WO2005111149A1 - オルガノポリシロキサン樹脂硬化物からなる独立フィルム、その製造方法および積層フィルム - Google Patents
オルガノポリシロキサン樹脂硬化物からなる独立フィルム、その製造方法および積層フィルム Download PDFInfo
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- WO2005111149A1 WO2005111149A1 PCT/JP2005/009221 JP2005009221W WO2005111149A1 WO 2005111149 A1 WO2005111149 A1 WO 2005111149A1 JP 2005009221 W JP2005009221 W JP 2005009221W WO 2005111149 A1 WO2005111149 A1 WO 2005111149A1
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- organopolysiloxane resin
- cured
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/48—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/12—Polysiloxanes containing silicon bound to hydrogen
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/70—Siloxanes defined by use of the MDTQ nomenclature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2383/00—Characterised by the use 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; Derivatives of such polymers
- C08J2383/04—Polysiloxanes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/11—Methods of delaminating, per se; i.e., separating at bonding face
- Y10T156/1153—Temperature change for delamination [e.g., heating during delaminating, etc.]
- Y10T156/1158—Electromagnetic radiation applied to work for delamination [e.g., microwave, uv, ir, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
Definitions
- the present invention relates to an independent film made of a cured product of organopolysiloxane resin and a method for producing the same, and more specifically, it has optical transparency, excellent heat resistance, high glass transition temperature, small size, small size,
- the present invention relates to an independent film comprising a cured product of an organopolysilicone resin having a thermal expansion coefficient and a method for producing the same.
- the present invention particularly relates to an optical element such as a transparent electrode film, a TFT electrode film or the like; an optical element such as a wavelength filter, a polarizer or the like; an organopolysiloxane useful as an insulating material excellent in insulation and heat resistance.
- the present invention relates to an independent film made of a cured resin and a method for producing the same.
- the present invention further relates to a laminate film comprising an inorganic material layer on the independent film.
- polymer films having light weight and transparency are often used as seen in displays of mobile phones.
- polymer films are considered to be one of the essential components in future paper-type play.
- Films are one of the most suitable technical fields of polymeric materials, and films of crystalline polymers such as polyethylene, polypropylene and polyethylene terephthalate, and amorphous polymers such as polycarbonate and polymethylmetatalylate. Films and the like are known. These are all thermoplastic polymers, and various films can be easily produced by adjusting the molecular weight and molecular weight distribution.
- thermoplastic polymers Today, many of the commercially available transparent polymer films are made of thermoplastic polymers, and for example, they are manufactured by calendering a heat-melted thermoplastic polymer, or by extrusion through a T-die. . In addition, a transparent polymer film is produced by biaxially stretching a crystalline polymer. There is.
- a film produced from a thermoplastic polymer is likely to cause orientation of polymer chains in the film due to its production method.
- the polymer chains are oriented by the action of a calender roll when calendering a thermoplastic polymer that has been heated and melted, and by the pushing force from the extruder when extruding through a T-die.
- orientation phenomena are particularly problematic in the case of transparent films. This is because, when the polymer chains in the transparent film are oriented, birefringence occurs when light passes through the film.
- thermoplastic polymer a transparent film made of a thermoplastic polymer is regarded as a problem in practical use as an optical material.
- the cause of the orientation of the thermoplastic polymer is the stress applied in the heat-melted state, but the application of some kind of stress can not be avoided in molding processing in the heat-melted state. Therefore, in order to suppress the orientation in the film, it is conceivable to carry out molding processing without stress application, for example, cast molding.
- cast film molding of thermoplastic polymers has many problems. For example, the unreacted monomer of the thermoplastic polymer, the solvent for the casting solution, and various additives added to impart heat resistance etc. may volatilize from the film and contaminate the film periphery. There is.
- thermoplastic polymer film is obtained by cast molding, a film made of a thermoplastic polymer generally has poor heat resistance, and mechanical properties are degraded at high temperatures, so that electronic products that generate heat are produced. There may be difficulties in using it.
- high heat resistant thermoplastic non-crystalline polymers such as polysulfone etc. are also known. For example, polysulfone has an absorption band of light up to around 400 nm, and it is an optical transmittance in terms of light transmittance. There are difficulties as materials.
- thermosetting resin excellent in heat resistance.
- a crosslinkable polymer a liquid monomer or a low molecular weight prepolymer is crosslinked. As it is polymerized to a predetermined shape, the application of stress is not necessary for applying the shape. Therefore, no orientation of the polymer chain occurs.
- a film made of a crosslinkable polymer such as a thermosetting resin even if low molecular compounds such as residual monomers are contained, they are trapped in a three-dimensionally crosslinked polymer network, and from the film There is no problem as seen in the above-mentioned cast molding of thermoplastic resin, because the diffusion of is suppressed.
- a film made of a crosslinkable polymer such as a thermosetting resin is provided in the form of being held or covered on a predetermined substrate, and it can function in a state where it is not held on the substrate. It was difficult to obtain a stand-alone film.
- a transparent film excellent in heat resistance, UV resistance, oxidation resistance and the like can be produced from the curable organopolysiloxane composition without the addition of a heat stabilizer, a UV absorber, an antioxidant and the like.
- they are supported on a substrate, and independent films comprising cured organopolysiloxane having practically sufficient physical properties, that is, unsupported films are not yet found in the market. .
- the inventors of the present invention in WO-03 10 4 2 3 9, have high heat resistance, excellent transparency in the visible light region, and a cured product of an organic lanthanide mouth xanthan having little birefringence. And a laminated film provided with an inorganic layer on the independent film made of the organopolysiloxane cured product.
