[go: up one dir, main page]

WO2008047809A1 - Graisse - Google Patents

Graisse Download PDF

Info

Publication number
WO2008047809A1
WO2008047809A1 PCT/JP2007/070200 JP2007070200W WO2008047809A1 WO 2008047809 A1 WO2008047809 A1 WO 2008047809A1 JP 2007070200 W JP2007070200 W JP 2007070200W WO 2008047809 A1 WO2008047809 A1 WO 2008047809A1
Authority
WO
WIPO (PCT)
Prior art keywords
conductive material
heat
grease
heat conductive
particle size
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2007/070200
Other languages
English (en)
Japanese (ja)
Inventor
Toshitaka Yamagata
Takuya Okada
Akira Ubukata
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denka Co Ltd
Original Assignee
Denki Kagaku Kogyo KK
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Denki Kagaku Kogyo KK filed Critical Denki Kagaku Kogyo KK
Priority to JP2008539832A priority Critical patent/JP5231236B2/ja
Priority to US12/445,746 priority patent/US20100048435A1/en
Publication of WO2008047809A1 publication Critical patent/WO2008047809A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/02—Mixtures of base-materials and thickeners
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/04—Elements
    • C10M2201/05—Metals; Alloys
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/061—Carbides; Hydrides; Nitrides
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/02—Unspecified siloxanes; Silicones
    • C10M2229/025—Unspecified siloxanes; Silicones used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2229/00—Organic macromolecular compounds containing atoms of elements not provided for in groups C10M2205/00, C10M2209/00, C10M2213/00, C10M2217/00, C10M2221/00 or C10M2225/00 as ingredients in lubricant compositions
    • C10M2229/04—Siloxanes with specific structure
    • C10M2229/044—Siloxanes with specific structure containing silicon-to-hydrogen bonds
    • C10M2229/0445—Siloxanes with specific structure containing silicon-to-hydrogen bonds used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/04—Groups 2 or 12
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/06—Groups 3 or 13
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/01—Physico-chemical properties
    • C10N2020/055—Particles related characteristics
    • C10N2020/06—Particles of special shape or size
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/02—Pour-point; Viscosity index
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/08—Resistance to extreme temperature
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/14—Electric or magnetic purposes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2050/00—Form in which the lubricant is applied to the material being lubricated
    • C10N2050/10—Form in which the lubricant is applied to the material being lubricated semi-solid; greasy

