crafts reaction of the aforementioned step S1 and the step S2 is carried out in the presence of aluminum trichloride or zinc chloride and a solvent, and preferably the reaction temperatures of the Friedel-Crafts of the step S1 and the step S2 are each independently -10 to 40 °C.
- the conditions of the Friedel-Crafts in the above two steps may be the same or different, and the solvents may be the same or different, wherein the solvent may be a common organic solvent that does not participate in the reaction in the prior art, such as dichloromethane, dichloroethane, toluene, Benzene, xylene, when the same solvent is used in both steps, the completion of step S1 may be followed by the completion of the Friedel-Craft reaction of step S2 without purification.
- the solvent may be a common organic solvent that does not participate in the reaction in the prior art, such as dichloromethane, dichloroethane, toluene, Benzene, xylene, when the same solvent is used in both steps, the completion of step S1 may be followed by the completion of the Friedel-Craft reaction of step S2 without purification.
- the transesterification reaction of the above step S3 can be carried out directly in the system completed in the step S2 or can be carried out by re-disposing in the solvent, and the solvent of the step S3 is not particularly limited as long as the reaction reagent can be dissolved. And there is no adverse effect on the reaction, such as toluene, benzene, xylene.
- the above step S3 undergoes a transesterification reaction under the action of the catalyst and the polymerization inhibitor
- the catalyst is one or more titanate compounds
- the catalyst is selected from the group consisting of 2-ethylhexyl titanate, tetramethyl titanate, tetraisopropyl titanate, tetrabutyl titanate, tetraisobutyl titanate, tetrakis(2-ethylhexyl) titanate.
- One or more of the groups of esters, preferably the polymerization inhibitor is selected from the group consisting of p-hydroxyanisole, N,N-diethylhydroxylamine, hydroquinone, catechol, p-tert-butyl catechol, Any one of the group consisting of methylhydroquinone, p-methoxyphenol, phenothiazine, and triphenylphosphine.
- the molar ratio of the intermediate e to the alcohol or polyol having the structural formula F is n: 1, preferably the weight of the catalyst is 3 of the total weight of the material.
- the weight of the polymerization inhibitor is from 3 to 10 Torr based on the total weight of the material, and further preferably the temperature of the transesterification reaction is from 70 to 130 ° C and the reaction time is from 1 to 8 hours.
- a photocurable composition comprising a photoinitiator which is an anthraquinone photoinitiator comprising a structure of formula (II).
- the initiating efficiency and yellowing resistance, migration resistance, low odor, solubility and the like of the quinone photoinitiator comprising the structure represented by the formula (II) of the present application can be compared with the prior art benzophenone or benzene
- the formyl initiator is better improved and balanced, and therefore, when applied to the composition, the structural properties of the composition can be more stable, and the photocurable composition can be made in a UV-LED source. It can be cured under the illumination, thus saving energy and complying with environmental requirements.
- the oxime-based photoinitiator comprising the structure represented by the formula (II) provided by the present application allows the photocurable composition having the same to be cured under irradiation of a UV-LED source, the application containing the same saves energy more.
- the above applications include applications in coatings, inks, adhesives, color resists, black matrices, photo spacers, rib gates, dry films, and/or semiconductor photoresists.
- the structural characterization data of the intermediate product 1a is as follows: 1 H-NMR (CDCl 3 , 500 MHz): 0.9146 to 1.0002 (6H, t), 1.2878 to 1.3328 (8H, m), 1.4844 (6H, s), 1.8754 - 2.1045 (5H, m), 7.5801 to 8.0837 (6H, m).
- the structural characterization data of the intermediate product 2a is as follows: 1 H-NMR (CDCl 3 , 500 MHz): 1.3629 (6H, s), 1.6578 (6H, s), 2.3899-2.3835 (4H, t), 3.6703-3.6801 ( 4H, t), 7.5481-7.8997 (6H, m).
- the raw materials were placed in a dark room with reference to the composition shown in Tables 2 to 5.
- the stirred raw material was placed on a PET film and coated with a coating bar to a film thickness of about 25 ⁇ m.
- Samples 1 to 34 (corresponding to the compositions of Examples 1 to 28) and Comparative sheets 1 to 4 (corresponding to the compositions of Comparative Examples 1 to 4) were sequentially obtained according to the above method.
- the coated PET film was placed in a crawler exposure machine (RW-UV.70201, wavelength 300-500 nm) for exposure, and the energy received for one exposure was 80 mJ/cm 2 , and the curing of each group was recorded. The minimum energy required.
