WO2024070773A1 - 多官能ビニル化合物、その組成物、及び硬化物 - Google Patents
多官能ビニル化合物、その組成物、及び硬化物 Download PDFInfo
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- WO2024070773A1 WO2024070773A1 PCT/JP2023/033749 JP2023033749W WO2024070773A1 WO 2024070773 A1 WO2024070773 A1 WO 2024070773A1 JP 2023033749 W JP2023033749 W JP 2023033749W WO 2024070773 A1 WO2024070773 A1 WO 2024070773A1
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C43/00—Ethers; Compounds having groups, groups or groups
- C07C43/02—Ethers
- C07C43/20—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring
- C07C43/215—Ethers having an ether-oxygen atom bound to a carbon atom of a six-membered aromatic ring having unsaturation outside the six-membered aromatic rings
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F12/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F12/34—Monomers containing two or more unsaturated aliphatic radicals
Definitions
- the present invention relates to vinyl compounds, and more specifically to polyfunctional vinyl compounds with excellent solvent solubility that are useful as insulating materials for electrical and electronic components such as semiconductor encapsulation, laminates, and heat dissipation substrates, compositions thereof, and cured resins obtained by curing them that have excellent heat resistance, thermal decomposition stability, thermal conductivity, low dielectric constant, low dielectric tangent, and flame retardancy.
- the thermal conductivity of the inorganic filler is overwhelmingly higher than that of the matrix resin, and even if the thermal conductivity of the matrix resin itself is increased, it does not contribute significantly to improving the thermal conductivity of the composite material, and a sufficient effect of improving thermal conductivity has not been obtained.
- Patent Document 7 proposes a tetrafunctional or higher vinyl resin with a biphenyl skeleton as a multifunctional vinyl resin that combines high thermal conductivity and low dielectric tangent, but does not describe the solvent solubility of the multifunctional vinyl resin or the polyhydric hydroxyl resin that is its raw material, nor does it mention the effect of impurities such as remaining polar groups on thermal conductivity.
- JP 2009-170493 A International Publication No. 2013/100172 Japanese Patent Application Laid-Open No. 11-147936 JP 2002-309067 A Japanese Patent Application Laid-Open No. 11-323162 Japanese Patent Application Laid-Open No. 9-118673 International Publication No. 2021-200414
- the object of the present invention is to provide a vinyl composition that is useful for sealing electric and electronic components, as a circuit board material, etc., and that gives a cured product that has excellent solvent solubility as well as excellent heat resistance, thermal decomposition stability, thermal conductivity, low dielectric constant, low dielectric tangent, and flame retardancy, and to provide the cured product.
- Another object is to provide a vinyl compound that can be used in this vinyl composition.
- R1 to R4 each independently represent a hydrogen atom or a monovalent hydrocarbon group having 1 to 6 carbon atoms.
- At least one of R1 to R4 in the above multifunctional vinyl compound is a methyl group or a phenyl group.
- the present invention also relates to a multifunctional vinyl composition containing the above-mentioned multifunctional vinyl compound and a radical polymerization initiator as essential components, and a multifunctional vinyl cured product obtained by curing this multifunctional vinyl composition.
- the polyfunctional vinyl compounds of the present invention have excellent solvent solubility and are suitable for use in vinyl resin compositions and their cured products for applications such as lamination, molding, casting, and adhesion. Furthermore, these cured products also have excellent heat resistance, thermal decomposition stability, thermal conductivity, low dielectric constant, low dielectric tangent, and flame retardancy, making them suitable for sealing electrical and electronic components, as circuit board materials, etc.
- Example 1 is a GPC chart of the polyfunctional vinyl compound obtained in Example 1.
- R1 to R4 are each independently a hydrogen atom or a monovalent hydrocarbon group having 1 to 6 carbon atoms.
- an alkyl group is preferable, and from the viewpoint of heat resistance and high thermal conductivity, an aromatic group is preferable.
- an alkyl group having more than 6 carbon atoms it becomes difficult to suppress molecular motion, and there is a concern of a decrease in compatibility.
