WO2014188841A1 - 光硬化性アクリル系熱伝導組成物、アクリル系熱伝導性シート及びその製造方法 - Google Patents
光硬化性アクリル系熱伝導組成物、アクリル系熱伝導性シート及びその製造方法 Download PDFInfo
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1808—C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
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- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
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- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/13—Phenols; Phenolates
- C08K5/134—Phenols containing ester groups
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- 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
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1812—C12-(meth)acrylate, e.g. lauryl (meth)acrylate
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/20—Esters of polyhydric alcohols or phenols, e.g. 2-hydroxyethyl (meth)acrylate or glycerol mono-(meth)acrylate
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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
- C08F222/00—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 a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/10—Esters
- C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
- C08F222/102—Esters of polyhydric alcohols or polyhydric phenols of dialcohols, e.g. ethylene glycol di(meth)acrylate or 1,4-butanediol dimethacrylate
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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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
Definitions
- the present invention relates to a photocurable acrylic heat conductive composition, an acrylic heat conductive sheet obtained therefrom, and a method for producing the same.
- Thermally conductive sheets are widely used to bring an electrical element such as an IC chip that generates heat during driving into close contact with a heat radiating member such as a heat sink.
- a heat conductive sheet include a photocurable binder composition containing a photocurable compound such as a photocurable silicone compound or an acrylic compound and a photopolymerization initiator, and heat conductivity of alumina fine particles or the like.
- a photocurable heat conductive composition in which a conductive filler or the like is dispersed is made into a sheet and photocured (Patent Documents 1 and 2).
- the oxidative degradation of the acrylic thermal conductive sheet can be suppressed to some extent, the thermal degradation caused by the action of the heat and oxygen of the acrylic resin that occurs when the acrylic thermal conductive sheet is used in a high heat environment can be sufficiently suppressed.
- the flexibility of the acrylic heat conductive sheet is lowered.
- the object of the present invention is to solve the above-mentioned conventional problems, and contains a primary antioxidant and a secondary antioxidant, and is a photo-curing property particularly suitable for an acrylic thermal conductive sheet.
- Acrylic heat conductive composition that is capable of forming an acrylic heat conductive sheet that prevents a decrease in flexibility due to heat and oxygen, and obtainable therefrom An acrylic thermal conductive sheet and a method for producing the same are provided.
- the present inventor in addition to a primary antioxidant and a secondary antioxidant, in addition to a photocurable acrylic thermal conductive composition, generally a thermal degradation that prevents thermal degradation of the polymer after photopolymerization by trapping polymer radicals. It was found that the above-mentioned object can be achieved by blending a predetermined amount of a heat deterioration preventing agent that is an inhibitor and was not blended in the photocurable binder composition before photopolymerization. It came to complete.
- the present invention is a photocurable acrylic heat conductive composition suitable for an acrylic heat conductive sheet, and is based on (meth) acrylic acid ester monomer and 100 parts by weight of (meth) acrylic acid ester monomer. 300 to 2000 parts by mass of a heat conductive filler, 0.5 to 7.0 parts by mass of a radical photopolymerization initiator, 0.5 to 4.0 parts by mass of a primary antioxidant, Provided is a photocurable acrylic heat conductive composition comprising 5 to 8.0 parts by mass and a thermal deterioration inhibitor 0.1 to 4.0 parts by mass.
- the present invention provides an acrylic heat conductive sheet characterized by comprising a sheet-like photocured product of the photocurable acrylic heat conductive composition.
- the present invention relates to a method for producing an acrylic heat conductive sheet by forming a photocurable acrylic heat conductive composition containing a heat conductive filler into a sheet and irradiating it with ultraviolet rays to cause photopolymerization.
- a photocurable acrylic heat conductive composition (meth) acrylic acid ester monomer, heat conductive filler 300 to 2000 parts by weight with respect to 100 parts by weight of (meth) acrylic acid ester monomer, photo radical polymerization initiator 0.5 to 7.0 parts by mass, primary antioxidant 0.5 to 4.0 parts by mass, secondary antioxidant 0.5 to 8.0 parts by mass, thermal degradation inhibitor 0.1 to The manufacturing method characterized by using what contains 4.0 mass parts is provided.
- the photocurable acrylic thermal conductive composition of the present invention suitable for an acrylic thermal conductive sheet comprises a (meth) acrylic acid ester monomer, a thermal conductive filler, a photo radical polymerization initiator, a primary antioxidant, The secondary antioxidant and the polymer radical scavenging heat deterioration inhibitor are contained in a specific ratio.
- This photocurable acrylic heat conductive composition already contains a thermal degradation inhibitor before photopolymerization. Therefore, it is expected that the photopolymerization reaction of this photocurable acrylic heat conductive composition is inhibited. However, unexpectedly, the photopolymerization reaction due to ultraviolet irradiation is not greatly inhibited.
