WO2017175777A1 - 脂肪族ポリカーボネート樹脂、隔壁材料、基板及びその製造方法、配線基板の製造方法、並びに、配線形成方法 - Google Patents
脂肪族ポリカーボネート樹脂、隔壁材料、基板及びその製造方法、配線基板の製造方法、並びに、配線形成方法 Download PDFInfo
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- WO2017175777A1 WO2017175777A1 PCT/JP2017/014170 JP2017014170W WO2017175777A1 WO 2017175777 A1 WO2017175777 A1 WO 2017175777A1 JP 2017014170 W JP2017014170 W JP 2017014170W WO 2017175777 A1 WO2017175777 A1 WO 2017175777A1
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- polycarbonate resin
- aliphatic polycarbonate
- group
- wiring
- substrate
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Classifications
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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
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/02—Aliphatic polycarbonates
- C08G64/0208—Aliphatic polycarbonates saturated
- C08G64/0225—Aliphatic polycarbonates saturated containing atoms other than carbon, hydrogen or oxygen
- C08G64/0233—Aliphatic polycarbonates saturated containing atoms other than carbon, hydrogen or oxygen containing halogens
-
- 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
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/02—Aliphatic polycarbonates
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0313—Organic insulating material
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/107—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern by filling grooves in the support with conductive material
Definitions
- the present invention relates to an aliphatic polycarbonate resin, a partition wall material, a substrate and a manufacturing method thereof, a manufacturing method of a wiring substrate, and a wiring forming method.
- aliphatic polycarbonate resins synthesized from raw materials containing carbon dioxide and an epoxy compound have been actively studied from the viewpoint of carbon dioxide resources, and various uses have been found. Since the aliphatic polycarbonate resin has a characteristic that the thermal decomposition temperature is low, application to ceramic binders and metal inks has been studied using its properties (for example, Patent Documents 1 and 2). In addition, since the aliphatic polycarbonate resin is easily removed by heating or light with a short wavelength (for example, irradiation with vacuum ultraviolet rays or soft X-rays), the aliphatic polycarbonate resin should be used as a positive resist resin for the partition wall material. (For example, Patent Document 3 and Patent Document 4) have also been studied.
- the aliphatic polycarbonate resin as the partition wall material positive resist resin, it is possible to manufacture a wiring board to be incorporated in an electronic component or the like.
- a wiring material including, for example, metal ink is provided in the grooves.
- the aliphatic polycarbonate resin is removed and the ink is cured and sintered. Thereby, a wiring board is formed.
- the present invention has been made in view of the above, and an object thereof is to provide an aliphatic polycarbonate resin excellent in water repellency. Furthermore, an object of the present invention is to provide a partition material, a substrate, a manufacturing method thereof, a manufacturing method of a wiring substrate, and a wiring forming method.
- the present inventors have found that the above object can be achieved by making the repeating structural unit contained in the aliphatic polycarbonate resin into a specific structure, thereby completing the present invention. It came to do.
- R 1 , R 2 and R 3 each independently represents a hydrogen atom, an alkyl group having 1 to 10 carbon atoms or an aryl group having 6 to 20 carbon atoms, and X represents a substituent having a fluorine atom
- R 1 , R 2 and R 3 may be the same or different
- Item 2 The aliphatic polycarbonate resin according to Item 1, wherein X is a group containing a trifluoromethyl group.
- Item 3. Item 3.
- the aliphatic polycarbonate resin according to Item 1 or 2 wherein the content of the structural unit represented by the formula (1) is 0.05 to 5 mol% with respect to the total number of moles of all the structural units.
- Item 4. The following general formula (2):
- R 4 , R 5 , R 6 and R 7 are each independently a hydrogen atom, an alkyl group having 1 to 10 carbon atoms or an aryl group having 6 to 20 carbon atoms, and R 4 , R 5 , R 6 and R 7 may be the same or different
- the aliphatic polycarbonate resin according to any one of Items 1 to 4 which is an aliphatic polycarbonate resin for forming a partition wall.
- the aliphatic polycarbonate resin according to the present invention is superior in the water-repellent performance to known aliphatic polycarbonate resins. Therefore, for example, when the partition wall is formed using the aliphatic polycarbonate resin according to the present invention as the partition wall material, the water-based ink can be kept only in a desired portion with high accuracy.