- a bulky structure with large steric hindrance increases crystallinity, which raises concerns about solvent solubility.
- a more preferable structure is a methyl group or a phenyl group.
- R1 to R4 may be a mixture of different structures.
- the substitution position of the vinyl benzyl ether is not particularly limited, but from the viewpoint of thermal conductivity and heat resistance, it is preferably in the para position relative to the methine group connecting the three aromatic rings. In particular, it is more preferable that all three vinyl benzyl ethers are in the para position.
- the number average molecular weight (Mn) of the polyfunctional vinyl compound of the present invention is preferably 2000 or less, more preferably 1500 or less.
- the compound may further contain a multi-branched structure represented by the following general formula (2), where n is the repeating number and is a number from 0 to 20.
- the average value (number average) of n is preferably in the range of 0.01 to 5.0, more preferably in the range of 0.01 to 2.0, and even more preferably in the range of 0.01 to 1.0. Therefore, the polyfunctional vinyl compound of the present invention is also called a polyfunctional vinyl resin.
- the preferred vinyl equivalent range for the polyfunctional vinyl compound of the present invention is 150 to 450 g/eq, and more preferably 200 to 300 g/eq. If it is less than this range, the reaction will occur too quickly, making it difficult to control, and if it is more than this range, there is a concern that the reactivity will decrease and it will be difficult to obtain a uniform cured product.
- the polyfunctional vinyl compound of the present invention can be obtained by reacting a trifunctional hydroxy compound with chloromethylstyrene, but if the amount of unreacted hydroxyl groups remaining is less than 5000 g/eq, the curing is insufficient, and the thermal conductivity and heat resistance are reduced.
- the hydroxyl groups are polar groups, there is a concern that the remaining hydroxyl groups may hinder the reduction of the dielectric constant and dielectric loss tangent.
- the hydroxyl group equivalent is preferably 5,000 g/eq or more, more preferably 10,000 g/eq or more.
- the chlorine component is derived from the raw material chloromethylstyrene, and if the chlorine component remains, as with the hydroxyl group, there is a concern that it will inhibit the reduction of the dielectric constant and the dielectric loss tangent, and there is a concern that the curing reaction will be inhibited by the polar group, resulting in a decrease in the thermal conductivity and heat resistance.
- the total chlorine content is preferably 2000 ppm or less, more preferably 1000 ppm or less.
- the polyfunctional vinyl compound of the present invention can be obtained by reacting a trifunctional hydroxy compound represented by formula (3) with an aromatic vinylating agent.
- R1 to R4 are the same as those of the vinyl compound of formula (1).
- the trifunctional hydroxy compound of formula (3) preferably has a hydroxyl group equivalent of 90 to 350 g/eq, more preferably 100 to 200 g/eq.
- the trifunctional hydroxy compound of formula (3) can be produced by a general method, for example, by polycondensation of a monohydric phenol compound and an aromatic aldehyde.
- monovalent phenol compounds include monoalkylphenols such as phenol, o-cresol, m-cresol, p-cresol, o-ethylphenol, m-ethylphenol, p-ethylphenol, p-octylphenol, p-t-butylphenol, o-cyclohexylphenol, m-cyclohexylphenol, and p-cyclohexylphenol; dialkylphenols such as 2,5-xylenol, 3,5-xylenol, 3,4-xylenol, 2,4-xylenol, and 2,6-xylenol; trialkylphenols such as 2,3,5-trimethylphenol and 2,3,6-trimethylphenol, and further hydroxybiphenyls such as 2-phenylphenol, 4-phenylphenol, 3-benzyl-1,1'-biphenyl-2-ol, 3-benzyl-1,1'-biphenyls
- 2,5-xylenol, 2,6-xylenol, and 2-phenylphenol are particularly preferred. These phenolic compounds can be used alone or in combination of two or more types.
- Aromatic aldehydes include, for example, hydroxybenzaldehydes such as 2-hydroxybenzaldehyde, 3-hydroxybenzaldehyde, and 4-hydroxybenzaldehyde. From the standpoint of heat resistance and thermal conductivity, 4-hydroxybenzaldehyde is preferred.