- the acrylic heat conductive sheet after polymerization contains a heat deterioration preventing agent that retains the heat deterioration preventing action. Therefore, according to the photocurable acrylic heat conductive composition of the present invention, an acrylic system in which oxidation degradation is prevented by the primary antioxidant and the secondary antioxidant, and thermal degradation due to heat and oxygen is also prevented. A thermally conductive sheet can be provided.
- the present invention is a photocurable acrylic heat conductive composition suitable for an acrylic heat conductive sheet.
- This photo-curable acrylic thermal conductive composition comprises a (meth) acrylic acid ester monomer, a thermal conductive filler, a photo radical polymerization initiator, a primary antioxidant, a secondary antioxidant, and a thermal deterioration preventive agent.
- An agent is contained in a specific ratio.
- ((Meth) acrylic acid ester monomer) As the (meth) acrylic acid ester monomer, a known monofunctional (meth) acrylate (where (meth) acrylate includes acrylate and methacrylate), bifunctional or more polyfunctional (meth) acrylate is used. can do. In the present invention, it is preferable to use a polyfunctional (meth) acrylate for at least a part of the acrylic monomer in order to make the adhesive thermosetting.
- Monofunctional (meth) acrylates include methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, i-propyl (meth) acrylate, n-butyl (meth) acrylate, i-butyl (meth) ) Acrylate, t-butyl (meth) acrylate, 2-methylbutyl (meth) acrylate, n-pentyl (meth) acrylate, n-hexyl (meth) acrylate, n-heptyl (meth) acrylate, 2-methylhexyl (meth) Acrylate, 2-ethylhexyl (meth) acrylate, 2-butylhexyl (meth) acrylate, isooctyl (meth) acrylate, isopentyl (meth) acrylate, isononyl (meth) acrylate, isode
- Bifunctional (meth) acrylates include bisphenol F-EO-modified di (meth) acrylate, bisphenol A-EO-modified di (meth) acrylate, polypropylene glycol di (meth) acrylate, polyethylene glycol (meth) acrylate, and tricyclodecanedi. Examples include methylol di (meth) acrylate and dicyclopentadiene (meth) acrylate.
- the trifunctional (meth) acrylate include trimethylolpropane tri (meth) acrylate, trimethylolpropane PO-modified (meth) acrylate, and isocyanuric acid EO-modified tri (meth) acrylate.
- tetrafunctional or higher functional (meth) acrylates examples include dipentaerythritol penta (meth) acrylate, pentaerythritol hexa (meth) acrylate, pentaerythritol tetra (meth) acrylate, and ditrimethylolpropane tetraacrylate.
- polyfunctional urethane (meth) acrylates can also be used. Specific examples include M1100, M1200, M1210, M1600 (above, Toa Gosei Co., Ltd.), AH-600, AT-600 (above, Kyoeisha Chemical Co., Ltd.) and the like.
- Particularly preferable (meth) acrylic acid ester monomers include 2-ethylhexyl acrylate or lauryl acrylate from the viewpoint of imparting preferable flexibility to the acrylic thermal conductive sheet.
- the heat deterioration preventing agent prevents heat deterioration of the photocurable acrylic heat conductive composition due to heat and oxygen.
- the thermal deterioration inhibitor usually captures a polymer radical generated by the action of heat and oxygen and holds it as a stable radical compound.
- an acrylic acid monoester of 1,1-bis (2-hydroxy-3,5-di-tert-alkylphenyl) alkane of the following formula (1) is preferably used as a thermal degradation inhibitor.
- R1 bonded to the 3-position of the phenyl group is a tertiary alkyl group having 4 to 6 carbon atoms, specifically, a tertiary butyl group, a tertiary pentyl group, or a tertiary hexyl group. Can be preferably mentioned. Among these, a tertiary butyl group and a tertiary pentyl group are particularly preferable.
- R2 bonded to the 5-position of the phenyl group examples include an alkyl group having 1 to 5 carbon atoms, a secondary alkyl group having 3 to 5 carbon atoms, and a tertiary alkyl group having 4 to 5 carbon atoms. .
- a pentyl group, a hexyl group, an isohexyl group, a secondary hexyl group, a tertiary hexyl group, and the like can be given.
- a methyl group, a tertiary butyl group, and a tertiary pentyl group are preferable.
- R to which two phenyl residues are bonded is a divalent hydrocarbon group, preferably a — (CH 2 ) n — group (n is an integer of 1 to 2), — (CH (CH 3 )) n -group (n is an integer from 1 to 2).
- a — (CH (CH 3 )) — group is preferable.
- the heat degradation inhibitor include acrylic acid monoesters of 1,1-bis (2-hydroxy-3,5-di-tert-alkylphenyl) alkane, and particularly preferred examples include 1,1 An acrylic acid monoester of 1-bis (2-hydroxy-3,5-di-tert-pentylphenyl) ethane (Sumilizer GS, Sumitomo Chemical Co., Ltd.) can be mentioned.
- the content of the heat degradation inhibitor in the photocurable acrylic heat conductive composition is a (meth) acrylic acid ester monomer from the viewpoint of realizing an appropriate addition effect of the heat degradation inhibitor and preventing the curing from being inhibited.
