WO2013031656A1 - Adhesive sealing film, method for manufacturing adhesive sealing film, and coating liquid for adhesive sealing film - Google Patents
Adhesive sealing film, method for manufacturing adhesive sealing film, and coating liquid for adhesive sealing film Download PDFInfo
- Publication number
- WO2013031656A1 WO2013031656A1 PCT/JP2012/071362 JP2012071362W WO2013031656A1 WO 2013031656 A1 WO2013031656 A1 WO 2013031656A1 JP 2012071362 W JP2012071362 W JP 2012071362W WO 2013031656 A1 WO2013031656 A1 WO 2013031656A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sealing film
- adhesive sealing
- protons
- amount
- resin
- Prior art date
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- KIOWHOMJXAQSMW-UHFFFAOYSA-N phenol;4,6,6-trimethylbicyclo[3.1.1]hept-3-ene Chemical compound OC1=CC=CC=C1.CC1=CCC2C(C)(C)C1C2 KIOWHOMJXAQSMW-UHFFFAOYSA-N 0.000 description 1
- 239000002530 phenolic antioxidant Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
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- 239000004431 polycarbonate resin Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- SCUZVMOVTVSBLE-UHFFFAOYSA-N prop-2-enenitrile;styrene Chemical compound C=CC#N.C=CC1=CC=CC=C1 SCUZVMOVTVSBLE-UHFFFAOYSA-N 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
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- 238000001228 spectrum Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
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- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- UWHCKJMYHZGTIT-UHFFFAOYSA-N tetraethylene glycol Chemical compound OCCOCCOCCOCCO UWHCKJMYHZGTIT-UHFFFAOYSA-N 0.000 description 1
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- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
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- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000004034 viscosity adjusting agent Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C08L23/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefins
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08L23/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
-
- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L93/00—Compositions of natural resins; Compositions of derivatives thereof
- C08L93/04—Rosin
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
- C09J123/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C09J123/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
- C09J123/22—Copolymers of isobutene; Butyl rubber ; Homo- or copolymers of other iso-olefines
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- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
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- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
- H05B33/04—Sealing arrangements, e.g. against humidity
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
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- 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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/18—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms
- C08J2323/20—Homopolymers or copolymers of hydrocarbons having four or more carbon atoms having four to nine carbon atoms
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- C09J2203/00—Applications of adhesives in processes or use of adhesives in the form of films or foils
- C09J2203/326—Applications of adhesives in processes or use of adhesives in the form of films or foils for bonding electronic components such as wafers, chips or semiconductors
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09J2423/00—Presence of polyolefin
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Adhesives Or Adhesive Processes (AREA)
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Abstract
Description
(ここで、粘着付与樹脂における炭素二重結合含有量は、粘着付与樹脂を1H-NMR測定した時のすべてのプロトン量に対する、二重結合している炭素に結合したプロトン量の割合であり、以下の式で表される。
粘着付与樹脂における炭素二重結合含有量
=(粘着付与樹脂に含有される、二重結合している炭素に結合したプロトン量/粘着付与樹脂に含有されるすべてのプロトン量)×100
前記1H-NMR測定において、粘着付与樹脂に含有されるすべてのプロトン量は0.1~8.0ppmに観測されるプロトンのスペクトル面積の総和であり、二重結合している炭素に結合したプロトン量は4.6~8.0ppmに観測されるプロトンのスペクトル面積の総和である。) [1] An adhesive sealing film containing polyisobutylene having a number average molecular weight of 10,000 or more and a tackifying resin having a carbon double bond content of 1.6% or more and 50.0% or less.
(Here, the carbon double bond content in the tackifier resin is the ratio of the amount of protons bonded to the double-bonded carbon to the total amount of protons when the tackifier resin is measured by 1 H-NMR. Is represented by the following equation.
Carbon double bond content in tackifier resin = (amount of protons contained in tackifier resin bound to double-bonded carbon / amount of all protons contained in tackifier resin) x 100
In the 1 H-NMR measurement, the amount of all protons contained in the tackifier resin is the sum of the proton spectral areas observed at 0.1 to 8.0 ppm, and is bound to the double-bonded carbon. The amount of protons is the sum of the spectral areas of protons observed at 4.6 to 8.0 ppm. )
(ここで、接着性封止フィルムにおける炭素二重結合含有量は、接着性封止フィルムを1H-NMR測定した時のすべてのプロトン量に対する、二重結合している炭素に結合したプロトン量の割合であり、以下の式で表される。
接着性封止フィルムにおける炭素二重結合含有量
=(接着性封止フィルムに含有される、二重結合している炭素に結合したプロトン量/接着性封止フィルムに含有されるすべてのプロトン量)×100
前記1H-NMR測定において、接着性封止フィルムに含有されるすべてのプロトン量は0.1~8.0ppmに観測されるプロトンのスペクトル面積の総和であり、二重結合している炭素に結合したプロトン量は4.6~8.0ppmに観測されるプロトンのスペクトル面積の総和である。) [5] The adhesive sealing film according to any one of [1] to [4], wherein the carbon double bond content in the adhesive sealing film is 1.8% or more and 50.0% or less.
(Here, the carbon double bond content in the adhesive sealing film is the amount of protons bonded to the double-bonded carbon relative to the total amount of protons when the adhesive sealing film is measured by 1 H-NMR. The ratio is expressed by the following formula.
Carbon double bond content in adhesive sealing film = (Amount of protons contained in adhesive sealing film bound to double-bonded carbon / Amount of all protons contained in adhesive sealing film ) × 100
In the 1 H-NMR measurement, the total amount of protons contained in the adhesive sealing film is the sum of the proton spectral areas observed at 0.1 to 8.0 ppm, The amount of protons bound is the sum of the spectral areas of protons observed at 4.6 to 8.0 ppm. )
(ここで、粘着付与樹脂における炭素二重結合含有量は、粘着付与樹脂を1H-NMR測定した時のすべてのプロトン量に対する、二重結合している炭素に結合したプロトン量の割合であり、以下の式で表される。
粘着付与樹脂における炭素二重結合含有量
=(粘着付与樹脂に含有される、二重結合している炭素に結合したプロトン量/粘着付与樹脂に含有されるすべてのプロトン量)×100
前記1H-NMR測定において、粘着付与樹脂に含有されるすべてのプロトン量は0.1~8.0ppmに観測されるプロトンのスペクトル面積の総和であり、二重結合している炭素に結合したプロトン量は4.6~8.0ppmに観測されるプロトンのスペクトル面積の総和である。) [8] A method for producing the adhesive sealing film according to any one of [1] to [7], wherein the polyisobutylene having a number average molecular weight of 10,000 or more and a carbon double bond content are 1. The manufacturing method of the adhesive sealing film which dries after apply | coating the coating liquid for adhesive sealing films containing 6% or more and 50.0% or less tackifying resin on a base material.
(Here, the carbon double bond content in the tackifier resin is the ratio of the amount of protons bonded to the double-bonded carbon to the total amount of protons when the tackifier resin is measured by 1 H-NMR. Is represented by the following equation.
Carbon double bond content in tackifier resin = (amount of protons contained in tackifier resin bound to double-bonded carbon / amount of all protons contained in tackifier resin) x 100
In the 1 H-NMR measurement, the amount of all protons contained in the tackifier resin is the sum of the proton spectral areas observed at 0.1 to 8.0 ppm, and is bound to the double-bonded carbon. The amount of protons is the sum of the spectral areas of protons observed at 4.6 to 8.0 ppm. )
(ここで、粘着付与樹脂における炭素二重結合含有量は、粘着付与樹脂を1H-NMR測定した時のすべてのプロトン量に対する、二重結合している炭素に結合したプロトン量の割合であり、以下の式で表される。
粘着付与樹脂における炭素二重結合含有量
=(粘着付与樹脂に含有される、二重結合している炭素に結合したプロトン量/粘着付与樹脂に含有されるすべてのプロトン量)×100
前記1H-NMR測定において、粘着付与樹脂に含有されるすべてのプロトン量は0.1~8.0ppmに観測されるプロトンのスペクトル面積の総和であり、二重結合している炭素に結合したプロトン量は4.6~8.0ppmに観測されるプロトンのスペクトル面積の総和である。) [9] A coating solution for an adhesive sealing film comprising polyisobutylene having a number average molecular weight of 10,000 or more and a tackifying resin having a carbon double bond content of 1.6% or more and 50.0% or less. Then, a coating liquid for an adhesive sealing film for producing the adhesive sealing film according to any one of [1] to [7] by drying after coating on a substrate.
(Here, the carbon double bond content in the tackifier resin is the ratio of the amount of protons bonded to the double-bonded carbon to the total amount of protons when the tackifier resin is measured by 1 H-NMR. Is represented by the following equation.
Carbon double bond content in tackifier resin = (amount of protons contained in tackifier resin bound to double-bonded carbon / amount of all protons contained in tackifier resin) x 100
In the 1 H-NMR measurement, the amount of all protons contained in the tackifier resin is the sum of the proton spectral areas observed at 0.1 to 8.0 ppm, and is bound to the double-bonded carbon. The amount of protons is the sum of the spectral areas of protons observed at 4.6 to 8.0 ppm. )
(ここで、接着性封止フィルム用塗布液の固形分とは、接着性封止フィルム用塗布液から溶媒を除去したものである。接着性封止フィルム用塗布液の固形分における炭素二重結合の含有量は、かかる固形分を1H-NMR測定した時のすべてのプロトン量に対する、二重結合している炭素に結合したプロトン量の割合であり、以下の式で表される。
接着性封止フィルム用塗布液の固形分における炭素二重結合含有量
=(接着性封止フィルム用塗布液に含有される、二重結合している炭素に結合したプロトン量/接着性封止フィルム用塗布液の固形分に含有されるすべてのプロトン量)×100
前記1H-NMR測定において、固形分に含有されるすべてのプロトン量は0.1~8.0ppmに観測されるプロトンのスペクトル面積の総和であり、二重結合している炭素に結合したプロトン量は4.6~8.0ppmに観測されるプロトンのスペクトル面積の総和である。) [11] The coating solution for adhesive sealing film according to [9] or [10], wherein the carbon double bond content in the solid content of the coating solution for adhesive sealing film is 1.8 to 50.0%. .
(Here, the solid content of the coating solution for the adhesive sealing film is obtained by removing the solvent from the coating solution for the adhesive sealing film. The carbon double in the solid content of the coating solution for the adhesive sealing film) The bond content is the ratio of the amount of protons bound to double-bonded carbon to the total amount of protons when the solid content is measured by 1 H-NMR, and is represented by the following formula.
Carbon double bond content in solid content of coating solution for adhesive sealing film = (Proton amount bonded to double-bonded carbon contained in coating solution for adhesive sealing film / adhesive sealing) 100% of all protons contained in the solid content of the coating solution for film)
In the 1 H-NMR measurement, the amount of all protons contained in the solid content is the sum of the proton spectral areas observed at 0.1 to 8.0 ppm, and the protons bonded to the double-bonded carbon The amount is the sum of the proton spectral areas observed at 4.6-8.0 ppm. )
本発明の接着性封止フィルムは、有機又は無機エレクトロルミネッセンス、太陽電池、ディスプレイ等、各種電気デバイス用接着性封止フィルムに適用可能である。 ADVANTAGE OF THE INVENTION According to this invention, high moisture barrier property and high adhesiveness are made compatible, and also the highly durable adhesive sealing film and its coating liquid are provided.
The adhesive sealing film of the present invention can be applied to adhesive sealing films for various electric devices such as organic or inorganic electroluminescence, solar cells, and displays.