- WO-03-2013 has a high thermal deformation temperature that can withstand the temperature, that is, a glass transition temperature, and a small thermal expansion coefficient.
- a stand-alone film consisting of the cured product of an organopolycane mouth xanthan The present inventors noticed that, for example, in the process of manufacturing a display, a mismatch between the thermal expansion coefficients of the base film and the deposited layer due to heating becomes a problem. Disclosure of the invention
- the present inventors carefully studied the influence of the phenyl xanthene unit in the organopolysiloxane or the influence of the crosslink density obtained from the dynamic viscoelasticity measurement on such thermal properties.
- the types and ratios of siloxane units whose thermal properties can be controlled, and the presence of carbon atom bonds We came to clarify the machine base and its content. That is, the object of the present invention is to improve the glass transition temperature and the thermal expansion coefficient to meet the current situation where polymer films having better physical properties are required, that is, the glass transition temperature is high and the thermal expansion is small.
- the present invention is a.
- R 1 represents the number of carbon atoms
- R 2 represents the number of carbon atoms
- R 6 is an alkenyl group of 2 to 6
- R 3 is one or two selected from the group consisting of an alkyl group of 1 to 4 carbon atoms and a monovalent aromatic hydrocarbon group of 6 to 8 carbon atoms
- at least 50% of R 3 is phenyl
- a is 0, 1 or 2
- v + w 1, 0.8 0w ⁇ 1.
- x + y + z l
- organopolysiloxane resin represented by 0 ⁇ x
- An organic silicon compound having two or more silicon atom-bonded hydrogen atoms in one molecule, and at least 5 mol% of all monovalent groups in the silicon atom bond is a monovalent aromatic hydrocarbon group
- (C) A free-standing film comprising a cured product of an organopolysiloxane resin which is reacted in the presence of a hydrosilylation reaction catalyst.
- the cured organopolysiloxane resin does not have a specific light absorption band in the visible light region, and the light transmittance at 400 nm is 85% or more, and the light transmittance in the wavelength range of 500 to 700 nm. Is 88% or more.
- the independent film as described in [1].
- the glass transition temperature of the cured product of organopolysiloxane resin is 100 ° C. or higher, 100 ° C.
- R 1 represents one or more monovalent hydrocarbon groups selected from the group consisting of an alkyl group having 14 carbon atoms and a monovalent aromatic hydrocarbon group having 68 carbon atoms
- R 2 is an alkenyl group having 2 to 6 carbon atoms
- R 3 is selected from the group consisting of an alkyl group having 1 to 14 carbon atoms and a monovalent aromatic hydrocarbon group having 6 to 8 carbon atoms.
- One or more monovalent hydrocarbon groups, at least 50 monophenyl groups of R 3 , a is 0
- An organic silicon compound having two or more silicon atom-bonded hydrogen atoms in one molecule, and at least 5 mol% of all monovalent groups in the silicon atom bond is a monovalent aromatic hydrocarbon group
- (C) A step of applying a crosslinkable organopolysiloxane resin composition, which comprises a hydrosilylation reaction catalyst, onto a substrate to form an uncured film; a step of crosslinking the uncured film to obtain a cured film
- the cured organopolysiloxane resin does not have a specific light absorption band in the visible light region, the light transmittance at 400 nm is 85% or more, and the light transmittance in the wavelength range of 500 700 nm is 88% or more [4]
- the glass transition temperature of the cured product of organopolysiloxane resin is 100 ° C. or higher, and the thermal expansion coefficient at 100 ° C. is 200 ppm or less. Production method.
- [7] A laminated film having an inorganic layer on the independent film described in [1].
- [8] The laminated film according to [7], wherein the inorganic layer is a vapor deposited layer of metal or metal oxide.
- the independent film consisting of the cured product of the organopolysiloxane resin of the present invention is independent because of its excellent physical properties and mechanical properties. That is, it can be in the form of a film without being cracked even if it is held on a substrate or not supported by another substrate, and does not crack or break even if it is repeatedly bent, so an independent film, That is, it can be used as an unsupported film.
- the independent film made of the cured product of the organopolysiloxane resin of the present invention is cross-linked, so it has high heat resistance in that it does not flow even at high temperatures, but it also has a high glass transition temperature, that is, a high heat distortion temperature, Therefore, the thermal expansion coefficient at high temperatures is small.
- the independent film made of the cured product of the organopolysiloxane resin of the present invention has good light transmittance from the visible light region and from the near ultraviolet region to the near infrared region, and has less birefringence. In addition, it has an excellent feature that the light transmittance does not show polarization dependence, and has good optical properties that can cope with polarized light and coherent light.
- the independent film composed of the cured product of organopolysiloxane resin of the present invention is a high energy treatment such as sputtering in an atmosphere containing oxygen when forming an inorganic compound layer, for example, a thin film of metal or metal oxide on the film. Further, since the film is stable under film forming conditions such that oxygen is excited to be activated and has high heat resistance, it is also possible to form an inorganic compound layer on the independent film by a vacuum film forming method.
- the multilayer film having the inorganic material layer on the independent film made of the cured product of the organopolysiloxane resin of the present invention is, for example, an electroluminescent display, a liquid crystal display, etc.
- the thin film can be used as a transparent electrode film as a voltage application electrode of a thin display.
- such laminated films are It can also be used as a film type optical element such as a filter or reflector, and it can also be used for applications such as anti-static and electromagnetic shielding screens by adjusting the resistance value of the inorganic layer.