Definitions

  • the present invention relates to a thermally conductive grease.
  • the amount of heat per unit area generated by these electronic component forces is becoming extremely large.
  • the amount of heat is about 20 times that of an iron.
  • a metal heat sink or case is used for cooling, and a heat-conducting material is used to efficiently transfer heat from heat-generating electronic components to the heat sink or case.
  • a heat-conducting material is used to efficiently transfer heat from heat-generating electronic components to the heat sink or case.
  • the thermally conductive material is a thermally conductive sheet made of a cured product obtained by filling a silicone rubber with a thermally conductive powder; a soft silicone such as a silicone gel is filled with the thermally conductive powder and has flexibility.
  • Thermally conductive pads made of cured products; fluid thermal grease with liquid silicone filled with thermal conductive powder; phase change thermal conductive material that softens or fluidizes at the operating temperature of heat-generating electronic components is there.
  • heat conductive grease is particularly easy to conduct heat.
  • Thermally conductive grease is obtained by adding thermally conductive powder to a base oil which is a liquid silicone such as silicone oil.
  • a base oil which is a liquid silicone such as silicone oil.
  • aluminum nitride powder as the thermal conductive powder (Patent Document 1).
  • aluminum nitride powder has a hexagonal crystal structure and is non-spherical in shape, there is a limit to increasing the filling amount of the heat conductive powder to achieve high heat conductivity.
  • Alumina powder and aluminum nitride powder (Patent Documents 2 and 3), or alumina powder and metal
  • Patent Document 4 When Noreminium powder (Patent Document 4) is used in a base oil that is dimethylsilicone oil, it has high heat conductivity. A so-called “oil-release” occurs in which the silicone oil component separates, increasing the thermal resistance.
  • Patent Document 1 Japanese Unexamined Patent Publication No. 2000-169873
  • Patent Document 2 Japanese Patent Laid-Open No. 2002-194379
  • Patent Document 3 Japanese Patent Laid-Open No. 2005-54099
  • Patent Document 4 Japanese Unexamined Patent Publication No. 2005-1 70971
  • Patent Document 5 Japanese Unexamined Patent Application Publication No. 2004-91 7743
  • An object of the present invention is to provide a grease exhibiting low thermal resistance and improved deterioration due to heat cycle, particularly a grease suitable for a heat conductive material of a heat-generating electronic component.
  • the present invention employs the following means in order to solve the above problems.
  • the thermally conductive material powder has a particle size distribution measured by the laser diffraction particle size distribution method of 2.0-lO ⁇ m, 1.0-; ⁇ ⁇ ⁇ ⁇ and 0 ⁇ ;!-0 ⁇ Grease having a frequency maximum in the range of 9 m and containing a base oil with a surface tension of 25 to 40 dyn / cm at 25 ° C.
  • Thermally conductive material (A), (B), or (C) is composed of metallic aluminum, aluminum nitride and The grease according to (1) or 2, wherein the grease is one or more selected from the group consisting of zinc oxide.
  • the thermal conductive material (A) is metallic aluminum
  • the thermal conductive material (B) is aluminum nitride
  • the thermal conductive material (C) is zinc oxide (1) or Grease as described in said (2).
  • the heat conductive material (A), (B), and (C) content is 60 to 80% by volume.
  • the thermally conductive material (A) is 50 to 70% by volume
  • the thermally conductive material (B) is 30 to 20% by volume
  • the thermally conductive material (C) is 20 to 10% by volume.
  • the present invention provides a grease suitable for thermal conductivity against heat generated from an electronic component. Grease with low thermal resistance and improved deterioration due to heat cycle.
  • the thermal conductive material (A), (B), or (C) contained in the grease of the present invention is one or two selected from the group consisting of metallic aluminum, aluminum nitride, and zinc oxide. More than a seed.
  • the thermally conductive material (A), (B), or (C) is, for example, a thermally conductive powder such as metal tin, metal silver, metal copper, silicon carbide, aluminum oxide, silicon nitride, or boron nitride powder.
  • the total amount of metallic aluminum, aluminum nitride and zinc oxide is preferable. Up to 5% by volume, particularly preferably up to 3% by volume, can be used.
  • the powder of the heat conductive material contained in the particle size distribution measured by the laser diffraction particle size distribution method is 2 ⁇ O-lO ⁇ m, 1.0 ⁇ ;
  • the force S can be increased to increase the number of contact points between the thermally conductive materials.
  • the thermal conductivity as grease can be improved.
  • One of the means having the particle size distribution of the heat conductive material powder having such a frequency maximum value is a method of mixing heat conductive materials having different particle size distributions.
  • Thermally conductive materials (A), ( ⁇ ), and (C) with different average particle diameters are mixed to increase the fillability of the thermally conductive material by mixing the three types of thermally conductive materials.
  • a thermally conductive material ( ⁇ ) having an average particle diameter of 2.0 to 10 m a thermally conductive material (B) having an average particle diameter of 1.0 to 1.9 m, and an average particle diameter
