WO2019003820A1 - 活性エステル組成物及び半導体封止材料 - Google Patents
活性エステル組成物及び半導体封止材料 Download PDFInfo
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- WO2019003820A1 WO2019003820A1 PCT/JP2018/021498 JP2018021498W WO2019003820A1 WO 2019003820 A1 WO2019003820 A1 WO 2019003820A1 JP 2018021498 W JP2018021498 W JP 2018021498W WO 2019003820 A1 WO2019003820 A1 WO 2019003820A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/62—Alcohols or phenols
- C08G59/64—Amino alcohols
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/4007—Curing agents not provided for by the groups C08G59/42 - C08G59/66
- C08G59/4071—Curing agents not provided for by the groups C08G59/42 - C08G59/66 phosphorus containing compounds
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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
- C07C69/76—Esters of carboxylic acids having a carboxyl group bound to a carbon atom of a six-membered aromatic ring
- C07C69/80—Phthalic acid esters
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D265/00—Heterocyclic compounds containing six-membered rings having one nitrogen atom and one oxygen atom as the only ring hetero atoms
- C07D265/04—1,3-Oxazines; Hydrogenated 1,3-oxazines
- C07D265/12—1,3-Oxazines; Hydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems
- C07D265/14—1,3-Oxazines; Hydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems condensed with one six-membered ring
- C07D265/16—1,3-Oxazines; Hydrogenated 1,3-oxazines condensed with carbocyclic rings or ring systems condensed with one six-membered ring with only hydrogen or carbon atoms directly attached in positions 2 and 4
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/42—Polycarboxylic acids; Anhydrides, halides or low molecular weight esters thereof
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
- C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
- C08G59/62—Alcohols or phenols
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/29—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/29—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
- H01L23/293—Organic, e.g. plastic
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/29—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
- H01L23/293—Organic, e.g. plastic
- H01L23/295—Organic, e.g. plastic containing a filler
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
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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
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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
- H05K1/0313—Organic insulating material
- H05K1/0353—Organic insulating material consisting of two or more materials, e.g. two or more polymers, polymer + filler, + reinforcement
-
- 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
- H05K1/032—Organic insulating material consisting of one material
- H05K1/0326—Organic insulating material consisting of one material containing O
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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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/01—Dielectrics
- H05K2201/0137—Materials
- H05K2201/0145—Polyester, e.g. polyethylene terephthalate [PET], polyethylene naphthalate [PEN]
Definitions
- the present invention relates to an active ester composition which has high curability and is excellent in various properties such as dielectric properties and heat resistance in a cured product, the cured product thereof, and a semiconductor sealing material and a printed wiring board using the composition. .
- Patent Document 1 As a resin material having a low dielectric constant and a dielectric loss tangent in a cured product, a technique using di ( ⁇ -naphthyl) isophthalate as a curing agent for epoxy resin is known (see Patent Document 1 below).
- the epoxy resin composition described in Patent Document 1 is compared with the case where a conventional epoxy resin curing agent such as a phenol novolak resin is used by using di ( ⁇ -naphthyl) isophthalate as the epoxy resin curing agent.
- a conventional epoxy resin curing agent such as a phenol novolak resin
- the problem to be solved by the present invention is an active ester composition which has high curability and is excellent in various properties such as dielectric characteristics and heat resistance in a cured product, a cured product thereof, and a semiconductor using the composition It is providing a sealing material and a printed wiring board.
- a composition containing an active esterified product and a benzoxazine compound has high curability and various properties such as dielectric characteristics and heat resistance in a cured product. It has been found that the performance is excellent, and the present invention has been completed.
- the present invention relates to an active ester composition containing the active ester compound (A) and the benzoxazine compound (B) as essential components.
- the present invention further relates to a curable composition comprising the active ester composition and a curing agent.
- the present invention further relates to a cured product of the curable composition.
- the present invention further relates to a semiconductor sealing material formed using the curable composition.
- the present invention further relates to a printed wiring board using the curable composition.
- an active ester composition having high curability and excellent in various properties such as dielectric characteristics and heat resistance in a cured product, the cured product thereof, a semiconductor sealing material and a printed wiring formed using the composition A substrate can be provided.
- the active ester composition of the present invention is characterized by containing an active ester compound (A) and a benzoxazine compound (B) as essential components.
- the molecular weight is also not particularly limited, and may be a compound having a single molecular weight, or may be an oligomer or a polymer having a molecular weight distribution.
- Specific examples of the active ester compound (A) include the following (A1) to (A4). These are merely examples of the active ester compound (A), and the active ester compound (A) of the present invention is not limited thereto.
- an active ester compound (A) may be used individually by 1 type, and may use together 2 types or more.
- Active ester compound (A1) Esterified compound of compound (a1) having one phenolic hydroxyl group in molecular structure and aromatic polycarboxylic acid or its acid halide
- (a2) Active ester compound (A2): Molecular Esterified product of a compound (a3) having two or more phenolic hydroxyl groups in the structure and an aromatic monocarboxylic acid or its acid halide (a4) / active ester compound (A3): one phenolic hydroxyl group in the molecular structure (A1), an aromatic polycarboxylic acid or an acid halide thereof (a2), and an esterified compound / active ester compound (A4) of a compound (a3) having two or more phenolic hydroxyl groups in the molecular structure: aromatic A polycarboxylic acid or its acid halide (a2), a compound having two or more phenolic hydroxyl groups in its molecular structure (a ) And esters of aromatic monocarboxylic acids or acid halides (a4)
- the compound (a1) having one phenolic hydroxyl group in the molecular structure include a phenol compound having one or more substituents on a phenol or phenol aromatic nucleus, a naphthol or a naphthol aromatic nucleus Examples thereof include naphthol compounds having one or more substituents, and anthracenols and anthracenol compounds having one or more substituents on the aromatic nucleus of anthracenol or the like.