- the inorganic layer can have a function as an antireflective film by adjusting the refractive index.
- the independent film of the present invention is
- R 1 represents an alkyl group having 1 to 4 carbon atoms And at least one monovalent hydrocarbon group selected from the group consisting of monovalent aromatic hydrocarbon groups having 6 to 8 carbon atoms, and R 2 is an alkenyl having 2 to 6 carbon atoms
- R 3 is one or more monovalent hydrocarbon selected from the group consisting of an alkyl group having 1 to 4 carbon atoms and a monovalent aromatic hydrocarbon group having 6 to 8 carbon atoms.
- (B ) 5 molecules or more of all the silicon atom-bonded groups are monovalent, having two or more silicon-bonded hydrogen atoms in one molecule
- An organopolysiloxane resin formed by crosslinking the hydrogen atom-bonded hydrogen atom in the organic hydrocarbon compound which is an aromatic hydrocarbon group and the hydrosilylation reaction by the action of (C) hydrosilylation reaction catalyst. It consists of a cured product.
- R 1 an alkyl group having 1 to 4 carbon atoms which is R 1 , methyl group, acetyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group Group, a sec-butyl group and a tert-butyl group are exemplified, and another R 1 is a monovalent aromatic hydrocarbon group having 6 to 8 carbon atoms which is exemplified by a phenyl group, a torinoret group and a xylyl group. In terms of heat resistance, reactivity, and ease of production, a phenyl group is preferred.
- Examples of the alkenyl group having 2 to 6 carbon atoms which is R 2 include buryl, 1_propenyl, faryl, isopropenyl, 1-butenyl, 2-butyryl and 1-hexenyl. However, from the viewpoint of hydrosilylation reactivity and ease of production, a bule group is preferred.
- an alkyl group having 1 to 4 carbon atoms which is R 3 methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group, sec-butyl group, tert-butyl group
- it is preferably a methyl group.
- Examples of the aromatic hydrocarbon group having 6 to 8 carbon atoms which is another R 3 include phenyl group, tolyl group and xylyl group, but from the viewpoints of thermal characteristics and ease of production of the cured product of the organopolysiloxane resin. Preferably it is a phenyl group. From the point of view of the thermal properties of the cured organoganopolysiloxane resin, at least 50% by mole of all R 3 in the molecule is a phenolic group.
- a is 0, 1 or 2, preferably 2.
- two or three alkenyl groups may be present in the [R 1 a R 2 3 _ a S i O! 2 ] unit, but this may not be effectively used in the crosslinking reaction. is there.
- 0. x + y + z l, 0 x 0 .4, 0 .5 ⁇ y ⁇ l, 0 ⁇ z ⁇ 0. 4 and if outside these ranges, the cured organopolysiloxane resin is It becomes difficult to express desired characteristics.
- the organic silicon compound in which / o or more is an aromatic hydrocarbon group may be any of a silylated hydrocarbon, an organosilane, an organosiloxane oligomer, an organopolysiloxane and the like.
- the molecular structure is not particularly limited, but in order to form a cured product having high transparency, it is preferable that it is compatible with the component (A), that is, similar in molecular structure.
- at least 5 mol% of all the silicon atom-bonded groups must be aromatic hydrocarbon groups, and preferably at least 10 mol% are aromatic hydrocarbon groups. 5 moles.
- the transparency of the cured product may be reduced, or the desired physical and thermal properties may not be obtained.
- monovalent aromatic hydrocarbon groups include phenyl, tolyl and xylyl, with phenyl being preferred.
- the aromatic hydrocarbon group may be a divalent aromatic hydrocarbon group, such as a phenylene group.
- the organic group other than the monovalent aromatic hydrocarbon group the above-mentioned alkyl group is preferable, and a methyl group is more preferable.
- component (B) examples include organosilanes having two silicon-bonded hydrogen atoms, such as diphenylsilane, 1,3-bis (dimethylsilyl) benzene, and 1,4-bis (dimethylsilyl) benzene.
- organosiloxane oligomer represented by (HMe 2 SiO) 3 SiPh or (HMePhSiO) 3 SiPh; an organopolysilicone resin consisting of (PhSi 0 3/2 ) and (Me 2 HSi 0 1/2 ) units, PhSi0 3/2), (Me 2 Si0 2/2) and (Me 2 HSiO l, 2) the organopolysiloxane ⁇ consisting each unit of, (PhSi0 3/2), (MeSi0 3/2) and (MeHSiO ; 2) the organopolysiloxane resin comprising the units, (PhSi0
- organic silicon compounds may be used in combination of two or more.
- the preparation methods of these organic silicon compounds are known or known, and, for example, the hydrolytic decondensation reaction of only organochlorosilanes having a hydrogen atom-bonded hydrogen atom, or organochlorosilanes and keys which have a carbon atom-bonded hydrogen atom. It can be produced by the cohydrolytic condensation reaction of an organosilane having no atomic hydrogen atom. .
- the molar ratio of silicon-bonded hydrogen atoms in the component (B) to the unsaturated aliphatic hydrocarbon group in the component (A) is slightly excessive. It is preferable to blend the ingredients and component (B).
- the molar ratio of the hydrogen atom bonded hydrogen atom in the component (B) to the alkenyl group in the component (A) is preferably 1. 0 to 1. 3.