本発明の接着性封止フィルム用塗布液は、本発明の接着性封止フィルムを製造するための塗布液であって、通常、溶媒、ポリイソブチレン、粘着付与樹脂、およびその他の成分を含有する。 [Coating liquid for adhesive sealing film]
The coating solution for an adhesive sealing film of the present invention is a coating solution for producing the adhesive sealing film of the present invention, and usually contains a solvent, a polyisobutylene, a tackifying resin, and other components. .
本発明で用いるポリイソブチレンの数平均分子量は通常1万以上、好ましくは5万以上、さらに好ましくは7万以上、特に好ましくは10万以上で、通常100万以下、好ましくは50万以下、より好ましくは25万以下、特に好ましくは20万以下である。
ポリイソブチレンの数平均分子量が上記下限以上であると、クリープ抵抗が向上し、長期使用するデバイスへの適用の面で好ましい。一方、ポリイソブチレンの数平均分子量が上記上限以下であると、接着性が向上するため好ましい。ここで、ポリイソブチレンの数平均分子量はゲル透過クロマトグラフィー(GPC)法を用い、ポリスチレン換算により求めることができる。 <Polyisobutylene>
The number average molecular weight of the polyisobutylene used in the present invention is usually 10,000 or more, preferably 50,000 or more, more preferably 70,000 or more, particularly preferably 100,000 or more, and usually 1,000,000 or less, preferably 500,000 or less, more preferably Is 250,000 or less, particularly preferably 200,000 or less.
When the number average molecular weight of the polyisobutylene is not less than the above lower limit, creep resistance is improved, which is preferable in terms of application to a device to be used for a long time. On the other hand, when the number average molecular weight of the polyisobutylene is not more than the above upper limit, the adhesiveness is improved, which is preferable. Here, the number average molecular weight of polyisobutylene can be determined by polystyrene conversion using a gel permeation chromatography (GPC) method.
粘着付与樹脂は、本発明の封止フィルムにおいて、ポリイソブチレンの接着力および粘着力を向上させる樹脂を言う。 <Tackifying resin>
The tackifying resin refers to a resin that improves the adhesive strength and adhesive strength of polyisobutylene in the sealing film of the present invention.
ロジン系樹脂としては、ガムロジン、ウッドロジン、トール油ロジン、ロジン変性マレイン酸樹脂、重合ロジン、ロジンフェノール、ロジンエステル、水添ロジンが挙げられる。
テルペン系樹脂として具体的には、テルペン樹脂、テルペンフェノール樹脂、芳香族変性テルペン樹脂、水添テルペン樹脂が挙げられる。テルペン樹脂は、α-ピネン、β-ピネンおよびジペンテン(リモネン)のいずれかを単独で重合、または混合物を共重合したものである。テルペンフェノール樹脂は、テルペンとフェノールの共重合体であり、α-ピネンフェノール樹脂、ジペンテンフェノール樹脂、テルペンビスジェノール樹脂等が挙げられる。芳香族変性テルペン樹脂は、テルペンモノマーと芳香族モノマーを共重合したものである。水添テルペン樹脂は、テルペン樹脂、テルペンフェノール樹脂、芳香族変性テルペン樹脂を水素添加したものである。
脂肪族系石油樹脂としては、ピペリレン、イソプレン、2-メチルブテン-2、ジシクロペンタジエン等C5石油樹脂を単独で重合、または混合物を共重合したものが挙げられる。
芳香族系石油樹脂としては、クマロン系樹脂、インデン系樹脂、水添クマロン樹脂、水添インデン系樹脂、フェノール系樹脂、スチレン系樹脂、水添スチレン系樹脂、キシレン系樹脂が挙げられる。クマロン系樹脂はクマロンとスチレン、ビニルトルエン、α―メチルスチレンのいずれかを共重合、または混合物を共重合したものである。インデン樹脂はインデンとスチレン、ビニルトルエン、α―メチルスチレンのいずれかを共重合、または混合物を共重合したものである。水添クマロン樹脂はクマロン樹脂を水素添加したものである。水添インデン樹脂はインデン樹脂を水素添加したものである。フェノール樹脂はフェノール類とアルデヒド類を共重合したものである。スチレン系樹脂はアクリロニトリルブタジエンスチレン共重合体、アクリロニトリルスチレン共重合体、スチレン系熱可塑性エラストマーが挙げられる。スチレン系熱可塑性エラストマーはポリスチレンブロックとゴム中間ブロックを有し、中間のゴムブロックはポリブタジエン、ポリエチレン・ブチレン共重合体、エチレン・プロピレン共重合体、ビニル・ポリイソプレン共重合体が挙げられる。水添スチレン樹脂はスチレン樹脂を水素添加したものである。キシレン系樹脂はm-キシレンとホルムアルデヒドを共重合したものである。
脂肪族/芳香族混成石油樹脂は、脂肪族/芳香族混成石油樹脂、水添脂肪族/芳香族混成石油樹脂が挙げられる。脂肪族/芳香族混成石油樹脂はイソプレン、ピペリレン、2-メチル-1-ブテン、2-メチル-2-ブテン、スチレン、ビニルトルエン、α―メチルスチレン、インデン、ジシクロペンタジエンのいずれかまたは混合物を共重合したものである。水添脂肪族/芳香族混成石油樹脂は脂肪族/芳香族混成石油樹脂を水素添加したものである。
脂環式系石油樹脂としては、ジシクロペンタジエン系樹脂、水添ジシクロペンタジエン系樹脂が挙げられる。ジシクロペンタジエン系樹脂は、ジシクロペンタジエンと、スチレン、ブタジエン、ペンタジエン、酢酸ビニル、無水マレイン酸、フェノールのいずれかを共重合、または混合物を共重合したものである。水添ジシクロペンタジエン樹脂は、ジシクロペンジエン樹脂を水素添加したものである。
粘着付与樹脂は、水素添加されていてもよい。
これらの粘着付与樹脂は1種を単独で用いても、2種類以上を組み合わせて使用してもよい。 Examples of the tackifier resin include rosin resins, terpene resins, aliphatic petroleum resins, aromatic petroleum resins, aliphatic / aromatic hybrid petroleum resins, and alicyclic petroleum resins.
Examples of rosin resins include gum rosin, wood rosin, tall oil rosin, rosin-modified maleic resin, polymerized rosin, rosin phenol, rosin ester, and hydrogenated rosin.
Specific examples of the terpene resin include terpene resins, terpene phenol resins, aromatic modified terpene resins, and hydrogenated terpene resins. The terpene resin is obtained by polymerizing any one of α-pinene, β-pinene and dipentene (limonene), or copolymerizing a mixture. The terpene phenol resin is a copolymer of terpene and phenol, and examples thereof include α-pinene phenol resin, dipentene phenol resin, and terpene bisgenol resin. The aromatic modified terpene resin is obtained by copolymerizing a terpene monomer and an aromatic monomer. The hydrogenated terpene resin is obtained by hydrogenating a terpene resin, a terpene phenol resin, or an aromatic modified terpene resin.
Examples of the aliphatic petroleum resin include those obtained by polymerizing a C5 petroleum resin such as piperylene, isoprene, 2-methylbutene-2, dicyclopentadiene alone, or copolymerizing a mixture.
Examples of the aromatic petroleum resins include coumarone resins, inden resins, hydrogenated coumarone resins, hydrogenated inden resins, phenol resins, styrene resins, hydrogenated styrene resins, and xylene resins. The coumarone resin is obtained by copolymerizing coumarone and any one of styrene, vinyltoluene, and α-methylstyrene, or by copolymerizing a mixture. The indene resin is obtained by copolymerizing indene and any of styrene, vinyltoluene, and α-methylstyrene, or by copolymerizing a mixture. Hydrogenated coumarone resin is a hydrogenated coumarone resin. Hydrogenated indene resin is a hydrogenated indene resin. The phenol resin is a copolymer of phenols and aldehydes. Examples of the styrene resin include acrylonitrile butadiene styrene copolymer, acrylonitrile styrene copolymer, and styrene thermoplastic elastomer. The styrenic thermoplastic elastomer has a polystyrene block and a rubber intermediate block, and examples of the intermediate rubber block include polybutadiene, a polyethylene / butylene copolymer, an ethylene / propylene copolymer, and a vinyl / polyisoprene copolymer. Hydrogenated styrene resin is a hydrogenated styrene resin. The xylene-based resin is a copolymer of m-xylene and formaldehyde.
Examples of the aliphatic / aromatic hybrid petroleum resin include an aliphatic / aromatic hybrid petroleum resin and a hydrogenated aliphatic / aromatic hybrid petroleum resin. The mixed aliphatic / aromatic petroleum resin is isoprene, piperylene, 2-methyl-1-butene, 2-methyl-2-butene, styrene, vinyltoluene, α-methylstyrene, indene, dicyclopentadiene or a mixture thereof. Copolymerized. Hydrogenated aliphatic / aromatic hybrid petroleum resin is a hydrogenated aliphatic / aromatic hybrid petroleum resin.
Examples of the alicyclic petroleum resin include dicyclopentadiene resin and hydrogenated dicyclopentadiene resin. The dicyclopentadiene resin is obtained by copolymerizing dicyclopentadiene and any one of styrene, butadiene, pentadiene, vinyl acetate, maleic anhydride, and phenol, or a mixture thereof. Hydrogenated dicyclopentadiene resin is obtained by hydrogenating dicyclopentadiene resin.
The tackifying resin may be hydrogenated.
These tackifier resins may be used alone or in combination of two or more.
炭素二重結合含有量が上記上限以下である場合、耐候性が向上するため好ましい。 The carbon double bond content of the tackifying resin is usually 1.6% or more, preferably 2.0% or more, more preferably 5.0% or more, still more preferably 8.0% or more, usually 50.0%. Hereinafter, it is preferably 40.0% or less, more preferably 30.0% or less, further preferably 25.0% or less, and particularly preferably 15.0% or less. When the carbon double bond content is not less than the above lower limit, the adhesiveness is improved, which is preferable.
It is preferable that the carbon double bond content is not more than the above upper limit because weather resistance is improved.
粘着付与樹脂における炭素二重結合含有量
=(粘着付与樹脂に含有される、二重結合している炭素に結合したプロトン量/粘着付与樹脂に含有されるすべてのプロトン量)×100
上記1H-NMR測定において、粘着付与樹脂に含有されるすべてのプロトン量は0.1~8.0ppmに観測されるプロトンのスペクトル面積の総和であり、二重結合している炭素に結合したプロトン量は4.6~8.0ppmに観測されるプロトンのスペクトル面積の総和である。 Here, the carbon double bond content in the tackifying resin is the ratio of the amount of protons bonded to the carbon having double bonds to the total amount of protons when the tackifying resin is measured by 1 H-NMR, It is expressed by the following formula.
Carbon double bond content in tackifier resin = (amount of protons contained in tackifier resin bound to double-bonded carbon / amount of all protons contained in tackifier resin) x 100
In the above 1 H-NMR measurement, the amount of all protons contained in the tackifying resin is the sum of the proton spectral areas observed at 0.1 to 8.0 ppm, and is bound to the double-bonded carbon. The amount of protons is the sum of the spectral areas of protons observed at 4.6 to 8.0 ppm.