- the substituent on the aromatic nucleus is, for example, an alkyl group such as methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group, cyclohexyl group, heptyl group, octyl group, nonyl group, etc .; Alkoxy groups such as ethoxy, propyloxy and butoxy; unsaturated groups containing structural moieties such as vinyl, vinyloxy, allyl, allyloxy, propargyl and propargyloxy; fluorine, chlorine and bromine Halogen atoms; phenyl groups, naphthyl groups, anthryl groups, and aryl groups in which the above alkyl groups, alkoxy groups, unsaturated group-containing structural sites, halogen atoms etc.
- alkyl group such as methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group,
- One of these may be used alone, or two or more may be used in combination.
- a phenol compound or naphthol compound is preferable because a cured product excellent in various properties such as dielectric properties and heat resistance can be obtained, and an aliphatic hydrocarbon group or an aryl group is preferably formed on a phenol, naphthol or aromatic nucleus thereof.
- Compounds having one or two are more preferred.
- the aromatic polycarboxylic acid or its acid halide (a2) is, for example, benzenedicarboxylic acid such as isophthalic acid or terephthalic acid, benzenetricarboxylic acid such as trimellitic acid, naphthalene-1,4-dicarboxylic acid, naphthalene-2 Naphthalenedicarboxylic acids such as 2,3-dicarboxylic acid, naphthalene-2,6-dicarboxylic acid, naphthalene-2,7-dicarboxylic acid, acid halides of these, and the alkyl group or the alkoxy group on their aromatic nuclei, The compound etc.
- benzenedicarboxylic acid such as isophthalic acid or terephthalic acid
- benzenetricarboxylic acid such as trimellitic acid
- naphthalene-1,4-dicarboxylic acid naphthalene-2
- Naphthalenedicarboxylic acids such as 2,
- the acid halide include acid chlorides, acid bromides, acid fluorides, acid iodides and the like. These may be used alone or in combination of two or more. Among them, benzenedicarboxylic acid such as isophthalic acid or terephthalic acid or an acid halide thereof is preferable because a cured product excellent in various properties such as dielectric properties and heat resistance can be obtained.
- the compound (a3) having two or more phenolic hydroxyl groups in the molecular structure is, for example, dihydroxybenzene, dihydroxynaphthalene, dihydroxyanthracene, biphenol, bisphenol and a compound having one or more substituents on the aromatic nucleus thereof
- R 2 is each independently an alkyl group, an alkoxy group, an unsaturated group-containing structural moiety, a halogen atom, an aryl group or an aralkyl group, and i is an integer of 0 or 1 to 4.
- Z is any of a vinyl group, a halomethyl group, a hydroxymethyl group and an alkyloxymethyl group.
- Y is any of an alkylene group having 1 to 4 carbon atoms, an oxygen atom, a sulfur atom and a carbonyl group.
- j is an integer of 1 to 4; ]
- the reaction product etc. which make a compound (x) represented by either of these as an essential reaction raw material are mentioned.
- the compounds (a3) having two or more phenolic hydroxyl groups in the molecular structure may be used alone or in combination of two or more. Among them, since a cured product excellent in various properties such as dielectric properties and heat resistance can be obtained, one or more kinds of the compound (a1) having one phenolic hydroxyl group in the molecular structure and the structural formula (x-1) A reaction product is preferred which uses the compound (x) represented by any of the above) to (x-4) as an essential reaction raw material.
- the reaction of the compound (a1) having one phenolic hydroxyl group in the molecular structure with the compound (x) is carried out by a method of heating and stirring under a temperature condition of about 80 to 180 ° C. under an acid catalyst condition. be able to.
- the aromatic monocarboxylic acid or the acid halide (a4) thereof is, for example, benzoic acid or benzoyl halide, the alkyl group or the alkoxy group on the aromatic nucleus thereof, the unsaturated group-containing structural moiety, the halogen atom
- the compound etc. which the etc. substituted are mentioned. These may be used alone or in combination of two or more.
- the active ester compound (A) can be produced, for example, by a method of mixing and stirring each reaction raw material under the temperature condition of about 40 to 65 ° C. in the presence of an alkali catalyst.
- the reaction may be carried out in an organic solvent as required.
- the reaction product may be purified by washing with water, reprecipitation or the like.
- alkali catalyst examples include sodium hydroxide, potassium hydroxide, triethylamine, pyridine and the like. These may be used alone or in combination of two or more. Further, it may be used as an aqueous solution of about 3.0 to 30%. Among them, sodium hydroxide or potassium hydroxide having high catalytic ability is preferable.
- organic solvent examples include ketone solvents such as acetone, methyl ethyl ketone and cyclohexanone, ethyl acetate, butyl acetate, cellosolve acetate, acetate solvents such as propylene glycol monomethyl ether acetate and carbitol acetate, carbitol such as cellosolve and butyl carbitol Examples thereof include solvents, aromatic hydrocarbon solvents such as toluene and xylene, dimethylformamide, dimethylacetamide, N-methylpyrrolidone and the like. These may be used alone or in combination of two or more.
