WO2017002489A1 - 放熱材料 - Google Patents
放熱材料 Download PDFInfo
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- WO2017002489A1 WO2017002489A1 PCT/JP2016/065414 JP2016065414W WO2017002489A1 WO 2017002489 A1 WO2017002489 A1 WO 2017002489A1 JP 2016065414 W JP2016065414 W JP 2016065414W WO 2017002489 A1 WO2017002489 A1 WO 2017002489A1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
- C09K5/08—Materials not undergoing a change of physical state when used
- C09K5/14—Solid materials, e.g. powdery or granular
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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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/48—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
- C08G77/50—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms by carbon linkages
- C08G77/52—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms by carbon linkages containing aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
- C08K7/16—Solid spheres
- C08K7/18—Solid spheres inorganic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/14—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
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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
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
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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
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
- H01L23/3733—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon having a heterogeneous or anisotropic structure, e.g. powder or fibres in a matrix, wire mesh, porous structures
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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
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
- H01L23/3737—Organic materials with or without a thermoconductive filler
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
Definitions
- the present invention relates to a heat dissipating material comprising a highly heat conductive mesogen / silicon compound (co) polymer, and a heat dissipating material comprising a composition containing the (co) polymer.
- silicone resins such as dimethyl silicone rubber, which is mainly composed of polydimethylsiloxane (PDMS), have excellent properties such as heat resistance, electrical insulation, weather resistance, flexibility, gas permeability, and chemical resistance. Used for industrial applications. Because of these characteristics, silicone resin is used as a heat dissipation material for electric and electronic members (Patent Document 1: JP-A-2015-71662). However, since the silicone resin has poor thermal conductivity and low strength, it has been necessary to carry out high filler filling and chemical crosslinking treatment.
- PDMS polydimethylsiloxane
- PTMPS polytetramethyl-p-sylphenylenesiloxane
- the present invention has been made in view of the above circumstances, and for example, from a highly heat-conductive mesogen-silicon compound (co) polymer that can be suitably used as a heat dissipation material or a resin material for semiconductor devices and electronic components. It is an object of the present invention to provide a heat dissipating material and a heat dissipating material comprising a composition containing the (co) polymer.
- the present inventors have obtained a mesogenic silicon compound (co-polymer) having a number average molecular weight of 1,000 to 500,000 represented by the composition formula (1) described later.
- the polymer was found to have excellent thermal conductivity, further thermoplasticity and excellent moldability, and the mesogen-silicon compound (co) polymer and the composition containing the same were used as heat dissipation materials, particularly semiconductors. It has been found that it can be suitably used as a resin material for devices and electronic components, and has led to the present invention.
- the present invention provides a heat dissipating material comprising the following highly heat conductive mesogen / silicon compound (co) polymer and a heat dissipating material comprising a composition containing the (co) polymer.
- a heat dissipation material comprising a mesogen-silicon compound (co) polymer represented by the following general formula (1) and having a number average molecular weight of 1,000 to 500,000.
- R 1 is a monovalent hydrocarbon group independently containing an aliphatic unsaturated bond having 1 to 8 carbon atoms
- the heat conductive filler is 100 to 1,500 masses per 100 mass parts of the mesogen / silicon compound (co) polymer represented by the following general formula (1) and having a number average molecular weight of 1,000 to 500,000.
- a heat dissipation material comprising a part-containing mesogen / silicon compound (co) polymer composition.
- Ar represents the following formula: It is a mesogenic group selected from the structure shown by these.
- a represents a positive number from 0.5 to 1
- R 1 is a monovalent hydrocarbon group independently containing an aliphatic unsaturated bond having 1 to 8 carbon atoms
- the mesogen / silicon compound (co) polymer composition melts in the temperature range of the melting point ⁇ 50 ° C. of the mesogen / silicon compound (co) polymer represented by the general formula (1) and has fluidity.
- the heat dissipation material according to [2] or [3], wherein the thermal conductivity of the mesogen / silicon compound (co) polymer composition is 1 W / m ⁇ K or more.
- the heat dissipating material of the present invention is excellent in thermal conductivity, exhibits excellent thermoplasticity, and is excellent in moldability. Therefore, it can be suitably used as a heat dissipating material, particularly a resin material for semiconductor devices and electronic components.
- the heat dissipation material of the present invention contains a mesogen / silicon compound (co) polymer represented by the following general formula (1) and having a number average molecular weight of 1,000 to 500,000.
- R 1 is a monovalent hydrocarbon group independently containing an aliphatic unsaturated bond having 1 to 8 carbon atoms
- R 1 is independently a monovalent hydrocarbon group having 1 to 8 carbon atoms, particularly 1 to 6 carbon atoms, and not containing an aliphatic unsaturated bond.
- A represents a positive number of 0.5 to 1, preferably 0.7 to 1, more preferably 0.8 to 1, and b is 0 to 0.5, preferably 0 to 0.3, more preferably.
- Represents a number of 0 to 0.2 (0 or positive number) (where a and b represent the ratio (molar ratio) of the number of repeating units in the molecule, respectively, and a + b 1. .