接着性封止フィルム用塗布液の溶媒は、接着性封止フィルムに含有されるポリイソブチレン、粘着付与樹脂を溶解するものであれば、公知のものが使用でき、水、有機溶媒、又はその混合溶媒であってもよい。有機溶媒としては、メチルアルコール、エチルアルコール、n-プロピルアルコール、i-プロピルアルコール、ブチルアルコール、メチルセルソルブ、ブチルセルソルブなどのアルコール類、酢酸エチル、酢酸ブチル、プロピレングリコールモノメチルエーテルアセテート、プロピレングリコールモノエチルエーテルアセテートなどのエステル類、ジエチルエーテル、プロピレングリコールモノメチルエーテル、プロピレングリコールモノエチルエーテル、エチレングリコールモノエチルエーテルなどのエーテル類、ジメチルホルムアミド、N-メチルピロリドンなどのアミド類、アセトン、メチルエチルケトン、アセチルアセトン、シクロヘキサノンなどのケトン類、ベンゼン、トルエン、キシレンなどの芳香族炭化水素類、ヘプタン、ヘキサン、ペンタン、デカン、シクロヘキサンなどの脂肪族炭化水素類など公知の有機溶媒を使用することができる。これらは1種を単独で用いてもよく、2種以上を併用してもよい。 <Solvent>
As the solvent of the coating solution for the adhesive sealing film, any known one can be used as long as it dissolves the polyisobutylene and tackifying resin contained in the adhesive sealing film, and water, an organic solvent, or a mixture thereof can be used. It may be a solvent. Organic solvents include alcohols such as methyl alcohol, ethyl alcohol, n-propyl alcohol, i-propyl alcohol, butyl alcohol, methyl cellosolve, butyl cellosolve, ethyl acetate, butyl acetate, propylene glycol monomethyl ether acetate, propylene glycol Esters such as monoethyl ether acetate, ethers such as diethyl ether, propylene glycol monomethyl ether, propylene glycol monoethyl ether, ethylene glycol monoethyl ether, amides such as dimethylformamide and N-methylpyrrolidone, acetone, methyl ethyl ketone, acetylacetone , Ketones such as cyclohexanone, aromatic hydrocarbons such as benzene, toluene, xylene, heptane, Hexane, pentane, it can be used decane, known organic solvents such as aliphatic hydrocarbons such as cyclohexane. These may be used alone or in combination of two or more.
接着性封止フィルム用塗布液には、軟化剤(可塑剤)、腐食防止剤、熱安定剤、紫外線吸収剤、赤外線吸収剤、着色剤、酸化防止剤、防カビ剤、pH調整剤、難燃剤、結晶核剤、導電性粒子、無機粒子、有機粒子、粘度調整剤、滑剤、表面処理剤、レベリング剤、架橋剤、消泡剤、重合性単量体、光重合性開始剤等、更なる機能付与を目的として、各種成分が含まれていてもよい。 <Other ingredients>
Softener (plasticizer), corrosion inhibitor, heat stabilizer, ultraviolet absorber, infrared absorber, colorant, antioxidant, antifungal agent, pH adjuster, difficult Flame retardants, crystal nucleating agents, conductive particles, inorganic particles, organic particles, viscosity modifiers, lubricants, surface treatment agents, leveling agents, crosslinking agents, antifoaming agents, polymerizable monomers, photopolymerizable initiators, etc. Various components may be included for the purpose of providing a function.
接着性封止フィルム用塗布液の固形分濃度は、通常1重量%以上、好ましくは10重量%以上、より好ましくは20重量%、さらに好ましくは30重量%以上で、通常99.99重量%以下、好ましくは80重量%以下、より好ましくは50重量%以下である。固形分濃度が上記下限以上である場合、所望の膜厚の接着性封止フィルムが得られることから、封止性能の観点で好ましい。固形分濃度が上記上限以下である場合、高分子量ポリイソブチレンをエラストマーとして用いることができ、また、耐熱性の高い基材に制限されずに接着性封止フィルムを製造できる観点から好ましい。 <Coating solution composition>
The solid content concentration of the coating solution for adhesive sealing film is usually 1% by weight or more, preferably 10% by weight or more, more preferably 20% by weight, still more preferably 30% by weight or more, and usually 99.99% by weight or less. , Preferably 80% by weight or less, more preferably 50% by weight or less. When solid content concentration is more than the said minimum, since the adhesive sealing film of a desired film thickness is obtained, it is preferable from a viewpoint of sealing performance. When solid content concentration is below the said upper limit, it is preferable from a viewpoint which can use high molecular weight polyisobutylene as an elastomer and can manufacture an adhesive sealing film, without being restrict | limited to a highly heat-resistant base material.
接着性封止フィルム用塗布液の固形分における炭素二重結合の含有量は通常1.8%以上、好ましくは2.0%以上、より好ましくは3.0%以上、さらに好ましくは4.0%以上で、通常50.0%以下、好ましくは40.0%以下、より好ましくは30.0%以下、さらに好ましくは20.0%以下、とりわけ好ましくは10.0%以下である。接着性封止フィルム用塗布液の固形分における炭素二重結合の含有量が上記下限以上である場合、接着性が向上するため好ましい。接着性封止フィルム用塗布液の固形分における炭素二重結合の含有量が上記上限以下である場合、耐久性が向上するため好ましい。 <Carbon double bond content>
The content of carbon double bonds in the solid content of the coating solution for adhesive sealing film is usually 1.8% or more, preferably 2.0% or more, more preferably 3.0% or more, and further preferably 4.0. % Or more, usually 50.0% or less, preferably 40.0% or less, more preferably 30.0% or less, still more preferably 20.0% or less, and particularly preferably 10.0% or less. When the content of the carbon double bond in the solid content of the coating liquid for adhesive sealing film is not less than the above lower limit, it is preferable because the adhesiveness is improved. When the content of the carbon double bond in the solid content of the coating solution for adhesive sealing film is not more than the above upper limit, it is preferable because durability is improved.
接着性封止フィルム用塗布液の固形分における炭素二重結合含有量
=(接着性封止フィルム用塗布液に含有される、二重結合している炭素に結合したプロトン量/接着性封止フィルム用塗布液の固形分に含有されるすべてのプロトン量)×100
上記1H-NMR測定において、固形分に含有されるすべてのプロトン量は0.1~8.0ppmに観測されるプロトンのスペクトル面積の総和であり、二重結合している炭素に結合したプロトン量は4.6~8.0ppmに観測されるプロトンのスペクトル面積の総和である。 Here, the content of the carbon double bond in the solid content of the coating solution for adhesive sealing film is the same as the carbon having double bonds with respect to the total amount of protons when the solid content is measured by 1 H-NMR. It is the ratio of the amount of protons bound, and is represented by the following formula.
Carbon double bond content in solid content of coating solution for adhesive sealing film = (Proton amount bonded to double-bonded carbon contained in coating solution for adhesive sealing film / adhesive sealing) 100% of all protons contained in the solid content of the coating solution for film)
In the above 1 H-NMR measurement, the amount of all protons contained in the solid content is the sum of the proton spectrum areas observed at 0.1 to 8.0 ppm, and protons bonded to double-bonded carbon The amount is the sum of the proton spectral areas observed at 4.6-8.0 ppm.
本発明における接着性封止フィルムは、数平均分子量1万以上のポリイソブチレンと、炭素二重結合を1.6~50.0%含有する粘着付与樹脂を含有していることを特徴とする、接着性を有する封止フィルムである。本発明における接着性封止フィルムは、特に、有機エレクトロルミネッセンス素子の所望の場所に、接着剤を用いることなく貼り付けて使用することができ、また、所望の場所を充填することが可能である。 [Adhesive sealing film]
The adhesive sealing film in the present invention is characterized by containing a polyisobutylene having a number average molecular weight of 10,000 or more and a tackifying resin containing 1.6 to 50.0% of carbon double bonds. It is a sealing film having adhesiveness. In particular, the adhesive sealing film in the present invention can be used by being attached to a desired location of the organic electroluminescence element without using an adhesive, and can be filled in the desired location. .
接着性封止フィルムにおける炭素二重結合含有量は通常1.8%以上、好ましくは2.0%以上、より好ましくは3.0%以上、さらに好ましくは4.0%以上で、通常50.0%以下、好ましくは40.0%以下、より好ましくは30.0%以下、さらに好ましくは20.0%以下、とりわけ好ましくは10.0%以下である。接着性封止フィルムにおける炭素二重結合含有量が上記下限以上である場合、接着性が向上するため好ましい。接着性封止フィルムにおける炭素二重結合含有量が上記上限以下である場合、耐久性が向上するため好ましい。 <Carbon double bond content>
The carbon double bond content in the adhesive sealing film is usually 1.8% or more, preferably 2.0% or more, more preferably 3.0% or more, still more preferably 4.0% or more, and usually 50. It is 0% or less, preferably 40.0% or less, more preferably 30.0% or less, further preferably 20.0% or less, and particularly preferably 10.0% or less. When the carbon double bond content in the adhesive sealing film is not less than the above lower limit, it is preferable because the adhesiveness is improved. When the carbon double bond content in the adhesive sealing film is not more than the above upper limit, it is preferable because durability is improved.
接着性封止フィルムにおける炭素二重結合含有量
=(接着性封止フィルムに含有される、二重結合している炭素に結合したプロトン量/接着性封止フィルムに含有されるすべてのプロトン量)×100
上記1H-NMR測定において、接着性封止フィルムに含有されるすべてのプロトン量は0.1~8.0ppmに観測されるプロトンのスペクトル面積の総和であり、二重結合している炭素に結合したプロトン量は4.6~8.0ppmに観測されるプロトンのスペクトル面積の総和である。 Here, the carbon double bond content in the adhesive sealing film is the amount of protons bonded to the double-bonded carbon with respect to all protons when the adhesive sealing film is measured by 1 H-NMR. It is a ratio and is represented by the following formula.
Carbon double bond content in adhesive sealing film = (Amount of protons contained in adhesive sealing film bound to double-bonded carbon / Amount of all protons contained in adhesive sealing film ) × 100
In the 1 H-NMR measurement, the amount of all protons contained in the adhesive sealing film is the sum of the proton spectral areas observed at 0.1 to 8.0 ppm, The amount of protons bound is the sum of the spectral areas of protons observed at 4.6 to 8.0 ppm.
本発明の接着性封止フィルムは、前述の本発明の接着性封止フィルム用塗布液を用いて製造することができ、本発明の接着性封止フィルム用塗布液中の溶媒以外の成分、即ち、数平均分子量1万以上のポリイソブチレン、炭素二重結合を含有する粘着付与樹脂、更に必要に応じて接着性封止フィルム用塗布液に含まれる前述の成分から構成され、好適な数平均分子量1万以上のポリイソブチレン、炭素二重結合を含有する粘着付与樹脂、その他の成分等はそれぞれ接着性封止フィルム用塗布液に含有されるものとして記載したものと同様である。また、接着性封止フィルムに含有される数平均分子量1万以上のポリイソブチレン、炭素二重結合を含有する粘着付与樹脂、必要に応じて用いられる成分の組成は、前述の本発明の接着性封止フィルム用塗布液の溶媒以外の固形分の組成と同様である。 <Composition>
The adhesive sealing film of the present invention can be produced using the aforementioned coating liquid for adhesive sealing film of the present invention, and the components other than the solvent in the coating liquid for adhesive sealing film of the present invention, That is, it is composed of a polyisobutylene having a number average molecular weight of 10,000 or more, a tackifier resin containing a carbon double bond, and, if necessary, the above-mentioned components contained in a coating solution for an adhesive sealing film, and a suitable number average Polyisobutylene having a molecular weight of 10,000 or more, a tackifier resin containing a carbon double bond, and other components are the same as those described as those contained in the adhesive sealing film coating solution. In addition, the composition of the polyisobutylene having a number average molecular weight of 10,000 or more contained in the adhesive sealing film, a tackifier resin containing a carbon double bond, and components used as necessary is the adhesive property of the present invention described above. It is the same as that of composition of solid content other than the solvent of the coating liquid for sealing films.