- reaction ratio of each reaction raw material is suitably adjusted according to the desired physical property etc. of the active ester compound (A) obtained, Especially preferably, it is as follows.
- the reaction ratio between the compound (a1) having one phenolic hydroxyl group in the molecular structure and the aromatic polycarboxylic acid or its acid halide (a2) is the target Since the active ester compound (A1) can be obtained in a high yield, the molecular structure in the molecular structure with respect to 1 mol in total of the carboxyl group or the acid halide group of the aromatic polycarboxylic acid or the acid halide (a2) thereof.
- the proportion of the compound (a1) having one phenolic hydroxyl group is preferably 0.95 to 1.05 moles.
- the reaction of a compound (a3) having two or more phenolic hydroxyl groups in the molecular structure with an esterified product of the aromatic monocarboxylic acid or its acid halide (a4) The ratio is that the target active ester compound (A2) can be obtained in a high yield, and the total amount is 1 mole of the phenolic hydroxyl groups of the compound (a3) having two or more phenolic hydroxyl groups in the molecular structure.
- the proportion of the aromatic monocarboxylic acid or its acid halide (a4) is preferably 0.95 to 1.05 moles.
- the active ester compound (A3) In the production of the active ester compound (A3), a compound (a1) having one phenolic hydroxyl group in the molecular structure, the aromatic polycarboxylic acid or its acid halide (a2), and a phenolic compound in the molecular structure
- the reaction ratio of the compound (a3) having two or more hydroxyl groups is determined by the number of moles of hydroxyl groups possessed by the compound (a1) having one phenolic hydroxyl group in the molecular structure and two or more phenolic hydroxyl groups in the molecular structure.
- the ratio to the number of moles of the hydroxyl group of the compound (a3) is preferably 95/5 to 25/75, and more preferably 90/10 to 70/30.
- the reaction ratio of each component may be appropriately adjusted, and the mixture may be produced as a mixture of the active ester compound (A1) and (A3).
- the aromatic polycarboxylic acid or its acid halide (a2), a compound (a3) having two or more phenolic hydroxyl groups in the molecular structure, and the aromatic monocarboxylic acid Or the reaction ratio of the acid halide (a4) is the sum of the carboxyl group or the acid halide group of the aromatic monocarboxylic acid or the acid halide (a4) and the aromatic polycarboxylic acid or the acid halide thereof
- the ratio to the total of the carboxyl group or acid halide group of (a2) is preferably 95/5 to 25/75, and more preferably 90/10 to 70/30.
- the reaction ratio of each component may be adjusted as appropriate, and the mixture may be produced as a mixture of the active ester compound (A2) and (A4).
- the melt viscosity at 150 ° C. of the active ester compounds (A1) and (A2) is preferably in the range of 0.01 to 5 dPa ⁇ s.
- the melt viscosity at 150 ° C. is a value measured with an ICI viscometer in accordance with ASTM D4287.
- the softening point of the active ester compounds (A3) and (A4) measured in accordance with JIS K 7234 is preferably in the range of 80 to 180 ° C., and more preferably in the range of 85 to 160 ° C.
- the melt viscosity at 150 ° C. of the active ester compound (A) as a whole is preferably in the range of 0.01 to 50 dPa ⁇ s, More preferably, it is in the range of 0.01 to 10 dPa ⁇ s.
- the melt viscosity at 150 ° C. is a value measured with an ICI viscometer in accordance with ASTM D4287.
- the active ester compound (A1) or (A2) is preferable because it is particularly excellent in the dielectric properties and heat resistance of the cured product and has a low melt viscosity.
- the ester compound (A1) is particularly preferred.
- the ratio of the active ester compound (A1) or (A2) in the active ester compound (A) is preferably 30% or more, more preferably 50% or more, and 60% or more Particularly preferred.
- the ratio of the active ester compounds (A1) and (A2) in the active ester compound (A) is a value calculated from the area ratio of the GPC chart diagram measured under the following conditions.
- Measuring device "HLC-8320 GPC” manufactured by Tosoh Corporation, Column: Tosoh Corp. guard column “HXL-L” + “TSK-GEL G4000HXL” manufactured by Tosoh Corporation + “TSK-GEL G3000HXL” manufactured by Tosoh Corporation + “TSK-GEL G2000 HXL” manufactured by Tosoh Corporation + “TSK-GEL G2000 HXL” manufactured by Tosoh Corporation Detector: RI (differential refractometer) Data processing: "GPC Workstation EcoSEC-WorkStation” manufactured by Tosoh Corporation Measurement conditions: Column temperature 40 ° C Developing solvent: Tetrahydrofuran Flow rate: 1.0 ml / min Standard: According to the measurement manual of the above-mentioned "GPC-8320", the following monodispersed polystyrene having a known molecular weight was used.
- the specific structure, molecular weight and the like of the benzoxazine compound (B) are not particularly limited as long as the compound has one or more benzoxazine ring structures in the molecular structure, and a wide variety of compounds can be used.
- Examples of the benzoxazine compound (B) include a reaction product containing an aromatic amine compound (b1), a phenolic hydroxyl group-containing compound (b2) and formaldehyde as essential reaction raw materials.