- the number of repeating silarylenesiloxane units [—Si (R 1 ) 2 —Ar—Si (R 1 ) 2 O—] in the main chain Alternatively, the degree of polymerization (referred to as a ′) is an integer of about 50 to 1,000, preferably about 50 to 800, more preferably about 80 to 600, and the disiloxane unit [—Si (R 1 ) 2 O—Si (R 1 ) 2 O—] is an integer of about 0 to 1,000, preferably 10 to 800, more preferably about 20 to 200.
- the total number of repeating units in the entire main chain or the degree of polymerization (referred to as a ′ + b ′) is 50 to 2,000, preferably 100 to 1,600, more preferably about 200 to 1,200. Is an integer.
- a silarylene siloxane unit [—Si (R 1 ) 2 —Ar—Si (R 1 ) 2 O—] and a disiloxane unit [ The arrangement of —Si (R 1 ) 2 O—Si (R 1 ) 2 O—] is random.
- the mesogen / silicon compound (co) polymer used in the heat dissipation material of the present invention has a polystyrene-equivalent number average molecular weight of 1,000 to 500,000, preferably 2 as measured by gel permeation chromatography using tetrahydrofuran as a developing solvent.
- (Co) polymers having a molecular weight of 3,000 to 400,000, more preferably 3,000 to 300,000. If the weight average molecular weight is too small, the resin is fragile and handling may be difficult. If it is too large, the viscosity at the time of melting will increase, making it difficult to fill the filler.
- the number average molecular weight in terms of polystyrene was determined by gel permeation chromatography analysis using columns manufactured by Tosoh Corporation: TSKgel Super H2500 (1) and TSKgel Super HM-N (1), solvent: tetrahydrofuran, flow rate: 0. Measurement can be performed under the conditions of 6 mL / min, detector: RI (40 ° C.), column temperature 40 ° C., injection amount 50 ⁇ L, sample concentration 0.3% by mass (hereinafter the same).
- the mesogen / silicon compound (co) polymer used in the heat dissipation material of the present invention preferably has a thermal conductivity of 0.2 W / m ⁇ K or more, preferably 0.2 to 1.0 W / m ⁇ K. More preferred is 0.25 to 1.0 W / m ⁇ K.
- the thermal conductivity can be measured by a hot disk method (TPA-501, manufactured by Kyoto Electronics Industry) using two 6 mm thick sheets (at 12 mm thickness) (hereinafter the same).
- the melting point of the mesogen / silicon compound (co) polymer used in the heat dissipation material of the present invention is preferably 50 to 250 ° C., particularly preferably 80 to 230 ° C.
- the melting point can be determined from the peak top of the melting endothermic peak measured by differential scanning calorimetry (DSC) (DSC830, manufactured by METTLER TOLEDO) (hereinafter the same).
- disiloxane compounds blocked with hydroxy-containing diorganosiloxy groups such as hydroxydimethylsiloxy groups (eg hexaorganodisiloxane or 1,3-dihydroxytetraorganodisiloxane)
- hydroxy-containing diorganosiloxy groups such as hydroxydimethylsiloxy groups (eg hexaorganodisiloxane or 1,3-dihydroxytetraorganodisiloxane)
- existing terminal silyl-modified silicone oils such as linear diorganopolysiloxanes such as linear dimethylpolysiloxanes with a degree of polymerization of 3 or more
- equilibration reaction breaking / re-breaking of siloxane bonds
- Ar, R 1 is the same as Ar, R 1 of formula (1).
- c represents a positive number from 0.5 to 1
- c indicating the ratio of the number of repeating units of silarylenesiloxane units [—Si (R 1 ) 2 —Ar—Si (R 1 ) 2 O—] in the molecule is 0.5 to 1 , Preferably a positive number of about 0.7 to 1, more preferably about 0.8 to 1, of the disiloxane unit [—Si (R 1 ) 2 O—Si (R 1 ) 2 O—] in the molecule.
- D representing the ratio of the number of repeating units is a number of about 0 to 0.5, preferably 0 to 0.3, more preferably about 0 to 0.2.
- c + d 1.
- the number of repeating silarylene siloxane units [—Si (R 1 ) 2 —Ar—Si (R 1 ) 2 O—] in the main chain Alternatively, the degree of polymerization (referred to as c ′) is an integer of about 50 to 1,000, preferably about 50 to 800, more preferably about 80 to 600, and the disiloxane unit [—Si (R 1 ) 2 O—Si (R 1 ) 2 O—] is an integer of about 0 to 1,000, preferably 10 to 800, more preferably about 20 to 200.
- the total number of repeating units in the entire main chain or the degree of polymerization (referred to as c ′ + d ′) is 50 to 2,000, preferably 100 to 1,600, more preferably about 200 to 1,200. Is an integer.
- silarylene siloxane units [—Si (R 1 ) 2 —Ar—Si (R 1 ) 2 O—] and disiloxane units [—Si (R 1 ) 2 O—
- the arrangement of Si (R 1 ) 2 O—] is random.
- the organopolysiloxane compound having both ends of the molecular chain represented by the formula (2) blocked with silanol groups and having an arylene group in the main chain is a polystyrene-equivalent number average measured by gel permeation chromatography using tetrahydrofuran as a developing solvent.
