JP2020504298A - フォールディング安定性に優れた粘着剤の選定方法 - Google Patents
フォールディング安定性に優れた粘着剤の選定方法 Download PDFInfo
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- JP2020504298A JP2020504298A JP2019535318A JP2019535318A JP2020504298A JP 2020504298 A JP2020504298 A JP 2020504298A JP 2019535318 A JP2019535318 A JP 2019535318A JP 2019535318 A JP2019535318 A JP 2019535318A JP 2020504298 A JP2020504298 A JP 2020504298A
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- 239000000853 adhesive Substances 0.000 title claims abstract description 27
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 27
- 238000011084 recovery Methods 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 18
- 238000011161 development Methods 0.000 abstract description 6
- 230000000704 physical effect Effects 0.000 description 9
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 6
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 6
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 6
- GOXQRTZXKQZDDN-UHFFFAOYSA-N 2-Ethylhexyl acrylate Chemical compound CCCCC(CC)COC(=O)C=C GOXQRTZXKQZDDN-UHFFFAOYSA-N 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 238000009795 derivation Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- 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
- C09J133/00—Adhesives based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Adhesives based on derivatives of such polymers
- C09J133/04—Homopolymers or copolymers of esters
- C09J133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09J133/08—Homopolymers or copolymers of acrylic acid esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1808—C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- 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
- C09J201/00—Adhesives based on unspecified macromolecular compounds
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/20—Investigating strength properties of solid materials by application of mechanical stress by applying steady bending forces
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
- G06F7/544—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices for evaluating functions by calculation
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- C—CHEMISTRY; METALLURGY
- 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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/30—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier
- C09J2301/312—Additional features of adhesives in the form of films or foils characterized by the chemical, physicochemical or physical properties of the adhesive or the carrier parameters being the characterizing feature
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/06—Polymers
- H01L2924/078—Adhesive characteristics other than chemical
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/311—Flexible OLED
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
- H10K77/111—Flexible substrates
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
Abstract
Description
(1)多様な組成からなる粘着剤のレオロジー特性の評価
(2)実際にパネル形態で評価されたフォールディング安定性の評価結果とマッチング
(3)フォールディング安定性と関連したレオロジー特性の有意因子導出
(4)レオロジー特性の有意因子を利用したフォールディング安定性予測式誘導
[数式1]
予測フォールディング安定性=1.587X1019(変形回復率−4.722)(初期ストレス−1.304)
[数式1]
予測フォールディング安定性=1.587X1019(変形回復率−4.722)(初期ストレス−1.304)
本実施例では、フォルダブルディスプレイ粘着剤の延伸物性を測定し、これよりフォールディング安定性を予測して、適した粘着剤を選定することについて詳しく記載する。
次の組成(重量比)を有する粘着剤試料6種を準備した。
試料A:エチルヘキシルアクリレート(ethylhexyl acrylate、EHA)98、アクリル酸(acrylic acid、AA)2、]クエン酸(citric acid、CA)(架橋剤)0.03
試料B:EHA 98、AA 2、CA 0.5
試料C:EHA 94、AA 6、CA 0.03
試料D:EHA 97.5、AA 2.5、CA 0.03
試料E:ブチルアクリレート(butyl acrylate、BA)98、AA 2、CA 0.03
試料F:BA 94、AA 6、CA 0.03
前記6種の粘着剤について、それぞれ次の条件下で実際フォールディングテストを行って、延伸物性を測定した。
温度:−20℃
変形率:12%
時間:変形10分、回復20分
DMAを利用した応力緩和(Stress Relaxation)テストを通じてフォールディング安定性と関連したレオロジー特性の有意因子として初期ストレス及び変形回復率を導出した。
レオロジー特性の有意因子である初期ストレスと変形回復率とを組み合わせて、予測フォールディング安定性値を下記数式1によって計算した:
[数式1]
予測フォールディング安定性=1.587X1019(変形回復率−4.722)(初期ストレス−1.304)
Claims (6)
- 動的機械分析装置(DMA)を用いて粘着剤の初期ストレス及び回復率を測定した後、下記数式1に代入して、予測フォールディング安定性値(予測フォールディング回数)を計算することを含むフォールディング安定性に優れた粘着剤の選定方法:
[数式1]
予測フォールディング安定性=1.587X1019(変形回復率−4.722)(初期ストレス−1.304) - 前記予測フォールディング安定性値が、40000以上である請求項1に記載のフォールディング安定性に優れた粘着剤の選定方法。
- 前記初期ストレス及び変形回復率は、前記フォールディング安定性予測式でのフォールディング安定性値が40000以上にする値である請求項1または2に記載のフォールディング安定性に優れた粘着剤の選定方法。
- 前記初期ストレスが、7000〜25000Paであり、前記変形回復率が、70〜99%である請求項3に記載のフォールディング安定性に優れた粘着剤の選定方法。
- 前記初期ストレスが、12000〜15000Paであり、前記変形回復率が、80〜87%である請求項4に記載のフォールディング安定性に優れた粘着剤の選定方法。
- 前記初期ストレス及び変形回復率の組合わせ因子とフォールディング安定性とのピアソン相関係数が、0.95の関係性を有する請求項1から5のいずれか一項に記載のフォールディング安定性に優れた粘着剤の選定方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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KR10-2017-0116016 | 2017-09-11 | ||
KR1020170116016A KR102156470B1 (ko) | 2017-09-11 | 2017-09-11 | 폴딩 안정성이 우수한 점착제의 선정방법 |
PCT/KR2018/009727 WO2019050195A2 (ko) | 2017-09-11 | 2018-08-23 | 폴딩 안정성이 우수한 점착제의 선정방법 |
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JP2020504298A true JP2020504298A (ja) | 2020-02-06 |
JP6849172B2 JP6849172B2 (ja) | 2021-03-24 |
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US (1) | US11649384B2 (ja) |
EP (1) | EP3543309B1 (ja) |
JP (1) | JP6849172B2 (ja) |
KR (1) | KR102156470B1 (ja) |
CN (1) | CN110168037B (ja) |
WO (1) | WO2019050195A2 (ja) |
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KR102156470B1 (ko) * | 2017-09-11 | 2020-09-15 | 주식회사 엘지화학 | 폴딩 안정성이 우수한 점착제의 선정방법 |
JP2020164619A (ja) * | 2019-03-29 | 2020-10-08 | 三菱ケミカル株式会社 | 粘着シート、それを用いた積層シート及び画像表示装置 |
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- 2018-08-23 US US16/478,408 patent/US11649384B2/en active Active
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Also Published As
Publication number | Publication date |
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KR102156470B1 (ko) | 2020-09-15 |
EP3543309B1 (en) | 2022-04-13 |
CN110168037B (zh) | 2020-10-23 |
EP3543309A4 (en) | 2020-01-22 |
WO2019050195A2 (ko) | 2019-03-14 |
KR20190029006A (ko) | 2019-03-20 |
EP3543309A2 (en) | 2019-09-25 |
JP6849172B2 (ja) | 2021-03-24 |
WO2019050195A3 (ko) | 2019-05-02 |
US11649384B2 (en) | 2023-05-16 |
US20190376884A1 (en) | 2019-12-12 |
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