WO2022050675A1 - 점착 필름, 이를 포함하는 광학 부재 및 이를 포함하는 광학표시장치 - Google Patents
점착 필름, 이를 포함하는 광학 부재 및 이를 포함하는 광학표시장치 Download PDFInfo
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- WO2022050675A1 WO2022050675A1 PCT/KR2021/011737 KR2021011737W WO2022050675A1 WO 2022050675 A1 WO2022050675 A1 WO 2022050675A1 KR 2021011737 W KR2021011737 W KR 2021011737W WO 2022050675 A1 WO2022050675 A1 WO 2022050675A1
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- adhesive film
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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
- 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
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/385—Acrylic polymers
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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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1808—C8-(meth)acrylate, e.g. isooctyl (meth)acrylate or 2-ethylhexyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- 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
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- C08F220/20—Esters of polyhydric alcohols or phenols, e.g. 2-hydroxyethyl (meth)acrylate or glycerol mono-(meth)acrylate
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- C—CHEMISTRY; METALLURGY
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F230/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
- C08F230/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal
- C08F230/08—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing a metal containing silicon
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- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
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- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- C—CHEMISTRY; METALLURGY
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- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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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
- 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
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- 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
- C09J133/062—Copolymers with monomers not covered by C09J133/06
- C09J133/066—Copolymers with monomers not covered by C09J133/06 containing -OH groups
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- 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
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- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
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Abstract
Description
바인더 | 지르코니아 | 트리거 폴리머 | 가교제 | UV 흡수제 | |||
종류 | 함량 | 함량 | 종류 | 함량 | 함량 | 함량 | |
실시예 1 | A | 50 | 50 | A | 5 | 0.02 | 0 |
실시예 2 | A | 50 | 50 | A | 5 | 0.015 | 0 |
실시예 3 | A | 50 | 50 | A | 5 | 0.01 | 0 |
실시예 4 | A | 50 | 50 | A | 5 | 0.005 | 0 |
실시예 5 | B | 50 | 50 | B | 5 | 0.01 | 0 |
실시예 6 | A | 50 | 50 | A | 5 | 0.01 | 0.3 |
비교예 1 | A | 50 | 50 | A | 10 | 0.01 | 0 |
비교예 2 | A | 50 | 50 | A | 0 | 0.01 | 0 |
점착력 |
헤이즈 | 굴절률 | 단차 매립성 | 광 투과율 | |||
A | B | 식 1 | |||||
실시예 1 | 50 | 950 | 19 | 0.5 | 1.62 | OK | 91 |
실시예 2 | 30 | 900 | 30 | 0.6 | 1.61 | OK | 91 |
실시예 3 | 10 | 850 | 85 | 0.7 | 1.61 | OK | 91 |
실시예 4 | 5 | 700 | 140 | 0.9 | 1.6 | OK | 91 |
실시예 5 | 50 | 850 | 17 | 1.5 | 1.6 | OK | 90 |
실시예 6 | 50 | 920 | 18.4 | 0.8 | 1.6 | OK | 17 |
비교예 1 | 20 | 1100 | 55 | 7 | 1.6 | NG | 88 |
비교예 2 | 40 | 50 | 1.25 | 0.5 | 1.61 | OK | 91 |
Claims (22)
- 방향족기 및 수산기 함유 (메트)아크릴계 바인더, 무기 입자 및 트리거 폴리머(trigger polymer)를 포함하는 점착 필름으로서,상기 트리거 폴리머는 용융 온도(Tm)가 약 0℃ 이상이고,상기 점착 필름은 헤이즈가 약 2% 이하이고,상기 점착 필름은 하기 식 1의 점착력의 비율이 약 10 이상인 것인, 점착 필름:[식 1]점착력의 비율 = B/A(상기 식 1에서, A는 유리판에 대한 점착 필름의 초기 점착력(단위: gf/inch)B는 유리판에 점착 필름을 점착하고 50℃에서 1000초 동안 둔 후 유리판에 대한 점착 필름의 점착력(단위: gf/inch)).