- the molecular weight is preferably 1,000 to 500,000, more preferably 2,000 to 400,000, and still more preferably 3,000 to 300,000.
- the organopolysiloxane compound having both ends of the molecular chain represented by the formula (2) blocked with silanol groups and having an arylene group in the main chain is a mesogenic silicon compound represented by the formula (1) of the present invention ( If it is within the range of a (co) polymer, this can be used as it is as a mesogen / silicon compound (co) polymer represented by the formula (1).
- Organopolysiloxane compounds having both ends of the molecular chain represented by the general formula (2) blocked with silanol groups and having an arylene group in the main chain are, for example, 1,4-bis (hydroxydimethylsilyl) benzene and 4,4 A compound having a silarylene structure, such as bis (hydroxydimethylsilyl) biphenyl, and a terminal hydroxyl group-containing organosiloxane, such as 1,1,3,3-tetramethyl-1,3-dihydroxydisiloxane, 1: 1, preferably a polycondensation catalyst such as di-2-ethylhexanoic acid 1,1,3,3-tetramethylguanidine at a ratio of about 1: 0 to 1: 0.4 (molar ratio) and if necessary It can be obtained by reacting at 60 to 250 ° C., particularly 80 to 130 ° C. for 4 to 48 hours, particularly 8 to 32 hours in the presence of an organic solvent.
- the molecular chain both ends triorganosiloxy group or the molecular chain both ends to be reacted with an organopolysiloxane compound having both ends of the molecular chain represented by the general formula (2) blocked with silanol groups and having an arylene group in the main chain.
- organopolysiloxane compound having both ends of the molecular chain represented by the general formula (2) blocked with silanol groups and having an arylene group in the main chain examples include, for example, vinyldimethylsiloxy group (—OSi (CH 3 ) 2 (CH ⁇ CH 2 )) allyl at both ends of the molecular chain.
- Alkenyl group-containing siloxy groups such as dimethylsiloxy group (—OSi (CH 3 ) 2 (CH 2 —CH ⁇ CH 2 )), triorganosiloxy groups such as trimethylsiloxy group (—OSi (CH 3 ) 3 ), hydroxy dimethylsiloxy group (-OSi (CH 3) 2 ( OH)) such as hydroxyl group-containing diorgano siloxy groups of blocked, such as It was disiloxane compound or a straight-chain dimethylpolysiloxane existing terminal silyl-modified silicone oil (polymerization degree of 3 or more straight-chain diorganopolysiloxane) such as can be used.
- the organic group bonded to the silicon atom in the diorganosiloxane unit has 1 carbon atom. It is preferable that the monovalent hydrocarbon group does not contain an aliphatic unsaturated bond of ⁇ 8, and examples thereof are the same as those exemplified for R 1 in the general formula (1) described above. Preferably there is.
- the degree of polymerization of the triorganosiloxy group-blocked linear diorganosiloxy group-blocked linear diorganopolysiloxane is not particularly limited as long as it is 3 or more, but usually 10 to 2,000, particularly 50 to 1 It is preferably about 1,000, especially about 100 to 500.
- both-end triorganosiloxy group-blocked or hydroxydiorganosiloxy-group-blocked disiloxane compound or linear diorganopolysiloxane can be used alone or with a degree of polymerization. Two or more different types may be used.
- the organopolysiloxane compound having both ends of the molecular chain represented by the general formula (2) blocked with a silanol group and having an arylene group in the main chain and the triorganosiloxy group blocked with hydroxydioxy The mixing ratio of the organosiloxy group-blocked disiloxane compound or linear diorganopolysiloxane is about 1: 0.5 to 1:10, particularly about 1: 2 to 1: 7.5 by mass ratio. Is preferred.
- the amount of silanol group-blocked organopolysiloxane having an arylene group that is relatively expensive when the molecular chain both ends triorganosiloxy group-blocked or hydroxydiorganosiloxy group-blocked disiloxane compound or linear diorganopolysiloxane is too small.
- the production cost may increase, and if it is too large, the amount of arylene group introduced into the main chain will decrease, and the desired thermal conductivity and mechanical properties of the reaction product represented by the general formula (1) will be described. Properties such as strength and thermoplasticity may be inferior.
- the acidic catalyst for promoting the equilibration reaction is not particularly limited as long as it is a strong acid, but sulfuric acid, methanesulfonic acid, trifluoromethanesulfonic acid, etc. can be preferably used, and the amount used is small and the post-treatment is easy. Particularly preferred is trifluoromethanesulfonic acid.
- the addition amount of the acidic catalyst is such that the both ends of the molecular chain represented by the general formula (2) are blocked with silanol groups and an arylene group in the main chain, and a disiloxane compound or both ends of the molecular chain.
- the range is preferably from 100 to 10,000 ppm, particularly preferably from 500 to 3,000 ppm, based on the total mass of the triorganosiloxy-blocked or hydroxydiorganosiloxy-blocked linear diorganopolysiloxane.
- the equilibration reaction is not particularly limited, but is usually performed under heating at about 80 to 150 ° C., particularly about 100 to 130 ° C., usually for about 0.5 to 6 hours, particularly about 1 to 4 hours. Can do. At this time, it is optional to add a solvent as necessary.