- the amount is 0.1 to 4.0 parts by weight, preferably 0.2 to 3.0 parts by weight, based on 100 parts by weight.
- the blending amount of the thermal deterioration preventing agent with respect to 100 parts by weight of the primary inhibitor described later is preferably 10 to 130 parts by weight from the viewpoint of realizing an appropriate addition effect of the deterioration preventing agent and preventing inhibition of curing. More preferably, it is 20 to 100 parts by mass.
- the primary antioxidant is for trapping peroxy radicals to prevent oxidative degradation of the resin, and a conventionally known primary antioxidant can be applied, preferably a phenolic antioxidant is used. be able to.
- phenolic antioxidants include hexamethylene bis [(3,5-di-tert-butyl-4-hydroxyphenyl) propionic acid amide], 4,4′-thiobis (6-tert-butyl-m-cresol).
- the content of the primary antioxidant in the photocurable acrylic heat conductive composition is a (meth) acrylic acid ester monomer from the viewpoint of realizing an appropriate addition effect of the primary antioxidant and preventing the curing from being inhibited.
- the amount is 0.5 to 4.0 parts by weight, preferably 1.0 to 3.0 parts by weight, based on 100 parts by weight.
- the secondary antioxidant is for decomposing a hydroxide radical to prevent oxidative degradation of the resin, and a conventionally known secondary antioxidant can be applied, preferably a phosphorus-based antioxidant. Can be used.
- Phosphorus antioxidants include trisnonylphenyl phosphite, tris (2,4-di-tert-butylphenyl) phosphite, tris [2-tert-butyl-4- (3-tert-butyl-4-hydroxy).
- phosphite tridecyl phosphite, octyl diphenyl phosphite, di (decyl) monophenyl phosphite, di (tridecyl) pentaerythritol diphosphite, distearyl pentaerythritol di Phosphite, di (nonylphenyl) pentaerythritol diphosphite, bis (2,4-di-tert-butylphenyl) pentaerythritol diphosphite, bis (2,6-di-tert-butyl-4-methylphenyl) Pentaerythritol diphosph Bis (2,4,6-tri-tert-butylphenyl) pentaerythritol diphosphite, tetra (tridecyl) isopropy
- the content of the secondary antioxidant in the photocurable acrylic heat conductive composition is (meth) acrylic acid from the viewpoint of realizing an appropriate addition effect of the secondary antioxidant and preventing the curing from being inhibited.
- the amount is 0.5 to 8.0 parts by weight, preferably 0.8 to 4.0 parts by weight, based on 100 parts by weight of the ester monomer.
- the blending amount of the secondary antioxidant with respect to 100 parts by mass of the primary antioxidant is preferably 50 to 270 parts by mass from the viewpoint of realizing an appropriate addition effect of the secondary antioxidant and preventing inhibition of curing. More preferably, it is 80 to 130 parts by mass.
- radical photopolymerization initiator Conventionally known radical photopolymerization initiators can be applied as the radical photopolymerization initiator.
- 2-hydroxy-2-cyclohexylacetophenone Irgacure 184, BASF Japan Ltd.
- ⁇ -hydroxy- ⁇ , ⁇ '-dimethylacetophenone Darocur 1173, BASF Japan Ltd.
- 2,2-dimethoxy-2-phenylacetophenone Irgacure 651, BASF Japan Ltd.
- 4- (2-hydroxyethoxy) phenyl (2-hydroxy-2-propyl) ketone (Darocur 2959, BASF Japan Ltd.)
- 2-hydroxy-1- [4- ⁇ 4- (2-hydroxy-2-methyl-propionyl) -benzyl ⁇ phenyl] -2-methyl-propan-1-one Irgacure 127, BASF Japan Ltd.
- benzyl ketal photoinitiators include
- phosphorous photopolymerization initiators bis (2,4,6-trimethylbenzoyl) -phenylphosphine oxide (Irgacure 819, BASF Japan Ltd.), (2,4,6-trimethylbenzoyl-diphenylphosphine oxide (Darocur TPO)
- 2-hydroxy-2-cyclohexylacetophenone, ⁇ -hydroxy- ⁇ , ⁇ '-dimethylacetophenone, particularly bis Mention may be made of 2,4,6-trimethylbenzoyl) -phenylphosphine oxide.
- the content of the photoradical polymerization initiator in the photocurable acrylic heat conductive composition is 0.5 to 7.0 with respect to 100 parts by mass of the (meth) acrylic acid ester monomer from the viewpoint of obtaining appropriate cured properties. Part by mass, preferably 1.0 to 3.0 parts by mass.
- Thermal conductive filler As the heat conductive filler, a conventionally known heat conductive filler having a spherical shape, a flat shape, or a fibrous shape can be used. Two or more different shapes and sizes may be used in combination.
- the average particle diameter is preferably 0.1 to 100 ⁇ m, more preferably 1 to 80 ⁇ m, and in the case of a fibrous shape, the average length is preferably 1 ⁇ m to The thickness is 6 mm, more preferably 5 to 900 ⁇ m.
