JP2015187261A5 - - Google Patents

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Publication number
JP2015187261A5
JP2015187261A5 JP2015049467A JP2015049467A JP2015187261A5 JP 2015187261 A5 JP2015187261 A5 JP 2015187261A5 JP 2015049467 A JP2015049467 A JP 2015049467A JP 2015049467 A JP2015049467 A JP 2015049467A JP 2015187261 A5 JP2015187261 A5 JP 2015187261A5
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JP
Japan
Prior art keywords
pressure
sensitive adhesive
adhesive sheet
tackifier resin
sheet according
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JP2015049467A
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Japanese (ja)
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JP5963027B2 (en
JP2015187261A (en
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Priority to JP2015049467A priority Critical patent/JP5963027B2/en
Priority claimed from JP2015049467A external-priority patent/JP5963027B2/en
Publication of JP2015187261A publication Critical patent/JP2015187261A/en
Publication of JP2015187261A5 publication Critical patent/JP2015187261A5/ja
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Publication of JP5963027B2 publication Critical patent/JP5963027B2/en
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Claims (8)

基材の片面または両面に、歪み量100%における応力−歪み曲線に基づく引張強さが6N/cm以上である粘着剤層(A)を有する粘着シートであって、前記粘着剤層(A)が、重量平均分子量100万〜220万の範囲のアクリル重合体(a1)、粘着付与樹脂(a2)及び架橋剤(a3)によって形成された層であることを特徴とする粘着シート。 A pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer (A) having a tensile strength of 6 N / cm 2 or more based on a stress-strain curve at a strain amount of 100% on one side or both sides of a substrate, the pressure- sensitive adhesive layer (A ) Is a layer formed of an acrylic polymer (a1) having a weight average molecular weight in the range of 1,000,000 to 2,200,000, a tackifier resin (a2), and a crosslinking agent (a3) . 前記粘着剤層(A)が1μm〜100μmの範囲の厚さを有するものである請求項1に記載の粘着シート。 The pressure-sensitive adhesive sheet according to claim 1, wherein the pressure-sensitive adhesive layer (A) has a thickness in the range of 1 µm to 100 µm. 前記基材が発泡体基材である請求項1または2に記載の粘着シート。 The pressure-sensitive adhesive sheet according to claim 1, wherein the base material is a foam base material. 前記発泡体基材が、1500μm以下の厚さを有するものである請求項3に記載の粘着シート。 The pressure-sensitive adhesive sheet according to claim 3, wherein the foam base material has a thickness of 1500 μm or less. 前記アクリル重合体(a1)が、ビニル単量体成分を重合させて得られるものであって、前記ビニル単量体成分の全量に対する、(メタ)アクリル単量体以外のビニル単量体の含有量が合計5質量%以下、及び、ホモポリマーのガラス転移温度が100℃以上のアルキル(メタ)アクリレートの含有割合が合計1質量%以下である請求項1〜4のいずれか1項に記載の粘着シート。 The acrylic polymer (a1) is obtained by polymerizing a vinyl monomer component, and contains a vinyl monomer other than a (meth) acrylic monomer with respect to the total amount of the vinyl monomer component. amount total of 5 mass% or less, and a glass transition temperature of more than 100 ° C. homopolymers alkyl (meth) acrylate content of the according to any one of claims 1-4 is the sum 1 wt% or less Adhesive sheet. 前記粘着付与樹脂(a2)が、重合ロジンエステル系粘着付与樹脂、不均化ロジンエステル系粘着付与樹脂、石油系粘着付与樹脂及びテルペンフェノール系粘着付与樹脂からなる群より選ばれる2種以上を含有するものである請求項1〜5に記載の粘着シート。 The tackifier resin (a2) contains two or more selected from the group consisting of a polymerized rosin ester tackifier resin, a disproportionated rosin ester tackifier resin, a petroleum tackifier resin, and a terpene phenol tackifier resin. the pressure-sensitive adhesive sheet according to claims 1 to 5 is intended to. 最狭部分の幅が0.5mm〜2.5mmである請求項1〜6のいずれか1項に記載の粘着シート。The pressure-sensitive adhesive sheet according to any one of claims 1 to 6, wherein the narrowest portion has a width of 0.5 mm to 2.5 mm. 前記粘着剤層(A)の、歪み量100%における応力−歪み曲線に基づく引張強さが7.7N/cmThe adhesive layer (A) has a tensile strength of 7.7 N / cm based on a stress-strain curve at a strain amount of 100%. 2 以上である請求項1〜7のいずれか1項に記載の粘着シート。It is the above, The adhesive sheet of any one of Claims 1-7.
JP2015049467A 2014-03-13 2015-03-12 Adhesive sheet Active JP5963027B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2015049467A JP5963027B2 (en) 2014-03-13 2015-03-12 Adhesive sheet

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2014050180 2014-03-13
JP2014050180 2014-03-13
JP2015049467A JP5963027B2 (en) 2014-03-13 2015-03-12 Adhesive sheet

Publications (3)

Publication Number Publication Date
JP2015187261A JP2015187261A (en) 2015-10-29
JP2015187261A5 true JP2015187261A5 (en) 2015-12-10
JP5963027B2 JP5963027B2 (en) 2016-08-03

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ID=54429642

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2015049467A Active JP5963027B2 (en) 2014-03-13 2015-03-12 Adhesive sheet

Country Status (1)

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JP (1) JP5963027B2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10353283B2 (en) * 2016-07-11 2019-07-16 Shin-Etsu Chemical Co., Ltd. Adhesive for pellicle, pellicle, and method of selecting adhesive for pellicle
JP6984125B2 (en) * 2016-12-22 2021-12-17 Dic株式会社 Thin adhesive tape
WO2019130822A1 (en) * 2017-12-28 2019-07-04 日東電工株式会社 Resin composition, resin layer, and layered sheet
JP7185479B2 (en) * 2017-12-28 2022-12-07 日東電工株式会社 Resin composition, resin layer, and laminated sheet

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4587019B2 (en) * 2003-12-24 2010-11-24 Dic株式会社 Double-sided adhesive sheet
JP5146712B2 (en) * 2005-09-29 2013-02-20 Dic株式会社 Acrylic adhesive composition and method for producing the composition
JP2010254956A (en) * 2009-03-30 2010-11-11 Dic Corp Adhesive, adhesive sheet obtained using the same, and method of manufacturing adhesive sheet
JP5556987B2 (en) * 2009-04-09 2014-07-23 Dic株式会社 Double-sided adhesive tape

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