- the solvent include aromatic nonpolar solvents such as benzene, toluene, and xylene.
- R 2 is —Si (CH 3 ) by an equilibration reaction with a linear diorganopolysiloxane blocked with a hydroxydiorganosiloxy group.
- a mesogen / silicon compound (co) polymer composition in which a thermally conductive filler is contained in the mesogen / silicon compound (co) polymer can also be used.
- a general heat conductive filler is used.
- aluminum oxide, magnesium oxide, aluminum hydroxide, boron nitride, carbon, and silanes and silazanes are used.
- a fine powdery inorganic filler surface-treated with low-polymerization degree polysiloxanes or the like, or metal powders such as aluminum, copper, iron, gold and silver can be used.
- aluminum oxide and aluminum are particularly desirable from the viewpoints of economy and thermal conductivity.
- the content of the heat conductive filler is preferably 100 to 1,500 parts by mass, more preferably 250 to 1,000 parts by mass with respect to 100 parts by mass of the mesogen / silicon compound (co) polymer. If the blending amount is too small, the desired thermal conductivity may not be obtained, and if it is too large, the physical properties of the resin may decrease.
- a mesogen / silicon compound (co) polymer and a heat conductive filler are charged into a planetary mixer and mixed for about 30 minutes above the melting point of the mesogen / silicon compound (co) polymer. By doing so, the target composition is obtained.
- the mesogen / silicon compound (co) polymer composition melts in the temperature range of the melting point ⁇ 50 ° C., particularly the melting point ⁇ 30 ° C., with respect to the melting point of the mesogen / silicon compound (co) polymer described above, It is preferable that it has fluidity. Further, the thermal conductivity of the mesogen / silicon compound (co) polymer composition is preferably 1 W / m ⁇ K or more, more preferably 1 to 10 W / m ⁇ K, and more preferably 1.5 to 10 W / m ⁇ K. More preferably it is.
- the heat dissipating material of the present invention can be suitably used particularly as a resin material for semiconductor devices and electronic parts.
- Example 1 In a 1 L eggplant flask equipped with a Dean-Stark trap, 100 g of 1,4-bis (hydroxydimethylsilyl) benzene obtained in Synthesis Example 1, 800 mL of benzene, 1,1,3,3 di-2-ethylhexanoic acid -Add 4 g of tetramethylguanidine and heat to reflux for 24 hours. Thereafter, the solution was dropped into 3 L of methanol and purified by reprecipitation, whereby 88 g of white powdered PTMPS (mesogen / silicon compound polymer) represented by the following chemical formula (2) was obtained.
- PTMPS meogen / silicon compound polymer
- n is a number having a number average molecular weight in the above range.
- Example 2 Into a 1 L eggplant flask equipped with a Dean-Stark trap, 100 g of 4,4-bis (hydroxydimethylsilyl) biphenyl obtained in Synthesis Example 2, 800 mL of benzene, and 1,1,3,3 di-2-ethylhexanoic acid -Add 4 g of tetramethylguanidine and heat to reflux for 24 hours. Thereafter, the solution was dropped into 3 L of methanol and purified by reprecipitation, whereby 76 g of a white powdery resin (mesogen / silicon compound polymer) represented by the following chemical formula (3) was obtained.
- a white powdery resin (mesogen / silicon compound polymer) represented by the following chemical formula (3) was obtained.
- Example 4 In a 1 L eggplant flask equipped with a Dean-Stark trap, 106.9 g of 4,4-bis (hydroxydimethylsilyl) biphenyl obtained in Synthesis Example 2 and 1,1,3,3-tetramethyl-1,3-dihydroxy were obtained. 14.67 g of disiloxane, 800 mL of benzene, and 4 g of 1,1,3,3-tetramethylguanidine di-2-ethylhexanoate were added, and the mixture was heated to reflux for 24 hours.
- Example 5 50 g of the above polymer 1 and 185 g of spherical alumina (DAW-0745 manufactured by Denki Kagaku Kogyo) were charged into a planetary mixer, heated and mixed at 180 ° C., poured into a 60 mm ⁇ 60 mm ⁇ 6 mm mold, and press molded at 150 ° C. for 10 minutes. Thus, composition 1 was obtained.
- the thermal conductivity was 1.58 W / m ⁇ K.
- Example 6 50 g of the above polymer 2 and 185 g of spherical alumina (DAW-0745, manufactured by Denki Kagaku Kogyo) are charged into a planetary mixer, heated and mixed at 220 ° C., poured into a 60 mm ⁇ 60 mm ⁇ 6 mm mold, and press molded at 220 ° C. for 10 minutes. Thus, composition 2 was obtained.
- the thermal conductivity was 2.14 W / m ⁇ K.
- Example 7 50 g of the above-mentioned polymer 3 and 185 g of spherical alumina (DAW-0745, manufactured by Denki Kagaku Kogyo) are charged into a planetary mixer, heated and mixed at 180 ° C., poured into a 60 mm ⁇ 60 mm ⁇ 6 mm mold, and press molded at 150 ° C. for 10 minutes. Thus, composition 3 was obtained.