- thermally conductive fillers include insulating metal oxide fillers such as alumina, aluminum nitride, silica, zinc oxide, magnesium oxide, aluminum hydroxide and magnesium hydroxide, semiconductor fillers such as silicon and SiC, copper and silver Examples thereof include metal fillers such as aluminum, magnetic fillers such as ferrite, sendust, and amorphous metal, and fiber fillers such as glass fibers and carbon fibers.
- metal oxide fillers such as alumina, aluminum nitride, silica, zinc oxide, magnesium oxide, aluminum hydroxide and magnesium hydroxide
- semiconductor fillers such as silicon and SiC
- metal fillers such as aluminum
- magnetic fillers such as ferrite, sendust, and amorphous metal
- fiber fillers such as glass fibers and carbon fibers.
- aluminum hydroxide, alumina, and magnesium oxide can be preferably used from the viewpoint of realizing good flame retardancy and insulation.
- the content of the heat conductive filler in the photocurable acrylic heat conductive composition is too small, the thermal resistance cannot be sufficiently reduced. Since it becomes difficult to mix, it is preferably 300 to 2000 parts by mass, more preferably 650 to 1400 parts by mass with respect to 100 parts by mass of the (meth) acrylic acid ester monomer.
- the photocurable acrylic heat conductive composition of the present invention can contain a known plasticizer used for acrylic resins in order to impart flexibility to the heat conductive sheet.
- a known plasticizer used for acrylic resins for example, phthalate ester plasticizer, aliphatic dibasic ester plasticizer, castor oil fatty acid ester plasticizer, polyester plasticizer, trimet acid plasticizer, pyrometate ester plasticizer, phosphate ester A plasticizer or the like can be contained.
- the content of these plasticizers in the photocurable acrylic heat conductive composition is preferably 20 to 220 with respect to 100 parts by mass of the (meth) acrylate monomer in order to obtain an appropriate effect of adding the plasticizer.
- the weight is more preferably 50 to 200 parts by weight.
- the photocurable acrylic thermal conductive composition further includes a silane coupling agent, a filler such as silica and mica, a pigment, an antistatic agent, an antioxidant, a rust inhibitor, a dispersant, a precipitation inhibitor, if necessary.
- a flame retardant etc. can be contained.
- Each of the photocurable acrylic thermal conductive compositions has a predetermined blending amount, (meth) acrylic acid ester monomer, thermal conductive filler, photo radical polymerization initiator, primary antioxidant, and secondary antioxidant. It can be prepared by uniformly mixing the agent, further the heat deterioration preventing agent, and other additives blended as necessary, by a conventional method, for example, using a satellite type agitator (Sinky Corp.).
- the photocurable acrylic thermal conductive composition of the present invention can be used as an acrylic thermal conductive sheet by making it into a sheet-like photocured product. That is, an acrylic heat conductive sheet can be produced by forming a photocurable acrylic heat conductive composition containing a heat conductive filler into a sheet and irradiating it with ultraviolet rays to cause photopolymerization. Specifically, first, the photocurable acrylic heat conductive composition containing the heat conductive filler described above is formed into a sheet having a thickness of usually 500 to 2000 ⁇ m by a conventional method such as a calendar method.
- This sheet is irradiated with ultraviolet light having a maximum intensity of 300 to 400 nm from an ultraviolet lamp at an irradiation intensity of 1 mW / cm 2 on both sides of the sheet simultaneously for 5 minutes to effect photopolymerization and curing. Sheet can be produced.
- the degree of “thermal conductivity” of the acrylic thermal conductive sheet is preferably 1 to 5 W ⁇ m ⁇ 1 ⁇ K ⁇ 1 , more preferably 1 to 3 W ⁇ m ⁇ 1 ⁇ K ⁇ 1. It is.
- Examples 1-2, Comparative Examples 1-5 A photocurable acrylic heat conductive composition was prepared by uniformly mixing the components shown in Table 1 using a satellite stirrer (Sinky Corp.). Next, this photocurable acrylic heat conductive composition was formed into a sheet having a thickness of 1000 ⁇ m from a bar coater. Acrylic thermal conductivity is obtained by irradiating both sides of the sheet simultaneously for 5 minutes with an irradiation intensity of 1 mW / cm 2 from an ultraviolet lamp having a maximum intensity at a wavelength of 300 to 400 nm. A sheet was produced.
- the compression rate before aging (initial compression rate) was measured.
- the heat conductive sheets prepared in each example and each comparative example were cut into a predetermined size (13.0 mm ⁇ 9.5 mm ⁇ 1000 ⁇ m (thickness)), and a load of 98.135 kPa was applied.
- the thickness after stabilization (initial compression thickness [ ⁇ m]) was measured, and the initial compression rate (%) was determined according to the following equation (1).
- the compression retention rate (%) was determined according to the following equation (2) by measuring the compression rate after aging in the same manner as the compression rate before aging (initial compression rate).
