JP6537302B2 - 感圧接着剤及び積層体 - Google Patents
感圧接着剤及び積層体 Download PDFInfo
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- JP6537302B2 JP6537302B2 JP2015044903A JP2015044903A JP6537302B2 JP 6537302 B2 JP6537302 B2 JP 6537302B2 JP 2015044903 A JP2015044903 A JP 2015044903A JP 2015044903 A JP2015044903 A JP 2015044903A JP 6537302 B2 JP6537302 B2 JP 6537302B2
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- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Laminated Bodies (AREA)
Description
(A)下記式(1)で表される(メタ)アクリル酸エステル
[式(1)中、R1は水素原子又はメチル基を表し、R2はアルキル基を表す。]
(B)(メタ)アクリル酸
(C)窒素原子及びビニル基を有するモノマー
なお、「(メタ)アクリル」とは、アクリル又はメタクリル(メタアクリルと表記する場合もある)をいい、同様の化合物も同義である。
以下に示す材料を用いて、表1〜3に示す組成を有する感圧接着剤を作製した。なお、表1〜3中、(A)成分についての括弧内の数値は、(A)成分100質量部に対する各成分の質量部を示す。
nBA:n−ブチルアクリレート((株)日本触媒)
2EHA:2−エチルヘキシルアクリレート((株)日本触媒)
AA:アクリル酸(三菱ガス化学(株))
DMAA:N,N−ジメチルアクリルアミド(興人フィルム&ケミカルズ(株))
R972:疎水性シリカ微粒子(日本アエロジル(株))
Irgacure651:光重合開始剤(チバスペシャリティケミカル(株))
HDDMA:1,6−ヘキサンジオールジメタクリレート(共栄社化学(株))
(1)アクリルフォームテープ12及び感圧接着剤シート13の積層体11を10mm×50mmの矩形に切り出し、ステンレスプレート14上に配置した(図2(a)及び(b))。
(2)SUSプレートとSUSプレート表面に充分な強度で接合された軟質ポリ塩化ビニル層とで構成された試験片15を用意した。試験片15の表面をホワイトガソリンで洗浄した後、感圧接着剤シート13が試験片15に接着するように上記(1)の試料を配置した(図3(a))。なお、このときの感圧接着剤シート13と試験片15との接着部分の長手方向の長さをL0とした。
(3)上記(2)の試料を24時間静置した後、ステンレスプレート14の一端側をスペーサ16で固定し、ステンレスプレート14の他端側を試験片15から離間させ固定した(図3(b))。このときの口開きの大きさ(アクリルフォームテープ12とステンレスプレート14との接着部分の一端から他端までの垂直方向の長さ)は、1.5mmであった。
(4)上記(3)の試料を、40℃の温水中で100時間保存し、その後の試料を観察した(図3(c))。このときの感圧接着剤シート13と試験片15との接着部分の長手方向の長さをLとした。口開き性能の評価は、L/L0が0.6以上の場合を「A」、0.4以上0.6未満の場合を「B」、0.4未満の場合を「C」として行った。
(1)積層体を10mm×80mmの矩形に切り出し、積層体のアクリルフォームテープ側に、プライマー(スリーエム社、製品名:N200)が塗工された50μmのPETフィルムをラミネートした。
(2)SUSプレートとSUSプレート表面に充分な強度で接合された軟質ポリ塩化ビニル層とで構成された試験片を用意した。試験片の表面をホワイトガソリンで洗浄した後、感圧接着剤シートが試験片に接着するように上記(1)の試料を配置した。
(3)上記(2)の試料を24時間静置した後、80℃で1時間保存した。
(4)保存後の試料に対して、180°方向(感圧接着剤シートと試験片との接着面に平行な方向)に50mm/minの引張力を加え、そのときの剥離強度を測定した。
(1)積層体を10mm×80mmの矩形に切り出し、積層体のアクリルフォームテープ側に、プライマー(スリーエム社、製品名:N200)が塗工された50μmのPETフィルムをラミネートした。
(2)上記(1)の試料及び被着体であるSUS304BAを5℃で1時間保存した。
(3)保存後のSUS304BAをイソプロピルアルコールで洗浄し、SUS304BA上に、感圧接着剤シートがSUS304BAに接着するように保存後の試料を配置した。
(4)次いで30秒以内に、上記(3)の試料に対して、90°方向(感圧接着剤シートとSUS304BAとの接着面に垂直な方向)に300mm/min引張力を加え、そのときの粘着強度を測定した。
(1)80℃で2週間保存した積層体を室温に戻した後、積層体を10mm×80mmの矩形に切り出し、積層体のアクリルフォームテープ側に、プライマー(スリーエム社、製品名:N200)が塗工された50μmのPETフィルムをラミネートした。
(2)上記(1)の試料及び被着体であるSUS304BAを5℃で1時間保存した。
(3)保存後のSUS304BAをイソプロピルアルコールで洗浄し、SUS304BA上に、感圧接着剤シートがSUS304BAに接着するように保存後の試料を配置した。
(4)次いで30秒以内に、上記(3)の試料に対して、90°方向(感圧接着剤シートとSUS304BAとの接着面に垂直な方向)に300mm/min引張力を加え、そのときの粘着強度Iを測定した。
(5)上記の[低温粘着強度]で測定された粘着強度I0に対する低下率(I/I0×100(%))を算出した。
Claims (5)
- (A)下記式(1)で表される(メタ)アクリル酸エステル、
(B)(メタ)アクリル酸、並びに、
(C)窒素原子及びビニル基を有するモノマー、
をモノマー単位として有する粘着性ポリマーと、
疎水性シリカ微粒子と、
を含有し、
前記(A)成分の含有量が、前記(A)成分、前記(B)成分、及び前記(C)成分の合計質量100質量部に対して、70質量部以上90質量部以下であり、
前記(A)成分は、下記式(1)におけるR2が炭素数4〜6のアルキル基である(メタ)アクリル酸エステルを、前記(A)成分100質量部に対して50質量部以上含有し、かつ、下記式(1)におけるR 2 が炭素数8〜10のアルキル基である(メタ)アクリル酸エステルを、前記(A)成分100質量部に対して10質量部以上50質量部以下含有する、感圧接着剤。