- partition wall material according to the present invention contains the polycarbonate resin, it is possible to form a partition wall that can highly accurately retain the water-based ink only in a desired portion.
- the aliphatic polycarbonate resin of this embodiment is The following general formula (1):
- R 1 , R 2 and R 3 are each independently a hydrogen atom, an alkyl group having 1 to 10 carbon atoms or an aryl group having 6 to 20 carbon atoms, and X is a substituent having a fluorine atom
- R 1 , R 2 and R 3 may be the same or different
- the contact angle with respect to water is 90 degrees or more.
- the above-mentioned aliphatic polycarbonate resin contains a structural unit having a specific structure, so that the water repellency is superior to that of the conventional aliphatic polycarbonate resin. Therefore, according to the aliphatic polycarbonate resin, for example, when the partition wall is formed using the partition material, the water-based ink can be kept only in a desired portion with high accuracy.
- the type of the alkyl group having 1 to 10 carbon atoms as R 1 , R 2 and R 3 may be either linear or branched, and the alkyl group may be one or more It may have a substituent.
- Specific examples of the alkyl group having 1 to 10 carbon atoms include, for example, methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, sec-butyl group, tert-butyl group, n-pentyl group, Examples include n-hexyl group, n-heptyl group, n-octyl group, n-nonyl group, n-decyl group and the like.
- the alkyl group has 1 to 4 carbon atoms.
- the aryl group having 6 to 20 carbon atoms as R 1 , R 2 and R 3 may have a substituent.
- Specific examples of the aryl group include a phenyl group, a toluyl group, an indenyl group, a naphthyl group, and a tetrahydronaphthyl group.
- the aryl group has 6 to 14 carbon atoms.
- X which is a substituent having a fluorine atom, may be a fluorine atom or a group containing a fluorine atom.
- X which is a group containing a fluorine atom, includes a fluoroalkyl group having 1 to 10 carbon atoms, a perfluoroalkyl group having 1 to 10 carbon atoms, a fluoroalkoxy group having 1 to 10 carbon atoms, and perfluoro having 1 to 10 carbon atoms. Examples thereof include an alkoxy group, a fluoroaryl group having 6 to 20 carbon atoms, and a perfluoroaryl group having 6 to 20 carbon atoms.
- the number of fluorine atoms constituting the fluoroalkyl group having 1 to 10 carbon atoms may be one, or two or more.
- Examples of the fluoroalkyl group having 1 to 10 carbon atoms include groups in which part of the hydrogen atoms in the alkyl groups having 1 to 10 carbon atoms exemplified above are substituted with fluorine atoms.
- the number of fluorine atoms constituting the fluoroalkoxy group having 1 to 10 carbon atoms may be one, or two or more.
- Examples of the fluoroalkoxy group having 1 to 10 carbon atoms include a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, an n-butoxy group, a sec-butoxy group, and a tert-butoxy group. And a group in which part is substituted with a fluorine atom.
- the number of fluorine atoms constituting the fluoroaryl group having 6 to 20 carbon atoms may be one, or two or more.
- Examples of the fluoroaryl group having 6 to 20 carbon atoms include groups in which part of the hydrogen atoms in the aryl groups having 6 to 20 carbon atoms exemplified above are substituted with fluorine atoms.
- X which is a substituent having a fluorine atom, may contain an ether group, an ester group, a carbonate group, an amino group, an amide group, a carbonyl group, or the like.
- X which is a substituent having a fluorine atom is preferably a group containing a trifluoromethyl group (CF 3 —). If a trifluoromethyl group is contained, it is presumed that a trifluoromethyl group having a small surface free energy is likely to segregate on the outermost surface. Thereby, the water repellency of the aliphatic polycarbonate resin can be further improved.
- the aliphatic polycarbonate resin of the present embodiment may be formed of only the structural unit represented by the above formula (1), or other structural units other than the structural unit represented by the above formula (1). It may be formed including.
- the content of the structural unit represented by the above formula (1) is preferably 5 mol% or less based on the total number of moles of all the structural units. It is preferably at least 05 mol%.
- the polymerization reactivity in producing the aliphatic polycarbonate resin and the solubility of the aliphatic polycarbonate resin in the solvent tend to be good, and the desired water repellency tends to be easily obtained.
- it is more preferable that content of the structural unit represented by the said Formula (1) is 2 mol% or less with respect to the total number of moles of all the structural units.
