WO2015186322A1 - 硬化性シリコーン組成物、および光半導体装置 - Google Patents
硬化性シリコーン組成物、および光半導体装置 Download PDFInfo
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- WO2015186322A1 WO2015186322A1 PCT/JP2015/002716 JP2015002716W WO2015186322A1 WO 2015186322 A1 WO2015186322 A1 WO 2015186322A1 JP 2015002716 W JP2015002716 W JP 2015002716W WO 2015186322 A1 WO2015186322 A1 WO 2015186322A1
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- 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
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- 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
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- 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
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- H10H20/80—Constructional details
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- 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
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- 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
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- 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
- C08G77/04—Polysiloxanes
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- 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
- C08G77/70—Siloxanes defined by use of the MDTQ nomenclature
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- 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
- C08G77/80—Siloxanes having aromatic substituents, e.g. phenyl side groups
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- H10W72/884—
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- H10W90/736—
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Definitions
- the present invention relates to a curable silicone composition and an optical semiconductor device using the composition.
- a curable silicone composition that is cured by a hydrosilylation reaction is used as a protective agent or a coating agent for an optical semiconductor element in an optical semiconductor device such as a photocoupler, a light emitting diode, or a solid-state imaging element.
- the cured product of such a composition requires that the element emits light or receives light, so that it does not absorb or scatter light, and the element, lead frame, substrate, and frame Adhesion to a material or the like is also required.
- Patent Document 1 discloses an average unit formula: [(CH 2 ⁇ CH) (CH 3 ) 2 SiO 1/2 ] 25 (C 6 H 5 SiO 3/2 ) 75 [Ep (CH 3 ) SiO 2/2 ] 40
- the curable silicone composition containing the organosilicon compound represented by this is described, and patent document 2 describes an average unit formula: [(CH 3 ) (C 6 H 5 ) SiO 2/2 ] 0.15 [(CH 3 ) (CH 2 ⁇ CH) SiO 2/2 ] 0.24 (EpSiO 3/2 ) 0.19 (CH 3 O 1/2 ) 0.42
- the curable silicone composition containing the organosilicon compound represented by this is described in patent document 3, and average unit formula: (C 6 H 5 SiO 3/2 ) 0.50 (EpSiO 3/2 ) 0.25 [(CH 2 ⁇ CH) (CH 3 ) 2 SiO 1/2 ] 0.25
- the curable silicone composition containing the organosilicon compound represented by this is described, and patent document 4 has an average
- curable silicone compositions have a problem that a cured product obtained by curing has low light transmittance, and adhesion of the cured product to a substrate is poor.
- An object of the present invention is to provide a curable silicone composition that has a high adhesiveness to a substrate and forms a transparent cured product, and an optical semiconductor device that uses this composition and has excellent reliability.
- the curable silicone composition of the present invention is (A) 100 parts by mass of an organopolysiloxane having at least two alkenyl groups in one molecule, (B) Organohydrogenpolysiloxane having at least two silicon-bonded hydrogen atoms in one molecule ⁇ 0.1 to 10 with respect to 1 mol of the total of alkenyl groups contained in components (A) and (C) Amount providing 0.0 mole of silicon-bonded hydrogen atoms ⁇ , (C) Average unit formula: (R 1 R 2 SiO 2/2 ) a (R 2 R 3 SiO 2/2 ) b (R 4 SiO 3/2 ) c (Wherein R 1 is an alkenyl group having 2 to 12 carbon atoms, and R 2 is the same or different, an alkyl group having 1 to 12 carbon atoms, an aryl group having 6 to 20 carbon atoms, or 7 to 20 carbon atoms) R 3 is an epoxy group-containing organic group, R 4 is an aryl group having 6 to 20 carbon
- the optical semiconductor device of the present invention is characterized in that an optical semiconductor element is sealed with a cured product of the curable silicone composition described above.
- the curable silicone composition of the present invention is characterized in that it has a high adhesiveness to a substrate and forms a transparent cured product, and the optical semiconductor device of the present invention is a cured product of the above composition as an optical semiconductor element. Therefore, the reliability is excellent.
- Component (A) is an organopolysiloxane having at least two alkenyl groups in one molecule, which is the main component of the present composition.
- alkenyl group in the component (A) the vinyl group, allyl group, butenyl group, pentenyl group, hexenyl group, heptenyl group, octenyl group, nonenyl group, decenyl group, undecenyl group, dodecenyl group, etc. Twelve alkenyl groups are exemplified, and a vinyl group is preferable.
- Examples of the group bonded to the silicon atom other than the alkenyl group in the component (A) include a methyl group, an ethyl group, a propyl group, an isopropyl group, a butyl group, an isobutyl group, a tert-butyl group, a pentyl group, a neopentyl group, Alkyl groups having 1 to 12 carbon atoms such as hexyl group, cyclohexyl group, heptyl group, octyl group, nonyl group, decyl group, undecyl group and dodecyl group; carbon such as phenyl group, tolyl group, xylyl group and naphthyl group An aryl group having 6 to 20 carbon atoms; an aralkyl group having 7 to 20 carbon atoms such as a benzyl group, a phenethyl group, and a phenylpropy
- the molecular structure of the component (A) is not particularly limited, and examples thereof include linear, partially branched linear, branched, cyclic, and three-dimensional network structures.
- the component (A) may be one kind of organopolysiloxane having these molecular structures, or a mixture of two or more kinds of organopolysiloxanes having these molecular structures.
- the property of the component (A) at 25 ° C. is not particularly limited, and is, for example, liquid or solid.
- the viscosity at 25 ° C. is preferably in the range of 1 to 1,000,000 mPa ⁇ s, particularly in the range of 10 to 1,000,000 mPa ⁇ s. It is preferable to be within. This viscosity can be determined, for example, by measurement using a B-type viscometer according to JIS K 7117-1.
- Such component (A) has an average unit formula: (R 1 R 5 2 SiO 1/2 ) d (R 5 2 SiO 2/2 ) e (R 4 SiO 3/2 ) f And an organopolysiloxane resin having at least two alkenyl groups in one molecule.
- R 1 is an alkenyl group having 2 to 12 carbon atoms. Specific examples include vinyl group, allyl group, butenyl group, pentenyl group, hexenyl group, heptenyl group, octenyl group, nonenyl group, decenyl group, undecenyl group, and dodecenyl group.
- R 4 is an aryl group having 6 to 20 carbon atoms or an aralkyl group having 7 to 20 carbon atoms.