- the polycondensation of the phenol compound and the aromatic aldehyde may be carried out using an acid catalyst, such as acetic acid, oxalic acid, sulfuric acid, hydrochloric acid, phenolsulfonic acid, paratoluenesulfonic acid, zinc acetate, manganese acetate, etc.
- an acid catalyst such as acetic acid, oxalic acid, sulfuric acid, hydrochloric acid, phenolsulfonic acid, paratoluenesulfonic acid, zinc acetate, manganese acetate, etc.
- These acid catalysts may be used alone or in combination of two or more. Among these acid catalysts, sulfuric acid and paratoluenesulfonic acid are preferred because of their excellent activity.
- the acid catalyst may be added before or during the reaction.
- the polycondensation of the phenol compound and the aromatic aldehyde may be carried out in the presence of a solvent, if necessary, to obtain a polycondensate.
- a solvent include monoalcohols such as methanol, ethanol, and propanol; polyols such as ethylene glycol, 1,2-propanediol, 1,3-propanediol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, 1,7-heptanediol, 1,8-octanediol, 1,9-nonanediol, trimethylene glycol, diethylene glycol, polyethylene glycol, and glycerin; glycol ethers such as 2-ethoxyethanol, ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, ethylene glycol monopropyl ether, ethylene glycol monobutyl ether, ethylene
- the reaction temperature during polycondensation of the phenol compound and aromatic aldehyde is in the range of 20 to 140°C, preferably in the range of 80 to 110°C.
- the charging ratio of the phenol compound/aromatic aldehyde is in the range of 1/0.1 to 1/0.5 in molar ratio, and more preferably in the range of 1/0.3 to 1/0.5, since the phenol compound after the reaction can be easily removed by reprecipitation or the like.
- the polyfunctional vinyl compound of the present invention can be obtained by reacting a trifunctional hydroxy compound with an aromatic vinylating agent.
- the vinyl compound of the present invention represented by the above formula (1) can be obtained by reacting a trifunctional hydroxy compound represented by the above formula (3) with chloromethylstyrene.
- This reaction can be carried out in the same manner as the well-known vinylation reaction.
- the blending ratio is preferably 0.8 to 1.2 equivalents of aromatic vinylating agent (e.g., chloromethylstyrene) per 1.0 equivalent of hydroxyl group, which is the functional group of the trifunctional hydroxy compound.
- aromatic vinylating agent e.g., chloromethylstyrene
- Aromatic vinylating agents are preferably halomethylstyrenes, particularly chloromethylstyrene.
- Other examples include bromomethylstyrene and its isomers, and those with substituents.
- the substitution position of the halomethyl compound for example, in the case of halomethylstyrene, the 4-position is preferred, and it is preferable that the 4-position compound accounts for 60% or more by weight of the total.
- the reaction between a trifunctional hydroxy compound and an aromatic vinylating agent can be carried out in the absence or presence of a solvent.
- the reaction can be carried out by adding the aromatic vinylating agent to the hydroxy compound, adding a metal hydroxide, and removing the generated metal salt by a method such as filtration or washing with water.
- the solvent include, but are not limited to, methyl ethyl ketone, benzene, toluene, xylene, methyl isobutyl ketone, diethylene glycol dimethyl ether, cyclopentanone, cyclohexanone, etc. From the viewpoint of reactivity, methyl ethyl ketone is preferable.
- Specific examples of the metal hydroxide include, but are not limited to, sodium hydroxide, potassium hydroxide, etc.
- the vinylization reaction is preferably carried out at a temperature of 90°C or less, more preferably 70°C or less. If the temperature is higher than this, the vinyl benzyl ether group will self-polymerize due to heat, making it difficult to control the reaction.
- polymerization inhibitors such as quinones, nitro compounds, nitrophenols, nitroso and nitrone compounds, and oxygen may be used.
- the end point of the reaction can be determined by tracking the remaining amount of halomethylstyrene as an aromatic vinylating agent using various chromatograms such as GPC, and the reaction rate can be adjusted by the type and amount of metal hydroxide, the addition rate, solids concentration, etc.
