JP6731428B2 - ブロックコポリマーとアクリル接着剤とのブレンド - Google Patents
ブロックコポリマーとアクリル接着剤とのブレンド Download PDFInfo
- Publication number
- JP6731428B2 JP6731428B2 JP2018000406A JP2018000406A JP6731428B2 JP 6731428 B2 JP6731428 B2 JP 6731428B2 JP 2018000406 A JP2018000406 A JP 2018000406A JP 2018000406 A JP2018000406 A JP 2018000406A JP 6731428 B2 JP6731428 B2 JP 6731428B2
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- JP
- Japan
- Prior art keywords
- block copolymer
- block
- adhesive
- adhesive composition
- glassy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229920001400 block copolymer Polymers 0.000 title claims description 99
- 239000000203 mixture Substances 0.000 title claims description 76
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- 239000000853 adhesive Substances 0.000 claims description 115
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- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 40
- 239000000178 monomer Substances 0.000 claims description 29
- 239000000758 substrate Substances 0.000 claims description 28
- 125000003118 aryl group Chemical group 0.000 claims description 19
- 150000001993 dienes Chemical class 0.000 claims description 14
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 11
- 239000007822 coupling agent Substances 0.000 claims description 10
- 125000004432 carbon atom Chemical group C* 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 7
- 125000005397 methacrylic acid ester group Chemical group 0.000 claims description 5
- 125000005233 alkylalcohol group Chemical group 0.000 claims description 4
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 3
- VSKJLJHPAFKHBX-UHFFFAOYSA-N 2-methylbuta-1,3-diene;styrene Chemical compound CC(=C)C=C.C=CC1=CC=CC=C1.C=CC1=CC=CC=C1 VSKJLJHPAFKHBX-UHFFFAOYSA-N 0.000 claims description 3
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Images
Classifications
-
- 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
- C09J153/00—Adhesives based on block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J153/02—Vinyl aromatic monomers and conjugated dienes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/10—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation for articles of indefinite length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0021—Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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Description
R−(G)m
(式中、Rはゴム状ブロックを表し、Gはガラス状ブロックを表し、ガラス状ブロックの数であるmは1又は2である)により記述することができる。ある実施形態では、mは1であり、直鎖ブロックコポリマーは1個のゴム状ブロックと1個のガラス状ブロックを含むジブロックコポリマーである。ある実施形態では、mは2であり、直鎖ブロックコポリマーは、2個のガラス状末端ブロックと1個のゴム状中央ブロックを含む、即ち、直鎖ブロックコポリマーはトリブロックコポリマーである。
45部のIOA、45部のBA、10部のAA、0.15部のイルガキュア651、及び0.06部のIOTGを混合することにより、アクリルポリマー(AP−1)を調製した。包装フィルム(CTフィルム(テキサス州ダラス(Dallas)からVA−24フィルムとして販売されている厚さ0.0635mmのエチレンビニルアセテートコポリマーフィルム)から目立たない(Discreet)フィルム包装を形成した。AP−1組成物を、約10センチメートル(cm)×5cm×厚さ0.5cmと測定されたフィルム包装内に密封した。約21℃と約32℃の間に維持された水浴中に浸漬している間、包装を、約3.5ミリワット/平方センチメートル(mW/sq cm)の強度及びNIST単位で測定したとき約1680ミリジュール/平方センチメートル(mJ/sq cm)の総エネルギーを有する紫外線(UV)に曝露した。包装の形成及び硬化方法は、米国特許第5,804,610号の実施例1に記載されており、その全文を参照することにより組み込むこととする。