- the content of the structural unit represented by the above formula (1) is more preferably 0.1 mol% or more with respect to the total number of moles of all the structural units. .
- the aliphatic polycarbonate resin of this embodiment has the following general formula (2):
- R 4 , R 5 , R 6 and R 7 each independently represents a hydrogen atom, an alkyl group having 1 to 10 carbon atoms or an aryl group having 6 to 20 carbon atoms, and R 4 , R 5 , R 6 and R 7 may be the same or different
- the structural unit represented by these can further be included.
- the alkyl group having 1 to 10 carbon atoms and the aryl group having 6 to 20 carbon atoms as R 4 , R 5 , R 6 and R 7 are respectively R 1 , R 2 and R 3 has the same meaning as an alkyl group having 1 to 10 carbon atoms and an aryl group having 6 to 20 carbon atoms. More preferably, the alkyl group as R 4 , R 5 , R 6 and R 7 has 1 to 4 carbon atoms.
- the aryl group as R 4 , R 5 , R 6 and R 7 preferably has 6 to 14 carbon atoms.
- the content of the structural unit represented by the above formula (2) is preferably 95 mol% or more, and 98 mol% or more based on the total number of moles of all the structural units. It is more preferable that In this case, the aliphatic polycarbonate resin has excellent water repellency.
- the mass average molecular weight of the aliphatic polycarbonate resin of this embodiment is preferably 50000 or more, more preferably 100000 or more, from the viewpoint of rectangular holding power when used as a partition wall material. Further, from the viewpoint of avoiding a decrease in handleability due to a decrease in the solubility of the aliphatic polycarbonate resin in the solvent, the weight average molecular weight of the aliphatic polycarbonate resin is preferably 1000000 or less, more preferably 500000 or less.
- the contact angle of the aliphatic polycarbonate resin of this embodiment with respect to water is 90 ° or more.
- the aliphatic polycarbonate resin exhibits a desired water repellency.
- the contact angle of the aliphatic polycarbonate resin with respect to water is preferably 95 ° or more.
- the contact angle is usually less than 180 ° (eg, less than 150 °).
- the contact angle in this specification is defined by a value measured by the following procedure.
- the aliphatic polycarbonate resin of the present embodiment is dissolved in acetone so as to have a concentration of 2.5% by mass
- the glass substrate is immersed in the obtained solution, and then the glass substrate (the solution on the surface is pulled up from the solution).
- a glass substrate to which is attached) is dried at 25 ° C. for 24 hours to prepare a sample for contact angle measurement.
- one drop of distilled water is dropped with a microsyringe so that the droplet diameter is 2 mm, and the contact angle is measured.
- This measurement is performed in an environment of a temperature of 25 ° C. and a humidity of 50% RH.
- Such contact angle can be measured using a commercially available contact angle meter.
- the aliphatic polycarbonate resin of this embodiment may contain other types of polycarbonate resins and other resin components as long as the effects of the present invention are not impaired.
- the aliphatic polycarbonate resin of the present embodiment can be used by, for example, dissolving it in a solvent capable of dissolving the aliphatic polycarbonate resin.
- Solvents that can dissolve the aliphatic polycarbonate resin include, for example, toluene, ethyl acetate, butyl acetate, isopropyl alcohol, methyl isobutyl ketone, acetone, methyl ethyl ketone, N-methyl-2-pyrrolidone, ethylene glycol ethyl ether, ethylene glycol monobutyl ether , Ethylene glycol monoethyl ether acetate, diethylene glycol monoethyl ether, diethylene glycol monomethyl ether, diethylene glycol monoisobutyl ether, trimethylpentanediol monoisobutyrate, ethyl carbitol, butyl carbitol, ethyl carbitol acetate, butyl carbitol acetate, terpineol, Terpineol acetate, dihydroterpineol, dihydro Over terpineo
- N-methyl-2-pyrrolidone, terpineol, terpineol acetate, ethyl carbitol acetate, butyl carbitol acetate, texanol, and propylene carbonate are used from the viewpoint of having a moderately high boiling point and being easily volatilized uniformly during sintering. preferable.
- these organic solvents may be used independently and may use 2 or more types together.
- the amount of the solvent used is preferably 100 to 100 parts by weight with respect to 100 parts by weight of the aliphatic polycarbonate resin from the viewpoint of easy handling of the resulting solution (the solution of the aliphatic polycarbonate resin of the present invention).
