JP2020152798A5 - Surface protective film and optical member with protective film - Google Patents

Surface protective film and optical member with protective film Download PDF

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Publication number
JP2020152798A5
JP2020152798A5 JP2019051916A JP2019051916A JP2020152798A5 JP 2020152798 A5 JP2020152798 A5 JP 2020152798A5 JP 2019051916 A JP2019051916 A JP 2019051916A JP 2019051916 A JP2019051916 A JP 2019051916A JP 2020152798 A5 JP2020152798 A5 JP 2020152798A5
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protective film
optical member
meth
film according
adhesive layer
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JP2019051916A
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JP7370716B2 (en
JP2020152798A (en
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Priority claimed from JP2019051916A external-priority patent/JP7370716B2/en
Priority to JP2019051916A priority Critical patent/JP7370716B2/en
Priority to KR1020217031894A priority patent/KR102574301B1/en
Priority to CN201980094292.0A priority patent/CN113573892B/en
Priority to PCT/JP2019/051285 priority patent/WO2020188950A1/en
Priority to TW109101487A priority patent/TW202045659A/en
Publication of JP2020152798A publication Critical patent/JP2020152798A/en
Publication of JP2020152798A5 publication Critical patent/JP2020152798A5/en
Publication of JP7370716B2 publication Critical patent/JP7370716B2/en
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Claims (13)

基材層と、前記基材層の少なくとも一方の表面に配置された粘着剤層と、を備え、
前記粘着剤層は、Ｃ１４－２６アルキル（メタ）アクリレート単位を含むアクリル系ポリマーを含み、
前記アクリル系ポリマー中の前記Ｃ１４－２６アルキル（メタ）アクリレート単位の割合は、２０質量％以上であり、
前記アクリル系ポリマーは、（メタ）アクリロイル基を２つ以上有するアクリル系モノマー単位を含む、表面保護フィルム。 A substrate layer and an adhesive layer disposed on at least one surface of the substrate layer are provided.
The pressure-sensitive adhesive layer contains an acrylic polymer containing a C 14-26 alkyl (meth) acrylate unit.
The proportion of the C 14-26 alkyl (meth) acrylate unit in the acrylic polymer is 20% by mass or more, and is
The acrylic polymer is a surface protective film containing an acrylic monomer unit having two or more (meth) acryloyl groups . 耐指紋コートガラスに対する１８０°剥離試験において、２３℃の温度および３００ｍｍ／分の剥離速度の条件下での剥離強度が０．２Ｎ／２５ｍｍ以上である、請求項１に記載の表面保護フィルム。 The surface protective film according to claim 1, wherein the peel strength is 0.2 N / 25 mm or more under the conditions of a temperature of 23 ° C. and a peel rate of 300 mm / min in a 180 ° peel test on a fingerprint-resistant coated glass. 前記アクリル系ポリマー中の前記Ｃ１４－２６アルキル（メタ）アクリレート単位の割合は、４０質量％以上である、請求項１または２に記載の表面保護フィルム。 The surface protective film according to claim 1 or 2, wherein the ratio of the C 14-26 alkyl (meth) acrylate unit in the acrylic polymer is 40% by mass or more. 前記Ｃ１４－２６アルキル（メタ）アクリレート単位は、少なくともイソステアリル（メタ）アクリレート単位を含む、請求項１～３のいずれか１項に記載の表面保護フィルム。 The surface protective film according to any one of claims 1 to 3, wherein the C 14-26 alkyl (meth) acrylate unit contains at least an isostearyl (meth) acrylate unit. 前記アクリル系ポリマーの含有量は、５０質量％以上である、請求項１～４のいずれか１項に記載の表面保護フィルム。 The surface protective film according to any one of claims 1 to 4 , wherein the content of the acrylic polymer is 50% by mass or more. 光学部材と、前記光学部材に前記粘着剤層を介して貼付された請求項１～５のいずれか１項に記載の表面保護フィルムとを備える、保護フィルム付光学部材。 An optical member with a protective film, comprising the optical member and the surface protective film according to any one of claims 1 to 5 , which is attached to the optical member via the pressure-sensitive adhesive layer . 前記光学部材は、少なくとも一部の表面に耐指紋コート層を備え、
前記粘着剤層は、前記耐指紋コート層の少なくとも一部と接触している、請求項６に記載の保護フィルム付光学部材。 The optical member has a fingerprint resistant coat layer on at least a part of the surface thereof.
The optical member with a protective film according to claim 6 , wherein the pressure-sensitive adhesive layer is in contact with at least a part of the fingerprint-resistant coat layer. 光学部材と、前記光学部材に粘着剤層を介して貼付された表面保護フィルムとを備える、保護フィルム付光学部材であって、 An optical member with a protective film, comprising an optical member and a surface protective film attached to the optical member via an adhesive layer.
前記光学部材は、少なくとも一部の表面に耐指紋コート層を備え、 The optical member has a fingerprint resistant coat layer on at least a part of the surface thereof.
前記粘着剤層は、前記耐指紋コート層の少なくとも一部と接触し、 The pressure-sensitive adhesive layer is in contact with at least a part of the fingerprint-resistant coat layer.
前記表面保護フィルムは、基材層と、前記基材層の少なくとも一方の表面に配置された粘着剤層と、を備え、 The surface protective film comprises a substrate layer and an adhesive layer disposed on at least one surface of the substrate layer.
前記粘着剤層は、Ｃ The pressure-sensitive adhesive layer is C １４－２６14-26 アルキル（メタ）アクリレート単位を含むアクリル系ポリマーを含み、Contains acrylic polymers containing alkyl (meth) acrylate units,
前記アクリル系ポリマー中の前記Ｃ The C in the acrylic polymer １４－２６14-26 アルキル（メタ）アクリレート単位の割合は、２０質量％以上である、保護フィルム付光学部材。An optical member with a protective film in which the proportion of alkyl (meth) acrylate units is 20% by mass or more. 前記表面保護フィルムは、耐指紋コートガラスに対する１８０°剥離試験において、２３℃の温度および３００ｍｍ／分の剥離速度の条件下での剥離強度が０．２Ｎ／２５ｍｍ以上である、請求項８に記載の保護フィルム付光学部材。 The eighth aspect of the present invention, wherein the surface protective film has a peel strength of 0.2 N / 25 mm or more under the conditions of a temperature of 23 ° C. and a peeling speed of 300 mm / min in a 180 ° peeling test on fingerprint-resistant coated glass. Optical member with protective film . 前記アクリル系ポリマー中の前記Ｃ The C in the acrylic polymer １４－２６14-26 アルキル（メタ）アクリレート単位の割合は、４０質量％以上である、請求項８または９に記載の保護フィルム付光学部材。The optical member with a protective film according to claim 8 or 9, wherein the ratio of the alkyl (meth) acrylate unit is 40% by mass or more. 前記Ｃ C １４－２６14-26 アルキル（メタ）アクリレート単位は、少なくともイソステアリル（メタ）アクリレート単位を含む、請求項８～１０のいずれか１項に記載の保護フィルム付光学部材。The optical member with a protective film according to any one of claims 8 to 10, wherein the alkyl (meth) acrylate unit contains at least an isostearyl (meth) acrylate unit. 前記アクリル系ポリマーの含有量は、５０質量％以上である、請求項８～１１のいずれか１項に記載の保護フィルム付光学部材。 The optical member with a protective film according to any one of claims 8 to 11, wherein the content of the acrylic polymer is 50% by mass or more. 前記光学部材は、湾曲面を備え、
前記粘着剤層は、前記湾曲面の少なくとも一部と接触している、請求項６～１２のいずれか１項に記載の保護フィルム付光学部材。 The optical member has a curved surface and has a curved surface.
The optical member with a protective film according to any one of claims 6 to 12 , wherein the pressure-sensitive adhesive layer is in contact with at least a part of the curved surface.
JP2019051916A 2019-03-19 2019-03-19 Surface protection film and optical components with protection film Active JP7370716B2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2019051916A JP7370716B2 (en) 2019-03-19 2019-03-19 Surface protection film and optical components with protection film
KR1020217031894A KR102574301B1 (en) 2019-03-19 2019-12-26 Optical member provided with surface protection film and protection film
CN201980094292.0A CN113573892B (en) 2019-03-19 2019-12-26 Surface protection film and optical member with protection film
PCT/JP2019/051285 WO2020188950A1 (en) 2019-03-19 2019-12-26 Surface protection film and protection film-attached optical member
TW109101487A TW202045659A (en) 2019-03-19 2020-01-16 Surface protection film and protection film-attached optical member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2019051916A JP7370716B2 (en) 2019-03-19 2019-03-19 Surface protection film and optical components with protection film