[式(1)中、R1は水素原子又はメチル基を表し、R2はアルキル基を表す。] - 前記疎水性シリカ微粒子の含有量が、前記粘着性ポリマー100質量部に対して6質量部以下である、請求項1に記載の感圧接着剤。
- 前記(C)成分の含有量が、前記(A)成分、前記(B)成分、及び前記(C)成分の合計質量100質量部に対して20質量部以下である、請求項1又は2に記載の感圧接着剤。
- 前記(B)成分の含有量が、前記(A)成分、前記(B)成分、及び前記(C)成分の合計質量100質量部に対して5質量部以下である、請求項1〜3のいずれか一項に記載の感圧接着剤。
- 基材層と、請求項1〜4のいずれか一項に記載の感圧接着剤からなる感圧接着剤層とを備える積層体。
Priority Applications (6)
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JP2015044903A JP6537302B2 (ja) | 2015-03-06 | 2015-03-06 | 感圧接着剤及び積層体 |
EP16719570.0A EP3265528A1 (en) | 2015-03-06 | 2016-03-03 | Pressure sensitive adhesive and laminate |
PCT/US2016/020536 WO2016144659A1 (en) | 2015-03-06 | 2016-03-03 | Pressure sensitive adhesive and laminate |
KR1020177026219A KR20170126932A (ko) | 2015-03-06 | 2016-03-03 | 감압 접착제 및 라미네이트 |
US15/550,384 US20180037782A1 (en) | 2015-03-06 | 2016-03-03 | Pressure sensitive adhesive and laminate |
CN201680013711.XA CN107429137A (zh) | 2015-03-06 | 2016-03-03 | 压敏粘合剂和层合物 |
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JP2015044903A JP6537302B2 (ja) | 2015-03-06 | 2015-03-06 | 感圧接着剤及び積層体 |
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EP (1) | EP3265528A1 (ja) |
JP (1) | JP6537302B2 (ja) |
KR (1) | KR20170126932A (ja) |
CN (1) | CN107429137A (ja) |
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JP6804919B2 (ja) * | 2016-09-29 | 2020-12-23 | 日東電工株式会社 | フィラー含有粘着テープ及びフィラー含有粘着テープの製造方法 |
JP7052357B2 (ja) | 2016-12-22 | 2022-04-12 | 三菱ケミカル株式会社 | 粘着剤組成物、粘着剤および粘着テープ |
JP7063667B2 (ja) * | 2018-03-22 | 2022-05-09 | スリーエム イノベイティブ プロパティズ カンパニー | 装飾シート |
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EP0213737B1 (en) * | 1985-08-07 | 1990-09-05 | Minnesota Mining And Manufacturing Company | Pressure-sensitive adhesive tape containing hydrophobic silica |
WO1996026221A2 (en) * | 1995-02-16 | 1996-08-29 | Minnesota Mining And Manufacturing Company | Pressure sensitive adhesive article, retroreflective sheeting therewith and method of bonding pvc therewith |
JP4140736B2 (ja) * | 2006-03-15 | 2008-08-27 | 日東電工株式会社 | 粘着型光学フィルム、積層光学フィルムおよび画像表示装置 |
JP2008031208A (ja) * | 2006-07-26 | 2008-02-14 | Nippon Shokubai Co Ltd | 粘着剤用重合体及び粘着剤組成物 |
BRPI0914003B1 (pt) * | 2008-07-02 | 2018-10-09 | 3M Innovative Properties Co | adesivo compreendendo copolímero de acrílico, acentuador de pegajosidade com alta temperatura de transição vítrea e acentuador de pegajosidade com baixa temperatura de transição vítrea, bem como artigo adesivo compreendendo substrato e adesivo |
JP5745829B2 (ja) | 2010-12-03 | 2015-07-08 | スリーエム イノベイティブ プロパティズ カンパニー | 粘着剤及び粘着テープ |
EP2551102B1 (en) * | 2011-07-29 | 2014-12-03 | 3M Innovative Properties Company | Self-stick foam adhesive |
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EP3265528A1 (en) | 2018-01-10 |
WO2016144659A1 (en) | 2016-09-15 |
JP2016164229A (ja) | 2016-09-08 |
CN107429137A (zh) | 2017-12-01 |
US20180037782A1 (en) | 2018-02-08 |
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