- the amount is 2000 parts by mass, more preferably 200-1500 parts by mass, and still more preferably 300-1000 parts by mass.
- Examples of the method for producing the aliphatic polycarbonate resin of the present embodiment include a method in which an epoxide and carbon dioxide are subjected to a polymerization reaction in the presence of a metal catalyst.
- an aliphatic polycarbonate resin having a structural unit represented by the formula (1) and further having a structural unit represented by the formula (2) as required is obtained.
- R 8 is a fluorine atom or a monovalent organic group containing a fluorine atom, and Q is a single bond or a divalent linking group containing no fluorine atom
- the epoxide represented by these is mentioned.
- the said epoxide may be used independently and may use 2 or more types together.
- the QR 8 site corresponds to X in the formula (1).
- R 8 is a monovalent organic group containing a fluorine atom
- R 8 includes a monofluoromethyl group, a difluoromethyl group, a 2,2,2-trifluoroethyl group, 1,1,1-3,3 , 3-fluorofluoro group such as hexafluoroisopropyl group, trifluoromethyl group, pentafluoroethyl group, perfluoropropyl group, perfluoroalkyl group such as perfluorobutyl group, 4-fluorophenyl group, 2,6-difluoro Examples thereof include fluoroaryl groups such as a phenyl group and 2,4,6-trifluorophenyl group, and perfluoroaryl groups such as a pentafluorophenyl group and a perfluoronaphthyl group.
- an alkylene group, an etheric oxygen atom, an ester group, a carbonate group, an amino group, an amide group, or an alkylene group containing a carbonyl group is preferred.
- An alkylene group or an alkylene group containing an etheric oxygen atom is more preferred.
- the alkylene group is preferably a linear alkylene group having 1 or more carbon atoms such as a methylene group (—CH 2 —), an ethylene group (—CH 2 CH 2 —), a propylene group (—CH 2 CH 2 CH 2 —), etc.
- a straight-chain alkylene group having 1 to 5 carbon atoms is particularly preferred.
- Examples of the alkylene group containing an etheric oxygen atom include a group in which an oxygen atom is inserted between carbon and carbon of the alkylene group, and a group in which an oxygen atom is inserted into the terminal part (terminal part on the R 8 side) of the alkylene group.
- a group in which an oxygen atom is inserted at two sites is more preferable.
- Examples of the epoxide used for forming the structural unit represented by the formula (2) include ethylene oxide, propylene oxide, 2-butene oxide, and isobutylene oxide. Of these, ethylene oxide and propylene oxide are preferable from the viewpoint of high reactivity. In addition, the said epoxide may be used independently and may use 2 or more types together.
- the metal catalyst examples include a zinc-based catalyst, an aluminum-based catalyst, a chromium-based catalyst, and a cobalt-based catalyst.
- zinc-based catalysts are preferable because they have high polymerization activity and wide substrate versatility in the polymerization reaction of epoxide and carbon dioxide.
- Examples of zinc-based catalysts include organic zinc catalysts such as zinc acetate, diethyl zinc, and dibutyl zinc; primary amines, divalent phenols (benzene diols), aromatic dicarboxylic acids, aromatic hydroxy acids, aliphatic dicarboxylic acids, fatty acids And an organic zinc catalyst obtained by reacting a compound such as a group monocarboxylic acid with a zinc compound.
- organic zinc catalysts an organic zinc catalyst obtained by reacting a zinc compound, an aliphatic dicarboxylic acid and an aliphatic monocarboxylic acid is preferable because it has higher polymerization activity, and zinc oxide, glutaric acid and acetic acid are preferred.
- An organozinc catalyst obtained by reacting is more preferable.
- a reaction solvent may be used as necessary.
- Various organic solvents can be used as the reaction solvent.
- the organic solvent include aliphatic hydrocarbon solvents such as pentane, hexane, octane, decane, and cyclohexane; aromatic hydrocarbon solvents such as benzene, toluene, and xylene; methylene chloride, chloroform, carbon tetrachloride, 1, Halogenated hydrocarbons such as 1-dichloroethane, 1,2-dichloroethane, ethyl chloride, trichloroethane, 1-chloropropane, 2-chloropropane, 1-chlorobutane, 2-chlorobutane, 1-chloro-2-methylpropane, chlorobenzene and bromobenzene Solvents; ether solvents such as dimethoxyethane, tetrahydrofuran, 2-methyltetrahydrofur
- the amount of the reaction solvent used is preferably 100 to 10,000 parts by mass with respect to 100 parts by mass of the epoxide, from the viewpoint of allowing the reaction to proceed smoothly.