- aryl groups such as phenyl group, tolyl group, xylyl group, naphthyl group, anthracenyl group, phenanthryl group, pyrenyl group; naphthylethyl group, naphthylpropyl group, anthracenylethyl group, phenanthrylethyl group, Aralkyl groups such as pyrenylethyl groups; and a part or all of hydrogen atoms of these aryl groups or aralkyl groups; alkyl groups such as methyl groups and ethyl groups; alkoxy groups such as methoxy groups and ethoxy groups; chlorine atoms and bromine atoms And a group substituted with a halogen atom.
- R 5 is the same or different and is an alkyl group having 1 to 12 carbon atoms, an alkenyl group having 2 to 12 carbon atoms, an aryl group having 6 to 20 carbon atoms, or an aralkyl group having 7 to 20 carbon atoms.
- alkyl groups such as methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group, heptyl group, octyl group, nonyl group, decyl group, undecyl group, dodecyl group; vinyl group, allyl group , Alkenyl groups such as butenyl group, pentenyl group, hexenyl group, heptenyl group, octenyl group, nonenyl group, decenyl group, undecenyl group, dodecenyl group; phenyl group, tolyl group, xylyl group, naphthyl group, anthracenyl group, phenanthryl group, Aryl groups such as pyrenyl groups; aralkyl groups such as naphthylethyl groups, naphthylpropyl groups, anthracenylethyl groups, phen
- the component (A) preferably contains a linear organopolysiloxane having at least two silicon atom-bonded alkenyl groups and at least one silicon atom-bonded aryl group in one molecule.
- Such component (A) examples include the following organopolysiloxanes.
- Me, Vi, and Ph represent a methyl group, a vinyl group, and a phenyl group, respectively, and x and x ′ are integers of 1 to 100, respectively.
- Component (B) is a cross-linking agent of the present composition and is an organopolysiloxane having at least two silicon-bonded hydrogen atoms in one molecule.
- Examples of the molecular structure of the component (B) include linear, partially branched linear, branched, cyclic and dendritic, preferably linear and partially branched linear. , Dendritic.
- the bonding position of the silicon atom-bonded hydrogen atom in the component (B) is not limited, and examples thereof include the end of the molecular chain and / or the side chain.
- silicon atom bond groups other than hydrogen atoms include alkyl groups such as methyl, ethyl and propyl groups; aryl groups such as phenyl, tolyl and xylyl groups; benzyl and phenethyl Aralkyl groups such as a group; halogenated alkyl groups such as 3-chloropropyl group and 3,3,3-trifluoropropyl group are exemplified, and a methyl group and a phenyl group are preferable.
- the viscosity of the component (B) is not limited, but the viscosity at 25 ° C. is preferably in the range of 1 to 10,000 mPa ⁇ s, particularly in the range of 1 to 1,000 mPa ⁇ s. preferable.
- component (B) examples include 1,1,3,3-tetramethyldisiloxane, 1,3,5,7-tetramethylcyclotetrasiloxane, tris (dimethylhydrogensiloxy) methylsilane, tris (dimethylhydro Jensiloxy) phenylsilane, 1-glycidoxypropyl-1,3,5,7-tetramethylcyclotetrasiloxane, 1,5-glycidoxypropyl-1,3,5,7-tetramethylcyclotetrasiloxane, 1-glycidoxypropyl-5-trimethoxysilylethyl-1,3,5,7-tetramethylcyclotetrasiloxane, molecular chain both ends trimethylsiloxy group blocked methylhydrogenpolysiloxane, molecular chain both ends trimethylsiloxy group blocked Dimethylsiloxane / methylhydrogensiloxane copolymer, both ends of molecular chain Drogensiloxy group-b
- Me, Vi, Ph, and Naph respectively represent a methyl group, a vinyl group, a phenyl group, and a naphthyl group
- y and y ′ are each an integer of 1 to 100
- g, h, i, and j are Each is a positive number, where the sum of g, h, i, and j is 1.
- the content of the component (B) is such that the silicon-bonded hydrogen atoms in this component are 0.1 to 10.0 mol with respect to 1 mol in total of the alkenyl groups contained in the components (A) and (C).
- the amount is within the range, preferably the amount within the range of 0.1 to 5 moles, and more preferably the amount within the range of 0.5 to 2 moles.
- the content of the component (B) is not less than the lower limit of the above range, the resulting composition is sufficiently cured.
- the content is not more than the upper limit of the above range, the heat resistance of the resulting cured product is improved. As a result, the reliability of the optical semiconductor device manufactured using this composition is improved.
- Component (C) is an adhesion promoter for imparting adhesiveness to the composition, and has an average unit formula: (R 1 R 2 SiO 2/2 ) a (R 2 R 3 SiO 2/2 ) b (R 4 SiO 3/2 ) c It is represented by
- R 1 is an alkenyl group having 2 to 12 carbon atoms.
- Specific examples include a vinyl group, an allyl group, a butenyl group, a pentenyl group, a hexenyl group, a heptenyl group, an octenyl group, a nonenyl group, a decenyl group, an undecenyl group, and a dodecenyl group, and a vinyl group is preferable.
- R 2 is the same or different and is an alkyl group having 1 to 12 carbon atoms, an aryl group having 6 to 20 carbon atoms, or an aralkyl group having 7 to 20 carbon atoms.
- alkyl groups such as methyl group, ethyl group, propyl group, butyl group, pentyl group, hexyl group, heptyl group, octyl group, nonyl group, decyl group, undecyl group, dodecyl group; vinyl group, allyl group , Alkenyl groups such as butenyl group, pentenyl group, hexenyl group, heptenyl group, octenyl group, nonenyl group, decenyl group, undecenyl group, dodecenyl group; phenyl group, tolyl group, xylyl group, naphthyl group, anthracenyl group, phen
- R 3 is an epoxy group-containing organic group.
- glycidoxyalkyl groups such as 2-glycidoxyethyl group, 3-glycidoxypropyl group, 4-glycidoxybutyl group; 2- (3,4-epoxycyclohexyl) -ethyl group, Epoxycycloalkylalkyl groups such as 3- (3,4-epoxycyclohexyl) -propyl group; and epoxyalkyl groups such as 3,4-epoxybutyl group and 7,8-epoxyoctyl group are exemplified, preferably glycid A xyalkyl group, particularly preferably a 3-glycidoxypropyl group.
- R 4 is an aryl group having 6 to 20 carbon atoms or an aralkyl group having 7 to 20 carbon atoms, and examples thereof include the same groups as R 2 described above.
- the resulting cured product has good adhesiveness, and if it is not more than the upper limit of the above range, the resulting composition has good curability. Because there is. Moreover, the adhesiveness of the hardened
- the component (C) is represented by the above average unit formula, but within a range not impairing the object of the present invention, a siloxane unit represented by the formula: R 5 3 SiO 1/2 , and the formula: R 6 SiO 3 / It may have a siloxane unit represented by 2 or a siloxane unit represented by the formula: SiO 4/2 .