- the hydrosilylation reaction catalyst which is the component (C) is preferably a metal of Group 8 of the periodic table, compounds thereof, and more preferably platinum and platinum compounds. Examples thereof include particulate platinum, chloroplatinic acid, platinum diolefine complex, platinum diketone complex, platinum-divinyl tetramethyl disiloxane complex, and platinum phosphine complex.
- the compounding amount thereof is preferably in the range of 0.55 ppm to 30 ° ppm by metal weight with respect to the total weight of the component (A) and the component (B), more preferably 0.1 ppm to It is in the range of 50 ppm. If it is less than this range, crosslinking reaction may not progress sufficiently, and if it exceeds this range, it is useless and optical properties may be deteriorated due to the remaining metal.
- hydrosilylation reaction and crosslinking reaction at room temperature It is preferable to incorporate a hydrosilylation reaction retarder in order to suppress and prolong the pot life.
- a hydrosilylation reaction retarder As a specific example, 2-methyl-3-butin 1-2 nore, dimethinole maleate, getinole fumarate, bis (2-methoxy 1-methinole e tinole) maleate, 1-ethinole 1 1- Chlorohexanol, 3, 5-Dimethinole 1-Hexyne-one, N, N, N ', N' — Tetramethynoleethylenediamine, Ethylenediamine, Diphenynolephosphine, Diphenynolephosphite, Trioctylphosphine And jetyl phenylphosphonate and methyl diphenyl phosphate.
- the blending amount of the hydrosilylation reaction retarder is preferably such that the weight ratio thereof is 1
- various additives generally blended in the curable organopolysiloxane composition may be included.
- inorganic particles such as reinforcing silica filler (for example, fumed silica, colloidal silica), alumina, etc., which are generally used. Can be added to improve the strength of the independent film made of the cured product of organopolysiloxane resin.
- the blending amount of the inorganic particles varies depending on the purpose and application and can be determined by a simple blending test. Even when inorganic particles are blended, the transparency of the film can be maintained by adjusting the particle diameter of the particles. Since the opacification due to the addition of particles is caused by light scattering by the added particles, it also depends on the refractive index of the material that constitutes the particles, but the diameter of the incident light wavelength is generally 1 to 5-1/6 or less (8 for visible light region With particles of 0 to 60 nm), the scattering can be suppressed to maintain the transparency of the film.
- the crosslinkable organopolysiloxane resin composition for producing an independent film comprising the cured organopolysiloxane resin of the present invention
- dyes such as phthalocyanine dyes and conventional phosphors, etc. may be added.
- the independent film made of the cured product of the organopolysiloxane resin of the present invention does not have a specific absorption band in the visible light region, so it is added an additive that absorbs visible light and exhibits a predetermined function by light excitation. Can be functionalized.
- the method for producing a cured film of an organopolyoxypene resin according to the present invention is
- R 1 represents one or more monovalent hydrocarbons selected from the group consisting of an alkyl group having 1 to 4 carbon atoms and a monovalent aromatic hydrocarbon group having 6 to 8 carbon atoms
- R 2 is an alkenyl group having 2 to 6 carbon atoms
- R 3 is a group consisting of an alkyl group having 1 to 4 carbon atoms and a monovalent aromatic hydrocarbon group having 6 to 8 carbon atoms.
- (C) a step of applying a hydrosilylation reaction catalyst and a cross-linked organopolysilicone resin composition comprising a force, onto a substrate to form an uncured film; curing the uncured film to form a cured film Obtaining the cured product film from the substrate.
- component (A), (B) and (C) are as described above. When these three components are blended, the hydrosilylation reaction proceeds and gels even at normal temperature, and in addition, it may be crosslinked and cured, so it is preferable to appropriately add the above-mentioned hydrosilylation reaction retarder. If component (A) or component (B) is not liquid at room temperature, or if it is liquid or has high viscosity, it is preferable to dissolve it in an appropriate organic solvent. As such an organic solvent, since the temperature at the time of crosslinking may reach about 200 ° C., the boiling point is 200 ° C. or less, and the component (A) or the component (B) is dissolved. There is no particular limitation as long as it does not inhibit the dolosilylation reaction.
- ketones such as acetone and methyl isopyl ketone
- aromatic hydrocarbons such as toluene and xylene
- aliphatic hydrocarbons such as heptane, hexane and octane
- dichloromethane dichloromethane Norem, methylene chloride, halogenated hydrocarbons such as 1, 1, 1-trichloroethene
- ethers such as THF
- dimethyl formamide N-methyl pyrrolidone.
- the amount of the organic solvent used is, for example, in the range of 1 part by mass to 300 parts by mass per 100 parts by mass of the total amount of the component (A), the component (B) and the component (C) It is not limited.
- component (A :), component (B), a mixture of components (C); component (A), component (B), component (C), a mixture of hydrosilylation reaction retarders, or an organic solvent of these mixtures The solution is applied on a substrate to form an uncured film.
- the viscosity of the mixture is preferably 1 ⁇ 10 3 Pa ⁇ s or less, more preferably 1 ⁇ 10 2 Pa ⁇ s or less, from the viewpoint of coatability.
- the substrate to be used here is not particularly limited as long as the surface is smooth and the releasability of the cured organopolysiloxane resin film is good, but the component (A), the component (B), the component ((5) C) Those which are stable to a hydrosilylation reaction retarder and an organic solvent, and resistant to the temperature environment at the time of crosslinking reaction of the uncured film are preferable.
- Preferred substrate materials include inorganic materials such as glass, quartz, ceramic, graphite and the like; metal materials such as steel, stainless steel, alumina, and hyaluronic; polymers insoluble in organic solvents and stable even at the boiling point of organic solvents Examples of the material include polytetrafluoroethylene and polyethylene terephthalate.