- the method for polymerizing the epoxide and carbon dioxide in the presence of a metal catalyst is not particularly limited.
- a method for polymerizing the epoxide and carbon dioxide in the presence of a metal catalyst is not particularly limited.
- an epoxide, a metal catalyst, and a cocatalyst, a reaction solvent, etc. are charged in an autoclave, and after mixing these, carbon dioxide is injected and reacted.
- the amount of carbon dioxide used in the polymerization reaction is preferably 1 to 10 mol, more preferably 1 to 5 mol, and still more preferably 1 to 3 mol with respect to 1 mol of epoxide.
- the working pressure of carbon dioxide used in the polymerization reaction is preferably 0.1 MPa or more, more preferably 0.2 MPa or more, and even more preferably 0.5 MPa or more, from the viewpoint of allowing the reaction to proceed smoothly. From the viewpoint of obtaining a suitable effect, it is preferably 20 MPa or less, more preferably 10 MPa or less, and still more preferably 5 MPa or less.
- the polymerization reaction temperature in the polymerization reaction is preferably 0 ° C. or higher, more preferably 10 ° C. or higher, more preferably 20 ° C. or higher, from the viewpoint of shortening the reaction time, and the viewpoint of suppressing the side reaction and improving the yield. Therefore, it is preferably 100 ° C. or lower, more preferably 90 ° C. or lower, and further preferably 80 ° C. or lower.
- the polymerization reaction time varies depending on the polymerization reaction conditions and cannot be determined unconditionally, but is usually about 1 to 40 hours.
- the above aliphatic polycarbonate resin can be used for various applications.
- the aliphatic polycarbonate resin of the present embodiment can be used as an aliphatic polycarbonate resin (aliphatic polycarbonate resin for forming a partition wall) for forming a partition wall, that is, as a constituent component of a partition wall material.
- the partition wall material contains the above aliphatic polycarbonate resin, but may contain other components.
- other components include solvents, binders, light stabilizers, photosensitizers, photosensitizers and the like conventionally used for partition materials.
- the kind of solvent can be made to be the same as that of the solvent conventionally used as a partition material, for example.
- the partition wall material of the present embodiment contains a solvent in addition to the aliphatic polycarbonate resin
- the content of the aliphatic polycarbonate resin can be 5 to 30 parts by mass per 100 parts by mass of the solvent.
- a substrate having a partition formed of an aliphatic polycarbonate resin according to the present invention can be obtained.
- Such a partition can be formed with the coating film of the partition material containing the aliphatic polycarbonate resin which concerns on this invention, for example.
- the above-described aliphatic polycarbonate resin is included, so that a partition wall can be formed that can retain the water-based ink only at a desired portion with high accuracy. Therefore, according to the partition material, for example, a wiring board having a wiring pattern controlled with high accuracy can be formed. That is, since the partition formed of the partition material has high water repellency, it is difficult for the water-based ink to ride on the partition when the water-based ink is placed on the substrate on which such a partition is formed.
- the wiring pattern can be formed with high accuracy.
- the partition material is suitable as a material for forming fine wiring controlled with high precision.
- a method of manufacturing a substrate having a partition wall formed of a partition wall material containing an aliphatic polycarbonate resin according to the present invention includes, for example, a step of forming a partition wall by providing a coating film of the partition wall material including the aliphatic polycarbonate resin.
- the substrate can be manufactured by the manufacturing method.
- a base material for forming a barrier rib pattern is prepared, and a treatment such as applying a liquid barrier rib material to a predetermined portion of the substrate surface is performed.
- the barrier rib pattern is formed by forming a coating film of the barrier rib material containing the polycarbonate resin according to the present invention by performing heat treatment or irradiation treatment such as ultraviolet rays as necessary. Thereby, the base material which has a partition can be formed.
- the portion where the coating film of the partition wall material containing the polycarbonate resin according to the present invention is formed can be, for example, a portion where the wiring pattern is to be formed on the surface of the base material and a peripheral portion thereof.
- a base material conventionally used for forming a wiring board such as an electronic board can be used.
- a wiring substrate that can be incorporated into various electronic components can be manufactured.