Publications (3)

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JP2020152798A JP2020152798A (en) 2020-09-24
JP2020152798A5 true JP2020152798A5 (en) 2022-02-24
JP7370716B2 JP7370716B2 (en) 2023-10-30

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Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
JPS63202682A (en) * 1987-02-18 1988-08-22 Nitto Electric Ind Co Ltd Pressure-sensitive adhesive
JP2558142B2 (en) * 1988-04-12 1996-11-27 日東電工株式会社 Pressure sensitive adhesive
JPH04153284A (en) * 1990-10-17 1992-05-26 Nitto Denko Corp Tape for surface protection
JP3842829B2 (en) * 1995-05-30 2006-11-08 日東電工株式会社 Adhesive sheets
JP2001064607A (en) 1999-09-01 2001-03-13 Nitto Denko Corp Surface protective film
JP4579363B2 (en) 1999-10-28 2010-11-10 古河電気工業株式会社 Adhesive tape for semiconductor processing
JP4549057B2 (en) 2003-12-24 2010-09-22 日東電工株式会社 Adhesive composition and adhesive tape or sheets
JP5091424B2 (en) 2006-04-27 2012-12-05 積水化学工業株式会社 Acrylic adhesive composition
JP2008174658A (en) 2007-01-19 2008-07-31 Showa Denko Kk Composition for adhesive, and adhesive sheet using the composition, and member with adhesive
KR20110002857A (en) 2008-04-11 2011-01-10 쓰리엠 이노베이티브 프로퍼티즈 컴파니 Transparent adhesive sheet and image display device including the same
JP5544800B2 (en) 2009-09-17 2014-07-09 サイデン化学株式会社 Surface protection film
JP6274206B2 (en) 2013-04-24 2018-02-07 王子ホールディングス株式会社 Adhesive sheet, laminate and method for producing the same
WO2016052424A1 (en) 2014-09-30 2016-04-07 日東電工株式会社 Adhesive sheet

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