接着性封止フィルムの膜厚は、通常1μm以上、好ましくは10μm以上、より好ましくは20μm以上で、通常1mm以下、好ましくは500μm以下、より好ましくは300μm以下、さらに好ましくは100μm以下である。膜厚が上記下限以上である場合、水分バリア性が向上するため好ましい。膜厚が上記上限以下である場合、適用されるデバイスが制限されない観点で好ましい。 <Film thickness>
The film thickness of the adhesive sealing film is usually 1 μm or more, preferably 10 μm or more, more preferably 20 μm or more, and usually 1 mm or less, preferably 500 μm or less, more preferably 300 μm or less, and even more preferably 100 μm or less. When the film thickness is at least the above lower limit, the moisture barrier property is improved, which is preferable. When a film thickness is below the said upper limit, it is preferable from a viewpoint which the device applied is not restrict | limited.
接着性封止フィルムのガラス転移温度は通常-50℃以上、好ましくは-30℃以上、より好ましくは-20℃以上、さらに好ましくは-10℃以上、特に好ましくは0℃以上で、通常200℃以下、好ましくは150℃以下、より好ましくは100℃以下、さらに好ましくは80℃以下、特に好ましくは50℃以下である。ガラス転移温度が上記下限以上である場合、上記上限以下である場合ともに、接着性を向上することができ、好ましい。 <Glass transition temperature>
The glass transition temperature of the adhesive sealing film is usually −50 ° C. or higher, preferably −30 ° C. or higher, more preferably −20 ° C. or higher, further preferably −10 ° C. or higher, particularly preferably 0 ° C. or higher, usually 200 ° C. The temperature is preferably 150 ° C. or lower, more preferably 100 ° C. or lower, still more preferably 80 ° C. or lower, and particularly preferably 50 ° C. or lower. When the glass transition temperature is equal to or higher than the lower limit, the adhesiveness can be improved in both cases where the glass transition temperature is equal to or lower than the upper limit.
接着性封止フィルムの-20~50℃における貯蔵弾性率の最小値は通常1×109Pa以下、好ましくは8×108Pa以下で、通常1×103Pa以上、好ましくは1×104Pa以上である。接着性封止フィルムの-20~50℃における貯蔵弾性率の最小値が上記下限以上である場合、接着性封止フィルムを長期使用するデバイスへ適用することができ、好ましい。また、接着性を向上することができることから好ましい。接着性封止フィルムの-20~50℃における貯蔵弾性率の最小値が上記上限以下である場合、接着性を向上することができ、好ましい。 <Storage modulus>
The minimum value of the storage elastic modulus at −20 to 50 ° C. of the adhesive sealing film is usually 1 × 10 9 Pa or less, preferably 8 × 10 8 Pa or less, usually 1 × 10 3 Pa or more, preferably 1 × 10. 4 Pa or more. When the minimum value of the storage elastic modulus at −20 to 50 ° C. of the adhesive sealing film is not less than the above lower limit, the adhesive sealing film can be applied to a device for long-term use, which is preferable. Moreover, since adhesiveness can be improved, it is preferable. When the minimum value of the storage elastic modulus at −20 to 50 ° C. of the adhesive sealing film is not more than the above upper limit, the adhesiveness can be improved, which is preferable.
接着性封止フィルムの引張せん断接着力は通常50N/100mm2以上、好ましくは100N/100mm2以上、より好ましくは200N/100mm2以上で、通常10000N/100mm2以下である。引張せん断接着力が上記下限以上である場合、接着性が高いことから好ましい。引張せん断接着力が上記上限以下である場合、リサイクルの観点で好ましい。 <Tensile shear adhesive strength>
Tensile shear adhesive strength of the adhesive encapsulating film typically 50 N / 100 mm 2 or more, preferably 100 N / 100 mm 2 or more, more preferably 200 N / 100 mm 2 or more and usually 10000 N / 100 mm 2 or less. When the tensile shear adhesive strength is not less than the above lower limit, it is preferable because the adhesiveness is high. When the tensile shear adhesive strength is not more than the above upper limit, it is preferable from the viewpoint of recycling.
試験板をアルミニウム板(10cm×3cm×1mm)とし、接着性封止フィルム(15mm×15mm×50μm)を挟んだ試験板をクリップで挟み、100℃で20分間加熱することにより接着性封止フィルムを試験板に圧着する。接着性封止フィルム圧着後の試験板を、試験環境23℃、50%RH、チャック間距離10cmの条件で、引張試験機を用い、50mm/minの引張速度における引張せん断接着力を測定する。 The tensile shear adhesive force of the adhesive sealing film is measured by the following method.
The test plate is an aluminum plate (10 cm × 3 cm × 1 mm), the test plate sandwiched with an adhesive sealing film (15 mm × 15 mm × 50 μm) is sandwiched between clips, and heated at 100 ° C. for 20 minutes to form an adhesive sealing film Is crimped onto the test plate. The test plate after pressure-bonding the adhesive sealing film is measured for tensile shear adhesive strength at a tensile speed of 50 mm / min using a tensile tester under conditions of a test environment of 23 ° C., 50% RH, and a distance between chucks of 10 cm.
接着性封止フィルムについて、以下の方法で測定された透湿度は、通常30g・m-2・24h-1以上、好ましくは40g・m-2・24h-1以上で、通常100g・m-2・24h-1以下、好ましくは80g・m-2・24h-1以下、より好ましくは60g・m-2・24h-1以下である。透湿度が上記上限以下である場合、水分バリア性を向上することができ、好ましい。透湿度が上記下限以上である場合、接着性封止フィルムにおける炭素二重結合含有量を高めることができ、接着性向上の観点から好ましい。 <Moisture permeability>
For the adhesive sealing film, the moisture permeability measured by the following method is usually 30 g · m −2 · 24 h −1 or more, preferably 40 g · m −2 · 24 h −1 or more, usually 100 g · m −2. • 24 h −1 or less, preferably 80 g · m −2 • 24 h −1 or less, more preferably 60 g · m −2 • 24 h −1 or less. When the moisture permeability is not more than the above upper limit, the moisture barrier property can be improved, which is preferable. When the moisture permeability is at least the above lower limit, the carbon double bond content in the adhesive sealing film can be increased, which is preferable from the viewpoint of improving the adhesiveness.
直径1.2cmの円形の接着性封止フィルム(膜厚25μm)を直径1.2cmの円形にカットした2枚の剥離PET(ポリエチレンテレフタレート)フィルム(MRV38、厚み38μm、三菱樹脂株式会社製)で挟み、積層体Aを作製する。この積層体Aをシリンジバイアル(シリンジバイアル、Model CV-5、株式会社マルエム製)の蓋(ホールキャップ)にセットし、シリンジバイアル内には無水塩化カルシウム粒子(粒径3~5mm、国産化学株式会社)を2g入れ、透湿度測定用サンプルを作製する。透湿度測定用サンプルを60℃、95%RHの雰囲気下に置き、24時間、72時間後の重量を測定し、24時間~72時間後において、24時間当たりの重量増加量を接着性封止フィルム面積で除して、積層体Aの透湿度を求める。 The moisture permeability is measured by the following method.
Two peeled PET (polyethylene terephthalate) films (MRV38, thickness 38 μm, manufactured by Mitsubishi Plastics Co., Ltd.) obtained by cutting a circular adhesive sealing film (film thickness 25 μm) having a diameter of 1.2 cm into a circle having a diameter of 1.2 cm. The laminated body A is produced by sandwiching. This layered product A is set on the lid (hole cap) of a syringe vial (Syringe vial, Model CV-5, manufactured by Maruemu Co., Ltd.), and anhydrous calcium chloride particles (particle size: 3-5 mm, domestic chemical stock) 2 g of company) is put in and a sample for measuring moisture permeability is prepared. A sample for measuring moisture permeability is placed in an atmosphere of 60 ° C. and 95% RH, and the weight after 24 hours and 72 hours is measured. After 24 to 72 hours, the increase in weight per 24 hours is adhesively sealed. Divide by the film area to obtain the moisture permeability of the laminate A.
本発明の接着性封止フィルムは、溶融押出法により製造することもできるが、好ましくは本発明の接着性封止フィルムの製造方法に従って、前述の本発明の接着性封止フィルム用塗布液を基材上に塗布、乾燥させることにより製造される。 [Method for producing adhesive sealing film]
The adhesive sealing film of the present invention can be produced by a melt extrusion method. Preferably, the adhesive sealing film coating liquid of the present invention is applied according to the method for producing an adhesive sealing film of the present invention. It is manufactured by coating and drying on a substrate.
本発明の接着性封止フィルム用塗布液の基材への塗布方法としては、例えばスプレーコート法、ディップコート法、ドクターブレードコート法、カーテンロールコート法、グラビアロールコート法、リバースロールコート法、エヤナイフコート法、ロッドコート法、ダイコート法、オフセット印刷法、コンマコート法、リップコート法などが挙げられる。 <Application method>
Examples of the method for applying the coating liquid for adhesive sealing film of the present invention to the substrate include spray coating, dip coating, doctor blade coating, curtain roll coating, gravure roll coating, reverse roll coating, Examples include the air knife coating method, rod coating method, die coating method, offset printing method, comma coating method, and lip coating method.
接着性封止フィルム用塗布液の塗布時の相対湿度は、通常20%以上、好ましくは25%以上、より好ましくは30%以上、さらに好ましくは50%以上で、通常85%以下、好ましくは80%以下、より好ましくは75%以下である。相対湿度が上記範囲内である場合、接着性封止フィルムの均一性が向上するため、フィルムの均一性の低下による接着性や水分バリア性の低下が抑制される可能性があり、好ましい。
接着性封止フィルム用塗布液の塗布時の雰囲気に制限は無い。例えば、空気雰囲気中で接着性封止フィルム用塗布液の塗布を行なっても良く、例えばアルゴン等の不活性ガス雰囲気中で塗布を行なってもよい。 <Application environment>
The relative humidity during application of the coating solution for adhesive sealing film is usually 20% or more, preferably 25% or more, more preferably 30% or more, still more preferably 50% or more, and usually 85% or less, preferably 80. % Or less, more preferably 75% or less. When the relative humidity is within the above-mentioned range, the uniformity of the adhesive sealing film is improved, which may suppress a decrease in adhesion and moisture barrier properties due to a decrease in film uniformity.
There is no restriction | limiting in the atmosphere at the time of application | coating of the coating liquid for adhesive sealing films. For example, the coating solution for the adhesive sealing film may be applied in an air atmosphere, and may be applied in an inert gas atmosphere such as argon.
有機エレクトロルミネッセンス素子は発光部が異物に対して不安定であるため、異物を除去するためろ過を行う。ろ過方法としては、公知の方法を用いることができ、例えば、ろ紙、不織布、金属メッシュ、焼結金属、多孔板、多孔質セラミック、フィルター等の公知の方法を用いることができる。ろ材のメッシュとしては特に限定はないが、通常、5~20μm程度のものが好適に用いられる。ろ過は通常室温で常圧下、減圧下、加圧下に行えばよい。 <Filtration>
Since the light emitting part of the organic electroluminescence element is unstable with respect to foreign matter, filtration is performed to remove the foreign matter. As a filtration method, a known method can be used. For example, a known method such as a filter paper, a nonwoven fabric, a metal mesh, a sintered metal, a porous plate, a porous ceramic, or a filter can be used. The mesh of the filter medium is not particularly limited, but usually a mesh of about 5 to 20 μm is preferably used. Filtration is usually performed at room temperature under normal pressure, reduced pressure, or increased pressure.
接着性封止フィルム用塗布液が無溶媒の場合、かかる塗布液を塗布後に冷却することにより接着性封止フィルムが得られるため、塗布後の乾燥は必要とされないが、接着性封止フィルム用塗布液が溶媒を含有する場合、塗布後に溶媒除去のための乾燥を行う。 <Drying>
When the coating liquid for adhesive sealing film is solvent-free, since the adhesive sealing film is obtained by cooling the coating liquid after coating, drying after coating is not required, but for adhesive sealing film When the coating solution contains a solvent, drying for removing the solvent is performed after coating.