  • the heat conductive material (C) which is 0.;! ⁇ 0.9 ⁇ 111 By mixing the heat conductive material (C) which is 0.;! ⁇ 0.9 ⁇ 111, the filling property of the heat conductive material can be improved. As a result, the thermal conductivity as grease can be improved.
  • the heat conductive material is preferably contained by including a heat conductive material made of a material having an average particle size of preferably 0.;! To 10 m, preferably 0.3 to 6 m.
  • the grease filled with can be made thinner, and the thermal resistance (easy heat transfer) becomes smaller. This makes it possible to produce grease that is very easy to conduct heat.
  • the heat conductive material ( ⁇ ) having an average particle diameter of 2.0 to 10 ⁇ m used in the present invention needs to have an average particle diameter of 20 ⁇ 10 to 10 m, and further has an average particle diameter of Is preferably in the range of 3 to 6 m.
  • the average particle size is larger than 10 inches, it is difficult to make the grease thin, and the thermal resistance of the grease tends to increase.
  • the heat conductive material (A) is preferably metallic aluminum.
  • the thermally conductive material ( ⁇ ) having an average particle size of 1.0 to 1. 9 um used in the present invention needs to have an average particle size of 1 ⁇ 0 to;
  • the average particle size is preferably in the range of 1-3.
  • the average particle size is larger than 1.9 in, the particle size is close to that of the thermally conductive material with an average particle size of 2.0 to 10 m, so the packing property tends to deteriorate and the thermal resistance tends to increase. It is in.
  • the average particle size is smaller than 1 am, the average particle size becomes 0.;! ⁇ 0.9 in.
  • the filling property of the material tends to deteriorate, and the thermal resistance tends to increase.
  • As the heat conductive material (B) aluminum nitride is preferable.
  • the zinc oxide powder used in the present invention has an average particle size of 0 .;! To 0.9.
  • the heat conductive material (C) must have an average particle size of 0 .;! To 0.9. Further, those having an average particle diameter in the range of 0.3 to 0.7 ⁇ m are preferable.
  • the average particle size is larger than 0.9 mm, the average particle size is 1.0 to 1.9. Resistance tends to increase.
  • the average particle size is smaller than 0.1 l ⁇ m, the filling property of the whole heat conductive material tends to deteriorate, and the thermal resistance tends to increase.
  • the heat conductive material (C) zinc oxide is preferable.
  • the content of the heat conductive material (A), (B), and (C) in the grease is 60 to 80% by volume, preferably S, and more preferably 65 to 75% by volume.
  • the content of the heat conductive material exceeds 80% by volume, the grease tends to become hard and the thermal resistance tends to increase.
  • the content of the heat conductive material is less than 60% by volume, the heat conductive material tends to be difficult to transfer because the filling amount of the heat conductive material is small, and the thermal resistance tends to increase.
  • the blending ratio of the three types of heat conductive materials having different average particle diameters is preferably 50 to 70% by volume, particularly preferably 55 to 65% by volume in the heat conductive material (A).
  • the material (B) is preferably 30-20% by volume, particularly preferably 27-25% by volume
  • the thermally conductive material (C) is preferably 20-; 10% by volume, particularly preferably 17-13% by volume. % Is preferred.
  • the content of the heat conductive material (A) is less than 50% by volume, the dullies tend to become hard and the thermal resistance tends to increase.
  • it exceeds 70% by volume the filling property of the heat conductive material tends to deteriorate, and the thermal resistance tends to increase.
  • the average particle size in the present invention was measured using “Laser Diffraction Particle Size Distribution Measuring Device SALD-200” manufactured by Shimadzu Corporation.
  • SALD-200 “Laser Diffraction Particle Size Distribution Measuring Device SALD-200” manufactured by Shimadzu Corporation.
  • 5 g of 50 cc pure water and a heat conductive powder to be measured were added to a glass beaker, stirred with a spatula, and then subjected to a dispersion treatment for 10 minutes with an ultrasonic cleaner.
  • the powder solution of the thermally conductive material that had been subjected to the dispersion treatment was added drop-wise to the sambra portion of the apparatus using a spoid, and waited until the absorbance became measurable. When the absorbance becomes stable in this way, measure.
  • Laser diffraction particle size distribution analyzers use particles detected by sensors.
  • the particle size distribution is calculated from the light intensity distribution data of diffracted / scattered light.
  • the average particle size is obtained by multiplying the measured particle size value by the relative particle amount (difference%) and dividing by the total relative particle amount (100%).
  • the average particle diameter is the average diameter of the particles.
  • the base oil used in the present invention has a surface tension of 25 to 40 dyn / cm at 25 ° C, particularly preferably 30 to 35 dyn / cm. If the surface tension is less than 25 dyn / cm, the base oil tends to separate due to repeated heat cycles on the grease, which tends to cause the grease to become harder and heat conductivity to deteriorate. . On the other hand, if the surface tension force is greater than 0 dyn / cm, the wettability of the grease tends to be poor, and the thermal conductivity tends to be poor because the grease is difficult to spread.