- the polyfunctional vinyl compound of the present invention can be cured by itself, but it is also suitable to use it as a polyfunctional vinyl composition containing various additives.
- a radical polymerization initiator such as an azo compound or an organic peroxide may be blended to effect curing.
- the polyfunctional vinyl composition of the present invention contains a polyfunctional vinyl compound and a radical polymerization initiator as essential components, but can also contain other vinyl compounds and other thermosetting resins, such as epoxy resins, oxetane resins, maleimide resins, acrylate resins, polyester resins, polyurethane resins, polyphenylene ether resins, and benzoxazine resins.
- inorganic fillers such as glass cloth, carbon fiber, alumina, and boron nitride may be added.
- thermal conductivity is preferably 20 W/m.K or more, more preferably 30 W/m.K or more, and even more preferably 50 W/m.K or more. At least a portion of the inorganic filler, preferably 50 wt% or more, has a thermal conductivity of 20 W/m.K or more.
- the average thermal conductivity of the inorganic filler as a whole increases in the order of desirability: 20 W/m.K or more, 30 W/m.K or more, and 50 W/m.K or more.
- inorganic fillers with such thermal conductivity include inorganic powder fillers such as boron nitride, aluminum nitride, silicon nitride, silicon carbide, titanium nitride, zinc oxide, tungsten carbide, alumina, and magnesium oxide.
- additives may be added to improve adhesive strength and ease of handling of the composition, such as silane coupling agents, defoamers, internal release agents, and flow control agents.
- the polyfunctional vinyl compound or polyfunctional vinyl composition of the present invention can be dissolved in a solvent such as toluene, xylene, acetone, methyl ethyl ketone, or methyl isobutyl ketone, impregnated into a substrate such as glass fiber, carbon fiber, polyester fiber, polyamide fiber, alumina fiber, or paper, and heated and dried to obtain a prepreg, which can then be hot-press molded to obtain a cured product.
- a solvent such as toluene, xylene, acetone, methyl ethyl ketone, or methyl isobutyl ketone
- the resin can be applied onto a sheet-like material such as copper foil, stainless steel foil, polyimide film, or polyester film to form a laminate, and the resin sheet obtained by heating and drying can be subjected to heat press molding to obtain a cured product.
- a sheet-like material such as copper foil, stainless steel foil, polyimide film, or polyester film
- GPC Measurement A main body (HLC-8220GPC, manufactured by Tosoh Corporation) equipped with four columns (TSKgel Super Multipore HZ-N, manufactured by Tosoh Corporation) in series was used, and the column temperature was set to 40°C. Tetrahydrofuran (THF) was used as the eluent, the flow rate was set to 0.35 mL/min, and a differential refractive index detector was used as the detector. 50 ⁇ L of the measurement sample was prepared by dissolving 0.1 g of sample in 10 mL of THF and filtering through a microfilter. Data processing was performed using GPC-8020 Model II version 6.00 manufactured by Tosoh Corporation.
- THF Tetrahydrofuran
- Solvent solubility 2 g of resin and 1 g of methyl ethyl ketone were weighed and placed in a sample bottle, and after heating and dissolving, the temperature was gradually lowered in a thermostatic bath, and the temperature in the bath at which the resin precipitated was measured. The higher the precipitation temperature (°C), the poorer the solvent solubility.
- Tg Glass transition temperature
- Td5 5% weight loss temperature
- carbon residue ratio Using a thermogravimetric/differential thermal analyzer (EXSTAR TG/DTA7300 manufactured by SII NanoTechnology), the 5% weight loss temperature (Td5) was measured under conditions of a nitrogen atmosphere and a heating rate of 10°C/min. The weight loss at 700°C was also measured and calculated as the carbon residue ratio.
- Thermal Conductivity was measured by a non-steady hot wire method using a NETZSCH LFA447 type thermal conductivity meter.
- Synthesis Example 2 The same procedure as in Synthesis Example 1 was carried out except that 36.8 g (0.30 mol) of 2,5-xylenol and 28.2 g (0.30 mol) of phenol were used instead of 73.6 g of 2,5-xylenol, to obtain 60.8 g of trifunctional hydroxy compound b.