- aromatic amine compound (b1) examples include phenylamine, phenylenediamine, diaminodiphenylalkane, diaminodiphenylsulfone, and compounds having one or more substituents on the aromatic nucleus thereof.
- the substituent on the aromatic nucleus is, for example, an alkyl group such as methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group, cyclohexyl group, heptyl group, octyl group, nonyl group, etc .; Alkoxy groups such as ethoxy, propyloxy and butoxy; unsaturated groups containing structural moieties such as vinyl, vinyloxy, allyl, allyloxy, propargyl and propargyloxy; fluorine, chlorine and bromine Halogen atoms; phenyl groups, naphthyl groups, anthryl groups, and aryl groups in which the above alkyl groups, alkoxy groups, unsaturated group-containing structural sites, halogen atoms etc.
- alkyl group such as methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group,
- These may be used alone or in combination of two or more.
- the compound which has two or more is preferable.
- the phenolic hydroxyl group-containing compound (b2) is exemplified as, for example, a compound (a1) having one phenolic hydroxyl group in the molecular structure or a compound (a3) having two or more phenolic hydroxyl groups in the molecular structure. And the like. These may be used alone or in combination of two or more. Among these, phenol, naphthol, or a compound having one or more of the above unsaturated group-containing structural sites on these aromatic nuclei is obtained because it becomes an active ester composition having high curability and excellent balance between viscosity and heat resistance. preferable.
- the benzoxazine compound (B) can be produced, for example, by a method of mixing and stirring a reaction raw material under a temperature condition of about 50 to 100 ° C.
- the reaction may be carried out in an organic solvent as required.
- the reaction product may be purified by washing with water, reprecipitation or the like.
- organic solvent examples include ketone solvents such as acetone, methyl ethyl ketone and cyclohexanone, ethyl acetate, butyl acetate, cellosolve acetate, acetate solvents such as propylene glycol monomethyl ether acetate and carbitol acetate, carbitol such as cellosolve and butyl carbitol Examples thereof include solvents, aromatic hydrocarbon solvents such as toluene and xylene, dimethylformamide, dimethylacetamide, N-methylpyrrolidone and the like. These may be used alone or in combination of two or more.
- the reaction ratio of the aromatic amine compound (b1), the phenolic hydroxyl group-containing compound (b2) and formaldehyde is appropriately adjusted according to the desired physical properties and the like of the benzoxazine compound (B) to be obtained, but is particularly preferably It is as follows.
- the number of moles of hydroxyl groups in the phenolic hydroxyl group-containing compound (b2) relative to 1 mole of amino groups in the aromatic amine compound (b1) is preferably in the range of 0.95 to 1.05.
- formaldehyde in the range of 1.95 to 2.05 mol with respect to the total of the amino group in the aromatic amine compound (b2) and the hydroxyl group in the phenolic hydroxyl group-containing compound (b2). .
- the mixing ratio of the active ester compound (A) and the benzoxazine compound (B) is appropriately adjusted according to the desired curability and physical properties of the cured product, but in particular,
- the benzoxazine compound (B) is preferably contained in an amount of 0.1 to 500 parts by mass with respect to 100 parts by mass of the active ester compound (A) because the balance between the curability and the physical properties of the cured product is excellent.
- the content is more preferably in the range of 10 to 400 parts by mass, and particularly preferably in the range of 10 to 90 parts by mass.
- the curable composition of the present invention contains the active ester composition and a curing agent.
- the curing agent may be a compound capable of reacting with the active ester composition of the present invention, and various compounds can be used without particular limitation.
- An epoxy resin is mentioned as an example of a hardening agent, for example.
- Examples of the epoxy resin include polyglycidyl ether of a compound (a3) having two or more phenolic hydroxyl groups in the molecular structure.
- the blending ratio of the active ester composition and the curing agent is not particularly limited, and can be appropriately adjusted according to the desired cured product performance and the like.
- the total of the functional groups in the active ester composition is 0.7 to 1.5 moles with respect to 1 mole in total of the epoxy groups in the epoxy resin.
- the ratio is preferably
- the functional group in the active ester composition refers to the ester bond site in the active ester composition and the benzoxazine ring structure.
- the functional group equivalent of an active ester composition is a value calculated from the preparation amount of the reaction raw material.
- the curable composition of the present invention may further contain a curing accelerator.
- the curing accelerator include phosphorus compounds, tertiary amines, imidazole compounds, pyridine compounds, organic acid metal salts, Lewis acids, amine complex salts and the like. Among them, triphenylphosphine for a phosphorus compound and 1,8-diazabicyclo- [5.4.0] -undecene for a tertiary amine from the viewpoint of excellent curability, heat resistance, dielectric properties, moisture absorption resistance, etc. And imidazole compounds, 2-ethyl-4-methylimidazole, and pyridine compounds, 4-dimethylaminopyridine and 2-phenylimidazole are preferable.
- the amount of the curing accelerator added is preferably in the range of 0.01 to 15% by mass in 100 parts by mass of the curable composition.
- the curable composition of the present invention may further contain other resin components.