  • Surface tension is a property of a liquid that tends to make the surface as small as possible, and is a kind of interfacial tension.
  • the liquid When in contact with a liquid or gas, the liquid has the property of reducing the surface area as much as possible. While the molecules in the liquid are attracted from the surroundings, the molecules on the surface are not affected by the attraction of the liquid molecules only in the parts not touching the liquid. Accordingly, the molecules on the surface have excess energy, which is the strength of the surface tension. When this surface tension becomes strong and shows a large value, the base oil is separated from the dull.
  • the Wilhelmy method is preferable as a method for measuring the surface tension.
  • a plate mainly a platinum plate
  • the surface tension works to reduce the area of the increased liquid level.
  • This force is calculated as the force per length (dyne / cm) divided by the perimeter of the plate (twice the sum of width and thickness). This determines the surface tension.
  • an “automatic surface tension meter” manufactured by Kyowa Interface Chemical is used as an apparatus for measuring surface tension.
  • the surface tension of the base oil can also be adjusted by adding an additive having a low surface tension and a large base oil surface tension.
  • the force S is used to adjust the surface tension by adding a silane coupling agent having an alkyl group to dimethylsilicone oil having a low surface tension.
  • the viscosity of the base oil is preferably 300 to 1000 mPa-s, and particularly preferably 500 m to 700 mPa's. If the base oil has a viscosity of less than 300 mPa's, One base oil and a thermally conductive material tend to be separated, and the thermal resistance tends to increase. When the viscosity of the base oil exceeds lOOOOmPa's, it tends to be difficult to fill the heat conductive material at a high level, and the thermal conductivity of the grease tends to deteriorate.
  • the viscosity of the base oil is measured using "Digital Viscometer DV-I" manufactured by Brookfield. Using the RV spindle set, use rotor No. 1 and use a container that can contain the rotor and base oil up to the reference line. Immerse the rotor in base oil and evaluate the viscosity value at lOrp m.
  • the surface tension is preferably 25 to 40 dyn / cm and the viscosity is 300 to; the methyl group of dimethylsilicone oil having lOOOOPa's has 3 or more carbon atoms, It is particularly preferable to use a silicone oil which is modified with an alkyl group of 8 to 12 and has a surface tension of preferably 27 to 37 dy n / cm and a viscosity of 400 to 800 mPa's. Silicone oil modified with an alkyl group has a large surface tension, and when it is made dull, it can suppress deterioration of thermal resistance due to heat cycle.
  • the grease of the present invention contains a silane coupling agent, and can make the filler hydrophobic as a surface modifier, improve dispersibility, and modify other organic resins.
  • Suitable silane coupling agents include alkyl silanes having an alkyl group having 8 to 10 carbon atoms. Examples of preferred silane coupling agents include n-octyltrimethoxysilane, n-octyltriethoxysilane, n -decyltrimethoxysilane and the like.
  • the grease of the present invention may further contain an antioxidant, a metal corrosion inhibitor and the like as necessary.
  • the grease of the present invention can be produced by kneading the above materials with a universal mixing stirrer, kneader, hybrid mixer or the like.
  • the thermal resistance of the grease according to the present invention is preferably in consideration of the thermal conductivity of the grease.
  • a thickness of lmm 10000mm 2 (100mm X 10 Omm ) of 900mm in thickness 100 mu m between the transparent glass plates are of the area 2 (30mm X 30 mm)
  • a heat cycle test was performed at 40 ° C for 30 minutes and 130 ° C for 30 minutes. The number of cycles is 100.
  • the weight of the base oil separated from the thermally conductive dull was measured to evaluate the separation.
  • the heat conductive materials (A), (B), (C) shown in Table 1, the base oil (D) shown in Table 2, and the silane coupling agent (E) shown in Table 3 are used in Tables 4-6. And blended for 5 minutes using “Shintaro Awatori AR-250” manufactured by Shinky to produce grease.
  • Table 4 shows the results of evaluating the thermal resistance and separation state of the obtained grease. In the evaluation results, a heat conductive grease with a thermal resistance exceeding 0.2 ° C / W has a thermal characteristic and can efficiently transfer heat from the heat generating part to the cooling part.
  • the grease of the present invention exhibits low thermal resistance, and can efficiently transfer heat from a heat generating electronic component that is less deteriorated by heat cycle to a cooling part such as a heat sink or a casing.
  • the thermally conductive grease according to the present invention is suitably used in various fields, but in particular, because it can efficiently transfer heat by being present between a heat-generating electronic component and a heat sink, etc. Used for cooling electronic parts that generate heat.
  • the entire contents of the specification, claims and abstract of Japanese Patent Application No. 2006-282457, filed on October 17, 2006, are cited herein as the disclosure of the specification of the present invention. Incorporated.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