- Performance evaluation Refer to the finger-touch method in the paint film drying time test standard GB/T 1728-1979 to evaluate the curing speed of the paint film surface, that is, touch the coating with a finger to make the surface smooth, and the non-stick hand indicates that the surface is completely cured;
- the bottom curing speed was measured by the finger licking method, that is, the coating was lightly rubbed with a nail to prevent the bottom layer from solidifying.
- the evaluation results are shown in Table 6.
- the anthraquinone compound and the composition thereof according to the present invention achieve the following technical effects: the anthraquinone compound and the composition thereof according to the present invention have obvious advantages in curing efficiency, and the energy required for curing is significantly low. Compositions having the same initiator structure.
- a different raw material a, b may be used for the Friedel-Craft reaction to obtain the product a of different structures, but is not limited thereto, as shown in Table 7.
- the product 1a85g and dichloromethane 100mL were added to a 500 mL four-necked flask, and the mixture was stirred at room temperature.
- the mixed solution of the raw material 1c38g and 50mL of dichloromethane was continuously added to the four-necked flask, and the temperature was controlled at 30 ° C or lower, and the addition was completed in about 1 hour.
- stirring was continued for 2 hours, and the liquid phase was traced to completion to obtain a product system containing the product 1b. Then, the product system was slowly poured into 400 g of ice water and 50 mL of concentrated hydrochloric acid (37%) in a diluted hydrochloric acid.
- products a and c may be subjected to a Friedel-Craft reaction to obtain products b of different structures, but are not limited thereto, as shown in Table 8 (the compounds in Table 8 are numbered sequentially, but it does not mean that they are obtained in Table 8
- the compound is prepared by using the corresponding number of the compounds in Table 7 as raw materials.
- Those skilled in the art can carry out the Friedel-Craft reaction of the product a and the starting material c according to the above description and the prior art to obtain the corresponding product b).
- a different product b and a raw material d may be used for transesterification to obtain a product c of a different structure, but is not limited thereto, as shown in Table 9 (the compounds in Table 9 are numbered sequentially, but do not represent the results in Table 9).
- the compounds are prepared by using the corresponding number of the compounds in Table 8 as raw materials.
- Those skilled in the art can carry out transesterification reaction according to the above description and the prior art by selecting suitable product b and starting material d to obtain the corresponding product c).
- the photoinitiators of the formulas (I) and (II) of the present invention and the initiators of the conventional formulations of the conventional benzophenones and benzoylformides are prepared in the ink preparation.
- the application performance is evaluated.
- the radiation curable composition was prepared according to the formulation of Table 10, and the commonly used benzophenone and formyl ester initiators were compared with the photoinitiator of the present invention, and the weight % (wt%) was based on radiation. Total weight of the cured composition:
- the photocurable composition is stirred under a yellow light, and is taken up on a PET template to form a film by a roll to form a film having a film thickness of about 20 ⁇ m.
- the film is exposed by a crawler, and a mask is attached, respectively, using a high-pressure mercury lamp (exposure type).
- No. RW-UV70201, wavelength 200-500nm, light intensity 100mW/cm 2 ) and LED lamps (Blue Spectrum Rick LP300w, wavelength 395nm, light intensity 100mW/cm 2 ) are irradiated to pass the track through the film. The number of times is evaluated, and the test results are shown in Table 11.
- the cured film prepared by the above high-pressure mercury lamp was subjected to aging test by RW-UV.2BP ultraviolet aging test box, and the light source was a high-pressure mercury lamp (main wavelength 365 nm, whole machine power: about 2.2 KW), and the cured film was continuously irradiated for 6 hours.
- the yellowing of the cured film was observed and evaluated according to the following criteria, as shown in Table 11.
- ⁇ colorless and transparent, the surface is smooth, indicating good yellowing resistance
- ⁇ The surface is yellow or the viscosity is increased, indicating easy yellowing.
- the bismuth photoinitiator of the present invention has high sensitivity not only under a high pressure mercury lamp but also at a high level under a UV-LED source, in the case where the other components are the same.
- the existing benzophenone and benzoylformate photoinitiators exhibit significant deficiencies under the UV-LED light source; and it can be seen from the yellowing resistance test and the migration test that the present invention
- the quinone photoinitiator has the characteristics of good yellowing resistance, low solubility and low odor, and is difficult to migrate.