第2表に示す組成物による感圧性接着剤を、60mmの共回転2軸押出成形機(バーストルフ(Berstorff)から入手可能)(第1接着剤押出成形機)を用いて配合した。多モードで非対称な星型ブロックコポリマー(「PASBC」)を、全文を参照することにより本明細書に組み込む、米国特許第5,393,373号に従って調製した。ポリマーは、ポリスチレン標準を用いて較正したSEC(サイズ排除クロマトグラフィー)により測定した、数平均分子量約6.6E−21g(4,000ダルトン)及び約3.6E−20g(21,500ダルトン)の2つの末端ブロックと、2.1E−19g(127,000ダルトン)〜2.4E−19g(147,000ダルトン)の腕と、約1.8E−18g(1,100,000ダルトン)の星を有していた。ポリスチレン含量は、9.5〜11.5重量%であった。高分子量である腕のモルパーセントは、約30%と推定された。
第3表に示す組成に従った感圧性接着剤を、以下を除いて、第1スキン接着剤Adh−1について記載したように、第1接着剤押出成形機内で配合した。これらの比較例の接着剤は、アクリルポリマーを含有せず、したがって非アクリルポリマーを押出成形機の第2領域に注入した。
12.70%の多モードで非対称な星型ブロックコポリマー(PASBC)、53.10(重量)%のAP−1、23.30%の粘着付与樹脂(エスコレス1310LC)、3.80%の粘着付与樹脂(スーパースターW115)、6.20%の可塑剤(サンチサイザー141)、0.26%の酸化防止剤(イルガノックス1010)、及び0.25%の紫外線吸収剤(チヌビン328)という組成であることを除き、第1スキン接着剤で記載したのと同じ方式で、感圧性接着剤を60mmの共回転2軸押出機(バーストルフ(Berstorff)から入手可能)(「第2接着剤押出成形機」)内で配合した。
第4表に示す組成を有する発泡体芯(FC1〜FC5)を、以下の手順に従って配合した。黒色に着色されたEVA(4900 CMB)を、90mmの共回転2軸押出成形機(「芯押出成形機」)(バーストルフ(Berstorff)(ドイツ、ハノーバー(Hannover))から入手可能)の第1領域に乾式注入した。ロールフィーダ押出成形機(バーストルフから入手可能)を用いて、アクリルポリマーAP−2及びAP−3の両方を加熱し、芯押出成形機の第2領域に注入した。デュアライト(DUALITE)U010−185D発泡性微小球(ヘンケル社(Henkel Corporation)(ペンシルバニア州ガルフミルズ(Gulph Mills)から入手可能な、アクリロニトリル及びメタクリルニトリルを含有するシェル組成物、並びに、イソペンタンの芯を有する発泡性微小球)を芯押出成形機の第9領域に注入した。
Claims (6)
- (A)
(a)式Qn−Y:
[式中、
(x)Qは多腕ブロックコポリマーの腕を表し、各腕は独立に式R−Gを有し、
(i)Rは、第1重合共役ジエン、その水素添加誘導体、又はこれらの組み合わせを含むゴム状ブロックを表し、
(ii)Gは、第1重合モノビニル芳香族モノマーを含むガラス状ブロックを表し、
(y)nは腕の数を表し、少なくとも3の整数であり、
(z)Yは多官能性カップリング剤の残基である]
で表される多腕ブロックコポリマーである、第1ブロックコポリマーと、
(b)下記(i)と(ii):
(i)第2重合共役ジエン、その水素添加誘導体、又はこれらの組み合わせを含む少なくとも1つのゴム状ブロック;
(ii)第2重合モノビニル芳香族モノマーを含む少なくとも1つのガラス状ブロック;
を含む、直鎖ブロックコポリマーである、第2ブロックコポリマーと
を含む、ブロックコポリマー接着剤組成物を、92〜99.9重量部、及び
(B)
(i)70〜100重量部の、少なくとも1つの、4〜20個の炭素原子を含有する非三級アルキルアルコールのアクリル酸又はメタクリル酸エステルと、
(ii)0〜30重量部の、共重合された強化モノマーと、
を含む、アクリル接着剤組成物を、0.1〜8重量部未満
含み、
前記強化モノマーが、アクリル酸、メタクリル酸、2−カルボキシエチルアクリレート、N,N’ジメチルアクリルアミド、N,N’ジエチルアクリルアミド、ブチルカルバモイルエチルアクリレート、及びこれらの組み合わせからなる群から選択され、
前記第1ブロックコポリマーが、少なくとも1つの高分子量ガラス状ブロック、及び少なくとも1つの低分子量ガラス状ブロックを有する、ポリモーダルで非対称な星型ブロックコポリマーであり、前記高分子量ガラス状ブロックの数平均分子量(Mn)Hと、前記低分子量ガラス状ブロックの数平均分子量(Mn)Lとの比が少なくとも1.25である、感圧性接着剤組成物。 - 多腕ブロックコポリマーと直鎖ブロックコポリマーとの重量比が、1.5:1〜9:1の範囲である、請求項1に記載の感圧性接着剤組成物。
- 前記第2ブロックコポリマーが、スチレン−イソプレン−スチレン、スチレン−ブタジエン−スチレン、スチレン−エチレン−ブタジエン−スチレン、及びこれらの組み合わせからなる群から選択されるトリブロックコポリマーである、請求項1又は2に記載の感圧性接着剤組成物。
- 前記ブロックコポリマー接着剤組成物が、
少なくとも60℃のTgを有し、少なくとも1つのゴム状ブロックに適合する第1高Tg粘着付与剤、又は
少なくとも60℃のTgを有し、少なくとも1つのガラス状ブロックに適合する第2高Tg粘着付与剤
を更に含む、請求項1〜3のいずれか一項に記載の感圧性接着剤組成物。 - 第1主表面及び第2主表面を有する発泡体裏材と、第1主表面に接着している第1接着スキンと、を含むテープであって、第1接着スキンが請求項1〜4のいずれか一項に記載の感圧性接着剤組成物を含む、テープ。
- 0.035N/m未満の表面エネルギーをもった第1表面を有する第1基材と、
第2表面を有する第2基材と、
第1基材の第1表面と第2基材の第2表面との間の接着界面であって、請求項1〜4のいずれか一項に記載の感圧性接着剤組成物を含む接着界面と、を含む、接着複合体。