- Crosslinking (curing) of the uncured film is carried out by leaving it at room temperature or heating it at a temperature higher than room temperature.
- the uncured film contains an organic solvent, it is first air-dried or slightly above room temperature. It is preferable to volatilize the organic solvent by keeping the temperature high.
- the heating temperature for cross-linking (curing) is preferably, for example, a temperature of 40 ° C. or more and 200 ° C. or less.
- the heating mode can be appropriately adjusted as needed. For example, a plurality of short time heating may be repeated, or long continuous single heating may be performed.
- the organopolysiloxane resin cured product layer formed by crosslinking on the substrate can be separated from the substrate to form an independent film composed of the organopolysiloxane resin cured product. Peeling
- the release means may be one well known in the art, such as a mechanical blade such as a doctor blade or vacuum suction.
- the independent thickness of the cured organopolysiloxane resin film may be appropriately changed depending on the application, and not only the thickness of 5 to 300 ⁇ , which is a typical polymer film, but also a thickness larger than that Sheets can also be formed.
- the independent film composed of the cured product of the organopolysiloxane resin of the present invention thus produced exists as an independent film unlike the film produced by cast molding of a typical thermosetting resin. .
- the independent film composed of the cured product of the organopolysiloxane resin of the present invention has no specific light absorption band in the visible light region, has a light transmittance of 85% or more at 400 nm, and It has a light transmittance of 8 8% or more in the wavelength range of ⁇ 700 nm. Since the independent film consisting of the cured product of the organopolysiloxane of the present invention is not produced by applying stress in the molten state, there is no problem of polymer chain orientation. Therefore, birefringence is small enough to ignore.
- the independent film consisting of the cured product of organopolysiloxane resin of the present invention can be obtained by hydrosilylation reaction between unsaturated aliphatic hydrocarbon group in component (A) and silicon-bonded hydrogen atoms in component (B). Obtained by the crosslinking reaction.
- hydrosilylation crosslinking reaction low molecular weight by-products are not generated along with crosslinking, so the volume of the film associated with crosslinking, as compared with the condensation type crosslinking reaction found in ordinary thermosetting resins. The contraction can be kept small. For this reason, in the case of an independent film comprising a cured product of an organopolysiloxane resin obtained by hydrosilylation crosslinking reaction, the internal stress in the film is also small.
- the independent film made of the cured product of organopolysiloxane resin of the present invention the occurrence of strain due to internal stress is suppressed. This preferably contributes also to the improvement of the optical uniformity and the strength of the film. Further, the independent film comprising the cured product of the organopolysiloxane resin of the present invention maintains the film shape even when heated to 300 ° C., and no change in weight is observed. It also has excellent mechanical properties after heating, and the mechanical properties hardly change before and after heating. Therefore, the independent film made of the cured product of the organopolysiloxane resin of the present invention is a general engineering plastic such as polycarbonate. It has moderate high heat resistance and can be suitably used in the technical field where heat resistance is required. [0 0 1 8]
- the laminated film of the present invention is obtained by providing an inorganic layer on the independent film made of the cured product of organopolysiloxane resin produced as described above.
- the independent film comprising the organopolysiloxane resin cured product, which is a substrate of the laminated film of the present invention is usually a single layer, but, if necessary, a laminate of independent films comprising a plurality of organopolysiloxane resin cured products. Alternatively, it may be a laminate in which an independent film composed of a cured product of organopolysiloxane resin is laminated on another transparent film or sheet.
- the independent film made of the cured product of the organopolysiloxane resin of the present invention has heat resistance, poor water absorption, and is a crosslinked product, so low molecular weight components are evaporated during vacuum deposition (vapor deposition) to form a film.
- vacuum deposition vapor deposition
- a laminated film comprising an inorganic vapor deposition layer on an independent film made of a cured product of organopolysiloxane resin which does not have an absorption band of
- This temperature condition is necessary to suppress the deformation and thermal decomposition of the independent film made of the cured product of organopolysiloxane resin, and more preferably, the independent product made of the cured product of organopolysiloxane resin at the time of vacuum film formation (vapor deposition).
- the temperature of the film is below 250 ° C.
- the material of the inorganic layer is not particularly limited as long as it can be vapor-deposited, and conventional materials such as metals to be vapor-deposited and metal oxides can be used.
- Examples of such common materials are S i 0 2 , Z n O, ln 2 0 3 , S n 0 2 , ITO (Indium-Tin-Oxide; ln 2 0 3 -x Sn), N i 0, F 0 0, C u 20 , ananolemina, silicon nitride, silicon oxynitride, tungsten, gold, silver, copper, ethanol, diamond, etc. can be mentioned.
- the layer thickness of the inorganic layer may be appropriately set, for example, in the range of 50 to 500 angstrom, although it depends on the material. Even a metal such as silver having an absorption band in the visible light range is as thin as about 50 to 100 angstroms. If it is a thin layer, it is possible to form a transparent inorganic conductive layer sufficiently, and the obtained laminated film can function as a transparent electrode material.
- the transparent electrode material it is possible to use a highly transparent material in the visible light region selected from metal oxide semiconductor materials having band gap absorption in a short wavelength region of less than 400 nm. As such a material, for example, metal oxide semiconductors such as S i O 2 , Z nO, I n 2 0 3 , S n 0 2 , and ITO can be mentioned.