接着性封止フィルム用塗布液を塗布する基材としては、各種の樹脂フィルムの他、紙、ガラス板等を使用することができる。樹脂フィルムの樹脂材料としては、熱可塑性樹脂、熱硬化性樹脂を使用することができ、特に制限は無い。熱可塑性樹脂として、例えば、ポリオレフィン系樹脂、ポリスチレン系樹脂、塩化ビニル系樹脂、アクリル系樹脂、ポリエステル系樹脂、フッ素系樹脂、ポリカーボネート系樹脂、ナイロン系樹脂、セルロースアセテート等が挙げられる。熱硬化性樹脂として、例えば、ポリエステル樹脂、アクリル樹脂、エポキシ樹脂、フェノール樹脂、不飽和アルキド樹脂、メラミン樹脂、ウレタン樹脂等が挙げられる。本発明で用いられる樹脂フィルムは、公知の方法で製造することができ、例えば、押出し、カレンダー、射出、中空、圧縮成形等が挙げられる。 <Base material>
As a base material to which the coating liquid for adhesive sealing film is applied, paper, glass plates and the like can be used in addition to various resin films. As the resin material of the resin film, a thermoplastic resin or a thermosetting resin can be used, and there is no particular limitation. Examples of the thermoplastic resin include polyolefin resins, polystyrene resins, vinyl chloride resins, acrylic resins, polyester resins, fluorine resins, polycarbonate resins, nylon resins, and cellulose acetate. Examples of the thermosetting resin include polyester resin, acrylic resin, epoxy resin, phenol resin, unsaturated alkyd resin, melamine resin, and urethane resin. The resin film used in the present invention can be produced by a known method, and examples thereof include extrusion, calendering, injection, hollow, and compression molding.
接着性封止フィルムの評価は、次の手法で行なった。 [Evaluation of adhesive sealing film]
The adhesive sealing film was evaluated by the following method.
試験板をアルミニウム板(10cm×3cm×1mm)とし、試験片(接着性封止フィルム)を挟んだ試験板をクリップで挟み、100℃のオーブン内で20分間加熱することにより試験片を試験板に圧着したこと以外は、JIS Z1541に準拠して、試験環境23℃、50%RH、試験片(接着性封止フィルム)15mm×15mm×50μm、試験板サイズ10cm×3cm、チャック間距離10cmとし、引張試験機(テンシロンUTC-5T、株式会社オリエンテック製)を用いて50mm/minの引張速度における引張せん断接着力を測定した。なお、試験板は試験片を貼り付ける前にトルエンとイロプロピルアルコールを等量混合した溶媒で超音波洗浄した。 <Evaluation of tensile shear adhesive strength>
The test plate was an aluminum plate (10 cm × 3 cm × 1 mm), the test plate sandwiched with the test piece (adhesive sealing film) was sandwiched between clips, and the test plate was heated in an oven at 100 ° C. for 20 minutes. Except for being crimped to JIS Z1541, the test environment is 23 ° C., 50% RH, test piece (adhesive sealing film) 15 mm × 15 mm × 50 μm, test plate size 10 cm × 3 cm, and distance between chucks 10 cm. The tensile shear adhesive force at a tensile speed of 50 mm / min was measured using a tensile tester (Tensilon UTC-5T, manufactured by Orientec Co., Ltd.). The test plate was ultrasonically cleaned with a solvent in which equal amounts of toluene and isopropyl alcohol were mixed before attaching the test piece.
直径1.2cmの円形の接着性封止フィルム(膜厚25μm)を、直径1.2cmの円形にカットした2枚の剥離PETフィルム(MRV38、厚み38μm、三菱樹脂株式会社製)で挟み、積層体Aを作製した。この積層体Aをシリンジバイアル(シリンジバイアル、Model CV-5、株式会社マルエム製)の蓋(ホールキャップ)にセットし、シリンジバイアル内には無水塩化カルシウム粒子(粒径3~5mm、国産化学株式会社製)を2g入れ、透湿度測定用サンプルを作製した。
透湿度測定用サンプルを60℃、95%RHの雰囲気下に置き、24時間、72時間後の重量を測定し、24時間~72時間において、24時間当たりの重量増加量を接着性封止フィルム面積で除して、積層体Aの透湿度を求めた。 <Evaluation of moisture permeability>
A 1.2 cm diameter circular adhesive sealing film (film thickness 25 μm) is sandwiched between two peeled PET films (MRV 38, thickness 38 μm, manufactured by Mitsubishi Plastics Co., Ltd.) cut into a circular shape with a diameter of 1.2 cm and laminated. Body A was prepared. This layered product A is set on the lid (hole cap) of a syringe vial (Syringe vial, Model CV-5, manufactured by Maruemu Co., Ltd.), and anhydrous calcium chloride particles (particle size: 3-5 mm, domestic chemical stock) 2 g of company manufactured) was put into a sample for measuring moisture permeability.
A sample for measuring moisture permeability is placed in an atmosphere of 60 ° C. and 95% RH, the weight after 24 hours and 72 hours is measured, and the increase in weight per 24 hours is measured from 24 hours to 72 hours. Dividing by area, the moisture permeability of laminate A was determined.
粘弾性スペクトロメータ(DMS6100、エスアイアイ・ナノテクノロジー株式会社製)を用い、フィルムずりモードにて、接着性封止フィルム(3.5cm×1.0cm×2mm)の貯蔵弾性率、ガラス転移温度を測定した。この時の測定条件は窒素ガス雰囲気下、昇温速度2℃/分、周波数1Hzとした。 <Evaluation of storage elastic modulus and glass transition temperature>
Using a viscoelastic spectrometer (DMS6100, manufactured by SII NanoTechnology Co., Ltd.), in the film shear mode, the storage elastic modulus and glass transition temperature of the adhesive sealing film (3.5 cm × 1.0 cm × 2 mm) It was measured. The measurement conditions at this time were a nitrogen gas atmosphere, a heating rate of 2 ° C./min, and a frequency of 1 Hz.
試験片(15mm×15mm×50μmの接着性封止フィルム)をアルミニウム板(10cm×3cm×1mm)にクリップで挟み、100℃で20分間加熱することにより圧着した後の試料を環境試験機(Silvery Emperor、SE-23CRA、株式会社カトー製)を用いて60℃、95%RHの雰囲気下に72時間放置した。 <High temperature and high humidity test>
The test piece (15 mm × 15 mm × 50 μm adhesive sealing film) was sandwiched between aluminum plates (10 cm × 3 cm × 1 mm) and heated at 100 ° C. for 20 minutes, and then the sample was subjected to an environmental tester (Silvery). Emperor, SE-23CRA, manufactured by Kato Corporation) and left in an atmosphere of 60 ° C. and 95% RH for 72 hours.
粘着付与樹脂における炭素二重結合含有量、接着性封止フィルムにおける炭素二重結合含有量、接着性封止フィルム用塗布液の固形分における炭素二重結合含有量は、1H-NMR(プロトン核磁気共鳴)装置(AVANCE400、AV400、ブルカーバイオスピン社製)により測定した。この時、試料の固形分濃度が1重量%となるように重クロロホルムに溶解し、下記の条件で測定した。
共鳴周波数:400MHz
プローブ:5mmφプローブ
測定温度:27℃
試料回転数:20Hz
測定法:シングルパルス法
フリップ角:90゜
くり返し時間:1s
測定時間:2.73s
積算回数:16回
観測幅:6kHz
ブロードニングファクター:0.1Hz <Evaluation of carbon double bond content>
The carbon double bond content in the tackifying resin, the carbon double bond content in the adhesive sealing film, and the carbon double bond content in the solid content of the coating solution for the adhesive sealing film are 1 H-NMR (proton Nuclear magnetic resonance) apparatus (AVANCE400, AV400, manufactured by Bruker Biospin) was used for measurement. At this time, it melt | dissolved in deuterated chloroform so that the solid content concentration of a sample might be 1 weight%, and measured on condition of the following.
Resonance frequency: 400 MHz
Probe: 5mmφ probe Measurement temperature: 27 ° C
Sample rotation speed: 20Hz
Measurement method: Single pulse method Flip angle: 90 ° Repeat time: 1 s
Measurement time: 2.73 s
Integration count: 16 times Observation width: 6 kHz
Broadening factor: 0.1 Hz
粘着付与樹脂における炭素二重結合含有量
=(粘着付与樹脂に含有される、二重結合している炭素に結合したプロトン量/粘着付与樹脂に含有されるすべてのプロトン量)×100
接着性封止フィルムにおける炭素二重結合含有量
=(接着性封止フィルムに含有される、二重結合している炭素に結合したプロトン量/接着性封止フィルムに含有されるすべてのプロトン量)×100
接着性封止フィルム用塗布液の固形分における炭素二重結合含有量
=(固形分に含有される、二重結合している炭素に結合したプロトン量/固形分に含有されるすべてのプロトン量)×100
ここで、接着性封止フィルム用塗布液の固形分とは、接着性封止フィルム用塗布液から溶媒を除去したものである。
粘着付与樹脂全体に含有されるすべてのプロトン量、接着性封止フィルム全体に含有されるすべてのプロトン量、接着性封止フィルム用塗布液の固形分に含有されるすべてのプロトン量は、0.1~8.0ppmにおけるプロトンのスペクトル面積(積分値)の総和であり、二重結合している炭素に結合したプロトン量は、4.6~8.0ppmにおけるプロトンのスペクトル面積(積分値)の総和である。 Such carbon double bond content is represented by the following formula.
Carbon double bond content in tackifier resin = (amount of protons contained in tackifier resin bound to double-bonded carbon / amount of all protons contained in tackifier resin) x 100
Carbon double bond content in adhesive sealing film = (Amount of protons contained in adhesive sealing film bound to double-bonded carbon / Amount of all protons contained in adhesive sealing film ) × 100
Content of carbon double bond in solid content of coating solution for adhesive sealing film = (Proton amount bound to carbon having double bonds contained in solid content / Amount of all protons contained in solid content) ) × 100
Here, the solid content of the coating liquid for adhesive sealing film is obtained by removing the solvent from the coating liquid for adhesive sealing film.
The total amount of protons contained in the entire tackifying resin, the total amount of protons contained in the entire adhesive sealing film, and the total amount of protons contained in the solid content of the coating solution for adhesive sealing film are 0. The sum of the proton spectral areas (integrated values) at 1 to 8.0 ppm, and the amount of protons bound to the double-bonded carbon is the spectral area (integrated values) of protons at 4.6 to 8.0 ppm. Is the sum of
ポリイソブチレン、および粘着付与樹脂の数平均分子量を、ゲルパーミエーションクロマトグラフィーにより下記条件で測定し、市販の標準ポリスチレンの測定から求めた検量線(標準ポリスチレンのピーク分子量を使用して作成)を使用してポリスチレン換算値として求めた。
装置:2695-2410(Waters社製)
カラム:KF602.5-KF603-KF604(昭和電工社製)
溶離液:THF
流量:0.7mL/min
サンプル濃度:1.0重量%
注入量:20μL、
カラム温度:40℃ <Number average molecular weight>
The number average molecular weight of polyisobutylene and tackifying resin is measured under the following conditions by gel permeation chromatography, and a calibration curve (created using the peak molecular weight of standard polystyrene) obtained from measurement of commercially available standard polystyrene is used. And calculated as a polystyrene equivalent value.