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US7655720B2 (en) | 2004-02-13 | 2010-02-02 | Henkel Ag & Co. Kgaa | Adhesive containing radial block copolymer |
US7070051B2 (en) * | 2004-03-26 | 2006-07-04 | Atrion Medical Products, Inc. | Needle counter device including troughs of cohesive material |
US7348376B2 (en) * | 2004-04-13 | 2008-03-25 | Kraton Polymers U.S. Llc | Adhesive composition |
EP1586606A1 (en) * | 2004-04-14 | 2005-10-19 | KRATON Polymers Research B.V. | An asphalt binder based on polymer modified bitumen, hot mix asphalts made thereof, and pavements made therefrom |
US8592035B2 (en) * | 2004-12-13 | 2013-11-26 | 3M Innovative Properties Company | Adhesive composition, adhesive tape and adhesion structure |
CA2671033C (en) * | 2006-12-07 | 2016-04-19 | 3M Innovative Properties Company | Block copolymer blend adhesives with multiple tackifiers |
-
2007
- 2007-11-06 JP JP2009540357A patent/JP2010512426A/ja active Pending
- 2007-11-06 CN CN2007800445501A patent/CN101547989B/zh active Active
- 2007-11-06 KR KR1020097011610A patent/KR101605906B1/ko active IP Right Grant
- 2007-11-06 WO PCT/US2007/083741 patent/WO2008070386A1/en active Application Filing
- 2007-11-06 EP EP20120163461 patent/EP2474587A1/en not_active Withdrawn
- 2007-11-06 EP EP07844895A patent/EP2094803A4/en not_active Ceased
- 2007-11-06 CA CA2671436A patent/CA2671436C/en not_active Expired - Fee Related
- 2007-11-06 US US12/514,865 patent/US20100075132A1/en not_active Abandoned
- 2007-11-06 BR BRPI0720155-9A patent/BRPI0720155A2/pt not_active IP Right Cessation
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2014
- 2014-01-24 JP JP2014011725A patent/JP2014080625A/ja not_active Withdrawn
- 2014-09-12 US US14/484,952 patent/US9556367B2/en active Active
- 2014-09-12 US US14/484,890 patent/US20140377535A1/en not_active Abandoned
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2015
- 2015-06-17 JP JP2015121982A patent/JP6338552B2/ja active Active
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2018
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Also Published As
Publication number | Publication date |
---|---|
JP2015178637A (ja) | 2015-10-08 |
WO2008070386A1 (en) | 2008-06-12 |
KR20090094441A (ko) | 2009-09-07 |
KR101605906B1 (ko) | 2016-03-23 |
US20100075132A1 (en) | 2010-03-25 |
CN101547989B (zh) | 2011-07-06 |
JP2010512426A (ja) | 2010-04-22 |
EP2094803A4 (en) | 2010-01-20 |
BRPI0720155A2 (pt) | 2014-02-04 |
JP2018066020A (ja) | 2018-04-26 |
EP2094803A1 (en) | 2009-09-02 |
US9556367B2 (en) | 2017-01-31 |
US20140377533A1 (en) | 2014-12-25 |
CN101547989A (zh) | 2009-09-30 |
CA2671436A1 (en) | 2008-06-12 |
US20140377535A1 (en) | 2014-12-25 |
CA2671436C (en) | 2015-03-24 |
JP6338552B2 (ja) | 2018-06-06 |
JP6865876B2 (ja) | 2021-04-28 |
JP2020125480A (ja) | 2020-08-20 |
EP2474587A1 (en) | 2012-07-11 |
JP2014080625A (ja) | 2014-05-08 |
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