- the metal oxide semiconductor typically I n 2 0 3, I TO (I n 2 0 3 one x S n), S n0 2 , Z n -type semiconductor and N i 0 of nO, F e 0 And p-type semiconductors such as Cu 2 O.
- I TO I n 2 0 3 one x S n
- S n0 2 S n0 2
- Z n -type semiconductor and N i 0 of nO
- F e 0 And p-type semiconductors such as Cu 2 O.
- the independent film made of the cured product of the organopolysiloxane resin of the present invention is: Since no change in physical properties is observed even when heated at ° C, it is possible to perform annealing near 300 ° C. Then, when forming an inorganic layer by sputtering metal deposition on a substrate, many metals including noble metals such as gold, silver and copper are deposited on the film at a temperature less than 300 ° C. It is possible.
- Chemical vapor is introduced into the chamber to form an inorganic layer on an independent film consisting of a cured product of organopolysiloxane resin.
- CVD is performed at a low temperature (20 to 25 ° C) like plasma CVD. There is no problem as long as it is done.
- the pressure in the chamber can be set to argon or hydrogen 0.1 to 1: I Torr; silane gas such as Si H 4 , Si 2 H 6 or the like 0.10 to 0 I Torr; RF power is about several tens to several tens O mW / cm 2 so that the temperature of the film becomes about 200 to 250 ° C.
- a film can be formed sufficiently. .
- the polysiloxane can withstand the temperature which is one of the environmental conditions at the time of film formation, and furthermore, the polycarbonate is not affected by the substances present in the environment, the above-mentioned laminated film is The vacuum deposition method can be used without any problem.
- the independent film consisting of the cured product of the organopolysiloxane resin of the present invention is not affected by oxygen when the vacuum film forming method is carried out, a compound containing oxygen, for example, tetraethoxysilane, is used for CV
- the silica film can be formed on the film by D. As a result, gas permeability can be reduced and abrasion resistance deterioration and abrasion can be prevented.
- the present invention will be specifically described by way of synthesis examples, examples and comparative examples, but the present invention is not limited to the following examples.
- the molecular weight of the polysiloxane resin is GPC (Tosoh Corporation HLC-8020), and the column is two Tosoh Corporation TSKg e 1 GMH X 1 L (trademark)
- cromoform was used as a solvent, and it was measured in terms of standard polystyrene.
- the average siloxane unit formula of the polysiloxane resin was determined by measuring 2 9 S i NMR spectrum (using ACP-300 manufactured by Bull Force One).
- the toluene was removed by distillation until / 0 . Thereafter, 17O mg of potassium hydroxide was added, and the mixture was refluxed for 16 hours while removing water azeotropically. After completion of the reaction, the hydroxylating power was neutralized with a small amount of vinyldimethylchlorosilane, and then washed with water to confirm the neutrality of the toluene layer, and then the toluene layer was dried using a desiccant. After the desiccant was removed, the toluene was removed under reduced pressure to give 14 lg of methylphenylpolysiloxane resin as a white solid.
- the molecular weight of this methylphenylpolysiloxane resin was measured.
- the weight average molecular weight was 1,900, and the number average molecular weight was 1,400.
- the average siloxane unit formula determined from 2 9 S i NMR spectra is [V iMe 2 S i / 2 ] 0 . 5 [PhS i 0 3/2 ] 0. 8 0 [S i 0 4/2] 0. Was 0 5.
- this polymer has an average compositional formula [V iMe 2 S i O! / 2] 0. 9 [M e 3 S it OJ / 2] 0. 9 [ has been found to be Mechirubi two Le polysiloxane resin represented by S i 0 4/2].
- platinum one 1,3 Jibyuru - 1,1, 3,3-tetramethyldisiloxane complex of 1,3-divinyl-1,1, 3, 3 - tetramethyldisiloxane solution platinum one 1,3 Jibyuru - 1,1, 3,3-tetramethyldisiloxane complex of 1,3-divinyl-1,1, 3, 3 - tetramethyldisiloxane solution (platinum content 5 wt 0 Add 2 ppm by weight of platinum metal based on the solid content of the mixture of the above polysiloxane and 1,4-bis (dimethylsilyl) benzene and continue stirring to obtain a cast solution.
- the cast solution was cast on a glass substrate, left at room temperature for about 1 hour, and cured by heating at 100 ° C. for about 2 hours and 150 ° C. for about 3 hours.
- a 1.5 mm thick methylphenylvinylpolysiloxane resin cured product is prepared, and the dynamic viscoelasticity is measured with a rheometric scientific RDA-II dynamic viscoelasticity measuring device.
- the glass transition temperature determined from ta ⁇ ⁇ was 111 ° C.
- a 5 mm wide, 5 mm long, and 15 mm high methyl phenylene vinyl siloxane resin cured product is produced, and heat is applied in a compression mode using the UL VAC multi-samal analysis system.
- the thermal expansion coefficient at 100 ° C. was 152 ppm ZK.
- the bending strength was measured using an oat graph manufactured by Shimadzu Corporation.
- the Young's modulus was 1.5 GP a, and the bending strength was 56 MP a.
- the dynamic viscoelasticity was measured in the same manner as in Example 1. As a result, the glass transition temperature determined from ta ⁇ ⁇ was 140 ° C. At 100 ° C, the thermal expansion coefficient was 127 ppm ⁇ K, and the Young's modulus was 1.3 GPa, and the bending strength was 48 MPa.
- Example 3 75 and weight 0/0 Toruen solution of methyl phenyl vinyl policy port hexane resin Synthesis Example 3, 1, 4 - bis with (dimethylsilyl) benzene, Mechirufue two Rubiniru in the same manner as in Example 1
- the independent film which consists of a polycis opening xanth resin cured material was obtained.