- the quinone photoinitiator having a group represented by the formula (II) and the quinone photoinitiator having the structure represented by the formula (V) in the present application can be excellent in application in the field of photocuring.
- Application performance has broad application prospects.
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Abstract
Description
Claims (29)
- 一种芴类光引发剂,其特征在于,所述芴类光引发剂具有式(I)所示的结构,或者,所述芴类光引发剂包含式(II)所示结构;其中,所述式(I)中,所述R1和所述R1’分别独立地选自氢、卤素、C1~C20的直链或支链烷基、C3~C8的环烷基、C2~C20的链烯基或C3~C8的环烷基取代的C1~C10的烷基;所述R2和所述R3分别独立地选自C1~C20的直链或支链烷基、C3~C8的环烷基、C3~C8的环烷基取代的C1~C10的烷基、C6~C20的芳基;或者,所述R2和所述R3相连形成C3~C8的环烷基;所述X为-A-(X’)n,其中A选自杂原子,所述杂原子选自O、N或S,X’选自C1~C20的直链或支链烷基、C3~C8的环烷基、C3~C8的环烷基取代的C1~C10的烷基,或者所述X’中的碳原子中的一个或多个被所述杂原子取代,n为1或2;所述R4为羟基或者N-吗啉基;或者所述式(II)中,所述R5、所述R6分别独立地选自氢原子、卤素和链基基团中的任意一种,所述链基基团为C1-C20的直链烷基、C1-C20的支链烷基或C1-C20的环烷基、C4-C20的环烷基烷基、C4-C20的烷基环烷基和C2-C20的链烯基,或者所述R5和R6以所述链基基团中的任意一种或两种成环,且所述链基基团中的-CH2-可任选地被-O-、-C(=O)O-、卤素、苯基所取代;Ar为含有芳香环或杂芳香环的取代基;以及与所述式(II)所示的基团的连接键相连的R7,所述R7为氢原子、-C(=O)R7’或-C(=O)C(=O)O-R7’基团,其中,所述R7’表示取代或未被取代的C1-C40的直链、C1-C40的支链烷基、C1-C20的环烷基、C1-C40的链烯基、含有芳香环或杂芳香环的取代基,或者所述R7为-C(=O)C(=O)O-R7’基团,所述R7’基团为醇或多元醇通过酯交换反应而连接的基团。
- 根据权利要求1所述的芴类光引发剂,其特征在于,所述式(I)中,所述R1和所述R1’分别独立地选自氢、卤素、C1~C10的直链或支链烷基、C3~C8的环烷基、或C3~C8的环烷基取代的C1~C10的烷基;优选地,所述R1和所述R1’分别独立地选自氢、C1~C4的直链或支链烷基、或C3~C6环烷基取代的C1~C3烷基。
- 根据权利要求1所述的芴类光引发剂,其特征在于,所述式(I)中,所述R2和所述R3分别独立地选自C1~C10的直链或支链烷基、C3~C8环烷基、或C3~C8环烷基取代的C1~C10的烷基;或者R2和所述R3相连形成C3~C10的环烷基;优选地,所述R2和所述R3分别独立地选自C1~C4的直链或支链烷基或C4~C8的环烷基烷基;或者所述R2和所述R3相连形成C3~C6的环烷基。
- 根据权利要求1所述的芴类光引发剂,其特征在于,所述式(I)中,所述X’选自甲基、乙基、环己基或环戊基。
- 一种权利要求1至5中任一项所述的具有式(I)所示结构的芴类光引发剂的制备方法,其特征在于,所述制备方法包括:溴代反应:将原料a、溴代试剂及第一有机溶剂发生溴代反应,得到中间产物b,所述原料a具有式(Ⅲ)所示的结构,所述中间产物b具有式(Ⅳ)结构,取代反应:采用所述中间产物b、取代试剂及第二有机溶剂发生取代反应,得到所述芴类光引发剂,其中所述R1和所述R1’分别独立地选自氢、卤素、C1~C20的直链或支链烷基、C3~C8的环烷基、C2~C20的链烯基或C3~C8环烷基取代的C1~C10的烷基;所述R2和所述R3分别独立地选自C1~C20的直链或支链烷基、C3~C8环烷基、C3~C8环烷基取代的C1~C10的烷基、C6~C20的芳基;或者,所述R2和所述R3相连形成C3~C8的环烷基;所述R4为羟基或者N-吗啉基。