- Trifunctional hydroxy compound b was a mixture of compounds represented by formula (3) in which R1 to R4 were all hydrogen atoms or methyl groups, and had a hydroxyl group equivalent of 105 g/eg.
- Example 1 Into a 1000 ml four-neck flask, 59.0 g (0.17 mol) of the trifunctional hydroxy compound a obtained in Synthesis Example 1, 400 g of methyl ethyl ketone, and 91.6 g (0.60 mol) of chloromethylstyrene (structural formula shown below) were added. The mixture was heated to 60°C, and 33.7 g of potassium hydroxide dissolved in 101 g of methanol was added dropwise over 3 hours, followed by reaction for another 6 hours.
- Example 2 The same procedure as in Example 1 was carried out except that 52.5 g (0.17 mol) of the trifunctional hydroxy compound b obtained in Synthesis Example 2 was used instead of the trifunctional hydroxy compound a, to obtain 100.3 g of a multifunctional vinyl compound (vinyl compound B).
- the vinyl equivalent of vinyl compound B was 212 g/eg., the hydroxyl equivalent was 14,000 g/eg., and the total chlorine was 500 ppm.
- Example 3 The same procedure as in Example 1 was carried out except that 74.5 g (0.17 mol) of the trifunctional hydroxy compound c obtained in Synthesis Example 3 was used instead of the trifunctional hydroxy compound a, to obtain 121.2 g of a multifunctional vinyl compound (vinyl compound C).
- the vinyl equivalent of vinyl compound C was 260 g/eg., the hydroxyl equivalent was 11,000 g/eg., and the total chlorine was 800 ppm.
- vinyl resin F a multifunctional vinyl resin
- the vinyl equivalent of vinyl resin F was 217g/eg., the hydroxyl equivalent was 17000g/eg., and the total chlorine was 400ppm.
- Examples 4 to 6, Comparative Examples 4 to 7 As the polyfunctional vinyl compound, vinyl compounds A to F obtained in Examples 1 to 3 and Comparative Examples 1 to 3 and vinyl resin G (OPE-2ST: manufactured by Mitsubishi Gas Chemical Company, Inc., vinyl group equivalent: 590.0 g / eq, number average molecular weight 1187) were used, and Perbutyl P (manufactured by NOF Corporation), an organic peroxide, was used as a curing accelerator (radical polymerization initiator), and Adeka STAB AO-60 (manufactured by ADEKA Corporation) was used as an antioxidant in the blending ratio shown in Table 1.
- the composition was applied to a PET film and dried at 130 ° C. for 5 minutes to obtain a resin composition.
- the composition removed from the PET film was sandwiched between mirror plates and cured under reduced pressure at 130 ° C. for 15 minutes and at 210 ° C. for 80 minutes while applying a pressure of 2 MPa.
- the properties of the obtained cured product are shown in Table 1.
- the polyfunctional vinyl compounds of the examples showed superior physical properties, including higher thermal conductivity, lower dielectric constant, and lower dielectric tangent, compared to the comparative examples.
- the polyfunctional vinyl compound of the present invention is useful as an electronic material for high-speed communication devices, as it easily dissipates heat generated from electronic components and wiring and causes little signal loss.