- the thermal conductivity was 1.28 W / m ⁇ K.
- Example 8 50 g of the above polymer 4 and 185 g of spherical alumina (DAW-0745 manufactured by Denki Kagaku Kogyo) were charged into a planetary mixer, heated and mixed at 180 ° C., poured into a 60 mm ⁇ 60 mm ⁇ 6 mm mold, and press molded at 150 ° C. for 10 minutes. Thus, composition 4 was obtained.
- the thermal conductivity was 1.61 W / m ⁇ K.
- the heat conductivity of the heat dissipating material (Examples 1 to 4) comprising the mesogen / silicon compound (co) polymer according to the present invention is 0.35 to 0.20 W / m ⁇ K, which is the conventional heat dissipating property. It can be seen that it is superior to the dimethyl silicone resin (literature value 0.18 W / m ⁇ K) generally used as a material and has excellent mechanical properties. Further, the heat dissipating material (Examples 5 to 8) comprising the composition containing the mesogen / silicon compound (co) polymer (resin) and the heat conductive filler (filler) according to the present invention has thermoplasticity.
- thermo conductivity of the heat dissipation material (Examples 5 to 8) comprising a composition containing a resin and a filler dramatically improves as the thermal conductivity of the resin increases.
- the thermal conductivity after addition of the filler is greatly improved as compared with the combination of a normal dimethyl silicone resin and a filler.
- the heat dissipating material comprising the mesogen / silicon compound (co) polymer of the present invention and the heat dissipating material comprising the composition containing the (co) polymer and a thermally conductive filler are suitable as the heat dissipating material.
- it can be suitably used as a heat-dissipating resin material for semiconductor devices and electronic components.
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Abstract
Description
〔1〕
下記一般式(1)で表される、数平均分子量が1,000~500,000のメソゲン・ケイ素化合物(共)重合体からなる放熱材料。
〔2〕
下記一般式(1)で表される、数平均分子量が1,000~500,000のメソゲン・ケイ素化合物(共)重合体100質量部に対して熱伝導性充填剤が100~1,500質量部含有されたメソゲン・ケイ素化合物(共)重合体組成物からなる放熱材料。
〔3〕
メソゲン・ケイ素化合物(共)重合体組成物が、前記一般式(1)で表されるメソゲン・ケイ素化合物(共)重合体の融点±50℃の温度範囲で溶融し、流動性を持つものであることを特徴とする〔2〕記載の放熱材料。
〔4〕
メソゲン・ケイ素化合物(共)重合体組成物の熱伝導率が、1W/m・K以上であることを特徴とする〔2〕又は〔3〕記載の放熱材料。
〔5〕
メソゲン・ケイ素化合物(共)重合体単体での熱伝導率が0.2W/m・K以上である〔1〕~〔4〕のいずれかに記載の放熱材料。
また、aは0.5~1、好ましくは0.7~1、より好ましくは0.8~1の正数を示し、bは0~0.5、好ましくは0~0.3、より好ましくは0~0.2の数(0又は正数)を示す(ただし、a、bはそれぞれ、分子中におけるそれぞれの繰り返し単位数の比率(モル比)を表すものであり、a+b=1である。)。
なお、上記ポリスチレン換算の数平均分子量は、ゲルパーミエーションクロマトグラフィ分析において、東ソー株式会社製のカラム:TSKgel Super H2500(1本)及びTSKgel Super HM-N(1本)、溶媒:テトラヒドロフラン、流量:0.6mL/min、検出器:RI(40℃)、カラム温度40℃、注入量50μL、サンプル濃度0.3質量%の条件にて測定することができる(以下、同じ)。