- 根据权利要求6所述的制备方法,其特征在于,所述溴代试剂选自N-溴代丁二酰亚胺、氢溴酸、溴素和二溴海因组成的组中的一种或多种;优选地,所述取代试剂为XONa,所述X为-A-(X’)n,其中A选自杂原子,所述杂原子选自O、N或S,所述X’选自C1~C20的直链或支链烷基、C3~C8环烷基、C3~C8环烷基取代的C1~C10的烷基,或者所述X’中的碳原子中的一个或多个被所述杂原子取代,n为1或2。
- 根据权利要求6所述的制备方法,其特征在于,所述溴代反应中,所述第一有机溶剂为极性溶剂,优选为碳酸丙烯酯。
- 根据权利要求8所述的制备方法,其特征在于,所述溴代反应的温度为10~60℃,优选为25℃。
- 根据权利要求6至9中任一项所述的制备方法,其特征在于,所述第二有机溶剂选自二氯甲烷、二氯乙烷、苯和二甲苯组成的组中的一种或多种。
- 一种涂料组合物,其特征在于,包括光引发剂和光聚合单体,所述光引发剂为权利要求1至5中任一项所述的具有式(I)所示结构的芴类光引发剂,所述光聚合单体为含烯基的化合物和/或环氧化合物。
- 根据权利要求11所述的涂料组合物,其特征在于,所述光聚合单体为丙烯酸酯类化合物;优选地,所述光聚合单体选自环氧丙烯酸树脂低聚物、聚氨酯丙烯酸树脂低聚物和聚酯丙烯酸树脂低聚物组成的组中的一种或多种。
- 根据权利要求11或12所述的涂料组合物,其特征在于,按重量份计,所述涂料组合物还包括助剂,所述助剂选自溶剂、表面调节剂、增感剂、敏化剂、固化促进剂、光交联剂、光敏化剂、光敏树脂、分散助剂、填充剂、密合促进剂、抗氧化剂、紫外线吸收剂、抗絮凝剂、热聚合阻止剂、消泡剂、流平剂、表面活性剂和链转移剂组成的组中的一种或多种。
- 一种油墨组合物,其特征在于,包括光引发剂、光聚合单体和颜料,所述光引发剂为权利要求1至5中任一项所述的具有式(I)所示结构的芴类光引发剂,所述光聚合单体为含烯基的化合物和/或环氧化合物。
- 根据权利要求14所述的油墨组合物,其特征在于,所述光聚合单体为丙烯酸酯类化合物;优选地,所述光聚合单体选自环氧丙烯酸树脂低聚物、聚氨酯丙烯酸树脂低聚物和聚酯丙烯酸树脂低聚物组成的组中的一种或多种。
- 根据权利要求14或15所述的油墨组合物,其特征在于,按重量份计,所述油墨组合物还包括助剂,所述助剂选自溶剂、表面调节剂、增感剂、敏化剂、固化促进剂、光交联剂、光敏化剂、光敏树脂、分散助剂、填充剂、密合促进剂、抗氧化剂、紫外线吸收剂、抗絮凝剂、热聚合阻止剂、消泡剂、流平剂、表面活性剂和链转移剂组成的组中的一种或多种。
- 根据权利要求1所述的芴类光引发剂,其特征在于,所述式(Ⅱ)中,所述链基基团为C1-C10的直链烷基、C1-C10的支链烷基或C4-C10的环烷基烷基。
- 根据权利要求1所述的芴类光引发剂,其特征在于,所述式(Ⅱ)中,所述Ar为苯基、甲基苯基、乙基苯基、氯苯基、溴苯基、甲氧基苯基、硝基苯基、氰基苯基、二苯硫醚基、吡啶基、噻吩基、呋喃基、2-甲基-噻吩基、3-甲基噻吩基、呋喃基、2-甲基-呋喃基或3-甲基呋喃基。
- 根据权利要求19所述的芴类光引发剂,其特征在于,式(Ⅴ)中,所述A选自-[(Q-CHR9)m]y-,其中所述R9为氢或甲基,m为1~3的整数,y代表1~9的整数。
- 根据权利要求19所述的芴类光引发剂,其特征在于,式(Ⅴ)中,所述n是1~8的整数,优选为1、2、3、4、5或6。
- 根据权利要求23所述的制备方法,其特征在于,所述步骤S1和所述步骤S2的傅克反应在三氯化铝或氯化锌及溶剂存在下进行,优选所述步骤S1和所述步骤S2的傅克反应的反应温度各自独立地为-10~40℃。
- 根据权利要求23所述的制备方法,其特征在于,所述步骤S3在催化剂和阻聚剂的作用下发生所述酯交换反应,优选所述催化剂为一种或多种钛酸类化合物,更优选所述催化剂选自钛酸-2-乙基己酯、钛酸四甲酯、钛酸四异丙酯、钛酸四丁酯、钛酸四异丁酯、钛酸四(2-乙基己)酯组成的组中的一种或多种,优选所述阻聚剂选自对羟基苯甲醚、N,N-二乙基羟胺、对苯二酚、邻苯二酚、对叔丁基邻苯二酚、甲基氢醌、对甲氧基苯酚、吩噻嗪和三苯基膦组成的组中的任意一种。
- 根据权利要求25所述的制备方法,其特征在于,所述步骤S3中,所述中间体e与具有结构式F的醇或多元醇的摩尔比是n:1,优选催化剂的重量是物料总重量的3~10‰,更 优选所述阻聚剂的重量是所述物料总重量的3~10‰,进一步优选所述酯交换反应的温度为70~130℃、反应时间为1~8h。
- 一种光固化组合物,包括光引发剂,其特征在于,所述光引发剂为权利要求1、17至27中任一项所述的包含式(Ⅱ)所示结构的芴类光引发剂。
- 一种权利要求1、17至27中任一项所述的包含式(Ⅱ)所示结构的芴类光引发剂在光固化领域的应用。