- the compression retention after aging at 120 ° C. and after aging at 150 ° C. is practically 65% or more. Moreover, it is desirable not to color after aging.
- the acrylic thermal conductive sheets obtained in Examples 1 and 2 have a compression retention rate of over 65% after aging for 100 hours at 125 ° C. and 150 ° C., respectively. It was. Coloring after aging was not observed.
- the primary antioxidant, the secondary antioxidant and the thermal degradation inhibitor were used, but the content of the thermal degradation inhibitor was excessive. Therefore, photopolymerization did not proceed sufficiently in the first place, and curing was insufficient. Further, after aging at 150 ° C. for 100 hours, the compression retention rate was significantly lower than 65%. Moreover, coloring was observed.
- the photocurable acrylic heat conductive composition of the present invention suitable for an acrylic heat conductive sheet is composed of a (meth) acrylic acid ester monomer, a heat conductive filler, a photo radical polymerization initiator, and a primary antioxidant. And a secondary antioxidant and a polymer radical scavenging thermal degradation inhibitor in a specific ratio. For this reason, the photopolymerization reaction due to ultraviolet irradiation is not significantly hindered, and the acrylic thermal conductive sheet after photopolymerization contains a thermal degradation inhibitor that retains the thermal degradation prevention effect. ing. Therefore, the photocurable acrylic heat conductive composition of the present invention is useful for the production of an acrylic heat conductive sheet having resistance to oxidation deterioration and heat deterioration.
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Abstract
Description
該光硬化性アクリル系熱伝導組成物として、(メタ)アクリル酸エステルモノマーと、(メタ)アクリル酸エステルモノマー100質量部に対し、熱伝導性フィラ300~2000質量部と、光ラジカル重合開始剤0.5~7.0質量部と、一次酸化防止剤0.5~4.0質量部と、二次酸化防止剤0.5~8.0質量部と、熱劣化防止剤0.1~4.0質量部とを含有するものを使用することを特徴とする製造方法を提供する。
本発明は、アクリル系熱伝導性シート用に適した光硬化性アクリル系熱伝導組成物である。この光硬化性アクリル系熱伝導組成物は、(メタ)アクリル酸エステルモノマーと、熱伝導性フィラと、光ラジカル重合開始剤と、一次酸化防止剤と、二次酸化防止剤と、熱劣化防止剤とを、特定割合で含有する。
(メタ)アクリル酸エステルモノマーとしては、公知の単官能(メタ)アクリレート(ここで、(メタ)アクリレートにはアクリレートとメタクリレートとが包含される)、二官能以上の多官能(メタ)アクリレートを使用することができる。本発明においては、接着剤を熱硬化性とするために、アクリル系モノマーの少なくとも一部に多官能(メタ)アクリレートを使用することが好ましい。
熱劣化防止剤は、光硬化性アクリル系熱伝導組成物の熱と酸素による熱劣化を防止するものである。熱劣化防止剤は、通常、熱と酸素との作用により生じたポリマーラジカルを捕捉し、安定なラジカル化合物として保持するものである。