- R 5 is the same or different and is an alkyl group having 1 to 12 carbon atoms, an aryl group having 6 to 20 carbon atoms, or an aralkyl group having 7 to 20 carbon atoms.
- Examples of the alkyl group, aryl group, and aralkyl group for R 5 include the same alkyl group, aryl group, and aralkyl group as those described above for R 2 .
- R 6 is an alkyl group having 1 to 12 carbon atoms or an alkenyl group having 2 to 12 carbon atoms. Examples of the alkyl group for R 6 include the same alkyl groups as those described above for R 2 . Examples of the alkenyl group for R 6 include the same alkenyl groups as those described above for R 1 .
- the component (C) may have a silicon atom-bonded alkoxy group such as a methoxy group, an ethoxy group, or a propoxy group, or a silicon atom-bonded hydroxyl group as long as the object of the present invention is not impaired.
- the method for preparing such component (C) is not particularly limited, and for example, general formula (I-1): R 1 R 2 SiX 2 Or a silane compound represented by the general formula (I-2): (R 1 R 2 SiO) m A cyclic silicone compound represented by general formula (II): R 2 R 3 Six 2 And a silane compound represented by the general formula (III): R 4 Six 3
- the method of hydrolyzing and condensing the silane compound represented by these in presence of an acid or an alkali is mentioned.
- the silane compound represented by the general formula (I-1) is a raw material for introducing a siloxane unit represented by the formula: R 1 R 2 SiO 2/2 into the component (C).
- R 1 is an alkenyl group having 2 to 12 carbon atoms, exemplified by the same groups as described above, and preferably a vinyl group.
- R 2 is the same or different and is an alkyl group having 1 to 12 carbon atoms, an aryl group having 6 to 20 carbon atoms, or an aralkyl group having 7 to 20 carbon atoms, and examples thereof include the same groups as described above, preferably It is a methyl group.
- X is the same or different and is an alkoxy group, an acyloxy group, a halogen atom, or a hydroxyl group.
- alkoxy group for X include a methoxy group, an ethoxy group, and a propoxy group.
- An example of the acyloxy group for X is an acetoxy group.
- the halogen atom for X include a chlorine atom and a bromine atom.
- silane compound examples include alkoxysilanes such as vinylmethyldimethoxysilane, phenylvinyldimethoxysilane, vinylmethyldiethoxysilane, and phenylvinyldiethoxysilane; acyloxy such as vinylmethyldiacetoxysilane and phenylvinyldiacetoxysilane.
- alkoxysilanes such as vinylmethyldimethoxysilane, phenylvinyldimethoxysilane, vinylmethyldiethoxysilane, and phenylvinyldiethoxysilane
- acyloxy such as vinylmethyldiacetoxysilane and phenylvinyldiacetoxysilane.
- examples include silanes; halosilanes such as vinylmethyldichlorosilane and phenylvinyldichlorosilane; and hydroxysilanes such as vinylmethyldihydroxysilane.
- the cyclic silicone compound represented by the general formula (I-2) is a raw material for introducing a siloxane unit represented by the formula: R 1 R 2 SiO 2/2 into the component (C).
- R 1 is an alkenyl group having 2 to 12 carbon atoms, exemplified by the same groups as described above, and preferably a vinyl group.
- R 2 is an alkyl group having 1 to 12 carbon atoms, an aryl group having 6 to 20 carbon atoms, or an aralkyl group having 7 to 20 carbon atoms, and examples thereof include the same groups as described above, preferably a methyl group It is.
- cyclic silicone compounds examples include vinylmethylcyclosiloxane and phenylvinylcyclosiloxane.
- the silane compound represented by the general formula (II) is a raw material for introducing a siloxane unit represented by the formula: R 2 R 3 SiO 2/2 into the component (C).
- R 2 is an alkyl group having 1 to 12 carbon atoms, an aryl group having 6 to 20 carbon atoms, or an aralkyl group having 7 to 20 carbon atoms, and examples thereof are the same groups as described above, preferably a vinyl group It is.
- R 3 is an epoxy group-containing organic group, and examples thereof include the same groups as described above.
- silane compounds include 3-glycidoxypropylmethyldimethoxysilane, 4-glycidoxybutylmethyldimethoxysilane, 2- (3,4-epoxycyclohexyl) -ethyldimethoxysilane, 3- (3,4 -Epoxycyclohexyl) -propyldimethoxysilane, 3-glycidoxypropylmethyldiethoxysilane, 4-glycidoxybutylmethyldiethoxysilane, 2- (3,4-epoxycyclohexyl) -ethyldiethoxysilane, 3- ( 3,4-epoxycyclohexyl) -propyldiethoxysilane is exemplified.
- the silane compound represented by the general formula (III) is a raw material for introducing a siloxane unit represented by the formula: R 4 SiO 3/2 into the component (C).
- R 4 is an aryl group having 6 to 20 carbon atoms or an aralkyl group having 7 to 20 carbon atoms, and examples thereof are the same as those described above, and is preferably a phenyl group.
- silane compounds include phenyltrimethoxysilane, naphthyltrimethoxysilane, anthracenyltrimethoxysilane, phenanthryltrimethoxysilane, pyrenyltrimethoxysilane, phenyltriethoxysilane, naphthyltriethoxysilane, anthracenyltrisilane.
- Alkoxysilanes such as ethoxysilane, phenanthryltriethoxysilane, pyrenyltriethoxysilane; phenyltriacetoxysilane, naphthyltriacetoxysilane, anthracenyltriacetoxysilane, phenanthryltriacetoxysilane, pyrenyltriacetoxysilane, etc.
- the silane compound (I-1) or the cyclic silicone compound (I-2), the silane compound (II), and the silane compound (III) are subjected to a hydrolysis / condensation reaction in the presence of an acid or an alkali. It is characterized by that.
- Examples of the acid include hydrochloric acid, acetic acid, formic acid, nitric acid, oxalic acid, sulfuric acid, phosphoric acid, polyphosphoric acid, polyvalent carboxylic acid, trifluoromethanesulfonic acid, and ion exchange resin.
- Examples of the alkali include inorganic alkalis such as potassium hydroxide and sodium hydroxide; triethylamine, diethylamine, monoethanolamine, diethanolamine, triethanolamine, aqueous ammonia, tetramethylammonium hydroxide, alkoxysilane having an amino group, Examples include organic base compounds such as aminopropyltrimethoxysilane.
- an organic solvent can be used.
- the organic solvent that can be used include ethers, ketones, acetates, aromatic or aliphatic hydrocarbons, ⁇ -butyrolactone, and mixtures of two or more thereof.