- the method for manufacturing a wiring board can be manufactured by, for example, a manufacturing method including a step of forming a wiring by providing a wiring material on the substrate. More specifically, the wiring substrate can be manufactured by a manufacturing method including a step of forming a groove in the substrate and a step of forming a wiring by providing a wiring material in the groove.
- the groove can be formed by a method such as photolithography, for example.
- a method for forming the grooves other conventional methods can be employed. What is necessary is just to form the said groove
- a method of pouring the wiring material into the groove includes, for example, a method of immersing the substrate in which the groove is formed in a liquid wiring material, a method of applying a liquid wiring material to the substrate in which the groove is formed, or a method in which the groove is formed
- a method of ink-jet printing a wiring material on a substrate may be used.
- a wiring board can also be manufactured by a method including a step of forming a wiring by applying a wiring material to the substrate by inkjet printing or the like without forming a groove in the substrate.
- the type of the wiring material is not particularly limited.
- a water-based ink such as a metal ink conventionally used for forming a wiring can be used.
- a partition wall made of the above-mentioned aliphatic polycarbonate resin is formed, and this partition wall is excellent in water repellency, so that the wiring material can be kept only in a desired groove with high accuracy.
- the wiring material is fired to form the wiring by heating the substrate at a temperature at which the wiring material is sintered.
- the sintering temperature can be appropriately set according to the type of wiring material being used.
- the aliphatic polycarbonate resin forming the partition wall pattern is burned out by the sintering process.
- the wiring board is manufactured through the above sintering process.
- the wiring pattern is controlled with high accuracy, so that the performance of electronic components and the like can be greatly improved.
- a fine wiring can be formed with high accuracy by a simple method, and a method for constructing various electronic components. Useful as.
- Mass average molecular weight of aliphatic polycarbonate resin (Mw) An N, N-dimethylformamide solution having an aliphatic polycarbonate resin concentration of 0.5% by mass was prepared and measured using a high performance liquid chromatograph. After the measurement, the weight average molecular weight of the aliphatic polycarbonate resin was calculated by comparing with polystyrene having a known weight average molecular weight measured under the same conditions.
- the measurement conditions are Column: GPC column (trade name of Showa Denko KK, Shodex OHPac SB-800 series) Column temperature: 40 ° C Eluent: 0.03 mol / L Lithium bromide-N, N-dimethylformamide solution Flow rate: 0.65 mL / min It was.
- Example 1 The inside of a 1 L-capacity autoclave system equipped with a stirrer, a gas introduction tube and a thermometer was previously replaced with a nitrogen atmosphere, and then 39.1 g of a slurry liquid containing the organozinc catalyst obtained in Production Example 1 (45 mmol of organozinc catalyst) 192.4 g of dimethyl carbonate, 26.1 g (450 mmol) of propylene oxide and (2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9) , 9-heptadecafluorononyl) oxirane 12.8 g (26.9 mmol) was charged. Next, the temperature was raised to 60 ° C.
- the polymerization reaction was carried out for 10 hours while supplying carbon dioxide consumed by the reaction. After completion of the reaction, the autoclave was cooled and decompressed, filtered, and dried under reduced pressure to obtain 38.6 g of an aliphatic polycarbonate resin.
- Example 2 (2,2,3,3,4,5,5,6,6,7,7,8,8,9,9,9-heptadecafluorononyl) oxirane (12.8 g) 3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyloxy) -1,2-epoxypropane 2.9 g (6.9 mmol)
- Example 3 The amount of 3- (3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyloxy) -1,2-epoxypropane used is 4.5 g ( Except for the change to 10.8 mmol), polymerization was carried out in the same manner as in Example 2 to obtain 34.6 g of an aliphatic polycarbonate resin.
- Table 1 shows the contact angles and thermal decomposition start temperatures of the aliphatic polycarbonate resins obtained in each Example and Comparative Example.
- content (mol%) indicates the content of the structural unit represented by the formula (1) with respect to the total number of moles of all the structural units in the aliphatic polycarbonate resin.
- fluorine-containing epoxide refers to an epoxide used to form the structural unit represented by the formula (1).
- the aliphatic polycarbonate resin according to the present invention is superior in water repellency to conventional aliphatic polycarbonate resins.