また、酸性触媒の添加量は、一般式(2)で表される分子鎖両末端がシラノール基で封鎖され主鎖中にアリーレン基を有するオルガノポリシロキサン化合物と、ジシロキサン化合物又は分子鎖両末端トリオルガノシロキシ基封鎖又はヒドロキシジオルガノシロキシ基封鎖の直鎖状ジオルガノポリシロキサンとの合計質量に対して100~10,000ppmの範囲が望ましく、特に500~3,000ppmが望ましい。
上記組成物に用いられる熱伝導性充填剤については汎用の熱伝導性充填剤が用いられるが、例えば、酸化アルミニウム、酸化マグネシウム、水酸化アルミニウム、窒化ホウ素、カーボン、及びこれらをシラン類、シラザン類、低重合度ポリシロキサン類等で表面処理した微粉末状の無機質充填剤やアルミニウム、銅、鉄、金、銀などの金属粉を使用することができる。更に経済性や熱伝導率の観点から酸化アルミニウムやアルミニウムが特に望ましい。
更に、メソゲン・ケイ素化合物(共)重合体組成物の熱伝導率は、1W/m・K以上、特に1~10W/m・Kであることが好ましく、1.5~10W/m・Kであることが更に好ましい。
[合成例1]
1,4-ビス(ヒドロキシジメチルシリル)ベンゼンの合成
還流管と1Lの滴下ロートを備えた5Lセパラブルフラスコに、テトラヒドロフラン500mL、メチルエチルケトン2,500mL、5質量%パラジウム担持カーボン7.8g、イオン交換水172.8gを仕込み、50℃まで昇温した。次に、滴下ロートに、1,4-ビス(ジメチルシリル)ベンゼン757.6g(商品名 シルフェニレンC、信越化学工業製)を仕込み、4時間かけて滴下を行った。滴下終了後、5時間熟成させ、触媒を濾過にて除去したのち、濾液を濃縮し、白色固体を得た。次に、ヘキサン3L、テトラヒドロフラン500mLの混合溶媒を用いて再結晶精製を行い、1,4-ビス(ヒドロキシジメチルシリル)ベンゼン596.9gを得た(収率68%)。1H-NMR(400MHz,CDCl3)δ7.61(s,4H),1.95(brs,2H),0.41(s,12H)
4,4-ビス(ヒドロキシジメチルシリル)ビフェニルの合成
還流管を備えた3Lナスフラスコに、マグネシウム48g、乾燥テトラヒドロフラン1L、数滴の1,2-ジブロモエタンを加え、窒素雰囲気下で加熱還流させた。次に、4,4’-ジブロモビフェニル250gを加え、1時間加熱還流し、グリニヤール試薬を調製した。これをジメチルクロロシラン170gとテトラヒドロフラン200mLが仕込まれた3L四つ口フラスコに、氷浴下で1時間かけて移送滴下した。滴下終了後一晩室温で反応させ、桐山ロートで残渣を除いたのち140-150℃/1mmHgで蒸留精製し、4,4-ビス(ジメチルシリル)ビフェニルを得た。
これを原料とし、上記1,4-ビス(ヒドロキシジメチルシリル)ベンゼンの合成法と同様にして4,4-ビス(ヒドロキシジメチルシリル)ビフェニル130gを得た(収率47%)。1H-NMR(400MHz,CDCl3)δ7.68(d,4H),7.60(d,4H),1.76(brs,2H),0.45(s,12H)
ディーンスタークトラップを取り付けた1Lナスフラスコに、合成例1で得られた1,4-ビス(ヒドロキシジメチルシリル)ベンゼンを100g、ベンゼンを800mL、ジ-2-エチルヘキサン酸1,1,3,3-テトラメチルグアニジンを4g加え、24時間加熱還流した。その後、3Lのメタノールに溶液を滴下し、再沈殿精製することで、下記化学式(2)で表される、白色粉末のPTMPS(メソゲン・ケイ素化合物重合体)を88g得た。収率90%、数平均分子量(Mn)=80,000、多分散度(PDI)=1.7、熱伝導率=0.25W/m・K、融点(mp)=125℃であった。このポリマーをポリマー1とする。
ディーンスタークトラップを取り付けた1Lナスフラスコに、合成例2で得られた4,4-ビス(ヒドロキシジメチルシリル)ビフェニルを100g、ベンゼンを800mL、ジ-2-エチルヘキサン酸1,1,3,3-テトラメチルグアニジンを4g加え、24時間加熱還流した。その後、3Lのメタノールに溶液を滴下し、再沈殿精製することで、下記化学式(3)で表される、白色粉末の樹脂(メソゲン・ケイ素化合物重合体)を76g得た。収率79%、Mn=5,000、PDI=1.8、熱伝導率=0.35W/m・K、mp=210℃であった。このポリマーをポリマー2とする。
ディーンスタークトラップを取り付けた1Lナスフラスコに、合成例1で得られた1,4-ビス(ヒドロキシジメチルシリル)ベンゼンを80g、1,1,3,3-テトラメチル-1,3-ジヒドロキシジシロキサンを14.67g、ベンゼンを800mL、ジ-2-エチルヘキサン酸1,1,3,3-テトラメチルグアニジンを4g加え、24時間加熱還流した。その後、3Lのメタノールに溶液を滴下し、再沈殿精製することで、下記化学式(4)で表される、白色粉末の樹脂(メソゲン・ケイ素化合物共重合体)を82g得た。収率87%、Mn=160,000、PDI=2.0、熱伝導率=0.20W/m・K、mp=90℃であった。このポリマーをポリマー3とする。
ディーンスタークトラップを取り付けた1Lナスフラスコに、合成例2で得られた4,4-ビス(ヒドロキシジメチルシリル)ビフェニルを106.9g、1,1,3,3-テトラメチル-1,3-ジヒドロキシジシロキサンを14.67g、ベンゼンを800mL、ジ-2-エチルヘキサン酸1,1,3,3-テトラメチルグアニジンを4g加え、24時間加熱還流した。その後、3Lのメタノールに溶液を滴下し、再沈殿精製することで、下記化学式(5)で表される、白色粉末の樹脂(メソゲン・ケイ素化合物共重合体)を100g得た。収率85%、Mn=24,000、PDI=2.2、熱伝導率=0.26W/m・K、mp=140℃であった。このポリマーをポリマー4とする。
前述のポリマー1 50gと球状アルミナ(DAW-0745 電気化学工業製)185gをプラネタリーミキサーに仕込み、180℃で加熱混合し、60mm×60mm×6mmの金型に流し込み、150℃、10分間プレス成型することで組成物1を得た。熱伝導率は1.58W/m・Kであった。
前述のポリマー2 50gと球状アルミナ(DAW-0745 電気化学工業製)185gをプラネタリーミキサーに仕込み、220℃で加熱混合し、60mm×60mm×6mmの金型に流し込み、220℃、10分間プレス成型することで組成物2を得た。熱伝導率は2.14W/m・Kであった。