- Preferred organic solvents include propylene glycol monomethyl ether, propylene glycol monomethyl ether acetate, propylene glycol monoethyl ether, propylene glycol monopropyl ether, propylene glycol monobutyl ether, propylene glycol mono-t-butyl ether, ⁇ -butyrolactone, toluene and xylene. Illustrated.
- the content of component (C) is in the range of 0.1 to 50 parts by mass, preferably in the range of 0.1 to 20 parts by mass, with respect to 100 parts by mass of component (A).
- the content of the component (C) is not less than the lower limit of the above range, sufficient adhesiveness can be imparted to the resulting composition.
- the content is not more than the lower limit of the above range, the resulting composition can be cured. This is because it is difficult to inhibit the properties, and coloring of the obtained cured product can be suppressed.
- the component (D) is a hydrosilylation reaction catalyst for promoting the curing of the composition, and examples thereof include a platinum-based catalyst, a rhodium-based catalyst, and a palladium-based catalyst.
- the component (D) is preferably a platinum-based catalyst because the curing of the composition can be remarkably accelerated.
- the platinum-based catalyst include platinum fine powder, chloroplatinic acid, an alcohol solution of chloroplatinic acid, a platinum-alkenylsiloxane complex, a platinum-olefin complex, and a platinum-carbonyl complex, preferably a platinum-alkenylsiloxane complex. is there.
- the content of the component (D) is an amount effective for promoting the curing of the composition. Specifically, since the content of the component (D) can sufficiently accelerate the curing reaction of the composition, the catalyst metal in the component (D) is 0.01 by mass unit with respect to the composition.
- the amount is preferably in the range of ⁇ 500 ppm, more preferably in the range of 0.01 to 100 ppm, and particularly in the range of 0.01 to 50 ppm. It is preferable.
- the present composition includes 2-methyl-3-butyn-2-ol, 3,5-dimethyl-1-hexyn-3-ol, 2-phenyl-3-butyne-2- Alkyne alcohols such as all; Enyne compounds such as 3-methyl-3-penten-1-yne and 3,5-dimethyl-3-hexen-1-yne; 1,3,5,7-tetramethyl-1,3 , 5,7-tetravinylcyclotetrasiloxane, 1,3,5,7-tetramethyl-1,3,5,7-tetrahexenylcyclotetrasiloxane, and a reaction inhibitor such as benzotriazole.
- the content of the reaction inhibitor is not limited, but is within the range of 0.0001 to 5 parts by mass with respect to 100 parts by mass in total of the components (A) to (C). preferable.
- the present composition may contain an adhesion promoter other than the component (C) in order to improve the adhesion of the cured product to the substrate that is in contact with the curing process.
- an adhesion promoter an organosilicon compound having at least one alkoxy group bonded to a silicon atom in one molecule is preferable.
- the alkoxy group include a methoxy group, an ethoxy group, a propoxy group, a butoxy group, and a methoxyethoxy group, and a methoxy group is particularly preferable.
- the group other than the alkoxy group bonded to the silicon atom of the organosilicon compound includes a substituted or unsubstituted monovalent hydrocarbon group such as an alkyl group, an alkenyl group, an aryl group, an aralkyl group, and a halogenated alkyl group; 3 Glycidoxyalkyl groups such as glycidoxypropyl group and 4-glycidoxybutyl group; epoxies such as 2- (3,4-epoxycyclohexyl) ethyl group and 3- (3,4-epoxycyclohexyl) propyl group Examples include cyclohexylalkyl groups; epoxyalkyl groups such as 3,4-epoxybutyl groups and 7,8-epoxyoctyl groups; acrylic group-containing monovalent organic groups such as 3-methacryloxypropyl groups; and hydrogen atoms.
- a substituted or unsubstituted monovalent hydrocarbon group such as an al
- This organosilicon compound preferably has a silicon atom-bonded alkenyl group or a silicon atom-bonded hydrogen atom. Moreover, since it can provide favorable adhesiveness to various types of substrates, the organosilicon compound preferably has at least one epoxy group-containing monovalent organic group in one molecule.
- organosilicon compounds include organosilane compounds, organosiloxane oligomers, and alkyl silicates. Examples of the molecular structure of the organosiloxane oligomer or alkyl silicate include linear, partially branched linear, branched, cyclic, and network, particularly linear, branched, and network. Preferably there is.
- organosilicon compounds examples include silane compounds such as 3-glycidoxypropyltrimethoxysilane, 2- (3,4-epoxycyclohexyl) ethyltrimethoxysilane, and 3-methacryloxypropyltrimethoxysilane; A siloxane compound having at least one silicon atom-bonded alkenyl group or silicon atom-bonded hydrogen atom and silicon atom-bonded alkoxy group, and a silane compound or siloxane compound having at least one silicon atom-bonded alkoxy group and silicon in one molecule.
- silane compounds such as 3-glycidoxypropyltrimethoxysilane, 2- (3,4-epoxycyclohexyl) ethyltrimethoxysilane, and 3-methacryloxypropyltrimethoxysilane
- a siloxane compound having at least one silicon atom-bonded alkenyl group or silicon atom-bonded hydrogen atom and silicon atom-bonded alkoxy group and
- Examples thereof include a mixture of a siloxane compound having at least one atom-bonded hydroxy group and at least one silicon atom-bonded alkenyl group, methyl polysilicate, ethyl polysilicate, and epoxy group-containing ethyl polysilicate.
- the present composition contains a phosphor for converting the wavelength of light emitted from a light emitting device sealed or coated with a cured product of the present composition to obtain light of a desired wavelength. Also good.
- phosphors oxide phosphors, oxynitride phosphors, nitride phosphors, sulfide phosphors, oxysulfide phosphors widely used in light emitting diodes (LEDs). Examples thereof include yellow, red, green, and blue light emitting phosphors composed of bodies.
- oxide phosphors include yttrium, aluminum, and garnet-based YAG green-yellow light-emitting phosphors containing cerium ions, terbium, aluminum, garnet-based TAG yellow light-emitting phosphors containing cerium ions, and Examples include silicate green to yellow light emitting phosphors containing cerium and europium ions.
- the oxynitride phosphors include silicon, aluminum, oxygen, and nitrogen-based sialon-based red to green light-emitting phosphors containing europium ions.
- nitride-based phosphors examples include calcium, strontium, aluminum, silicon, and nitrogen-based casoon-based red light-emitting phosphors containing europium ions.
- sulfide-based phosphors examples include ZnS-based green coloring phosphors containing copper ions and aluminum ions.
- oxysulfide phosphors examples include Y 2 O 2 S red light-emitting phosphors containing europium ions. These phosphors may use one kind or a mixture of two or more kinds.