La présente invention concerne une graisse présentant une faible résistance thermique et ayant été améliorée en termes de dégradation due au cycle thermique, en particulier, une graisse appropriée pour un matériau thermoconducteur d'un composant électronique thermogène. La présente invention concerne une graisse comprenant une poudre d'un matériau thermoconducteur composé d'un ou plusieurs éléments choisis dans le groupe constitué par un matériau thermoconducteur (A), un matériau thermoconducteur (B) et un thermoconducteur (C), laquelle poudre de matériau thermoconducteur présentant des pics de fréquence dans les gammes de 2,0 à 10 µm, de 1,0 à 1,9 µm et de 0,1 à 0,9 µm de la distribution de la taille de grain déterminée par le procédé de distribution de la taille de grain par diffraction de faisceau laser et contenant une huile de base ayant une tension superficielle à 25 °C allant de 25 à 40 dyn/cm.
PCT/JP2007/070200 2006-10-17 2007-10-16 Graisse Ceased WO2008047809A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2008539832A JP5231236B2 (ja) 2006-10-17 2007-10-16 グリース
US12/445,746 US20100048435A1 (en) 2006-10-17 2007-10-16 Grease

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006282457 2006-10-17
JP2006-282457 2006-10-17

Publications (1)

Publication Number Publication Date
WO2008047809A1 true WO2008047809A1 (fr) 2008-04-24

Family

ID=39314036

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/070200 Ceased WO2008047809A1 (fr) 2006-10-17 2007-10-16 Graisse

Country Status (5)

Country Link
US (1) US20100048435A1 (fr)
JP (1) JP5231236B2 (fr)
CN (1) CN101528902A (fr)
TW (1) TWI457434B (fr)
WO (1) WO2008047809A1 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009185212A (ja) * 2008-02-07 2009-08-20 Denki Kagaku Kogyo Kk 熱伝導性グリース
JP2010106209A (ja) * 2008-10-31 2010-05-13 Eishindo:Kk 潤滑剤
WO2012067247A1 (fr) * 2010-11-18 2012-05-24 電気化学工業株式会社 Composite thermoconducteur de durabilité élevée et graisse présentant un faible suintement
JP6246986B1 (ja) * 2016-07-22 2017-12-13 モメンティブ・パフォーマンス・マテリアルズ・ジャパン合同会社 熱伝導性ポリシロキサン組成物
WO2018016566A1 (fr) * 2016-07-22 2018-01-25 モメンティブ・パフォーマンス・マテリアルズ・ジャパン合同会社 Composition de polysiloxane thermoconductrice
JP2020002212A (ja) * 2018-06-26 2020-01-09 住友金属鉱山株式会社 熱伝導性グリース
US11254849B2 (en) 2015-11-05 2022-02-22 Momentive Performance Materials Japan Llc Method for producing a thermally conductive polysiloxane composition
US11286349B2 (en) 2016-07-22 2022-03-29 Momentive Performance Materials Japan Llc Surface treatment agent for thermally conductive polyorganosiloxane composition
US11359124B2 (en) 2017-05-31 2022-06-14 Momentive Performance Materials Japan Llc Thermally conductive polysiloxane composition

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102250589B (zh) * 2011-05-18 2013-05-29 杨福河 一种高性能无硅导热膏及其制备方法
WO2015084778A1 (fr) 2013-12-05 2015-06-11 Honeywell International Inc. Solution de méthanesulfonate stanneux à ph ajusté
PL3166999T3 (pl) 2014-07-07 2023-07-03 Honeywell International Inc. Materiał termoprzewodzący ze zmiataczem jonów
EP3227399B1 (fr) 2014-12-05 2021-07-14 Honeywell International Inc. Matériaux d'interface thermique haute performance à faible impédance thermique
US10138439B2 (en) * 2015-09-30 2018-11-27 Northwestern University Lubrication material using self-dispersed crumpled graphene balls as additives in oil for friction and wear reduction
US10312177B2 (en) 2015-11-17 2019-06-04 Honeywell International Inc. Thermal interface materials including a coloring agent
US10781349B2 (en) 2016-03-08 2020-09-22 Honeywell International Inc. Thermal interface material including crosslinker and multiple fillers
US10501671B2 (en) 2016-07-26 2019-12-10 Honeywell International Inc. Gel-type thermal interface material
US11041103B2 (en) 2017-09-08 2021-06-22 Honeywell International Inc. Silicone-free thermal gel
US10428256B2 (en) 2017-10-23 2019-10-01 Honeywell International Inc. Releasable thermal gel
US11072706B2 (en) 2018-02-15 2021-07-27 Honeywell International Inc. Gel-type thermal interface material
US11373921B2 (en) 2019-04-23 2022-06-28 Honeywell International Inc. Gel-type thermal interface material with low pre-curing viscosity and elastic properties post-curing
EP4253315B1 (fr) * 2021-01-06 2025-09-17 Denka Company Limited Poudre de nitrure de bore, feuille de dissipation de chaleur et méthode de production de feuille de dissipation de chaleur