Apparatus: 2695-2410 (manufactured by Waters)
Column: KF602.5-KF603-KF604 (Showa Denko)
Eluent: THF
Flow rate: 0.7 mL / min
Sample concentration: 1.0% by weight
Injection volume: 20 μL,
Column temperature: 40 ° C
<接着性封止フィルムの作製>
ポリイソブチレン(数平均分子量12.6万、イソブチレンの単独重合体、BASF製)2.5g、脂環式系石油樹脂(シクロペンタジエン-ジシクロペンタジエン共重合物、Quintone TD-401、日本ゼオン株式会社製)6.3gをトルエン(関東化学株式会社製)12.7gに室温(20~30℃)でミックスローター(VMR-3、アズワン株式会社製)を用いた攪拌により溶解させて、接着性封止フィルム用塗布液Aを調製した。
接着性封止フィルム用塗布液Aを剥離PETフィルム(MRV38、厚み38μm、三菱樹脂株式会社製)上にアプリケーターを用いて塗布し、100℃のホットプレートで20分間加熱乾燥した。その後、100℃で3時間真空乾燥し、接着性封止フィルムAを作製した。
表1に接着性封止フィルムAの組成(接着性封止フィルム用塗布液の固形分組成と同一)と接着性封止フィルム用塗布液Aの固形分濃度を、表2に粘着付与樹脂として用いた脂環式系石油樹脂、接着性封止フィルムA、接着性封止フィルム用塗布液Aにおける炭素二重結合含有量を示す。 [Example 1]
<Preparation of adhesive sealing film>
2.5 g of polyisobutylene (number average molecular weight 1260, homopolymer of isobutylene, manufactured by BASF), alicyclic petroleum resin (cyclopentadiene-dicyclopentadiene copolymer, Quintone TD-401, Nippon Zeon Co., Ltd.) 6.3 g) was dissolved in 12.7 g of toluene (manufactured by Kanto Chemical Co., Ltd.) at room temperature (20-30 ° C.) with stirring using a mix rotor (VMR-3, manufactured by ASONE Co., Ltd.) A coating solution A for a stop film was prepared.
The coating solution A for adhesive sealing film was applied onto a peeled PET film (MRV38, thickness 38 μm, manufactured by Mitsubishi Plastics Co., Ltd.) using an applicator, and dried by heating on a hot plate at 100 ° C. for 20 minutes. Then, it vacuum-dried at 100 degreeC for 3 hours, and produced the adhesive sealing film A.
Table 1 shows the composition of the adhesive sealing film A (same as the solid content composition of the coating liquid for adhesive sealing film) and the solid content concentration of the coating liquid A for adhesive sealing film. Table 2 shows the tackifying resin. The carbon double bond content in the used alicyclic petroleum resin, adhesive sealing film A, and coating liquid A for adhesive sealing film is shown.
接着性封止フィルムAについて、前述の方法で各評価を行ったところ、引張せん断接着力は400N/100cm2、-20~50℃における貯蔵弾性率の最低値は3.7×108Pa、ガラス転移温度は34℃、積層体Aの透湿度は45g・m-2・24h-1であった。また、高温高湿試験後の引張せん断接着力は397N/100cm2であった。
接着性封止フィルムAの評価結果を表3に示す。 <Evaluation of adhesive sealing film>
When the adhesive sealing film A was evaluated by the above-described methods, the tensile shear adhesive strength was 400 N / 100 cm2, the minimum storage elastic modulus at −20 to 50 ° C. was 3.7 × 10 8 Pa, glass The transition temperature was 34 ° C., and the moisture permeability of the laminate A was 45 g · m −2 · 24h −1 . Further, the tensile shear adhesive strength after the high temperature and high humidity test was 397 N / 100 cm 2 .
The evaluation results of the adhesive sealing film A are shown in Table 3.
ポリイソブチレン(数平均分子量20万、イソブチレンの単独重合体、BASF製)2.5g、芳香族変性テルペン樹脂(YSレジンTR105、ヤスハラケミカル株式会社製)6.3g、ポリブテン(HV-100、数平均分子量980、JX日鉱日石エネルギー株式会社製)1.0gをトルエン(関東化学株式会社製)31.5gに溶解させたこと以外は実施例1と同様な操作を行い、接着性封止フィルム用塗布液Bを調製した。接着性封止フィルム用塗布液Bを用い、実施例1と同様な操作を行い、接着性封止フィルムBを作製し、その評価を行った。
表1に接着性封止フィルムBの組成と接着性封止フィルム用塗布液Bの固形分濃度を、表2に粘着付与樹脂として用いた変性テルペン樹脂、接着性封止フィルムB、接着性封止フィルム用塗布液Bにおける炭素二重結合含有量を示す。また、接着性封止フィルムBの評価結果を表3に示す。 [Example 2]
2.5 g polyisobutylene (number average molecular weight 200,000, homopolymer of isobutylene, manufactured by BASF), 6.3 g aromatic modified terpene resin (YS Resin TR105, manufactured by Yasuhara Chemical Co., Ltd.), polybutene (HV-100, number average molecular weight) 980, JX Nippon Mining & Energy Co., Ltd.) 1.0 g was dissolved in toluene (Kanto Chemical Co., Ltd.) 31.5 g. Liquid B was prepared. The same operation as Example 1 was performed using the coating liquid B for adhesive sealing films, the adhesive sealing film B was produced, and the evaluation was performed.
Table 1 shows the composition of the adhesive sealing film B and the solid content concentration of the coating liquid B for adhesive sealing film, and Table 2 shows the modified terpene resin, adhesive sealing film B, and adhesive seal used as tackifying resins. Carbon double bond content in the coating liquid B for stop films is shown. The evaluation results of the adhesive sealing film B are shown in Table 3.
芳香族変性テルペン樹脂(YSレジンTR105、ヤスハラケミカル株式会社製)の代わりに芳香族変性テルペン樹脂(YSレジンTO125、ヤスハラケミカル株式会社製)を用いたこと以外は実施例2と同様な操作を行い、接着性封止フィルム用塗布液Cを調製した。接着性封止フィルム用塗布液Cを用い、実施例1と同様な操作を行い、接着性封止フィルムCを作製し、その評価を行った。
表1に接着性封止フィルムCの組成と接着性封止フィルム用塗布液Cの固形分濃度を、表2に粘着付与樹脂として用いた変性テルペン樹脂、接着性封止フィルムC、接着性封止フィルム用塗布液Cにおける炭素二重結合含有量を示す。また、接着性封止フィルムCの評価結果を表3に示す。 [Example 3]
The same operation as in Example 2 was performed except that an aromatic modified terpene resin (YS resin TO125, manufactured by Yasuhara Chemical Co., Ltd.) was used instead of the aromatic modified terpene resin (YS resin TR105, manufactured by Yasuhara Chemical Co., Ltd.) The coating liquid C for adhesive sealing films was prepared. The same operation as Example 1 was performed using the coating liquid C for adhesive sealing films, and the adhesive sealing film C was produced and evaluated.
Table 1 shows the composition of the adhesive sealing film C and the solid content concentration of the coating liquid C for adhesive sealing film, and Table 2 shows the modified terpene resin, adhesive sealing film C, and adhesive seal used as tackifying resins. The carbon double bond content in the coating liquid C for a stop film is shown. Table 3 shows the evaluation results of the adhesive sealing film C.
ポリイソブチレン(数平均分子量20万、BASF製)の代わりにポリイソブチレン(数平均分子量12.6万、イソブチレンの単独重合体、BASF製)を用い、変性テルペン樹脂の代わりに脂環族系石油樹脂(Quintone TD-401、日本ゼオン株式会社製)を用い、表1に示す組成としたこと以外は実施例3と同様な操作を行い、接着性封止フィルム用塗布液Dを調製した。接着性封止フィルム用塗布液Dを用い、実施例1と同様な操作を行い、接着性封止フィルムDを作製し、その評価を行った。
表1に接着性封止フィルムDの組成と接着性封止フィルム用塗布液Dの固形分濃度を、表2に粘着付与樹脂として用いた脂環族系石油樹脂、接着性封止フィルムD、接着性封止フィルム用塗布液Dにおける炭素二重結合含有量を示す。また、接着性封止フィルムDの評価結果を表3に示す。 [Example 4]
Instead of polyisobutylene (number average molecular weight 200,000, manufactured by BASF), polyisobutylene (number average molecular weight 126,000, homopolymer of isobutylene, manufactured by BASF) is used, and alicyclic petroleum resin is used instead of modified terpene resin (Quintone TD-401, manufactured by Nippon Zeon Co., Ltd.) was used, and the same operation as in Example 3 was carried out except that the composition shown in Table 1 was used, to prepare a coating solution D for adhesive sealing film. The same operation as Example 1 was performed using the coating liquid D for adhesive sealing films, the adhesive sealing film D was produced, and the evaluation was performed.
Table 1 shows the composition of the adhesive sealing film D and the solid content concentration of the coating liquid D for adhesive sealing film. Table 2 shows the alicyclic petroleum resin, adhesive sealing film D used as a tackifying resin. Carbon double bond content in the coating liquid D for adhesive sealing films is shown. Table 3 shows the evaluation results of the adhesive sealing film D.
ポリイソブチレン、脂環式系石油樹脂をそれぞれ4.4g溶解した以外は、実施例1と同様に接着性封止フィルムEを作製した。表1に接着性封止フィルムEの組成と接着性封止フィルム用塗布液Eの固形分濃度を、表2に粘着付与樹脂として用いた脂環式系石油樹脂、接着性封止フィルムE、接着性封止フィルム用塗布液Eにおける炭素二重結合含有量を示す。また、接着性封止フィルムEの評価結果を表3に示す。 [Example 5]
An adhesive sealing film E was produced in the same manner as in Example 1 except that 4.4 g of polyisobutylene and alicyclic petroleum resin were dissolved. Table 1 shows the composition of the adhesive sealing film E and the solid content concentration of the coating liquid E for adhesive sealing film. Table 2 shows the alicyclic petroleum resin, adhesive sealing film E used as the tackifying resin. Carbon double bond content in the coating liquid E for adhesive sealing films is shown. Table 3 shows the evaluation results of the adhesive sealing film E.
ポリイソブチレンを5.3g、脂環式系石油樹脂を3.5g溶解した以外は、実施例1と同様に接着性封止フィルムFを作製した。表1に接着性封止フィルムFの組成と接着性封止フィルム用塗布液Fの固形分濃度を、表2に粘着付与樹脂として用いた脂環式系石油樹脂、接着性封止フィルムF、接着性封止フィルム用塗布液Eにおける炭素二重結合含有量を示す。また、接着性封止フィルムFの評価結果を表3に示す。 [Example 6]
An adhesive sealing film F was produced in the same manner as in Example 1 except that 5.3 g of polyisobutylene and 3.5 g of alicyclic petroleum resin were dissolved. Table 1 shows the composition of the adhesive sealing film F and the solid content concentration of the coating liquid F for adhesive sealing film. Table 2 shows the alicyclic petroleum resin, adhesive sealing film F used as a tackifier resin, Carbon double bond content in the coating liquid E for adhesive sealing films is shown. Table 3 shows the evaluation results of the adhesive sealing film F.