一次酸化防止剤は、パーオキシラジカルを捕捉して樹脂の酸化劣化を防止するためのものであり、従来公知の一次酸化防止剤を適用することができ、好ましくはフェノール系酸化防止剤を使用することができる。フェノール系酸化防止剤としては、ヘキサメチレンビス〔(3,5-ジ-tert-ブチル-4-ヒドロキシフェニル)プロピオン酸アミド〕、4,4′-チオビス(6-tert-ブチル-m-クレゾール)、2,2′-メチレンビス(4-メチル-6-tert-ブチルフェノール)、2,2′-メチレンビス(4-エチル-6-tert-ブチルフェノール)、ビス〔3,3-ビス(4-ヒドロキシ-3-tert-ブチルフェニル)ブチリックアシッド〕グリコールエステル、2,2′-エチリデンビス(4,6-ジ-tert-ブチルフェノール)、2,2′-エチリデンビス(4-sec-ブチル-6-tert-ブチルフェノール)、1,1,3-トリス(2-メチル-4-ヒドロキシ-5-tert-ブチルフェニル)ブタン、ビス〔2-tert-ブチル-4-メチル-6-(2-ヒドロキシ-3-tert-ブチル-5-メチルベンジル)フェニル〕テレフタレート、1,3,5-トリス(3,5-ジ-tert-ブチル-4-ヒドロキシベンジル)-2,4,6-トリメチルベンゼン、1,3,5-トリス〔(3,5-ジ-tert-ブチル-4-ヒドロキシフェニル)プロピオニルオキシエチル〕イソシアヌレート、テトラキス〔メチレン-3-(3,5-ジ-tert-ブチル-4-ヒドロキシフェニル)プロピオネート〕メタン、2-tert-ブチル-4-メチル-6-(2-アクリロイルオキシ-3-tert-ブチル-5-メチルベンジル)フェノール、3,9-ビス〔1,1-ジメチル-2-{(3-tert-ブチル-4-ヒドロキシ-5-メチルフェニル)プロピオニルオキシ}エチル〕-2,4,8,10-テトラオキサスピロ〔5.5〕ウンデカン、トリエチレングリコールビス〔(3-tert-ブチル-4-ヒドロキシ-5-メチルフェニル)プロピオネート〕、n‐オクタデシル‐3‐(4′-ヒドロキシ-3′,5′-ジ-tert-ブチルフェニル)ブタン等が挙げられる。中でも、n-オクタデシル-3-(4′-ヒドロキシ-3′,5′-ジ-tert-ブチルフェニル)ブタンを好ましく挙げることができる。
二次酸化防止剤は、ヒドロオキサイドラジカルを分解して樹脂の酸化劣化を防止するためのものであり、従来公知の二次酸化防止剤を適用することができ、好ましくはリン系酸化防止剤を使用することができる。リン系酸化防止剤としては、トリスノニルフェニルホスファイト、トリス(2,4-ジ-tert-ブチルフェニル)ホスファイト、トリス〔2-tert-ブチル-4-(3-tert-ブチル-4-ヒドロキシ-5-メチルフェニルチオ)-5-メチルフェニル〕ホスファイト、トリデシルホスファイト、オクチルジフェニルホスファイト、ジ(デシル)モノフェニルホスファイト、ジ(トリデシル)ペンタエリスリトールジホスファイト、ジステアリルペンタエリスリトールジホスファイト、ジ (ノニルフェニル)ペンタエリスリトールジホスファイト、ビス(2,4-ジ-tert-ブチルフェニル)ペンタエリスリトールジホスファイト、ビス(2,6-ジ-tert-ブチル-4-メチルフェニル)ペンタエリスリトールジホスファイト、ビス(2,4,6-トリ-tert-ブチルフェニル)ペンタエリスリトールジホスファイト、テトラ(トリデシル)イソプロピリデンジフェノールジホスファイト、テトラ(トリデシル)-4,4’-n-ブチリデンビス(2-tert-ブチル-5-メチルフェノール)ジホスファイト、ヘキサ(トリデシル)-1,1,3-トリス(2-メチル-4-ヒドロキシ-5-tert-ブチルフェニル)ブタントリホスファイト、テトラキス(2,4-ジ-tert-ブチルフェニル)ビフェニレンジホスホナイト、9,10-ジヒドロ-9-オキサ-10-ホスファフェナンスレン-10-オキサイド、2,2′-メチレンビス(4-メチル-6-tert-ブチルフェニル)-2-エチルヘキシルホスファイト、4-[3-[(2,4,8,10-テトラ-tert-ブチルジベンゾ[d,f][1,3,2]ジオキサホスフェピン)‐6‐イルオキシ]プロピル]-2-メチル-6-tert-ブチルフェノール等を挙げることができる。中でも、4-[3-[(2,4,8,10-テトラ-tert-ブチルジベンゾ[d,f][1,3,2]ジオキサホスフェピン)‐6‐イルオキシ]プロピル]-2-メチル-6-tert-ブチルフェノールを好ましく挙げることができる。
光ラジカル重合開始剤としては、従来公知の光ラジカル重合開始剤を適用することができる。例えば、アセトフェノン系光重合開始剤として、2-ヒドロキシ-2-シクロへキシルアセトフェノン(Irgacure184、BASFジャパン(株))、α-ヒドロキシ-α,α′-ジメチルアセトフェノン(Darocure1173、BASFジャパン(株))、2,2-ジメトキシ-2-フェニルアセトフェノン(Irgacure651、BASFジャパン(株))、4-(2-ヒドロキシエトキシ)フェニル(2-ヒドロキシ-2-プロピル)ケトン(Darocure2959、BASFジャパン(株))、2-ヒドロキシ-1-[4-{4-(2-ヒドロキシ-2-メチル-プロピオニル)-ベンジル}フェニル]-2-メチル-プロパン-1-オン(Irgacure127、BASFジャパン(株))等が挙げられる。ベンジルケタール系光重合開始剤として、ベンゾフェノン、フルオレノン、ジベンゾスベロン、4-アミノベンゾフェノン、4,4′-ジアミノベンゾフェノン、4-ヒドロキシベンゾフェノン、4-クロロベンゾフェノン、4,4′-ジクロロベンゾフェノン等が挙げられる。リン系光重合開始剤として、ビス(2,4,6-トリメチルベンゾイル)-フェニルフォスフィンオキサイド(Irgacure819、BASFジャパン(株))、(2,4,6-トリメチルベンゾイル-ジフェニルフォスフィンオキサイド(DarocureTPO、BASFジャパン(株))等が挙げられる。中でも、円滑な光硬化を実現する点から、2-ヒドロキシ-2-シクロへキシルアセトフェノン、α-ヒドロキシ-α,α′-ジメチルアセトフェノン、特にビス(2,4,6-トリメチルベンゾイル)-フェニルフォスフィンオキサイドを挙げることができる。