- Other resin components include, for example, phenolic hydroxyl group-containing compounds such as compound (a3) having two or more phenolic hydroxyl groups in the molecular structure; diaminodiphenylmethane, diethylenetriamine, triethylenetetramine, diaminodiphenylsulfone, isophorone diamine, imidazo -Amine compounds such as BF 3 -amine complexes and guanidine derivatives; Amide compounds such as polyamide resins synthesized from dicyandiamide, dimer of linolenic acid and ethylene diamine; Phthalic anhydride, trimellitic anhydride, pyromellitic anhydride Acid anhydrides such as maleic acid anhydride, tetrahydrophthalic anhydride, methyltetrahydrophthalic anhydride, methyl nadic anhydride, hexahydrophthalic anhydride, methyl hex
- the blending ratio of these other resin components is not particularly limited, and can be appropriately adjusted according to the desired cured product performance and the like. As an example of the blending ratio, it is preferable to use in the range of 1 to 50% by mass in the curable composition of the present invention.
- the curable composition of the present invention may optionally contain various additives such as a flame retardant, an inorganic filler, a silane coupling agent, a mold release agent, a pigment and an emulsifier.
- various additives such as a flame retardant, an inorganic filler, a silane coupling agent, a mold release agent, a pigment and an emulsifier.
- the flame retardant examples include inorganic phosphorus compounds such as red phosphorus, monoammonium phosphate, diammonium phosphate, ammonium triphosphate, ammonium phosphate such as ammonium polyphosphate, and phosphoric acid amide; phosphoric acid ester compounds, phosphonic acid Compound, phosphinic acid compound, phosphine oxide compound, phosphorane compound, organic nitrogen-containing phosphorus compound, 9,10-dihydro-9-oxa-10-phosphaphenanthrene-10-oxide, 10- (2,5-dihydrooxyphenyl) Cyclic organophosphorus such as 10H-9-oxa-10-phosphaphenanthrene-10-oxide, 10- (2,7-dihydroxynaphthyl) -10H-9-oxa-10-phosphaphenanthrene-10-oxide, etc.
- inorganic phosphorus compounds such as red phosphorus, monoammonium phosphate, diammonium phosphate,
- Organophosphorus compounds such as derivatives reacted with triazine compounds, cyanuric acid compounds, isocyanuric acid compounds, nitrogen based flame retardants such as phenothiazine; silicone based flame retardants such as silicone oil, silicone rubber, silicone resin, metal hydroxide, Inorganic flame retardants, such as a metal oxide, a metal carbonate compound, a metal powder, a boron compound, and low melting glass, etc. are mentioned.
- a flame retardant is used, it is preferably in the range of 0.1 to 20% by mass in the curable composition.
- the said inorganic filler is mix
- the inorganic filler include fused silica, crystalline silica, alumina, silicon nitride, and aluminum hydroxide.
- the fused silica is preferable because it is possible to mix more of the inorganic filler.
- the fused silica may be used in either a crushed or spherical shape, but in order to increase the blending amount of the fused silica and to suppress an increase in the melt viscosity of the curable composition, the spherical one is mainly used. Is preferred.
- the filling rate is preferably in the range of 0.5 to 95 parts by mass with respect to 100 parts by mass of the curable composition.
- electroconductive fillers such as silver powder and copper powder, can be used.
- the active ester composition of the present invention and the curable composition using the same have features of high curability and excellent physical properties of cured products such as dielectric properties and heat resistance.
- the general required performance required for resin materials such as solubility in general purpose organic solvents and storage stability is sufficiently high. Therefore, it can be widely used for applications such as paints, adhesives, and molded products as well as applications of electronic materials such as semiconductor sealing materials, printed wiring boards, and resist materials.
- the semiconductor sealing material can be prepared by mixing the blend using, for example, an extruder, a kneader, a roll and the like.
- the method for molding a semiconductor package using the obtained semiconductor sealing material is, for example, molding the semiconductor sealing material using a casting or transfer molding machine, an injection molding machine or the like, and further at a temperature of 50 to 200 ° C. A method of heating under conditions for 2 to 10 hours may be mentioned, and a semiconductor device which is a molded product can be obtained by such a method.
- the curable composition of the present invention is used for printed wiring board applications and build-up adhesive film applications, it is generally preferable to use an organic solvent after blending and diluting.
- the organic solvent include methyl ethyl ketone, acetone, dimethylformamide, methyl isobutyl ketone, methoxypropanol, cyclohexanone, methyl cellosolve, ethyl diglycol acetate, and propylene glycol monomethyl ether acetate.
- the kind and compounding quantity of the organic solvent can be suitably adjusted according to the use environment of a curable composition, for example, it is a polar solvent whose boiling points are 160 degrees C or less such as methyl ethyl ketone, acetone, dimethylformamide etc. in printed wiring board use. It is preferable to use at a ratio of 40 to 80% by mass of non-volatile matter.
- ketone solvents such as acetone, methyl ethyl ketone and cyclohexanone, ethyl acetate, butyl acetate, cellosolve acetate, acetate solvents such as propylene glycol monomethyl ether acetate and carbitol acetate, carbitols such as cellosolve and butyl carbitol
- a solvent an aromatic hydrocarbon solvent such as toluene, xylene, etc., dimethylformamide, dimethylacetamide, N-methylpyrrolidone or the like, and it is preferable to use it at a ratio of 30 to 60% by mass of non volatile matter.
- the curable composition is impregnated into a reinforcing substrate and cured to obtain a prepreg, which is overlaid with a copper foil and heated.