- 방향족기 및 수산기 함유 (메트)아크릴계 바인더, 무기 입자 및 트리거 폴리머(trigger polymer)를 포함하는 점착 필름으로서,상기 트리거 폴리머는 용융 온도(Tm)가 약 0℃ 이상이고,상기 점착 필름은 헤이즈가 약 2% 이하이고,상기 점착 필름은 유리판에 대한 초기 점착력이 약 100gf/inch 이하이고,상기 점착 필름은 상기 점착 필름을 유리판에 점착하고 50℃에서 1000초 동안 둔 후 상기 유리판에 대한 상기 점착 필름의 점착력이 약 500gf/inch 이상인 것인, 점착 필름.
- 제1항에 있어서, 상기 식 1에서 A는 약 100gf/inch 이하이고, 상기 식 1에서 B는 약 500gf/inch 이상인 것인, 점착 필름.
- 제1항 또는 제2항에 있어서, 상기 점착 필름은 굴절률이 약 1.5 이상인 것인, 점착 필름.
- 제1항 또는 제2항에 있어서, 상기 무기 입자는 굴절률이 약 1.5 이상인 것인, 점착 필름.
- 제1항 또는 제2항에 있어서, 상기 무기 입자는 지르코니아를 포함하는 것인, 점착 필름.
- 제1항 또는 제2항에 있어서, 상기 무기 입자는 상기 점착 필름 중 약 10중량% 내지 약 90중량%로 포함되는 것인, 점착 필름.
- 제1항 또는 제2항에 있어서, 상기 방향족기 및 수산기 함유 (메트)아크릴계 바인더는 방향족기 함유 (메트)아크릴계 단량체 및 수산기 함유 (메트)아크릴계 단량체를 포함하는 단량체 혼합물의 (메트)아크릴계 공중합체를 포함하는 것인, 점착 필름.
- 제8항에 있어서, 상기 방향족기 함유 (메트)아크릴계 단량체는 하기 화학식 1의 단량체를 포함하는 것인, 점착 필름:[화학식 1]CH2=C(R1)-C(=O)-O-R2-Ar(상기 화학식 1에서,R1은 수소 또는 메틸기,R2는 단일 결합, 치환 또는 비치환된 탄소 수 1 내지 10의 알킬렌기 또는 치환 또는 비치환된 탄소 수 1 내지 10의 알킬렌옥시기,Ar은 치환 또는 비치환된 탄소 수 6 내지 20의 아릴기이다).
- 제8항에 있어서, 상기 단량체 혼합물은 상기 방향족기 함유 (메트)아크릴계 단량체 약 30중량% 이상 약 100중량% 미만, 상기 수산기 함유 (메트)아크릴계 단량체 약 0중량% 초과 약 70중량% 이하를 포함하는 것인, 점착 필름.
- 제8항에 있어서, 상기 단량체 혼합물은 아미드기를 갖는 (메트)아크릴계 단량체, 알킬기를 갖는 (메트)아크릴계 단량체 중 1종 이상을 포함하는 것인, 점착 필름.
- 제1항 또는 제2항에 있어서, 상기 트리거 폴리머는 (메트)아크릴계 단량체와 중합성 관능기를 갖는 폴리오르가노실록산을 포함하는 단량체 혼합물의 공중합체를 포함하는 것인, 점착 필름.
- 제12항에 있어서, 상기 (메트)아크릴계 단량체는 직쇄형 또는 분지쇄형의 탄소 수 10 내지 20의 알킬기를 갖는 (메트)아크릴레이트를 포함하는 것인, 점착 필름.
- 제13항에 있어서, 상기 (메트)아크릴계 단량체는 스테아릴 (메트)아크릴레이트, 라우릴 (메트)아크릴레이트 중 1종 이상을 포함하는 것인, 점착 필름.