- the content of the phosphor is in the range of 0.1 to 70% by mass, preferably 1 to 20% by mass with respect to the total amount of the component (A) and the component (B). Within range.
- inorganic fillers such as silica, glass, alumina and zinc oxide; fine organic resin powders such as polymethacrylate resin; You may contain dye, a pigment, a flame-retarding agent, a solvent, etc.
- Fine zinc oxide powder surface-coated with an oxide of at least one element selected from the group consisting of Ti, Zr, and rare earth elements, fine zinc oxide powder surface-treated with an organosilicon compound having no alkenyl group, and At least one fine powder having an average particle diameter of 0.1 nm to 5 ⁇ m selected from the group consisting of zinc carbonate hydrate fine powders may be added.
- rare earth elements include yttrium, cerium, and europium.
- oxides on the surface of the zinc oxide fine powder Al 2 O 3 , AgO, Ag 2 O, Ag 2 O 3 , CuO, Cu 2 O, FeO, Fe 2 O 3 , Fe 3 O 4 , Sb 2 O 3 , SiO 2, SnO 2, Ti 2 O 3, TiO 2, Ti 3 O 5, ZrO 2, Y 2 O 3, CeO 2, Eu 2 O 3, and mixtures of two or more of these oxides are exemplified.
- this organosilicon compound has no alkenyl group, and examples include organosilane, organosilazane, polymethylsiloxane, organohydrogenpolysiloxane, and organosiloxane oligomer.
- organochlorosilanes such as trimethylchlorosilane, dimethylchlorosilane, and methyltrichlorosilane; methyltrimethoxysilane, methyltriethoxysilane, phenyltrimethoxysilane, ethyltrimethoxysilane, n-propyltrimethoxysilane, ⁇ - Organotrialkoxysilanes such as methacryloxypropyltrimethoxysilane; diorganodis such as dimethyldimethoxysilane, dimethyldiethoxysilane, and diphenyldimethoxysilane Lucoxysilane; triorganoalkoxysilanes such as trimethylmethoxysilane and trimethylethoxysilane; partial condensates of these organoalkoxysilanes; organosilazanes such as hexamethyldisilazane; polymethylsiloxane, organohydrogen
- the composition may further contain a triazole compound as an optional component because it can further suppress discoloration of the silver electrode or the silver plating of the substrate due to the sulfur-containing gas in the air.
- a triazole compound as an optional component because it can further suppress discoloration of the silver electrode or the silver plating of the substrate due to the sulfur-containing gas in the air.
- Such components include 1H-1,2,3-triazole, 2H-1,2,3-triazole, 1H-1,2,4-triazole, 4H-1,2,4-triazole, 2- ( 2'-hydroxy-5'-methylphenyl) benzotriazole, 1H-1,2,3-triazole, 2H-1,2,3-triazole, 1H-1,2,4-triazole, 4H-1,2, 4-triazole, benzotriazole, tolyltriazole, carboxybenzotriazole, methyl 1H-benzotriazole-5-carboxylate, 3-amino-1,2,4-triazole, 4-a
- This composition cures at room temperature or by heating, but is preferably heated to cure quickly.
- the heating temperature is preferably in the range of 50 to 200 ° C.
- the optical semiconductor device of the present invention is characterized in that an optical semiconductor element is sealed with a cured product of the above curable silicone composition.
- an optical semiconductor device of the present invention include a light emitting diode (LED), a photocoupler, and a CCD.
- the optical semiconductor element include a light emitting diode (LED) chip and a solid-state imaging element.
- FIG. 1 shows a cross-sectional view of a single surface-mounted LED that is an example of the optical semiconductor device of the present invention.
- a light emitting element (LED chip) 1 is die-bonded on a lead frame 2, and the light emitting element (LED chip) 1 and the lead frame 3 are wire bonded by a bonding wire 4.
- a frame member 5 is provided around the light emitting element (LED chip) 1, and the light emitting element (LED chip) 1 inside the frame member 5 is made of the cured product 6 of the curable silicone composition of the present invention. It is sealed.
- a light emitting element (LED chip) 1 is die-bonded to a lead frame 2, and the light emitting element (LED chip) 1 and the lead frame 3 are made of a gold bonding wire. 4, and then the inside of the frame material 5 provided around the light emitting element (LED chip) 1 is filled with the curable silicone composition of the present invention, and then cured by heating at 50 to 200 ° C. The method to make is illustrated.
- the viscosity is a value at 25 ° C.
- Me, Vi, Ph, and Ep represent a methyl group, a vinyl group, a phenyl group, and a 3-glycidoxypropyl group, respectively.
- cured material of a curable silicone composition was measured as follows.
- the curable silicone composition shown in Table 1 was poured into a mold having a length of 100 mm, a width of 10 mm, and a thickness of 4 mm, and was cured by heating at 150 ° C. for 120 minutes.
- the prepared cured product specimen was placed in a quartz cell, and the transmittance at 450 nm was determined by measuring the transmission spectrum with an automatic spectrophotometer.
- Adhesive strength of cured product of curable silicone composition A spacer made of polytetrafluoroethylene resin (width 10 mm, length 20 mm, thickness 1 mm) is sandwiched between two aluminum plates, silver plate, polyphthalamide plate (width 25 mm, length 75 mm, thickness 1 mm), A test piece was prepared by filling the gap with the curable silicone composition, holding it with a clip, and holding it in a hot air circulating oven at 150 ° C. for 1 hour to cure. After cooling to room temperature, the clip and spacer were removed, and the shear adhesive strength of the cured product was measured with a tensile tester.
- Lead frames 2 and 3 extend from the side wall toward the center of the inner bottom of the cylindrical polyphthalamide (PPA) resin frame 5 (inner diameter 2.0 mm, depth 1.0 mm) with the bottom closed.
- the LED chip 1 is placed on the central portion of the lead frame 2, and the LED chip 1 and the lead frame 3 are cured in an unsealed optical semiconductor device electrically connected by a bonding wire 4.
- the functional silicone composition was degassed and injected using a dispenser. Thereafter, the curable silicone composition was cured by heating in a heating oven at 100 ° C. for 30 minutes and then at 150 ° C. for 1 hour, and a surface-mounted light emitting diode (LED) shown in FIG. 1 was produced.
- Thermal shock test was repeated 750 times, with 16 light-emitting diodes manufactured by the above method held at ⁇ 40 ° C. for 30 minutes and then held at 120 ° C. for 30 minutes as one cycle ( ⁇ 40 ° C. to 120 ° C.). Repeatedly, after that, it returned to room temperature (25 degreeC), the lighting test was done, and electricity supply was confirmed. Table 1 shows the rate at which the wires are cut (number of cuts / 16 pieces).