- a reinforcing substrate include paper, glass cloth, glass nonwoven fabric, aramid paper, aramid cloth, glass mat, glass roving cloth and the like.
- the amount of impregnation of the curable composition is not particularly limited, but in general, it is preferable to prepare so that the resin content in the prepreg is 20 to 60% by mass.
- melt viscosity of the active ester compound (A) is a value at 150 ° C. measured with an ICI viscometer in accordance with ASTM D4287.
- the number average molecular weight (Mn) of the raw material phenolic compound of the active ester composition (A-2) was measured by GPC under the following conditions. Further, the ratio of each component in the active ester composition (A-2) was calculated from the area ratio of the GPC chart diagram measured under the following conditions. Measuring device: "HLC-8320 GPC" manufactured by Tosoh Corporation, Column: Tosoh Corp.
- Production Example 2 Production of Active Ester (A-2) Into a flask equipped with a thermometer, a dropping funnel, a condenser, a fractionation pipe, and a stirrer, 202 g of isophthalic acid chloride and 1250 g of toluene are charged and the system is purged with nitrogen under reduced pressure. It was dissolved. Subsequently, 247 g of 1-naphthol and a dicyclopentadiene addition type phenol compound (represented by the following structural formula, having an average value of t calculated from a number average molecular weight (Mn) of 0.2, hydroxyl equivalent 166.6 g / 47g was charged, and the system was dissolved while replacing with nitrogen under reduced pressure.
- Mn number average molecular weight
- tetrabutylammonium bromide 400 g was added dropwise over 3 hours while controlling the inside of the system to 60 ° C. or lower while performing nitrogen gas purge. After completion of the dropwise addition, stirring was continued as it is for 1 hour to cause a reaction. After completion of the reaction, the reaction mixture was allowed to stand still, separated, and the aqueous layer was removed. Water was added to the remaining organic layer, and the mixture was stirred and mixed for about 15 minutes, and then the mixture was allowed to stand to separate and separate the aqueous layer.
- an active ester (A-2) After repeating this operation until the pH of the aqueous layer reached 7, water and toluene were removed by decantation to obtain an active ester (A-2).
- the melt viscosity of the active ester (A-2) was 2.5 dPa ⁇ s.
- the content of the component corresponding to the active ester compound (A1) in the active ester (A-2) was 73% as a value calculated from the area ratio of the GPC chart.
- n is 0 or 1 and t is an integer of 0 or 1 or more
- the solvent was removed from the organic layer under heating and reduced pressure conditions to obtain 239 g of a benzoxazine compound (B-1).
- the melt viscosity of the benzoxazine compound (B-1) was 0.1 dPa ⁇ s.
- each compound used by this-application Example and the comparative example is as follows.
- -Benzooxazine compound (B-2) "benzoxazine P-d type” manufactured by Shikoku Kasei Kogyo Co., Ltd.
- the curable composition was poured into a mold using a press and molded at 185 ° C. for 10 minutes.
- the molded product was removed from the mold and allowed to cure at 185 ° C. for an additional 5 hours.
- the molded article after curing was cut into a size of 5 mm ⁇ 54 mm ⁇ 2.4 mm and used as a test piece.
- the change in elastic modulus becomes maximum (tan ⁇ change rate) under the conditions of the rectangular tension method, frequency 1 Hz, temperature increase temperature 3 ° C./min using a visco-elasticity measurement device (“solid visco-elasticity measurement device RSAII” manufactured by Rheometrics)
- the highest temperature was evaluated as the glass transition temperature.
- the curable composition was poured into a mold using a press and molded at 185 ° C. for 10 minutes.
- the molded product was removed from the mold and allowed to cure at 185 ° C. for an additional 5 hours.
- the molded article after curing was cut into a size of 1.6 mm ⁇ 105 mm ⁇ 1.6 mm and used as a test piece.
- Test pieces stored in a room at 23 ° C and 50% humidity for 24 hours after heating and vacuum drying are compliant with JIS-C-6481 using an impedance material analyzer "HP4291B" manufactured by Agilent Technologies, Inc. at 1 GHz
- the dielectric loss tangent measurement value of was evaluated according to the following criteria.