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000169873A (ja) * 1998-12-02 2000-06-20 Shin Etsu Chem Co Ltd シリコーングリース組成物
JP2001152175A (ja) * 1999-11-30 2001-06-05 Ntn Corp 低発塵潤滑剤及び低発塵グリース
JP2002201483A (ja) * 2001-01-04 2002-07-19 Hitachi Ltd 高熱伝導グリース組成物及びそれを用いた冷却装置
JP2004091743A (ja) * 2002-09-04 2004-03-25 Denki Kagaku Kogyo Kk 熱伝導性グリース
JP2005054099A (ja) * 2003-08-06 2005-03-03 Denki Kagaku Kogyo Kk 熱伝導性グリース
JP2005154532A (ja) * 2003-11-25 2005-06-16 Shin Etsu Chem Co Ltd 放熱用シリコーングリース組成物
JP2005170971A (ja) * 2003-12-08 2005-06-30 Denki Kagaku Kogyo Kk グリース
JP2005330426A (ja) * 2004-05-21 2005-12-02 Shin Etsu Chem Co Ltd 放熱用シリコーングリース組成物

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3142800B2 (ja) * 1996-08-09 2001-03-07 信越化学工業株式会社 熱伝導性シリコーン組成物、熱伝導性材料及び熱伝導性シリコーングリース
JP4864188B2 (ja) * 2000-02-17 2012-02-01 Ｎｔｎ株式会社 低発塵性潤滑グリースおよび転がり軸受並びに直動装置
JP4796704B2 (ja) * 2001-03-30 2011-10-19 株式会社タイカ 押出可能な架橋済グリース状放熱材を充填・封入した容器の製法
TWI385246B (zh) * 2004-05-21 2013-02-11 信越化學工業股份有限公司 聚矽氧烷潤滑油組成物
JP4687887B2 (ja) * 2004-10-14 2011-05-25 信越化学工業株式会社 熱伝導性シリコーングリース組成物

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000169873A (ja) * 1998-12-02 2000-06-20 Shin Etsu Chem Co Ltd シリコーングリース組成物
JP2001152175A (ja) * 1999-11-30 2001-06-05 Ntn Corp 低発塵潤滑剤及び低発塵グリース
JP2002201483A (ja) * 2001-01-04 2002-07-19 Hitachi Ltd 高熱伝導グリース組成物及びそれを用いた冷却装置
JP2004091743A (ja) * 2002-09-04 2004-03-25 Denki Kagaku Kogyo Kk 熱伝導性グリース
JP2005054099A (ja) * 2003-08-06 2005-03-03 Denki Kagaku Kogyo Kk 熱伝導性グリース
JP2005154532A (ja) * 2003-11-25 2005-06-16 Shin Etsu Chem Co Ltd 放熱用シリコーングリース組成物
JP2005170971A (ja) * 2003-12-08 2005-06-30 Denki Kagaku Kogyo Kk グリース
JP2005330426A (ja) * 2004-05-21 2005-12-02 Shin Etsu Chem Co Ltd 放熱用シリコーングリース組成物