- Examples 1 to 4, Comparative Example 1 A curable silicone composition having the composition shown in Table 1 was prepared using the following components.
- content of (D) component was shown with content (ppm) of the platinum metal with respect to the curable silicone composition in a mass unit.
- H / Vi in Table 1 represents the number of moles of silicon-bonded hydrogen atoms contained in the component (B) with respect to a total of 1 mole of alkenyl groups contained in the components (A) and (C).
- A-1) Component: Average unit formula: (Me 2 ViSiO 1/2 ) 0.20 (PhSiO 3/2 ) 0.80
- Component (B) Viscosity at 25 ° C. is 4 mPa ⁇ s, formula: HMe 2 SiOPh 2 SiOSiMe 2 H Organotrisiloxane represented by
- component (C) As the component (C), the following components were used.
- Component (D) 1,3,5,7-tetramethyl-1,3,5,7-tetravinyl of platinum-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex Cyclotetrasiloxane solution (solution containing 0.1% by mass as platinum)
- (E) component 1-ethynylcyclohexanol
- the curable silicone composition of the present invention can be used as an electric / electronic adhesive, potting agent, protective agent, coating agent, and underfill agent, and has particularly high reactivity and gas permeability. Since a low cured product can be formed, it is suitable as a sealing material or protective coating material for an optical semiconductor element in an optical semiconductor device such as a light emitting diode (LED).
- LED light emitting diode
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Abstract
Description
[(CH2=CH)(CH3)2SiO1/2]25(C6H5SiO3/2)75[Ep(CH3)SiO2/2]40
で表される有機ケイ素化合物を含有する硬化性シリコーン組成物が記載され、特許文献2には、平均単位式:
[(CH3)(C6H5)SiO2/2]0.15[(CH3)(CH2=CH)SiO2/2]0.24(EpSiO3/2)0.19(CH3O1/2)0.42
で表される有機ケイ素化合物を含有する硬化性シリコーン組成物が記載され、特許文献3には、平均単位式:
(C6H5SiO3/2)0.50(EpSiO3/2)0.25[(CH2=CH)(CH3)2SiO1/2]0.25
で表される有機ケイ素化合物を含有する硬化性シリコーン組成物が記載され、特許文献4には、平均単位式:
(EpSiO3/2)0.3[(CH2=CH)(CH3)SiO2/2]0.3[(CH3)2SiO2/2]0.3(CH3O1/2)0.2
で表される有機ケイ素化合物を含有する硬化性シリコーン組成物が記載され、特許文献5には、平均単位式:
[(CH2=CH)(CH3)SiO2/2]0.2[(C6H5)2SiO2/2]0.5(EpSiO3/2)0.3
で表される有機ケイ素化合物を含有する硬化性シリコーン組成物が記載されている。なお、上式中、Epは3-グリシドキシプロピル基を示す。
(A)一分子中にアルケニル基を少なくとも2個有するオルガノポリシロキサン 100質量部、
(B)一分子中にケイ素原子結合水素原子を少なくとも2個有するオルガノハイドロジェンポリシロキサン{(A)成分と(C)成分に含まれるアルケニル基の合計1モルに対して、0.1~10.0モルのケイ素原子結合水素原子を提供する量}、
(C)平均単位式:
(R1R2SiO2/2)a(R2R3SiO2/2)b(R4SiO3/2)c
(式中、R1は炭素数2~12のアルケニル基であり、R2は同じかまたは異なる、炭素数1~12のアルキル基、炭素数6~20のアリール基、もしくは炭素数7~20のアラルキル基であり、R3はエポキシ基含有有機基であり、R4は炭素数6~20のアリール基または炭素数7~20のアラルキル基であり、a、b、およびcは、それぞれ、0.1≦a≦0.6、0.1≦b≦0.5、0.3≦c<0.8、0.15≦a/c≦1.5、0.15≦b/c≦1.8、かつa+b+c=1を満たす数である。)
で表される接着促進剤 0.1~50質量部、および
(D)ヒドロシリル化反応用触媒(本組成物の硬化を促進する量)
から少なくともなることを特徴とする。
(R1R5 2SiO1/2)d(R5 2SiO2/2)e(R4SiO3/2)f
で表され、一分子中に少なくとも2個のアルケニル基を有するオルガノポリシロキサンレジンを含むことが好ましい。
ViPhMeSiO(Me2SiO)xSiMePhVi
ViPh2SiO(Me2SiO)xSiPh2Vi
ViMe2SiO(Me2SiO)x(Ph2SiO)x'SiMe2Vi
ViPhMeSiO(Me2SiO)x(Ph2SiO)x'SiPhMeVi
ViPh2SiO(Me2SiO)x(Ph2SiO)x'SiPh2Vi
ViMe2SiO(MePhSiO)xSiMe2Vi
MePhViSiO(MePhSiO)xSiMePhVi
Ph2ViSiO(MePhSiO)xSiPh2Vi
ViMe2SiO(Ph2SiO)x(PhMeSiO)x'SiMe2Vi
ViPhMeSiO(Ph2SiO)x(PhMeSiO)x'SiPhMeVi
ViPh2SiO(Ph2SiO)x(PhMeSiO)x'SiPh2Vi
HMe2SiO(Ph2SiO)ySiMe2H
HMePhSiO(Ph2SiO)ySiMePhH
HMeNaphSiO(Ph2SiO)ySiMeNaphH