前述のポリマー3 50gと球状アルミナ(DAW-0745 電気化学工業製)185gをプラネタリーミキサーに仕込み、180℃で加熱混合し、60mm×60mm×6mmの金型に流し込み、150℃、10分間プレス成型することで組成物3を得た。熱伝導率は1.28W/m・Kであった。
前述のポリマー4 50gと球状アルミナ(DAW-0745 電気化学工業製)185gをプラネタリーミキサーに仕込み、180℃で加熱混合し、60mm×60mm×6mmの金型に流し込み、150℃、10分間プレス成型することで組成物4を得た。熱伝導率は1.61W/m・Kであった。
粘度1,000mPa・sの両末端アルケニル基封鎖ジメチルシリコーンオイルを48g、ケイ素原子に直接結合した水素原子を4つ含むオルガノハイドロジェンポリシロキサンを1.96g(末端アルケニル基とSi-H基のモル比率が1:1)、球状アルミナ(DAW-0745 電気化学工業製)185gをプラネタリーミキサーに仕込み、室温で30分混合し、0.5質量%カールステット触媒トルエン溶液を0.05g添加し、更に5分混合した。これを、60mm×60mm×6mmの金型に流し込み、150℃、10分間プレス成型することで硬化物5を得た。熱伝導率は1.08W/m・Kであった。
ディーンスタークトラップを取り付けた1Lナスフラスコに、合成例1で得られた1,4-ビス(ヒドロキシジメチルシリル)ベンゼンを20g、1,1,3,3-テトラメチル-1,3-ジヒドロキシジシロキサンを80g、ベンゼンを800mL、ジ-2-エチルヘキサン酸1,1,3,3-テトラメチルグアニジンを4g加え、24時間加熱還流した。その後、3Lのメタノールに溶液を滴下し、再沈殿精製することで、下記化学式(6)で表される、高粘度の透明液体を68g得た。収率75%、Mn=240,000、PDI=2.5であった。この液体を-30℃まで冷却したが、固体とはならず、熱伝導率は測定できなかった。
Claims (5)
- 下記一般式(1)で表される、数平均分子量が1,000~500,000のメソゲン・ケイ素化合物(共)重合体100質量部に対して熱伝導性充填剤が100~1,500質量部含有されたメソゲン・ケイ素化合物(共)重合体組成物からなる放熱材料。
- メソゲン・ケイ素化合物(共)重合体組成物が、前記一般式(1)で表されるメソゲン・ケイ素化合物(共)重合体の融点±50℃の温度範囲で溶融し、流動性を持つものであることを特徴とする請求項2記載の放熱材料。
- メソゲン・ケイ素化合物(共)重合体組成物の熱伝導率が、1W/m・K以上であることを特徴とする請求項2又は3記載の放熱材料。
- メソゲン・ケイ素化合物(共)重合体単体での熱伝導率が0.2W/m・K以上である請求項1~4のいずれか1項に記載の放熱材料。
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018147010A1 (ja) * | 2017-02-07 | 2018-08-16 | 信越化学工業株式会社 | 新規メソゲン・ケイ素化合物(共)重合体及び熱可塑性エラストマー |
WO2019182860A1 (en) * | 2018-03-22 | 2019-09-26 | Momentive Performance Materials Inc. | Silicone polymer and composition comprising the same |
US10968351B2 (en) | 2018-03-22 | 2021-04-06 | Momentive Performance Materials Inc. | Thermal conducting silicone polymer composition |
JP7475578B2 (ja) | 2020-07-01 | 2024-04-30 | 信越化学工業株式会社 | 1,3-ジヒドロキシ-1,1,3,3-テトラ-tert-ブトキシジシロキサンの製造方法 |
US11970020B2 (en) | 2010-03-05 | 2024-04-30 | Unilin Bv | Method for manufacturing a floor board |
Families Citing this family (1)
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63230768A (ja) * | 1987-03-20 | 1988-09-27 | Mitsubishi Electric Corp | シリコ−ン導電性樹脂 |
JP2012049567A (ja) * | 2010-06-08 | 2012-03-08 | Sekisui Chem Co Ltd | 光半導体装置用ダイボンド材及びそれを用いた光半導体装置 |
JP2014080522A (ja) * | 2012-10-17 | 2014-05-08 | Shin Etsu Chem Co Ltd | 熱伝導性樹脂組成物 |
JP2015078296A (ja) * | 2013-10-16 | 2015-04-23 | 信越化学工業株式会社 | 硬化性熱伝導性樹脂組成物、該組成物の製造方法、該組成物の硬化物、該硬化物の使用方法、該組成物の硬化物を有する半導体装置、及び該半導体装置の製造方法 |
JP2015160862A (ja) * | 2014-02-26 | 2015-09-07 | 信越化学工業株式会社 | 樹脂組成物、メソゲン基含有硬化物及びその製造方法 |
WO2016024516A1 (ja) * | 2014-08-11 | 2016-02-18 | 株式会社アイ.エス.テイ | エラストマーの熱伝導性改質剤、熱伝導性改質液晶性エラストマー、液晶性高分子およびその前駆体の使用方法、エラストマーの熱伝導性改質方法、ならびに発熱体および被加熱体 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3959403A (en) * | 1975-03-31 | 1976-05-25 | General Electric Company | Process for making silarylenesilanediol, silarylenesiloxanediol and silarylenesiloxane-polydiorganosiloxane block copolymers |