- B more than 0.010 0.015 or less
- C more than 0.015 0.020 or less
- D more than 0.020
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Abstract
Description
本発明の活性エステル組成物は、活性エステル化合物(A)と、ベンゾオキサジン化合物(B)とを必須の成分とすることを特徴とする。
・活性エステル化合物(A1):分子構造中にフェノール性水酸基を一つ有する化合物(a1)と芳香族ポリカルボン酸又はその酸ハロゲン化物(a2)とのエステル化物
・活性エステル化合物(A2):分子構造中にフェノール性水酸基を2つ以上有する化合物(a3)と芳香族モノカルボン酸又はその酸ハロゲン化物(a4)とのエステル化物
・活性エステル化合物(A3):分子構造中にフェノール性水酸基を一つ有する化合物(a1)、芳香族ポリカルボン酸又はその酸ハロゲン化物(a2)及び分子構造中にフェノール性水酸基を2つ以上有する化合物(a3)のエステル化物
・活性エステル化合物(A4):芳香族ポリカルボン酸又はその酸ハロゲン化物(a2)、分子構造中にフェノール性水酸基を2つ以上有する化合物(a3)及び芳香族モノカルボン酸又はその酸ハロゲン化物(a4)のエステル化物
の何れかで表される化合物(x)とを必須の反応原料とする反応生成物等が挙げられる。
カラム:東ソー株式会社製ガードカラム「HXL-L」
+東ソー株式会社製「TSK-GEL G4000HXL」
+東ソー株式会社製「TSK-GEL G3000HXL」
+東ソー株式会社製「TSK-GEL G2000HXL」
+東ソー株式会社製「TSK-GEL G2000HXL」
検出器: RI(示差屈折計)
データ処理:東ソー株式会社製「GPCワークステーション EcoSEC-WorkStation」
測定条件: カラム温度 40℃
展開溶媒 テトラヒドロフラン
流速 1.0ml/分
標準 : 前記「GPC-8320」の測定マニュアルに準拠して、分子量が既知の下記の単分散ポリスチレンを用いた。
(使用ポリスチレン)
東ソー株式会社製「A-500」
東ソー株式会社製「A-1000」
東ソー株式会社製「A-2500」
東ソー株式会社製「A-5000」
東ソー株式会社製「F-1」
東ソー株式会社製「F-2」
東ソー株式会社製「F-4」
東ソー株式会社製「F-10」
東ソー株式会社製「F-20」
東ソー株式会社製「F-40」
東ソー株式会社製「F-80」
東ソー株式会社製「F-128」
試料 : 樹脂固形分換算で1.0質量%のテトラヒドロフラン溶液をマイクロフィルターでろ過したもの(50μl)
測定装置 :東ソー株式会社製「HLC-8320 GPC」、
カラム:東ソー株式会社製ガードカラム「HXL-L」
+東ソー株式会社製「TSK-GEL G4000HXL」
+東ソー株式会社製「TSK-GEL G3000HXL」
+東ソー株式会社製「TSK-GEL G2000HXL」
+東ソー株式会社製「TSK-GEL G2000HXL」
検出器: RI(示差屈折計)
データ処理:東ソー株式会社製「GPCワークステーション EcoSEC-WorkStation」
測定条件: カラム温度 40℃
展開溶媒 テトラヒドロフラン
流速 1.0ml/分
標準 : 前記「GPC-8320」の測定マニュアルに準拠して、分子量が既知の下記の単分散ポリスチレンを用いた。
(使用ポリスチレン)
東ソー株式会社製「A-500」
東ソー株式会社製「A-1000」
東ソー株式会社製「A-2500」
東ソー株式会社製「A-5000」
東ソー株式会社製「F-1」
東ソー株式会社製「F-2」
東ソー株式会社製「F-4」
東ソー株式会社製「F-10」
東ソー株式会社製「F-20」
東ソー株式会社製「F-40」
東ソー株式会社製「F-80」
東ソー株式会社製「F-128」
試料 : 樹脂固形分換算で1.0質量%のテトラヒドロフラン溶液をマイクロフィルターでろ過したもの(50μl)
温度計、滴下ロート、冷却管、分留管、攪拌器を取り付けたフラスコにイソフタル酸クロリド202g、トルエン1250gを仕込み、系内を減圧窒素置換しながら溶解させた。次いで、1-ナフトール288gを仕込み、系内を減圧窒素置換しながら溶解させた。テトラブチルアンモニウムブロマイド0.6gを加え、窒素ガスパージを施しながら、系内を60℃以下に制御して、20%水酸化ナトリウム水溶液400gを3時間かけて滴下した。滴下終了後、そのまま1時間撹拌を続けて反応させた。反応終了後、反応混合物を静置して分液し、水層を取り除いた。残った有機層に水を加えて約15分間攪拌混合した後、混合物を静置して分液し、水層を取り除いた。水層のpHが7になるまでこの操作を繰り返した後、デカンタ脱水で水分とトルエンを除去し、活性エステル化合物(A-1)を得た。活性エステル化合物(A-1)の溶融粘度は0.6dPa・sであった。
温度計、滴下ロート、冷却管、分留管、攪拌器を取り付けたフラスコにイソフタル酸クロリド202g、トルエン1250gを仕込み、系内を減圧窒素置換しながら溶解させた。次いで、1-ナフトール247gとジシクロペンタジエン付加型フェノール化合物(下記構造式で表され、数平均分子量(Mn)から算出されるtの平均値が0.2であるもの、水酸基当量166.6g/当量)47gを仕込み、系内を減圧窒素置換しながら溶解させた。テトラブチルアンモニウムブロマイド0.6gを加え、窒素ガスパージを施しながら、系内を60℃以下に制御して、20%水酸化ナトリウム水溶液400gを3時間かけて滴下した。滴下終了後、そのまま1時間撹拌を続けて反応させた。反応終了後、反応混合物を静置して分液し、水層を取り除いた。残った有機層に水を加えて約15分間攪拌混合した後、混合物を静置して分液し、水層を取り除いた。水層のpHが7になるまでこの操作を繰り返した後、デカンタ脱水で水分とトルエンを除去し、活性エステル(A-2)を得た。活性エステル(A-2)の溶融粘度は2.5dPa・sであった。また、活性エステル(A-2)中の活性エステル化合物(A1)に相当する成分の含有量はGPCチャート図の面積比から算出される値で73%であった。