- 根据权利要求28所述的应用,其特征在于,所述应用包括涂料、油墨、粘合剂、彩色光阻、黑色矩阵、光间隔物、肋栅、干膜和/或半导体光刻胶中的应用。
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KR1020197004737A KR102197059B1 (ko) | 2016-09-13 | 2017-08-28 | 플루오렌 광개시제, 그 제조 방법, 이를 갖는 광경화성 조성물, 및 광경화 분야에서 그 용도 |
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US16/259,779 US10976660B2 (en) | 2016-09-13 | 2019-01-28 | Fluorene photoinitiator, preparation method therefor, photocurable composition having same, and use of same in photocuring field |
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CN201710530354.0 | 2017-06-28 | ||
CN201710530354.0A CN109134712B (zh) | 2017-06-28 | 2017-06-28 | 芴类多官能度光引发剂、其制备方法及其应用 |
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WO2018149370A1 (zh) * | 2017-02-17 | 2018-08-23 | 常州强力先端电子材料有限公司 | 芴氨基酮类光引发剂、其制备方法及含芴氨基酮类光引发剂的uv光固化组合物 |
JP2021507058A (ja) * | 2017-12-22 | 2021-02-22 | 常州強力先端電子材料有限公司Changzhou Tronly Advanced Electronic Materials Co.,Ltd. | フッ素含有フルオレンオキシムエステル系光開始剤、それを含む光硬化組成物およびその適用 |
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US11118065B2 (en) | 2017-02-17 | 2021-09-14 | Changzhou Tronly Advanced Electronic Materials Co., Ltd. | Fluorenylaminoketone photoinitiator, preparation method thereof, and UV photocurable composition containing same |
JP2021507058A (ja) * | 2017-12-22 | 2021-02-22 | 常州強力先端電子材料有限公司Changzhou Tronly Advanced Electronic Materials Co.,Ltd. | フッ素含有フルオレンオキシムエステル系光開始剤、それを含む光硬化組成物およびその適用 |
JP6999039B2 (ja) | 2017-12-22 | 2022-02-04 | 常州強力先端電子材料有限公司 | フッ素含有フルオレンオキシムエステル系光開始剤、それを含む光硬化組成物およびその適用 |
CN113105570A (zh) * | 2021-04-12 | 2021-07-13 | 之江实验室 | 一种液体双光子引发剂及其制备方法与应用 |
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EP3514135A1 (en) | 2019-07-24 |
JP6833171B2 (ja) | 2021-02-24 |
EP3514135B1 (en) | 2021-04-21 |
EP3514135A4 (en) | 2020-04-29 |
JP2019528331A (ja) | 2019-10-10 |
US10976660B2 (en) | 2021-04-13 |
KR20190029707A (ko) | 2019-03-20 |
US20190155153A1 (en) | 2019-05-23 |
KR102197059B1 (ko) | 2020-12-31 |
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