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009185212A (ja) * 2008-02-07 2009-08-20 Denki Kagaku Kogyo Kk 熱伝導性グリース
JP2010106209A (ja) * 2008-10-31 2010-05-13 Eishindo:Kk 潤滑剤
WO2012067247A1 (fr) * 2010-11-18 2012-05-24 電気化学工業株式会社 Composite thermoconducteur de durabilité élevée et graisse présentant un faible suintement
US11254849B2 (en) 2015-11-05 2022-02-22 Momentive Performance Materials Japan Llc Method for producing a thermally conductive polysiloxane composition
KR102335616B1 (ko) 2016-07-22 2021-12-06 모멘티브 파포만스 마테리아루즈 쟈판 고도가이샤 열전도성 폴리실록산 조성물
KR20190034575A (ko) * 2016-07-22 2019-04-02 모멘티브 파포만스 마테리아루즈 쟈판 고도가이샤 열전도성 폴리실록산 조성물
US20210147681A1 (en) 2016-07-22 2021-05-20 Momentive Performance Materials Japan Llc Thermally conductive polysiloxane composition
US11118056B2 (en) 2016-07-22 2021-09-14 Momentive Performance Materials Japan Llc Thermally conductive polysiloxane composition
WO2018016566A1 (fr) * 2016-07-22 2018-01-25 モメンティブ・パフォーマンス・マテリアルズ・ジャパン合同会社 Composition de polysiloxane thermoconductrice
JP6246986B1 (ja) * 2016-07-22 2017-12-13 モメンティブ・パフォーマンス・マテリアルズ・ジャパン合同会社 熱伝導性ポリシロキサン組成物
US11286349B2 (en) 2016-07-22 2022-03-29 Momentive Performance Materials Japan Llc Surface treatment agent for thermally conductive polyorganosiloxane composition
US11359124B2 (en) 2017-05-31 2022-06-14 Momentive Performance Materials Japan Llc Thermally conductive polysiloxane composition
JP2020002212A (ja) * 2018-06-26 2020-01-09 住友金属鉱山株式会社 熱伝導性グリース
JP7073939B2 (ja) 2018-06-26 2022-05-24 住友金属鉱山株式会社 熱伝導性グリース

Also Published As

Publication number Publication date
JP5231236B2 (ja) 2013-07-10
JPWO2008047809A1 (ja) 2010-02-25
TW200839007A (en) 2008-10-01
CN101528902A (zh) 2009-09-09
US20100048435A1 (en) 2010-02-25
TWI457434B (zh) 2014-10-21

Similar Documents

Publication Publication Date Title
WO2008047809A1 (fr) Graisse
CN111315825B (zh) 导热性硅脂组合物
JP5463116B2 (ja) 熱伝導性材料
KR102478791B1 (ko) 저열저항 실리콘 조성물
CN103923463B (zh) 导热硅脂组合物
CN107207858B (zh) 硅组合物
TWI302923B (fr)
JP2009096961A (ja) リワーク性に優れた熱伝導性シリコーングリース組成物
US20080213578A1 (en) Heat conductive silicone grease composition and cured product thereof
JP2008038137A (ja) 熱伝導性シリコーングリース組成物およびその硬化物
WO2015087620A1 (fr) Composition accumulatrice de chaleur
CN110709474A (zh) 导热性聚有机硅氧烷组合物
JP2017519888A (ja) 混合アスペクト比粒子分散を有する熱界面材料
JP2008222776A (ja) 熱伝導性シリコーングリース組成物
US20130248755A1 (en) High durability thermally conductive composite and low de-oioling grease
JP2009185212A (ja) 熱伝導性グリース
KR101775288B1 (ko) 장기 저장 안정성 및 방열성이 우수한 실리콘 조성물
JP7015424B1 (ja) 熱伝導性シリコーングリース組成物及びその製造方法
KR20110121881A (ko) 장기 저장 안정성 및 방열성이 우수한 실리콘 조성물
WO2006132253A1 (fr) Composition d’huile thermoconductrice, agent de radiation thermique et équipement électronique
WO2022215292A1 (fr) Composition de graisse thermoconductrice
KR20250168640A (ko) 실리콘 조성물
JP2025150771A (ja) 熱伝導性スペーサー及び熱伝導性組成物
JP2025150603A (ja) 熱伝導性スペーサー及び熱伝導性組成物
JP2025123768A (ja) 二液硬化型組成物セット、硬化物及び電子機器

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200780038547.9

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07829934

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 2008539832

Country of ref document: JP

WWE Wipo information: entry into national phase

Ref document number: 12445746

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07829934

Country of ref document: EP

Kind code of ref document: A1