HMePhSiO(Ph2SiO)y(MePhSiO)y'SiMePhH
HMePhSiO(Ph2SiO)y(Me2SiO)y'SiMePhH
(HMe2SiO1/2)g(PhSiO3/2)h
(HMePhSiO1/2)g(PhSiO3/2)h
(HMePhSiO1/2)g(NaphSiO3/2)h
(HMe2SiO1/2)g(NaphSiO3/2)h
(HMePhSiO1/2)g(HMe2SiO1/2)h(PhSiO3/2)i
(HMe2SiO1/2)g(Ph2SiO2/2)h(PhSiO3/2)i
(HMePhSiO1/2)g(Ph2SiO2/2)h(PhSiO3/2)i
(HMe2SiO1/2)g(Ph2SiO2/2)h(NaphSiO3/2)i
(HMePhSiO1/2)g(Ph2SiO2/2)h(NaphSiO3/2)i
(HMePhSiO1/2)g(HMe2SiO1/2)h(NaphSiO3/2)i
(HMePhSiO1/2)g(HMe2SiO1/2)h(Ph2SiO2/2)i(NaphSiO3/2)j
(HMePhSiO1/2)g(HMe2SiO1/2)h(Ph2SiO2/2)i(PhSiO3/2)j
(R1R2SiO2/2)a(R2R3SiO2/2)b(R4SiO3/2)c
で表される。
R1R2SiX2
で表されるシラン化合物もしくは一般式(I-2):
(R1R2SiO)m
で表される環状シリコーン化合物、一般式(II):
R2R3SiX2
で表されるシラン化合物、および一般式(III):
R4SiX3
で表されるシラン化合物を、酸もしくはアルカリの存在下、加水分解・縮合反応させる方法が挙げられる。
本発明の光半導体装置は、上記の硬化性シリコーン組成物の硬化物により光半導体素子を封止してなることを特徴とする。このような本発明の光半導体装置としては、発光ダイオード(LED)、フォトカプラー、CCDが例示される。また、光半導体素子としては、発光ダイオード(LED)チップ、固体撮像素子が例示される。
表1に示した硬化性シリコーン組成物を、長さ100mm×幅10mm×厚さ4mmの金型に流しこみ、150℃で120分間加熱して硬化させた。作製した硬化物試験体を石英セルに入れ450nmの透過率を自動分光光度計で透過スペクトルを測定することにより求めた。
[硬化性シリコーン組成物の硬化物の接着力]
2枚のアルミニウム板、銀板、ポリフタルアミド板(幅25mm、長さ75mm、厚さ1mm)間にポリテトラフルオロエチレン樹脂製スペーサ(幅10mm、長さ20mm、厚さ1mm)を挟み込み、その隙間に硬化性シリコーン組成物を充填し、クリップで留め、150℃の熱風循環式オーブン中に1時間保持して硬化させることにより試験体を作製した。室温に冷却後、クリップとスペーサを外して引張試験機により、硬化物のせん断接着力を測定した。
底部が塞がった円筒状のポリフタルアミド(PPA)樹脂製枠材5(内径2.0mm、深さ1.0mm)の内底部の中心部に向かってリードフレーム2、3が側壁から延出しており、リードフレーム2の中央部上にLEDチップ1が載置されており、LEDチップ1とリードフレーム3はボンディングワイヤ4により電気的に接続している未封止の光半導体装置内に、硬化性シリコーン組成物を脱泡してディスペンサーを用いて注入した。その後、加熱オーブン中で、100℃で30分間、次いで150℃で1時間加熱することにより硬化性シリコーン組成物を硬化させ、図1に示す表面実装型の発光ダイオード(LED)を作製した。
上記の方法で作製した16個の発光ダイオードを、-40℃に30分間保持した後、120℃に30分間保持することを1サイクル(-40℃⇔120℃)とする熱衝撃試験を750回繰り返し、その後、室温(25℃)に戻して、点灯試験を行い、通電を確認した。ワイヤーが切断している割合(切断している個数/16個)を表1に示した。
攪拌機、還流冷却管、温度計付きの反応容器に、フェニルトリメトキシシラン 148.5g(0.75mol)、環状ビニルメチルシクロシロキサン 43.0g(0.5mol)、およびトリフルオロメタンスルホン酸 0.11gを投入し、水 21gを添加した。その後、2時間還流させ、低沸点成分を除去した。次に、反応系を冷却後、トルエン、水酸化カリウム水溶液を添加した。その後、3-グリシドキシプロピルメチルジメトキシシラン 88.1g(0.4mol)、水 14.4gを添加した。1時間還流後、メタノールを留去し、過剰の水を共沸脱水で除いた。5時間加熱還流した後、トルエン溶液を冷却し、酢酸 1.1gで中和した後、3回水洗した。水を除去した後、トルエンを減圧下に留去して、粘度が25.3Pa・sである、平均単位式:
(PhSiO3/2)0.45(MeViSiO2/2)0.30(MeEpSiO2/2)0.25
で表される接着促進剤を調製した。
攪拌機、還流冷却管、温度計付きの反応容器に、フェニルトリメトキシシラン 148.5g(0.75mol)、環状ビニルメチルシクロシロキサン 64.5g(0.75mol)、およびトリフルオロメタンスルホン酸 0.11gを投入し、水 21.2gを添加した。その後、2時間還流させ、低沸点成分を除去した。次に、反応系を冷却後、トルエン、水酸化カリウム水溶液を添加した。その後、3-グリシドキシプロピルメチルジメトキシシラン 88.1g(0.4mol)、水 14.4gを添加した。1時間還流後、メタノールを留去し、過剰の水を共沸脱水で除いた。5時間加熱還流した後、トルエン溶液を冷却し、酢酸 1.1gで中和した後、3回水洗した。水を除去した後、トルエンを減圧下に留去して、粘度が21.1Pa・sである、平均単位式:
(PhSiO3/2)0.39(MeViSiO2/2)0.40(MeEpSiO2/2)0.21
で表される接着促進剤を調製した。
攪拌機、還流冷却管、温度計付きの反応容器に、フェニルトリメトキシシラン 148.5g(0.75mol)、環状ビニルメチルシクロシロキサン 21.5(0.25mol)、およびトリフルオロメタンスルホン酸 0.11gを投入し、水 21.2gを添加した。その後、2時間還流させ、低沸点成分を除去した。次に、反応系を冷却後、トルエン、水酸化カリウム水溶液を添加した。その後、3-グリシドキシプロピルメチルジメトキシシラン 88.1g(0.4mol)、水 14.4gを添加した。1時間還流後、メタノールを留去し、過剰の水を共沸脱水で除いた。5時間加熱還流した後、トルエン溶液を冷却し、酢酸 1.1gで中和した後、3回水洗した。水を除去した後、トルエンを減圧下に留去して、粘度が29.1Pa・sである、平均単位式:
(PhSiO3/2)0.54(MeViSiO2/2)0.18(MeEpSiO2/2)0.28
で表される接着促進剤を調製した。
攪拌機、還流冷却管、温度計付きの四口フラスコに、1,3-ジビニル-1,1,3,3-テトラメチルジシロキサン 82.2g(0.44mol)、水 143g、トリフルオロメタンスルホン酸 0.38g、およびトルエン 500gを投入し、攪拌下、フェニルトリメトキシシラン 524.7g(2.65mol)を1時間かけて滴下した。滴下終了後、1時間加熱還流した。その後、冷却し、下層を分離し、トルエン溶液層を3回水洗した。水洗したトルエン溶液層に3-グリシドキシプロピルメチルジメトキシシラン 314g(1.42mol)と水 130gと水酸化カリウム 0.50gとを投入し、1時間加熱還流した。続いて、メタノールを留去し、過剰の水を共沸脱水で除いた。4時間加熱還流した後、トルエン溶液を冷却し、酢酸 0.55gで中和した後、3回水洗した。水を除去した後、トルエンを減圧下に留去して、粘度が8,500mPa・sである、平均単位式:
(PhSiO3/2)0.53(Me2ViSiO1/2)0.18(EpMeSiO2/2)0.29
で表される接着促進剤を調製した。
下記の成分を用いて、表1に示した組成の硬化性シリコーン組成物を調製した。なお、表1中、(D)成分の含有量は、質量単位における、硬化性シリコーン組成物に対する白金金属の含有量(ppm)で示した。また、表1中のH/Viは、(A)成分と(C)成分に含まれるアルケニル基の合計1モルに対する、(B)成分に含まれるケイ素原子結合水素原子のモル数を示す。
(A-1)成分: 平均単位式:
(Me2ViSiO1/2)0.20(PhSiO3/2)0.80
で表されるオルガノポリシロキサン
(A-2)成分: 平均単位式:
(MePhViSiO1/2)0.23(PhSiO3/2)0.77
で表されるオルガノポリシロキサン
(A-3)成分: 25℃における粘度が3,000mPa・sである、分子鎖両末端ジメチルビニルシロキシ基封鎖メチルフェニルポリシロキサン
(B-1)成分: 25℃における粘度が4mPa・sである、式:
HMe2SiOPh2SiOSiMe2H
で表されるオルガノトリシロキサン
(C-1)成分: 参考例1で調製した接着促進剤
(C-2)成分: 参考例2で調製した接着促進剤
(C-3)成分: 参考例3で調製した接着促進剤
(C-4)成分: 参考例4で調製した接着促進剤
(D-1)成分: 白金-1,3-ジビニル-1,1,3,3-テトラメチルジシロキサン錯体の1,3,5,7-テトラメチル-1,3,5,7-テトラビニルシクロテトラシロキサンの溶液(白金として0.1質量%含有する溶液)
(E-1)成分: 1-エチニルシクロヘキサノール
2 リードフレーム
3 リードフレーム
4 ボンディングワイヤ
5 枠材
6 硬化性シリコーン組成物の硬化物
Claims (6)
- (A)一分子中にアルケニル基を少なくとも2個有するオルガノポリシロキサン 100質量部、
(B)一分子中にケイ素原子結合水素原子を少なくとも2個有するオルガノハイドロジェンポリシロキサン{(A)成分と(C)成分に含まれるアルケニル基の合計1モルに対して、0.1~10.0モルのケイ素原子結合水素原子を提供する量}、
(C)平均単位式:
(R1R2SiO2/2)a(R2R3SiO2/2)b(R4SiO3/2)c
(式中、R1は炭素数2~12のアルケニル基であり、R2は同じかまたは異なる、炭素数1~12のアルキル基、炭素数6~20のアリール基、もしくは炭素数7~20のアラルキル基であり、R3はエポキシ基含有有機基であり、R4は炭素数6~20のアリール基または炭素数7~20のアラルキル基であり、a、b、およびcは、それぞれ、0.1≦a≦0.6、0.1≦b≦0.5、0.3≦c<0.8、0.15≦a/c≦1.5、0.15≦b/c≦1.8、かつa+b+c=1を満たす数である。)
で表される接着促進剤 0.1~50質量部、および
(D)ヒドロシリル化反応用触媒(本組成物の硬化を促進する量)
から少なくともなる硬化性シリコーン組成物。 - (A)成分が、平均単位式:
(R1R5 2SiO1/2)d(R5 2SiO2/2)e(R4SiO3/2)f
(式中、R1およびR4は前記と同様の基であり、R5は同じかまたは異なる、炭素数1~12のアルキル基、炭素数2~12のアルケニル基、炭素数6~20のアリール基、もしくは炭素数7~20のアラルキル基であり、d、e、およびfは、それぞれ、0.01≦d≦0.5、0≦e≦0.7、0.1≦f<0.9、かつd+e+f=1を満たす数である。)
で表され、一分子中に少なくとも2個のアルケニル基を有するオルガノポリシロキサンレジンを含む、請求項1に記載の硬化性シリコーン組成物。 - (A)成分が、一分子中に少なくとも2個のケイ素原子結合アルケニル基と少なくとも1個のケイ素原子結合アリール基を有する直鎖状のオルガノポリシロキサンを含む、請求項1または2に記載の硬化性シリコーン組成物。
- (C)成分中のR3がグリシドキシアルキル基、エポキシシクロヘキシルアルキル基、またはエポキシアルキル基である、請求項1乃至3のいずれか1項に記載の硬化性シリコーン組成物。
- さらに、(E)ヒドロシリル化反応抑制剤{(A)成分~(D)成分の合計100質量部に対して0.01~3質量部}を含有する、請求項1乃至4のいずれか1項に記載の硬化性シリコーン組成物。
- 請求項1乃至5のいずれか1項に記載の硬化性シリコーン組成物の硬化物により光半導体素子が封止されている光半導体装置。
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| JP2019087588A (ja) * | 2017-11-02 | 2019-06-06 | 信越化学工業株式会社 | ダイボンディング用シリコーン組成物、その硬化物、及び発光ダイオード素子 |
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| CN109689791B (zh) | 2016-08-08 | 2022-09-16 | 道康宁东丽株式会社 | 固化性粒状硅组合物、由其构成的半导体用构件及其成型方法 |
| WO2018235491A1 (ja) | 2017-06-19 | 2018-12-27 | 東レ・ダウコーニング株式会社 | 硬化性粒状シリコーン組成物、それからなる半導体用部材、およびその成型方法 |
| KR102520889B1 (ko) * | 2017-07-06 | 2023-04-12 | 닛산 가가쿠 가부시키가이샤 | 페닐기함유 폴리실록산을 함유하는 가접착제 |
| WO2020035152A1 (de) * | 2018-08-17 | 2020-02-20 | Wacker Chemie Ag | Vernetzbare organopolysiloxan-zusammensetzungen |
| TWI844552B (zh) | 2018-09-10 | 2024-06-11 | 美商陶氏有機矽公司 | 用於生產光學聚矽氧總成之方法、及藉其生產之光學聚矽氧總成 |
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| EP4082776A4 (en) * | 2019-12-27 | 2024-02-07 | Dow Toray Co., Ltd. | MULTI-LAYER BODY AND ELECTRONIC COMPONENT MADE THEREFROM |
| JP7673941B2 (ja) | 2020-07-20 | 2025-05-09 | デュポン・東レ・スペシャルティ・マテリアル株式会社 | 硬化性シリコーン組成物、封止材、及び光半導体装置 |
| CN112251190B (zh) * | 2020-09-10 | 2022-08-19 | 烟台德邦科技股份有限公司 | 一种led封装胶组合物 |
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