- the partition is formed using the aliphatic polycarbonate resin as the partition material, the water-based ink can be kept only in a desired portion with high accuracy. Therefore, when the aliphatic polycarbonate resin according to the present invention is used, a wiring board having highly controlled fine wiring can be easily formed, and the obtained wiring board can be incorporated into various electronic components.
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Abstract
Description
項1.
下記一般式(1):
で表される構成単位を含み、かつ、
水に対する接触角が90°以上である、脂肪族ポリカーボネート樹脂。
項2.Xがトリフルオロメチル基を含む基である、上記項1記載の脂肪族ポリカーボネート樹脂。
項3.式(1)で表される構成単位の含有量が、全構成単位の総モル数に対して0.05~5モル%である、上記項1又は2記載の脂肪族ポリカーボネート樹脂。
項4.下記一般式(2):
で表される構成単位をさらに含む、上記項1~3のいずれか1項に記載の脂肪族ポリカーボネート樹脂。
項5.隔壁形成用の脂肪族ポリカーボネート樹脂である、上記項1~4のいずれか一項に記載の脂肪族ポリカーボネート樹脂。
項6.上記項5に記載の脂肪族ポリカーボネート樹脂を含む、隔壁材料。
項7.上記項5に記載の脂肪族ポリカーボネート樹脂で形成された隔壁を有する、基板。項8.上記項7に記載の基板の製造方法であって、
前記脂肪族ポリカーボネート樹脂を含む隔壁材料の塗膜を設けて隔壁を形成する工程を具備する、基板の製造方法。
項9.上記項7に記載の基板を用いて形成される配線基板の製造方法であって、
前記基板上に配線材料を設けて配線を形成する工程を具備する、配線基板の製造方法。
項10.前記基板に溝を形成する工程と、
前記溝に配線材料を設けて配線を形成する工程と、
を具備する、項9に記載の配線基板の製造方法。
項11.上記項6に記載の隔壁材料を使用して配線を形成させる、配線形成方法。
下記一般式(1):
で表される構成単位を含み、かつ、水に対する接触角が90°以上である。
で表される構成単位をさらに含むことができる。
で表されるエポキシドが挙げられる。なお、当該エポキシドは単独で用いてもよく、2種以上を併用してもよい。
脂肪族ポリカーボネート樹脂の濃度が0.5質量%であるN,N-ジメチルホルムアミド溶液を調製し、高速液体クロマトグラフを用いて測定した。測定後、同一条件で測定した質量平均分子量が既知のポリスチレンと比較することにより、脂肪族ポリカーボネート樹脂の質量平均分子量を算出した。測定条件は、
カラム:GPCカラム(昭和電工株式会社の商品名、Shodex OHPac SB-800シリーズ)カラム温度:40℃
溶出液:0.03mol/L臭化リチウム-N,N-ジメチルホルムアミド溶液
流速:0.65mL/min
とした。
脂肪族ポリカーボネート樹脂を樹脂濃度が2.5質量%になるようにアセトンに溶解させ、得られた溶液にガラス基板を浸した。その後、このガラス基板を溶液中から取り出して25℃で24時間、乾燥することで、脂肪族ポリカーボネート樹脂をコーティングしたガラス基板を作製した。このガラス基板上に、液滴径が2mmになるように、蒸留水をマイクロシリンジで1滴落とし、協和界面科学社製接触角計「CA-S 150型」を用いて、接触角を目視で測定した。この測定は、温度25℃、湿度50%RHの環境下で行った。
日立ハイテクサイエンス社製「TG/DTA7220」を用い、窒素雰囲気下、10℃/minの昇温速度で室温から500℃まで昇温して、熱分解開始温度を測定した。熱分解開始温度は、試験加熱開始前の質量を通る横軸に平行な線と、分解曲線における屈曲点間の勾配が最大となるように引いた接線との交点とした。
攪拌機、窒素ガス導入管、温度計、ディーンスターク管および還流冷却管を備えた0.3L容の四つ口フラスコに、酸化亜鉛7.73g(95mmol)、グルタル酸12.3g(100mmol)、酢酸0.114g(2mmol)およびトルエン76.0gを仕込んだ。次に、反応系内に50mL/minの流量で窒素を流しながら、55℃まで昇温し、同温度で4時間攪拌して反応させた。その後、110℃まで昇温し、さらに同温度で2時間攪拌して共沸脱水させ水分を除去した後、室温まで冷却して、有機亜鉛触媒を含むスラリー液を得た。