- 제1항 또는 제2항에 있어서, 상기 트리거 폴리머는 상기 점착 필름 중 약 0중량% 초과 약 20중량% 이하로 포함되는 것인, 점착 필름.
- 제1항 또는 제2항에 있어서, 상기 점착 필름은 가교제를 더 포함하는 것인, 점착 필름.
- 제1항 또는 제2항에 있어서, 상기 점착 필름은 UV 흡수제를 더 포함하고,상기 점착 필름은 파장 390nm 이하에서 광 투과율이 약 70% 이하인 것인, 점착 필름.
- 제1항 또는 제2항의 점착 필름을 포함하는 것인, 광학 부재.
- 제18항에 있어서, 상기 광학 부재는 발광소자 패널, 상기 발광소자 패널의 상부면에 순차적으로 적층된 터치스크린 패널, 상기 점착 필름, 광학 필름을 포함하는 것인, 광학 부재.
- 제19항에 있어서, 상기 터치스크린 패널과 상기 점착 필름은 적어도 직접적으로 접촉하는 것인, 광학 부재.
- 제20항에 있어서, 상기 터치스크린 패널과 상기 점착 필름의 계면에는 패시베이션층이 적어도 형성된 것인, 광학 부재.
- 제1항 또는 제2항의 점착 필름을 포함하는 것인, 광학표시장치.
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JP2023513974A JP2023539516A (ja) | 2020-09-02 | 2021-09-01 | 粘着フィルム、これを含む光学部材及びこれを含む光学表示装置 |
US18/043,896 US20230332024A1 (en) | 2020-09-02 | 2021-09-01 | Adhesive film, optical member comprising same, and optical display device comprising same |
KR1020237006689A KR20230045604A (ko) | 2020-09-02 | 2021-09-01 | 점착 필름, 이를 포함하는 광학 부재 및 이를 포함하는 광학표시장치 |
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Citations (5)
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JP5354691B2 (ja) * | 2010-12-10 | 2013-11-27 | 日東電工株式会社 | 粘着層 |
JP2017014376A (ja) * | 2015-06-30 | 2017-01-19 | 日本ゼオン株式会社 | 光学部材用粘着剤組成物、光学積層体及び面光源装置 |
JP6207387B2 (ja) * | 2013-12-27 | 2017-10-04 | 日本合成化学工業株式会社 | アクリル系粘着剤組成物及びアクリル系粘着剤 |
KR20190140364A (ko) * | 2018-06-11 | 2019-12-19 | 삼성에스디아이 주식회사 | 점착성 보호 필름 및 이를 포함하는 광학 부재 |
KR20200049386A (ko) * | 2018-10-31 | 2020-05-08 | 주식회사 엘지화학 | 점착제 조성물 및 상기 조성물 또는 상기 조성물의 경화물을 포함하는 광학 부재 |
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JP5354691B2 (ja) * | 2010-12-10 | 2013-11-27 | 日東電工株式会社 | 粘着層 |
JP6207387B2 (ja) * | 2013-12-27 | 2017-10-04 | 日本合成化学工業株式会社 | アクリル系粘着剤組成物及びアクリル系粘着剤 |
JP2017014376A (ja) * | 2015-06-30 | 2017-01-19 | 日本ゼオン株式会社 | 光学部材用粘着剤組成物、光学積層体及び面光源装置 |
KR20190140364A (ko) * | 2018-06-11 | 2019-12-19 | 삼성에스디아이 주식회사 | 점착성 보호 필름 및 이를 포함하는 광학 부재 |
KR20200049386A (ko) * | 2018-10-31 | 2020-05-08 | 주식회사 엘지화학 | 점착제 조성물 및 상기 조성물 또는 상기 조성물의 경화물을 포함하는 광학 부재 |
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KR20230045604A (ko) | 2023-04-04 |
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