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Abstract
Description
熱伝導率の観点から、n=0体の含有率は50wt%以上が好ましく、80wt%以上がより好ましい。
よって、本発明の多官能ビニル化合物は、多官能ビニル樹脂ともいう。
一方、塩素成分としては原料であるクロロメチルスチレン由来によるものであり、水酸基と同様に塩素成分が残存する場合、誘電率、誘電正接の低減を阻害する懸念があり、極性基による硬化反応の阻害が生じることで熱伝導率、耐熱性を低下する懸念がある。全塩素量が、好ましくは2000ppm以下、より好ましくは1000ppm以下である。
式(3)の三官能ヒドロキシ化合物は、一般的な方法で製造可能であり、例えば、一価のフェノール化合物と芳香族アルデヒドとを重縮合することにより得ることができる。
配合割合は、三官能ヒドロキシ化合物の官能基である水酸基1.0当量に対して、好ましくは芳香族ビニル化剤(例えばクロロメチルスチレン)を0.8~1.2当量である。ただし、三官能ヒドロキシ化合物の反応性が低い場合、芳香族ビニル化剤を過剰量仕込み、反応後に除去するとよい。
溶媒はメチルエチルケトン、ベンゼン、トルエン、キシレン、メチルイソブチルケトン、ジエチレングリコールジメチルエーテル、シクロペンタノン、シクロヘキサノンなどが挙げられるがこれらに限定されるものではない。反応性の観点で、メチルエチルケトンが好ましい。水酸化金属の具体例としては水酸化ナトリウム、水酸化カリウムなどが挙げられるがこれらに限定されるものではない。
特に、硬化促進のためにアゾ化合物、有機過酸化物などのラジカル重合開始剤を配合して硬化させることができる。
電位差滴定装置を用い、1,4-ジオキサンを溶媒に用い、1.5mol/L塩化アセチルでアセチル化を行い、過剰の塩化アセチルを水で分解して0.5mol/L-水酸化カリウムを使用して滴定した。
試料にウィイス液(一塩化ヨウ素溶液)を反応させ、暗所に放置し、その後、過剰の塩化ヨウ素をヨウ素に還元し、ヨウ素分をチオ硫酸ナトリウムで滴定してヨウ素価を算出した。ヨウ素価をビニル当量に換算した。
試料1.0gをブチルカルビトール25mlに溶解後、1N-KOHプロピレングリコール溶液25mlを加え10分間加熱還流した後、室温まで冷却し、さらに80%アセトン水100mlを加え、0.002N-AgNO3水溶液で電位差滴定を行うことにより測定した。
本体(東ソー株式会社製、HLC-8220GPC)にカラム(東ソー株式会社製、TSKgelSuperMultiporeHZ―N4本)を直列に備えたものを使用し、カラム温度は40℃にした。また、溶離液にはテトラヒドロフラン(THF)を使用し、0.35mL/分の流速とし、検出器は示差屈折率検出器を使用した。測定試料はサンプル0.1gを10mLのTHFに溶解し、マイクロフィルターで濾過したものを50μL使用した。データ処理は、東ソー株式会社製GPC-8020モデルIIバージョン6.00を使用した。
サンプル瓶に樹脂2g、メチルエチルケトン1gを秤量し、加熱溶解させた後、恒温槽内にて徐々に温度を低下させ、樹脂が析出した槽内の温度を測定した。析出温度(℃)が高いほど、溶剤溶解性が劣る。
熱機械測定装置(エスアイアイ・ナノテクノロジー株式会社製 EXSTAR TMA/7100)により、昇温速度10℃/分の条件でTgを求めた。
熱重量/示差熱分析装置(エスアイアイ・ナノテクノロジー製 EXSTAR TG/DTA7300)を用いて、窒素雰囲気下、昇温速度10℃/分の条件において、5%重量減少温度(Td5)を測定した。また、700℃における重量減少を測定し、残炭率として算出した。
熱伝導率は、NETZSCH製LFA447型熱伝導率計を用いて非定常熱線法により測定した。
JIS C 2138規格に従って測定した。測定周波数は1GHzの値で示した。
1000mLの4口フラスコに、2,5-キシレノール(下記構造式)73.6g(0.60モル)、
2,5-キシレノール73.6gの代わりに2,5-キシレノール36.8g(0.30モル)、フェノール28.2g(0.30モル)を用いた以外は合成例1と同様の操作を行い、三官能ヒドロキシ化合物bを60.8g得た。三官能ヒドロキシ化合物bは、式(3)においてR1~R4がいずれも水素原子またはメチル基である化合物の混合物であり、水酸基当量は105g/eg.であった。
2,5-キシレノール73.6gの代わりに2-フェニルフェノール(下記構造式)102.0g(0.60モル)