US5035927A (en) * | 1990-06-26 | 1991-07-30 | Eastman Kodak Company | Toner fusing device and method of using the same |
JP5376510B2 (ja) | 2009-04-23 | 2013-12-25 | 国立大学法人群馬大学 | ポリテトラメチル−p−シルフェニレンシロキサンの延伸フィルムの製造法 |
JP6075261B2 (ja) | 2013-10-02 | 2017-02-08 | 信越化学工業株式会社 | 熱伝導性シリコーン組成物及びその硬化物 |
-
2016
- 2016-05-25 JP JP2017526220A patent/JP6699663B2/ja active Active
- 2016-05-25 WO PCT/JP2016/065414 patent/WO2017002489A1/ja active Application Filing
- 2016-05-25 EP EP16817598.2A patent/EP3318593B1/en active Active
- 2016-05-25 US US15/579,509 patent/US10590322B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63230768A (ja) * | 1987-03-20 | 1988-09-27 | Mitsubishi Electric Corp | シリコ−ン導電性樹脂 |
JP2012049567A (ja) * | 2010-06-08 | 2012-03-08 | Sekisui Chem Co Ltd | 光半導体装置用ダイボンド材及びそれを用いた光半導体装置 |
JP2014080522A (ja) * | 2012-10-17 | 2014-05-08 | Shin Etsu Chem Co Ltd | 熱伝導性樹脂組成物 |
JP2015078296A (ja) * | 2013-10-16 | 2015-04-23 | 信越化学工業株式会社 | 硬化性熱伝導性樹脂組成物、該組成物の製造方法、該組成物の硬化物、該硬化物の使用方法、該組成物の硬化物を有する半導体装置、及び該半導体装置の製造方法 |
JP2015160862A (ja) * | 2014-02-26 | 2015-09-07 | 信越化学工業株式会社 | 樹脂組成物、メソゲン基含有硬化物及びその製造方法 |
WO2016024516A1 (ja) * | 2014-08-11 | 2016-02-18 | 株式会社アイ.エス.テイ | エラストマーの熱伝導性改質剤、熱伝導性改質液晶性エラストマー、液晶性高分子およびその前駆体の使用方法、エラストマーの熱伝導性改質方法、ならびに発熱体および被加熱体 |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11970020B2 (en) | 2010-03-05 | 2024-04-30 | Unilin Bv | Method for manufacturing a floor board |
WO2018147010A1 (ja) * | 2017-02-07 | 2018-08-16 | 信越化学工業株式会社 | 新規メソゲン・ケイ素化合物(共)重合体及び熱可塑性エラストマー |
JPWO2018147010A1 (ja) * | 2017-02-07 | 2019-11-07 | 信越化学工業株式会社 | 新規メソゲン・ケイ素化合物(共)重合体及び熱可塑性エラストマー |
US11142612B2 (en) | 2017-02-07 | 2021-10-12 | Shin-Etsu Chemical Co., Ltd. | Mesogen-silicon compound (co)polymer and thermoplastic elastomer |
WO2019182860A1 (en) * | 2018-03-22 | 2019-09-26 | Momentive Performance Materials Inc. | Silicone polymer and composition comprising the same |
CN112189027A (zh) * | 2018-03-22 | 2021-01-05 | 莫门蒂夫性能材料股份有限公司 | 硅酮聚合物及包含其的组合物 |
US10941251B2 (en) | 2018-03-22 | 2021-03-09 | Momentive Performance Materials Inc. | Silicone polymer and composition comprising the same |
US10968351B2 (en) | 2018-03-22 | 2021-04-06 | Momentive Performance Materials Inc. | Thermal conducting silicone polymer composition |
JP2021518464A (ja) * | 2018-03-22 | 2021-08-02 | モメンティブ パフォーマンス マテリアルズ インコーポレイテッドMomentive Performance Materials Inc. | 熱伝導性シリコーンポリマー組成物 |
JP7511475B2 (ja) | 2018-03-22 | 2024-07-05 | モメンティブ パフォーマンス マテリアルズ インコーポレイテッド | 熱伝導性シリコーンポリマー組成物 |
KR102720667B1 (ko) * | 2018-03-22 | 2024-10-24 | 모멘티브 퍼포먼스 머티리얼즈 인크. | 열 전도성 실리콘 폴리머 조성물 |
JP7475578B2 (ja) | 2020-07-01 | 2024-04-30 | 信越化学工業株式会社 | 1,3-ジヒドロキシ-1,1,3,3-テトラ-tert-ブトキシジシロキサンの製造方法 |
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