熱伝導性フィラとしては、球状、扁平状、繊維状の従来公知の熱伝導性フィラを使用することができる。形状や大きさの異なるものを2種以上併用してもよい。
光硬化性アクリル系熱伝導組成物は、それぞれ所定の配合量で、(メタ)アクリル酸エステルモノマーと、熱伝導性フィラと、光ラジカル重合開始剤と、一次酸化防止剤と、二次酸化防止剤と、更に熱劣化防止剤と、必要により配合されるその他の添加剤とを、常法により、例えば衛星式撹拌装置((株)シンキー)により均一に混合することにより調製することができる。
本発明の光硬化性アクリル系熱伝導組成物は、シート状光硬化物とすることによりアクリル系熱伝導性シートとして使用できる。即ち、熱伝導性フィラを含有する光硬化性アクリル系熱伝導組成物を、シート状に成形し、紫外線を照射して光重合させることによりアクリル系熱伝導性シートを製造することができる。具体的には、まず、以上説明した熱伝導性フィラを含有する光硬化性アクリル系熱伝導組成物を、カレンダー法等の常法により、通常500~2000μm厚のシート状に成形する。このシートに対し、紫外線ランプから、300~400nmに最大強度を持つ紫外線を、1mW/cm2の照射強度で、シートの両面それぞれに同時に5分間照射して光重合硬化させることによりアクリル系熱伝導性シートを製造することができる。
実施例1~2、比較例1~5
表1の配合の成分を、衛星式撹拌装置((株)シンキー)を用いて均一に混合することにより光硬化性アクリル系熱伝導組成物を調製した。次に、この光硬化性アクリル系熱伝導組成物を、バーコーターより1000μm厚のシートに成形した。このシートに対し、300~400nmの波長に最大強度を持つ紫外線ランプから、1mW/cm2の照射強度で、シートの両面それぞれに同時に5分間照射して光重合硬化させることによりアクリル系熱伝導性シートを製造した。
得られたアクリル系熱伝導性シートの柔軟性が、熱と酸素とによる熱劣化により失われる程度を、125℃又は150℃、100時間のエージング処理後の圧縮維持率を測定することにより評価した。併せて、エージング処理後の着色の度合いを目視観察した。得られた結果を表1に示す。
Claims (12)
- アクリル系熱伝導性シート用に適した光硬化性アクリル系熱伝導組成物であって、(メタ)アクリル酸エステルモノマーと、(メタ)アクリル酸エステルモノマー100質量部に対し、熱伝導性フィラ300~2000質量部と、光ラジカル重合開始剤0.5~7.0質量部と、一次酸化防止剤0.5~4.0質量部と、二次酸化防止剤0.5~8.0質量部と、熱劣化防止剤0.1~4.0質量部とを含有することを特徴とする光硬化性アクリル系熱伝導組成物。
- 熱劣化防止剤が、1,1‐ビス(2‐ヒドロキシ‐3‐tert‐アルキル-5-アルキルフェニル)アルカンのアクリル酸モノエステルである請求項1記載の光硬化性アクリル系熱伝導組成物。
- 熱劣化防止剤が、1,1‐ビス(2‐ヒドロキシ‐3,5‐ジ‐tert‐アルキルフェニル)アルカンのアクリル酸モノエステルである請求項1記載の光硬化性アクリル系熱伝導組成物。
- 熱劣化防止剤が、1,1‐ビス(2‐ヒドロキシ‐3,5‐ジ‐tert‐ペンチルフェニル)エタンのアクリル酸モノエステルである請求項1記載の光硬化性アクリル系熱伝導組成物。
- 一次酸化防止剤がフェノール系酸化防止剤であり、二次酸化防止剤がリン系酸化防止剤である請求項1~4のいずれかに記載の光硬化性アクリル系熱伝導組成物。
- 一次酸化防止剤がn‐オクタデシル‐3‐(4′‐ヒドロキシ‐3′,5′‐ジ‐tert‐ブチルフェニル)ブタンであり、二次酸化防止剤が、4‐[3‐[(2,4,8,10‐テトラ‐tert‐ブチルジベンゾ[d,f][1,3,2]ジオキサホスフェピン)‐6‐イルオキシ]プロピル]‐2‐メチル‐6‐tert‐ブチルフェノールである請求項1~5のいずれかに記載の光硬化性アクリル系熱伝導組成物。
- 一次酸化防止剤100質量部に対する、二次酸化防止剤の配合量が50~270質量部であり、熱劣化防止剤の配合量が10~130質量部である請求項1~6のいずれかに記載の光硬化性アクリル系熱伝導組成物。
- (メタ)アクリル酸エステルモノマーが、2‐エチルヘキシルアクリレート又はラウリルアクリレートである請求項1~7のいずれかに記載の光硬化性アクリル系熱伝導組成物。
- 光ラジカル重合開始剤が、ビス(2,4,6‐トリメチルベンゾイル)‐フェニルフォスフィンオキサイドである請求項1~8のいずれかに記載の光硬化性アクリル系熱伝導組成物。
- 熱伝導性フィラが、水酸化アルミニウム、アルミナ又は酸化マグネシウムである請求項1~9のいずれかに記載の光硬化性アクリル系熱伝導組成物。
- 請求項1~10のいずれかに記載の光硬化性アクリル系熱伝導組成物のシート状光硬化物からなることを特徴とするアクリル系熱伝導性シート。
- 熱伝導性フィラを含有する光硬化性アクリル系熱伝導組成物を、シート状に成形し、紫外線を照射して光重合させることによりアクリル系熱伝導性シートを製造する方法において、
該光硬化性アクリル系熱伝導組成物として、(メタ)アクリル酸エステルモノマーと、(メタ)アクリル酸エステルモノマー100質量部に対し、熱伝導性フィラ300~2000質量部と、光ラジカル重合開始剤0.5~7.0質量部と、一次酸化防止剤0.5~4.0質量部と、二次酸化防止剤0.5~8.0質量部と、熱劣化防止剤0.1~4.0質量部とを含有するものを使用することを特徴とする製造方法。
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004002527A (ja) * | 2002-05-31 | 2004-01-08 | Dainippon Ink & Chem Inc | 難燃性熱伝導電気絶縁粘着体 |