- the light transmittance of this film was measured by Shimadzu photometer 3100 PC, and the light transmittance at 400 to 700 nm was 85% or more.
- the light transmittance of this film was measured using a polarizer, but no polarization dependence was observed. It was also confirmed that this film had no birefringence.
- the dynamic viscoelasticity was measured in the same manner as in Example 1.
- the glass transition temperature determined from ta ⁇ ⁇ was 226 ° C.
- the thermal expansion coefficient at 100 ° C. was 138 ppm, K, the Young's modulus was 1.4 GPa, and the bending strength was 5 OMP a.
- the dynamic viscoelasticity was measured in the same manner as in Example 1. As a result, the glass transition temperature determined from tan S was 323 ° C. The thermal expansion coefficient at 100 ° C. was 190 ppm ZK, the Young's modulus was 1.3 GPa, and the bending strength was 43 MP a.
- the dynamic viscoelasticity was measured in the same manner as in Example 1. As a result, the glass transition temperature determined from ta ⁇ ⁇ was 221 ° C. The thermal expansion coefficient at 100 ° C was 142 ppm / K, Young's modulus was 1. lGPa, and flexural strength was 39 MPa.
- the weight average molecular weight by G PC is about 1700, and the average siloxane unit formula [V i Me 2 S i O
- this film had no birefringence.
- the Young's modulus measured in the same manner as in Example 1 was 1.5 GPa and the flexural strength was 47 MP a, but when the dynamic viscoelasticity was measured, the glass transition temperature determined from ta ⁇ ⁇ was 82 ° C.
- the thermal expansion coefficient at 100 ° C. was 250 ppmZK.
- methyl phenyl vinyl was prepared in the same manner as Example 1.
- -An independent film consisting of a cured product of lysophoric acid xanthan resin was obtained.
- the light transmittance of this film was measured by Shimadzu spectrophotometer 3100 PC, and the light transmittance at 400 to 700 nm was 85% or more.
- the light transmittance of this film was measured using a polarizer, but no polarization dependence was observed.
- this film had no birefringence.
- the Young's modulus measured in the same manner as in Example 1 was 1.5 GPa, the flexural strength was 44 M Pa, and the force S was measured.
- the dynamic viscoelasticity was measured.
- the glass transition temperature determined from t a ⁇ ⁇ was 69 ° It was C.
- an ITO transparent layer was formed on the 100 m-thick independent film obtained in Example 3 to obtain a transparent laminated film.
- RF sputtering is used to We targeted O.
- the oxygen concentration was adjusted to 2 X 10_ 4 To rr, set the RF power to 500 W, and, were formed I TO layer while maintaining the film temperature to 60 ° C .
- the layer thickness was adjusted by changing the formation time of the inorganic compound layer, and four types of transparent laminates were prepared.
- the resistance values of the ITO layers of the four transparent laminated films were measured, and their absorption spectra were measured using a Shimadzu UV3100 PC. The results are shown in Figure 1.
- the absorption spectrum was measured again using the same device, but no change in the spectrum was observed.
- the obtained laminated film was immersed in boiling water for 2 hours, but the inorganic compound layer did not peel off. Also, no significant change was observed in both the force appearance and absorption spectrum heated at 200 ° C. for 16 hours.
- the transparent laminated film having the ITO layer was immersed in 6 N nitric acid, the ITO layer was removed, and the transparent layer composed of the methyl vinyl polysiloxane resin cured film was exposed.
- the infrared spectrum of the transparent layer is viewed with an infrared spectrophotometer, no change is observed. Also, no change in tensile strength was observed.
- Example 3 On the independent film of thickness' 100 ⁇ obtained in Example 3, a deposition of a silicon nitride film was performed by a catalytic CVD method. Deposition of 50 nm was performed under conditions of water cooling of the substrate holder, catalyst temperature 1840 ° C., deposition pressure 10 Pa, Si H 4 flow rate 10 sccm, NH 3 flow rate 20 sc cm, H 2 flow rate 400 sccm. When the catalyst-substrate distance is 100 mm, the film temperature during deposition is 170 ° C, but there is no cracking, peeling or bending of the film, and even if it is observed with an electron microscope, a uniform and defect-free deposited film was gotten.
- Example 1 Example 2
- Example 3 Example 4
- Example 5 'light transmittance (% rvc) 85
- ⁇ 85 85
- 85 85 85
- 85 85
- the independent film comprising the cured organopolysiloxane resin of the present invention is excellent in physical and mechanical properties, and can be used as an independent film, ie, an unsupported film. Since the independent film consisting of the cured organopolysilicone resin of the present invention is crosslinked, the heat resistance is high without the addition of a heat resistance imparting agent.
- the independent film made of the organopolysiloxane resin of the present invention is transparent in the visible light range, and has less birefringence. Moreover, it has an excellent feature that the light transmittance does not show polarization dependency. Therefore, it is particularly useful for applications requiring optical transparency, and has good optical properties that can cope with polarized light and coherent light. Furthermore, it is also possible to use as an optical element such as a wavelength filter, taking advantage of transparency in a wide wavelength range.
- the independent film consisting of the cured product of organopolysiloxane resin of the present invention has a hydrosilylation reaction between unsaturated aliphatic hydrocarbon group in component (A) and silicon-bonded hydrogen atom in component (B). It does not absorb ultraviolet light and has high stability to oxygen. Therefore, it is also possible to carry out a film forming treatment in the gas phase on the independent film consisting of the cured organopolysiloxane resin of the present invention.