滴下ロート、温度計、攪拌装置、加熱装置、冷却還流管を取り付けた4つ口フラスコに窒素ガスを流しながら、4-プロパルギルオキシアニリン147.2g、4-プロパルギルオキシフェノール148.2gを仕込み、トルエン750gに溶解させた。94%パラホルムアルデヒド63.9gを加え、攪拌しながら80℃まで加熱し、80℃で7時間撹拌した。反応混合物を分液ロートに移して水層を除去した。そ有機層から溶媒を加熱減圧条件下で除去し、ベンゾオキサジン化合物(B-1)239gを得た。ベンゾオキサジン化合物(B-1)の溶融粘度は0.1dPa・sであった。
・ベンゾオキサジン化合物(B-2):四国化成工業株式会社製「ベンゾオキサジン P-d型」、下記構造式(B-2)で表される化合物
・エポキシ樹脂:DIC株式会社製「N-665-EXP-S」、クレゾールノボラック型エポキシ樹脂、エポキシ基当量202g/当量
下記表1に示す割合で各成分を配合し、硬化性組成物を得た。得られた硬化性組成物について、下記要領で各評価試験を行った。結果を表1に示す。
トリフェニルホスフィン以外の成分を混合した硬化性組成物について、ASTM D4287に準拠し、150℃での溶融粘度をICI粘度計にて測定した。
表1に示す割合で各成分を配合した後、185℃に熱したホットプレート上に硬化性組成物0.15gを載せ、スパチュラで撹拌しながらゲル状になるまでの時間を測定した。同操作を三回繰り返し、その平均値で評価した。
プレス機を用いて硬化性組成物を型枠へ流し込み185℃で10分間成型した。型枠から成型物を取り出し、185℃で更に5時間硬化させた。硬化後の成形物を5mm×54mm×2.4mmのサイズに切り出し、これを試験片とした。
粘弾性測定装置(レオメトリック社製「固体粘弾性測定装置RSAII」)を用い、レクタンギュラーテンション法、周波数1Hz、昇温温度3℃/分の条件で、弾性率変化が最大となる(tanδ変化率が最も大きい)温度をガラス転移温度として評価した。
プレス機を用いて硬化性組成物を型枠へ流し込み185℃で10分間成型した。型枠から成型物を取り出し、185℃で更に5時間硬化させた。硬化後の成形物を5mm×5mm×2.4mmのサイズに切り出し、これを試験片とした。
熱機械分析装置(株式会社日立ハイテクサイエンス製「EXSTAR6000 TMA/SS6100」)を用い、昇温速度3℃/分、測定架重88.8mN、測定温度範囲――60℃~270℃の条件で、40℃から60℃の温度範囲における線膨張係数を2度測定し、2度目の測定値で評価した。
プレス機を用いて硬化性組成物を型枠へ流し込み185℃で10分間成型した。型枠から成型物を取り出し、185℃で更に5時間硬化させた。硬化後の成形物を1.6mm×105mm×1.6mmのサイズに切り出し、これを試験片とした。
加熱真空乾燥後、23℃、湿度50%の室内に24時間保管した試験片について、JIS-C-6481に準拠し、アジレント・テクノロジー株式会社製インピーダンス・マテリアル・アナライザ「HP4291B」を用い、1GHzでの誘電正接測定値を下記基準で評価した。
A:0.010以下
B:0.010を超えて0.015以下
C:0.015を超える0.020以下
D:0.020を超える
Claims (7)
- 活性エステル化合物(A)とベンゾオキサジン化合物(B)とを必須の成分とする活性エステル組成物。
- 前記活性エステル化合物(A)が、分子構造中にフェノール性水酸基を一つ有する化合物(a1)と芳香族ポリカルボン酸又はその酸ハロゲン化物(a2)とのエステル化物である活性エステル化合物(A1)、又は分子構造中にフェノール性水酸基を2つ以上有する化合物(a3)と芳香族モノカルボン酸又はその酸ハロゲン化物(a4)とのエステル化物である活性エステル化合物(A2)を必須の成分とする請求項1記載の活性エステル組成物。
- 前記活性エステル化合物(A)100質量部に対し、前記ベンゾオキサジン化合物(B)を0.1~500質量部の範囲で含有する請求項1記載の活性エステル組成物。
- 請求項1~3のいずれかに記載の活性エステル組成物と硬化剤とを含有する硬化性組成物。
- 請求項4記載の硬化性組成物の硬化物。
- 請求項4記載の硬化性組成物を用いてなる半導体封止材料。
- 請求項4記載の硬化性組成物を用いてなるプリント配線基板。
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KR (1) | KR20200020693A (ja) |
CN (1) | CN110785399A (ja) |
TW (1) | TW201904929A (ja) |
WO (1) | WO2019003820A1 (ja) |
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- 2018-06-05 WO PCT/JP2018/021498 patent/WO2019003820A1/ja active Application Filing
- 2018-06-05 KR KR1020197036328A patent/KR20200020693A/ko not_active Application Discontinuation
- 2018-06-05 CN CN201880042376.5A patent/CN110785399A/zh active Pending
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Also Published As
Publication number | Publication date |
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KR20200020693A (ko) | 2020-02-26 |
TW201904929A (zh) | 2019-02-01 |
CN110785399A (zh) | 2020-02-11 |
JPWO2019003820A1 (ja) | 2020-04-30 |
US20210139641A1 (en) | 2021-05-13 |
JP7276665B2 (ja) | 2023-05-18 |
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