| JP2004027039A (ja) * | 2002-06-26 | 2004-01-29 | Dainippon Ink & Chem Inc | 難燃性熱伝導電気絶縁粘着体 |
| JP2004090516A (ja) | 2002-09-02 | 2004-03-25 | Shin Etsu Chem Co Ltd | 熱伝導性複合シートおよびその製造方法 |
| JP2004315663A (ja) | 2003-04-16 | 2004-11-11 | Three M Innovative Properties Co | アクリル系熱伝導性組成物及び熱伝導性シート |
| JP2006160830A (ja) * | 2004-12-03 | 2006-06-22 | Three M Innovative Properties Co | 熱伝導性シート及びその製造方法 |
| JP2012233099A (ja) * | 2011-05-02 | 2012-11-29 | Three M Innovative Properties Co | 熱伝導性シート |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0421932A1 (de) * | 1989-10-06 | 1991-04-10 | Ciba-Geigy Ag | Stabilisiertes organisches Material |
| EP1640391B1 (en) * | 2003-06-30 | 2012-12-19 | Kaneka Corporation | Curing composition |
| JP4652916B2 (ja) * | 2004-09-06 | 2011-03-16 | 株式会社日本触媒 | 放熱材用樹脂組成物 |
| JP5101862B2 (ja) * | 2006-10-31 | 2012-12-19 | スリーエム イノベイティブ プロパティズ カンパニー | シート形成性単量体組成物、熱伝導性シート及びその製法 |
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- 2014-04-24 KR KR1020157032837A patent/KR102184853B1/ko active Active
- 2014-04-24 WO PCT/JP2014/061545 patent/WO2014188841A1/ja not_active Ceased
- 2014-04-24 US US14/773,816 patent/US9416254B2/en active Active
- 2014-04-24 EP EP14801178.6A patent/EP3000831B1/en active Active
- 2014-05-13 TW TW103116800A patent/TWI643945B/zh active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004002527A (ja) * | 2002-05-31 | 2004-01-08 | Dainippon Ink & Chem Inc | 難燃性熱伝導電気絶縁粘着体 |
| JP2004027039A (ja) * | 2002-06-26 | 2004-01-29 | Dainippon Ink & Chem Inc | 難燃性熱伝導電気絶縁粘着体 |
| JP2004090516A (ja) | 2002-09-02 | 2004-03-25 | Shin Etsu Chem Co Ltd | 熱伝導性複合シートおよびその製造方法 |
| JP2004315663A (ja) | 2003-04-16 | 2004-11-11 | Three M Innovative Properties Co | アクリル系熱伝導性組成物及び熱伝導性シート |
| JP2006160830A (ja) * | 2004-12-03 | 2006-06-22 | Three M Innovative Properties Co | 熱伝導性シート及びその製造方法 |
| JP2012233099A (ja) * | 2011-05-02 | 2012-11-29 | Three M Innovative Properties Co | 熱伝導性シート |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3000831A1 (en) | 2016-03-30 |
| JP6212950B2 (ja) | 2017-10-18 |
| TWI643945B (zh) | 2018-12-11 |
| JP2014227460A (ja) | 2014-12-08 |
| CN105209499A (zh) | 2015-12-30 |
| CN105209499B (zh) | 2017-12-05 |
| EP3000831A4 (en) | 2017-01-25 |
| ES2697776T3 (es) | 2019-01-28 |
| KR20160010455A (ko) | 2016-01-27 |
| US9416254B2 (en) | 2016-08-16 |
| KR102184853B1 (ko) | 2020-12-01 |
| TW201510205A (zh) | 2015-03-16 |
| US20160024279A1 (en) | 2016-01-28 |
| EP3000831B1 (en) | 2018-11-07 |
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