芳香族変性テルペン樹脂(YSレジンTR105、ヤスハラケミカル株式会社製)の代わりにテルペン樹脂(YSレジンPX1250、ヤスハラケミカル株式会社製)を用い、ポリイソブチレン、テルペン樹脂をそれぞれ4.4g添加したこと以外は実施例2と同様な操作を行い、接着性封止フィルム用塗布液Hを調製した。接着性封止フィルム用塗布液Hを用い、実施例1と同様な操作を行い、接着性封止フィルムHを作製し、その評価を行った。
表1に接着性封止フィルムHの組成と接着性封止フィルム用塗布液Hの固形分濃度を、表2に粘着付与樹脂として用いたテルペン樹脂、接着性封止フィルムH、接着性封止フィルム用塗布液Hにおける炭素二重結合含有量を示す。また、接着性封止フィルムHの評価結果を表3に示す。 [Example 7]
Example except that terpene resin (YS Resin PX1250, Yasuhara Chemical Co., Ltd.) was used instead of aromatic modified terpene resin (YS Resin TR105, Yasuhara Chemical Co., Ltd.) and 4.4 g of polyisobutylene and terpene resin were added respectively. Operation similar to 2 was performed and the coating liquid H for adhesive sealing films was prepared. The same operation as Example 1 was performed using the coating liquid H for adhesive sealing films, the adhesive sealing film H was produced, and the evaluation was performed.
Table 1 shows the composition of the adhesive sealing film H and the solid content concentration of the coating liquid H for adhesive sealing film, and Table 2 shows the terpene resin, adhesive sealing film H, and adhesive sealing used as tackifying resins. Carbon double bond content in the coating liquid H for films is shown. Table 3 shows the evaluation results of the adhesive sealing film H.
ポリイソブチレン(数平均分子量12.6万、BASF製)の代わりにポリイソブチレン(数平均分子量20万、イソブチレンの単独重合体、BASF製)を用い、脂肪族系石油樹脂の代わりに水添脂肪族/芳香族混成石油樹脂(アイマーブP-100、出光興産株式会社製)を用いたこと以外は実施例1と同様な操作により接着性封止フィルム用塗布液Iを調製した。接着性封止フィルム用塗布液Iを用い、実施例1と同様な操作を行い、接着性封止フィルムIを作製し、その評価を行った。
表1に接着性封止フィルムIの組成と接着性封止フィルム用塗布液Iの固形分濃度を、表2に粘着付与樹脂として用いた水添脂環族石油樹脂、接着性封止フィルムI、接着性封止フィルム用塗布液Iにおける炭素二重結合含有量を示す。また、接着性封止フィルムI評価結果を表3に示す。 [Comparative Example 1]
Polyisobutylene (number average molecular weight 200,000, homopolymer of isobutylene, manufactured by BASF) is used instead of polyisobutylene (number average molecular weight 120,000, manufactured by BASF), and hydrogenated aliphatic is used instead of aliphatic petroleum resin / An adhesive sealing film coating solution I was prepared in the same manner as in Example 1 except that an aromatic hybrid petroleum resin (Imabe P-100, manufactured by Idemitsu Kosan Co., Ltd.) was used. The same operation as Example 1 was performed using the coating liquid I for adhesive sealing films, the adhesive sealing film I was produced, and the evaluation was performed.
Table 1 shows the composition of the adhesive sealing film I and the solid content concentration of the coating liquid I for adhesive sealing film, and Table 2 shows the hydrogenated alicyclic petroleum resin and adhesive sealing film I used as tackifying resins. The carbon double bond content in the coating liquid I for adhesive sealing films is shown. Table 3 shows the evaluation results of the adhesive sealing film I.
脂環式系石油樹脂の代わりに脂肪族系石油樹脂(クイントンA100)を用いたこと以外は実施例5と同様な操作により接着性封止フィルム用塗布液Jを調製した。接着性封止フィルム用塗布液Jを用い、実施例5と同様な操作を行い、接着性封止フィルムJを作製し、その評価を行った。
表1に接着性封止フィルムJの組成と接着性封止フィルム用塗布液Jの固形分濃度を、表2に粘着付与樹脂として用いた脂肪族系石油樹脂、接着性封止フィルムJ、接着性封止フィルム用塗布液Jにおける炭素二重結合含有量を示す。また、接着性封止フィルムJ評価結果を表3に示す。 [Comparative Example 2]
A coating liquid J for an adhesive sealing film was prepared in the same manner as in Example 5 except that an aliphatic petroleum resin (Quinton A100) was used instead of the alicyclic petroleum resin. The same operation as Example 5 was performed using the coating liquid J for adhesive sealing films, the adhesive sealing film J was produced, and the evaluation was performed.
Table 1 shows the composition of the adhesive sealing film J and the solid content concentration of the coating liquid J for adhesive sealing film. Table 2 shows the aliphatic petroleum resin, adhesive sealing film J, and adhesive used as tackifying resins. Carbon double bond content in coating liquid J for adhesive sealing films is shown. Table 3 shows the evaluation results of the adhesive sealing film J.
脂環式系石油樹脂の代わりに水添インデン樹脂(アルコンP100)を用いたこと以外は実施例5と同様な操作により接着性封止フィルム用塗布液Kを調製した。接着性封止フィルム用塗布液Kを用い、実施例5と同様な操作を行い、接着性封止フィルムKを作製し、その評価を行った。
表1に接着性封止フィルムKの組成と接着性封止フィルム用塗布液Kの固形分濃度を、表2に粘着付与樹脂として用いた脂肪族系石油樹脂、接着性封止フィルムK、接着性封止フィルム用塗布液Kにおける炭素二重結合含有量を示す。また、接着性封止フィルムK評価結果を表3に示す。 [Comparative Example 3]
A coating solution K for adhesive sealing film was prepared in the same manner as in Example 5 except that a hydrogenated indene resin (Alcon P100) was used instead of the alicyclic petroleum resin. The same operation as Example 5 was performed using the coating liquid K for adhesive sealing films, the adhesive sealing film K was produced, and the evaluation was performed.
Table 1 shows the composition of the adhesive sealing film K and the solid content concentration of the coating liquid K for adhesive sealing film, and Table 2 shows the aliphatic petroleum resin, adhesive sealing film K, and adhesive used as tackifying resins. Carbon double bond content in the coating liquid K for conductive sealing films is shown. Table 3 shows the evaluation results of the adhesive sealing film K.
ポリイソブチレンの代わりにイソブチレン-イソプレン共重合体(数平均分子量12.6万、Butyl268、JSR株式会社製)を用いたこと以外は実施例5と同様な操作により接着性封止フィルム用塗布液Lを調製した。接着性封止フィルム用塗布液Lを用い、実施例5と同様な操作を行い、接着性封止フィルムLを作製し、その評価を行った。
表1に接着性封止フィルムLの組成と接着性封止フィルム用塗布液Lの固形分濃度を、表2に粘着付与樹脂として用いた脂肪族系石油樹脂、接着性封止フィルムL、接着性封止フィルム用塗布液Kにおける炭素二重結合含有量を示す。また、接着性封止フィルムL評価結果を表3に示す。 [Comparative Example 4]
A coating liquid L for an adhesive sealing film was prepared in the same manner as in Example 5 except that an isobutylene-isoprene copolymer (number average molecular weight 1260, Butyl 268, manufactured by JSR Corporation) was used instead of polyisobutylene. Was prepared. The same operation as Example 5 was performed using the coating liquid L for adhesive sealing films, the adhesive sealing film L was produced, and the evaluation was performed.
Table 1 shows the composition of the adhesive sealing film L and the solid content concentration of the coating liquid L for adhesive sealing film, and Table 2 shows the aliphatic petroleum resin, adhesive sealing film L, and adhesive used as tackifying resins. Carbon double bond content in the coating liquid K for conductive sealing films is shown. Table 3 shows the evaluation results of the adhesive sealing film L.
添加剤にエポキシ樹脂(HP7200H、DIC株式会社製)0.4g、ポリイソブチレンを4.2g、脂環式系石油樹脂を4.2g溶解したこと以外は実施例5と同様な操作により接着性封止フィルム用塗布液Mを調製した。接着性封止フィルム用塗布液Mを用い、実施例5と同様な操作を行い、接着性封止フィルムMを作製し、その評価を行った。
表1に接着性封止フィルムMの組成と接着性封止フィルム用塗布液Mの固形分濃度を、表2に粘着付与樹脂として用いた脂肪族系石油樹脂、接着性封止フィルムM、接着性封止フィルム用塗布液Mにおける炭素二重結合含有量を示す。また、接着性封止フィルムM評価結果を表3に示す。 [Comparative Example 5]
Adhesive sealing was carried out in the same manner as in Example 5 except that 0.4 g of epoxy resin (HP7200H, manufactured by DIC Corporation), 4.2 g of polyisobutylene, and 4.2 g of alicyclic petroleum resin were dissolved in the additive. A coating solution M for a stop film was prepared. The same operation as Example 5 was performed using the coating liquid M for adhesive sealing films, the adhesive sealing film M was produced, and the evaluation was performed.
Table 1 shows the composition of the adhesive sealing film M and the solid content concentration of the coating liquid M for adhesive sealing film, and Table 2 shows the aliphatic petroleum resin, adhesive sealing film M, and adhesive used as tackifying resins. Carbon double bond content in the coating liquid M for porous sealing films is shown. Table 3 shows the evaluation results of the adhesive sealing film M.
実施例1~7、比較例1のように、ポリイソブチレンを用いた接着性封止フィルムの透湿度はどれも低く、高い水分バリア性を示した。さらに、実施例1~7のように、粘着付与樹脂の炭素二重結合含有量が1.6%以上で、接着性封止フィルムにおける炭素二重結合含有量が1.8%以上の場合、引張せん断接着力が143N/100mm2以上であり、高い接着性を示した。一方、比較例1のように、粘着付与樹脂の炭素二重結合含有量が1.6%未満で接着性封止フィルムにおける炭素二重結合含有量が1.7%未満の場合、引張せん断接着力は42N/100mm2と低く、高い接着性を示さなかった。
また、実施例1に示されるように、本発明の接着性封止フィルムは高温高湿試験前後での引張せん断接着力の変化が小さく、耐候性が高いことが明らかとなった。
以上のことから、ポリイソブチレンと炭素二重結合含有量が高い粘着付与樹脂を用いることにより、高い水分バリア性と高い接着性を両立した接着性封止フィルムを作製することができることが分かる。 The following can be seen from the above results.
As in Examples 1 to 7 and Comparative Example 1, the adhesive sealing film using polyisobutylene had a low moisture permeability and showed a high moisture barrier property. Further, as in Examples 1 to 7, when the carbon double bond content of the tackifier resin is 1.6% or more and the carbon double bond content in the adhesive sealing film is 1.8% or more, The tensile shear adhesive strength was 143 N / 100 mm 2 or more, and high adhesiveness was exhibited. On the other hand, when the carbon double bond content of the tackifying resin is less than 1.6% and the carbon double bond content in the adhesive sealing film is less than 1.7% as in Comparative Example 1, tensile shear bonding The force was as low as 42 N / 100 mm 2 and did not show high adhesion.
Further, as shown in Example 1, it was revealed that the adhesive sealing film of the present invention had a small change in tensile shear adhesive strength before and after the high temperature and high humidity test, and high weather resistance.
From the above, it can be seen that by using a polyisobutylene and a tackifier resin having a high carbon double bond content, an adhesive sealing film having both high moisture barrier properties and high adhesiveness can be produced.
Claims (11)
- 数平均分子量1万以上のポリイソブチレンと、炭素二重結合含有量が1.6%以上50.0%以下である粘着付与樹脂とを含有している接着性封止フィルム。
(ここで、粘着付与樹脂における炭素二重結合含有量は、粘着付与樹脂を1H-NMR測定した時のすべてのプロトン量に対する、二重結合している炭素に結合したプロトン量の割合であり、以下の式で表される。
粘着付与樹脂における炭素二重結合含有量
=(粘着付与樹脂に含有される、二重結合している炭素に結合したプロトン量/粘着付与樹脂に含有されるすべてのプロトン量)×100
前記1H-NMR測定において、粘着付与樹脂に含有されるすべてのプロトン量は0.1~8.0ppmに観測されるプロトンのスペクトル面積の総和であり、二重結合している炭素に結合したプロトン量は4.6~8.0ppmに観測されるプロトンのスペクトル面積の総和である。) An adhesive sealing film containing a polyisobutylene having a number average molecular weight of 10,000 or more and a tackifying resin having a carbon double bond content of 1.6% or more and 50.0% or less.