攪拌機、ガス導入管および温度計を備えた1L容量のオートクレーブの系内をあらかじめ窒素雰囲気に置換した後、製造例1により得られた有機亜鉛触媒を含むスラリー液39.1g(有機亜鉛触媒を45mmol含む)、炭酸ジメチル192.4g、プロピレンオキシド26.1g(450mmol)および(2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-ヘプタデカフルオロノニル)オキシラン12.8g(26.9mmol)を仕込んだ。次に、攪拌下、60℃に昇温し、その後、二酸化炭素を加え、反応系内が1.0MPaとなるまで二酸化炭素を充填した。反応により消費される二酸化炭素を補給しながら10時間重合反応を行った。反応終了後、オートクレーブを冷却して脱圧し、ろ過した後、減圧乾燥して脂肪族ポリカーボネート樹脂38.6gを得た。得られた脂肪族ポリカーボネート樹脂の質量平均分子量は354000(Mw/Mn=7.44)、脂肪族ポリカーボネート樹脂中の式(1)で表される構成単位の含有量は1.0モル%であった。
(2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-ヘプタデカフルオロノニル)オキシラン12.8gを3-(3,3,4,4,5,5,6,6,7,7,8,8,8-トリデカフルオロオクチルオキシ)-1,2-エポキシプロパン2.9g(6.9mmol)に変更したこと以外は、実施例1と同様に重合を行い、脂肪族ポリカーボネート樹脂を41.0g得た。得られた脂肪族ポリカーボネート樹脂の質量平均分子量は473000(Mw/Mn=8.13)、脂肪族ポリカーボネート樹脂中の式(1)で表される構成単位の含有量は0.2モル%であった。
3-(3,3,4,4,5,5,6,6,7,7,8,8,8-トリデカフルオロオクチルオキシ)-1,2-エポキシプロパンの使用量を4.5g(10.8mmol)に変更したこと以外は、実施例2と同様に重合を行い、脂肪族ポリカーボネート樹脂を34.6g得た。得られた脂肪族ポリカーボネート樹脂の質量平均分子量は330000(Mw/Mn=10.73)、脂肪族ポリカーボネート樹脂中の式(1)で表される構成単位の含有量は1.2モル%であった。
(2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-ヘプタデカフルオロノニル)オキシラン12.8gを用いなかったこと以外は、実施例1と同様に重合を行い、脂肪族ポリカーボネート樹脂40.0gを得た。得られた脂肪族ポリカーボネート樹脂の質量平均分子量は、301000(Mw/Mn=8.31)であった。
Claims (11)
- Xがトリフルオロメチル基を含む基である、請求項1記載の脂肪族ポリカーボネート樹脂。
- 式(1)で表される構成単位の含有量が、全構成単位の総モル数に対して0.05~5モル%である、請求項1又は2記載の脂肪族ポリカーボネート樹脂。
- 隔壁形成用の脂肪族ポリカーボネート樹脂である、請求項1~4のいずれか1項に記載の脂肪族ポリカーボネート樹脂。
- 請求項5に記載の脂肪族ポリカーボネート樹脂を含む、隔壁材料。
- 請求項5に記載の脂肪族ポリカーボネート樹脂で形成された隔壁を有する、基板。
- 請求項7に記載の基板の製造方法であって、
前記脂肪族ポリカーボネート樹脂を含む隔壁材料の塗膜を設けて隔壁を形成する工程を具備する、基板の製造方法。 - 請求項7に記載の基板を用いて形成される配線基板の製造方法であって、
前記基板上に配線材料を設けて配線を形成する工程を具備する、配線基板の製造方法。 - 前記基板に溝を形成する工程と、
前記溝に配線材料を設けて配線を形成する工程と、
を具備する、請求項9に記載の配線基板の製造方法。 - 請求項6に記載の隔壁材料を使用して配線を形成させる、配線形成方法。
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US16/088,358 US11084902B2 (en) | 2016-04-08 | 2017-04-05 | Aliphatic polycarbonate resin, partition material, substrate and production method therefor, production method for wiring substrate, and wiring forming method |
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JPH10158380A (ja) * | 1996-11-27 | 1998-06-16 | Fuji Electric Co Ltd | 新規ポリカーボネート樹脂およびこれを用いた電子写真用感光体 |
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US11084902B2 (en) | 2021-08-10 |
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