1000mlの4口フラスコに合成例1で得られた三官能ヒドロキシ化合物aを59.0g(0.17モル)、メチルエチルケトン400g、クロロメチルスチレン(下記構造式)91.6g(0.60モル)
三官能ヒドロキシ化合物aの代わりに合成例2で得られた三官能ヒドロキシ化合物bを52.5g(0.17モル)用いた以外は実施例1と同様の操作を行い、多官能ビニル化合物100.3gを得た(ビニル化合物B)。ビニル化合物Bのビニル当量は212g/eg.、水酸基当量は14000g/eg.、全塩素は500ppmであった。
三官能ヒドロキシ化合物aの代わりに合成例3で得られた三官能ヒドロキシ化合物cを74.5g(0.17モル)用いた以外は実施例1と同様の操作を行い、多官能ビニル化合物121.2gを得た(ビニル化合物C)。ビニル化合物Cのビニル当量は260g/eg.、水酸基当量は11000g/eg.、全塩素は800ppmであった。
三官能ヒドロキシ化合物aの代わりに1,1,1-トリス(p-ヒドロキシフェニル)エタン(下記構造式)51.0g
1000mlの4口フラスコに、4,4’-ビス(クロロメチル)ビフェニル(下記構造式)40.8g、
1000mlの4口フラスコに、ジヒドロキシジフェニルメタン(4,4’-ジヒドロキシジフェニルメタン(下記構造式):36.2%、2,4’-ジヒドロキシジフェニルメタン:46.6%、2,2’―ジヒドロキシジフェニルメタン:17.2%からなる異性体混合物)50.0g、
多官能ビニル化合物として、実施例1~3、比較例1~3で得たビニル化合物A~F及びビニル樹脂G(OPE-2ST:三菱ガス化学株式会社製、ビニル基当量:590.0g/eq、数平均分子量1187)を使用し、硬化促進剤(ラジカル重合開始剤)として有機過酸化物であるパーブチルP(日油株式会社製)、酸化防止剤としてアデカスタブAO-60(株式会社ADEKA製)を表1に示す配合割合で混合し、溶剤に溶解して均一な組成物とした。本組成物をPETフィルムに塗布し、130℃で5分乾燥を行い、樹脂組成物を得た。PETフィルムから取り出した組成物を鏡面板に挟み、減圧下130℃で15分及び210℃で80分2MPaの圧力をかけながら硬化した。得られた硬化物の特性を表1に示す。
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| JPH1171332A (ja) * | 1997-06-17 | 1999-03-16 | Sumitomo Chem Co Ltd | トリフェニルメタン誘導体およびその用途 |
| JP2014062243A (ja) * | 2012-08-30 | 2014-04-10 | Nippon Steel & Sumikin Chemical Co Ltd | 芳香族ビニルベンジルエーテル化合物、及びこれを含有する硬化性組成物 |
| WO2020059625A1 (ja) * | 2018-09-18 | 2020-03-26 | Dic株式会社 | フェノール化合物、活性エステル樹脂及びその製造方法、並びに、熱硬化性樹脂組成物及びその硬化物 |
| JP2023068626A (ja) * | 2021-11-02 | 2023-05-17 | 信越化学工業株式会社 | 分子レジスト組成物及びパターン形成方法 |
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| JPH11323162A (ja) | 1998-03-19 | 1999-11-26 | Hitachi Ltd | 絶縁組成物 |
| JP2002309067A (ja) | 2001-04-16 | 2002-10-23 | Matsushita Electric Works Ltd | 封止用エポキシ樹脂組成物及び半導体装置 |
| JP5003417B2 (ja) | 2007-11-08 | 2012-08-15 | パナソニック株式会社 | 分散型電源システム |
| JP4988609B2 (ja) | 2008-01-11 | 2012-08-01 | 株式会社日立国際電気 | 配線基板 |
| JP2011147936A (ja) | 2010-09-29 | 2011-08-04 | Sintokogio Ltd | 剪断式分散装置、循環式分散システム及び循環式分散方法 |
| DE102010048744B4 (de) | 2010-10-16 | 2012-05-16 | Audi Ag | Lackierhilfe für einen Türgriff eines Fahrzeugs |
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