- a film forming treatment in the gas phase on the independent film consisting of the cured organopolysiloxane resin of the present invention.
- high energy treatment such as sputtering in an atmosphere containing oxygen, but oxygen is excited and activated during the treatment. There is a case.
- the film is required to have high stability to active oxygen, but the independent film consisting of the cured product of organopolysiloxane resin of the present invention is stable under such film forming conditions. Therefore, the independent film consisting of the cured product of the organopolysiloxane resin of the present invention can be used as an optoelectronic device, for example, a transparent electrode substrate film. Moreover, the independent film consisting of the cured product of the organo-polychloroanthracene resin of the present invention is highly resistant because of its unique characteristics of the cross-linked polysiloxane having high heat resistance and high resistance to dielectric breakdown without using any additives. Also, it can be used for an electronic material for which an insulating property is required, such as a capacitor film.
- the independent film comprising the cured organopolysilicone resin of the present invention has good light transmittance not only in the visible light region, but also from the near ultraviolet region to the near infrared region, and has no birefringence. Yes, but it is extremely small. Therefore, a laminated film in which an inorganic layer is formed on an independent film made of the cured product of organopolysiloxane resin of the present invention uses a transparent electrode material as the inorganic layer. In such a case, it can be used, for example, as a transparent electrode film as a voltage application electrode of a thin display such as an electroluminescence display or a liquid crystal display.
- such a laminated film can also be used as a film type optical element such as various filters, reflectors, etc.
- a screen for antistatic, electromagnetic shielding, etc. it can also be used for applications such as
- the inorganic layer can have a function as an antireflective film by adjusting the refractive index.
- the independent film consisting of the cured product of the boroganopolysiloxane resin of the present invention has high chemical processing stability, a part of the inorganic layer is removed by performing etching of various types to form, for example, an electrode pattern. It is also possible to
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Abstract
Description
Claims
Priority Applications (3)
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EP20050741289 EP1749860A4 (en) | 2004-05-14 | 2005-05-13 | FREE FILMS MANUFACTURED FROM ORGANOPOLYSILOXANE RESINS, THEIR PRODUCTION PROCESS AND LAMINATED FILMS |
JP2006513639A JP5297589B2 (ja) | 2004-05-14 | 2005-05-13 | オルガノポリシロキサン樹脂硬化物からなる独立フィルム、その製造方法および積層フィルム |
US11/569,104 US7960030B2 (en) | 2004-05-14 | 2005-05-13 | Free films made of cured organopolysiloxane resins, process for production thereof, and laminated films |
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US (1) | US7960030B2 (ja) |
EP (1) | EP1749860A4 (ja) |
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CN101191019B (zh) * | 2006-11-29 | 2011-05-04 | 烟台大学 | 加成型交联硫化聚二硅氧烷弹性体 |
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JP2009173789A (ja) * | 2008-01-25 | 2009-08-06 | Momentive Performance Materials Inc | 光半導体封止用シリコーン組成物及びそれを用いた光半導体装置 |
JP2010036577A (ja) * | 2008-07-10 | 2010-02-18 | Dow Corning Toray Co Ltd | ガスバリアー性硬化オルガノポリシロキサン樹脂フィルム及びその製造方法 |
JP2013516337A (ja) * | 2010-01-07 | 2013-05-13 | 東レ・ダウコーニング株式会社 | ガスバリアー性硬化オルガノポリシロキサン樹脂フィルム及びその製造方法 |
WO2011083879A1 (en) | 2010-01-07 | 2011-07-14 | Dow Corning Toray Co., Ltd. | Cured organopolysiloxane resin film having gas barrier properties and method of producing the same |
US20120168780A1 (en) * | 2010-12-31 | 2012-07-05 | Sung-Hwan Cha | Resin for transparent encapsulation material, and associated encapsulation material and electronic device |
US8847414B2 (en) * | 2010-12-31 | 2014-09-30 | Cheil Industries, Inc. | Resin for transparent encapsulation material, and associated encapsulation material and electronic device |
US9147626B2 (en) | 2010-12-31 | 2015-09-29 | Cheil Industries, Inc. | Resin for transparent encapsulation material, and associated encapsulation material and electronic device |
JP2016500382A (ja) * | 2012-12-12 | 2016-01-12 | ワッカー ケミー アクチエンゲゼルシャフトWacker Chemie AG | 薄いシリコーンフィルムの製造 |
JP2021534295A (ja) * | 2018-08-17 | 2021-12-09 | ワッカー ケミー アクチエンゲゼルシャフトWacker Chemie AG | 架橋性オルガノシロキサン組成物 |
JP7203196B2 (ja) | 2018-08-17 | 2023-01-12 | ワッカー ケミー アクチエンゲゼルシャフト | 架橋性オルガノシロキサン組成物 |
CN110294940A (zh) * | 2019-06-28 | 2019-10-01 | 深圳市飞荣达科技股份有限公司 | 屏蔽衬垫及其制备方法 |
Also Published As
Publication number | Publication date |
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EP1749860A4 (en) | 2009-12-23 |
US7960030B2 (en) | 2011-06-14 |
JP5297589B2 (ja) | 2013-09-25 |
KR20070012553A (ko) | 2007-01-25 |
US20080318067A1 (en) | 2008-12-25 |
EP1749860A1 (en) | 2007-02-07 |
JPWO2005111149A1 (ja) | 2008-03-21 |
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