(Here, the carbon double bond content in the tackifier resin is the ratio of the amount of protons bonded to the double-bonded carbon to the total amount of protons when the tackifier resin is measured by 1 H-NMR. Is represented by the following equation.
Carbon double bond content in tackifier resin = (amount of protons contained in tackifier resin bound to double-bonded carbon / amount of all protons contained in tackifier resin) x 100
In the 1 H-NMR measurement, the amount of all protons contained in the tackifier resin is the sum of the proton spectral areas observed at 0.1 to 8.0 ppm, and is bound to the double-bonded carbon. The amount of protons is the sum of the spectral areas of protons observed at 4.6 to 8.0 ppm. ) - 請求項1において、前記粘着付与樹脂の数平均分子量が800以上、1600以下である接着性封止フィルム。 2. The adhesive sealing film according to claim 1, wherein the tackifying resin has a number average molecular weight of 800 or more and 1600 or less.
- 請求項1または2において、前記粘着付与樹脂が、ロジン系樹脂、テルペン系樹脂、脂環式系石油樹脂、および芳香族系石油樹脂よりなる群から選ばれる1種又は2種以上である接着性封止フィルム。 The adhesiveness according to claim 1 or 2, wherein the tackifying resin is one or more selected from the group consisting of a rosin resin, a terpene resin, an alicyclic petroleum resin, and an aromatic petroleum resin. Sealing film.
- 請求項1ないし3のいずれか1項において、前記ポリイソブチレンの数平均分子量が1万以上、100万以下である接着性封止フィルム。 The adhesive sealing film according to any one of claims 1 to 3, wherein the polyisobutylene has a number average molecular weight of 10,000 or more and 1,000,000 or less.
- 請求項1ないし4のいずれか1項において、接着性封止フィルムにおける炭素二重結合含有量が1.8%以上50.0%以下である接着性封止フィルム。
(ここで、接着性封止フィルムにおける炭素二重結合含有量は、接着性封止フィルムを1H-NMR測定した時のすべてのプロトン量に対する、二重結合している炭素に結合したプロトン量の割合であり、以下の式で表される。
接着性封止フィルムにおける炭素二重結合含有量
=(接着性封止フィルムに含有される、二重結合している炭素に結合したプロトン量/接着性封止フィルムに含有されるすべてのプロトン量)×100
前記1H-NMR測定において、接着性封止フィルムに含有されるすべてのプロトン量は0.1~8.0ppmに観測されるプロトンのスペクトル面積の総和であり、二重結合している炭素に結合したプロトン量は4.6~8.0ppmに観測されるプロトンのスペクトル面積の総和である。) The adhesive sealing film according to any one of claims 1 to 4, wherein a carbon double bond content in the adhesive sealing film is 1.8% or more and 50.0% or less.
(Here, the carbon double bond content in the adhesive sealing film is the amount of protons bonded to the double-bonded carbon relative to the total amount of protons when the adhesive sealing film is measured by 1 H-NMR. The ratio is expressed by the following formula.
Carbon double bond content in adhesive sealing film = (Amount of protons contained in adhesive sealing film bound to double-bonded carbon / Amount of all protons contained in adhesive sealing film ) × 100
In the 1 H-NMR measurement, the total amount of protons contained in the adhesive sealing film is the sum of the proton spectral areas observed at 0.1 to 8.0 ppm, The amount of protons bound is the sum of the spectral areas of protons observed at 4.6 to 8.0 ppm. ) - 請求項1ないし5のいずれか1項において、-20~50℃における貯蔵弾性率の最小値が1×109Pa以下である接着性封止フィルム。 The adhesive sealing film according to any one of claims 1 to 5, wherein the minimum value of the storage elastic modulus at -20 to 50 ° C is 1 × 10 9 Pa or less.
- 請求項1ないし6のいずれか1項において、有機エレクトロルミネッセンス用接着性封止フィルムである接着性封止フィルム。 7. The adhesive sealing film according to any one of claims 1 to 6, which is an adhesive sealing film for organic electroluminescence.
- 請求項1ないし7のいずれか1項に記載の接着性封止フィルムを製造する方法であって、数平均分子量1万以上のポリイソブチレンと、炭素二重結合含有量が1.6%以上50.0%以下である粘着付与樹脂とを含有する接着性封止フィルム用塗布液を、基材上に塗布後、乾燥させる接着性封止フィルムの製造方法。
(ここで、粘着付与樹脂における炭素二重結合含有量は、粘着付与樹脂を1H-NMR測定した時のすべてのプロトン量に対する、二重結合している炭素に結合したプロトン量の割合であり、以下の式で表される。
粘着付与樹脂における炭素二重結合含有量
=(粘着付与樹脂に含有される、二重結合している炭素に結合したプロトン量/粘着付与樹脂に含有されるすべてのプロトン量)×100
前記1H-NMR測定において、粘着付与樹脂に含有されるすべてのプロトン量は0.1~8.0ppmに観測されるプロトンのスペクトル面積の総和であり、二重結合している炭素に結合したプロトン量は4.6~8.0ppmに観測されるプロトンのスペクトル面積の総和である。) A method for producing the adhesive sealing film according to any one of claims 1 to 7, wherein the polyisobutylene having a number average molecular weight of 10,000 or more and a carbon double bond content of 1.6% or more 50 The manufacturing method of the adhesive sealing film which dries after applying the coating liquid for adhesive sealing films containing tackifying resin which is 0.0% or less on a base material.
(Here, the carbon double bond content in the tackifier resin is the ratio of the amount of protons bonded to the double-bonded carbon to the total amount of protons when the tackifier resin is measured by 1 H-NMR. Is represented by the following equation.
Carbon double bond content in tackifier resin = (amount of protons contained in tackifier resin bound to double-bonded carbon / amount of all protons contained in tackifier resin) x 100
In the 1 H-NMR measurement, the amount of all protons contained in the tackifier resin is the sum of the proton spectral areas observed at 0.1 to 8.0 ppm, and is bound to the double-bonded carbon. The amount of protons is the sum of the spectral areas of protons observed at 4.6 to 8.0 ppm. ) - 数平均分子量1万以上のポリイソブチレンと、炭素二重結合含有量が1.6%以上50.0%以下である粘着付与樹脂とを含有する接着性封止フィルム用塗布液であって、基材上に塗布後、乾燥させることにより請求項1ないし7のいずれか1項に記載の接着性封止フィルムを製造するための接着性封止フィルム用塗布液。
(ここで、粘着付与樹脂における炭素二重結合含有量は、粘着付与樹脂を1H-NMR測定した時のすべてのプロトン量に対する、二重結合している炭素に結合したプロトン量の割合であり、以下の式で表される。
粘着付与樹脂における炭素二重結合含有量
=(粘着付与樹脂に含有される、二重結合している炭素に結合したプロトン量/粘着付与樹脂に含有されるすべてのプロトン量)×100
前記1H-NMR測定において、粘着付与樹脂に含有されるすべてのプロトン量は0.1~8.0ppmに観測されるプロトンのスペクトル面積の総和であり、二重結合している炭素に結合したプロトン量は4.6~8.0ppmに観測されるプロトンのスペクトル面積の総和である。) A coating solution for an adhesive sealing film comprising a polyisobutylene having a number average molecular weight of 10,000 or more and a tackifying resin having a carbon double bond content of 1.6% or more and 50.0% or less, The coating liquid for adhesive sealing films for manufacturing the adhesive sealing film of any one of Claim 1 thru | or 7 by making it dry after apply | coating on a material.
(Here, the carbon double bond content in the tackifier resin is the ratio of the amount of protons bonded to the double-bonded carbon to the total amount of protons when the tackifier resin is measured by 1 H-NMR. Is represented by the following equation.
Carbon double bond content in tackifier resin = (amount of protons contained in tackifier resin bound to double-bonded carbon / amount of all protons contained in tackifier resin) x 100
In the 1 H-NMR measurement, the amount of all protons contained in the tackifier resin is the sum of the proton spectral areas observed at 0.1 to 8.0 ppm, and is bound to the double-bonded carbon. The amount of protons is the sum of the spectral areas of protons observed at 4.6 to 8.0 ppm. ) - 請求項9において、さらにトルエンを含有する接着性封止フィルム用塗布液。 The coating solution for adhesive sealing film according to claim 9, further containing toluene.
- 請求項9または10において、接着性封止フィルム用塗布液の固形分における炭素二重結合の含有量が1.8~50.0%である接着性封止フィルム用塗布液。
(ここで、接着性封止フィルム用塗布液の固形分とは、接着性封止フィルム用塗布液から溶媒を除去したものである。接着性封止フィルム用塗布液の固形分における炭素二重結合の含有量は、かかる固形分を1H-NMR測定した時のすべてのプロトン量に対する、二重結合している炭素に結合したプロトン量の割合であり、以下の式で表される。
接着性封止フィルム用塗布液の固形分における炭素二重結合含有量
=(接着性封止フィルム用塗布液に含有される、二重結合している炭素に結合したプロトン量/接着性封止フィルム用塗布液の固形分に含有されるすべてのプロトン量)×100
前記1H-NMR測定において、固形分に含有されるすべてのプロトン量は0.1~8.0ppmに観測されるプロトンのスペクトル面積の総和であり、二重結合している炭素に結合したプロトン量は4.6~8.0ppmに観測されるプロトンのスペクトル面積の総和である。) The coating solution for adhesive sealing film according to claim 9 or 10, wherein the content of carbon double bonds in the solid content of the coating solution for adhesive sealing film is 1.8 to 50.0%.
(Here, the solid content of the coating solution for the adhesive sealing film is obtained by removing the solvent from the coating solution for the adhesive sealing film. The carbon double in the solid content of the coating solution for the adhesive sealing film) The bond content is the ratio of the amount of protons bound to double-bonded carbon to the total amount of protons when the solid content is measured by 1 H-NMR, and is represented by the following formula.
Carbon double bond content in solid content of coating solution for adhesive sealing film = (Proton amount bonded to double-bonded carbon contained in coating solution for adhesive sealing film / adhesive sealing) 100% of all protons contained in the solid content of the coating solution for film)
In the 1 H-NMR measurement, the amount of all protons contained in the solid content is the sum of the proton spectral areas observed at 0.1 to 8.0 ppm, and the protons bonded to the double-bonded carbon The amount is the sum of the proton spectral areas observed at 4.6-8.0 ppm. )
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JP2015071673A (en) * | 2013-10-02 | 2015-04-16 | 三菱化学株式会社 | Resin composition, adhesive encapsulation film, and method for producing the same |
JP2015108045A (en) * | 2013-12-03 | 2015-06-11 | 古河電気工業株式会社 | Resin composition, resin sheet for encapsulation of organic electronic device element, organic electroluminescent element and device for image display |
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JP2018168378A (en) * | 2018-05-30 | 2018-11-01 | リンテック株式会社 | Sheet-like encapsulation material, encapsulation sheet, and electronic device |
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Also Published As
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KR101706438B1 (en) | 2017-02-13 |
JPWO2013031656A1 (en) | 2015-03-23 |
JP5907170B2 (en) | 2016-04-20 |
CN103764752A (en) | 2014-04-30 |
TWI532811B (en) | 2016-05-11 |
KR20140050687A (en) | 2014-04-29 |
CN103764752B (en) | 2016-03-02 |
TW201313866A (en) | 2013-04-01 |
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