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1. 发明专利

JP2014139678A Laminate 有权
标题翻译：层压板
公开(公告)号：JP2014139678A
公开(公告)日：2014-07-31
申请号：JP2014035289
申请日：2014-02-26
申请人： Sharp Corp , シャープ株式会社 , Lintec Corp , リンテック株式会社
发明人： TAGUCHI TOKIO , KUROKAWA ATSUSHI , ARAI TAKAYUKI , SHOSHI SATORU
IPC分类号： G02B1/11 , B32B27/00 , B32B27/30
CPC分类号： B32B7/12 , B32B3/30 , B32B27/16 , B32B27/30 , B32B2307/40 , B32B2551/00 , C08G18/6229 , C08G18/792 , C09J7/385 , C09J133/066 , C09J133/08 , C09J2203/318 , G02B1/105 , G02B1/118 , G02B1/14 , Y10T428/24355 , C08F2220/1825 , C08F2220/1841 , C08F220/20
摘要： PROBLEM TO BE SOLVED: To provide a laminate having an antireflective film which has a protective film, which is superior in temporary adhesive strength and hardly has adhesive deposits left after being peeled off, stuck on a surface.SOLUTION: A laminate includes an antireflective film and a protective film stuck on the antireflective film. The antireflective film has, on its surface, a plurality of projection parts a width between tops of adjacent projection parts of which is equal to or less than a visible light wavelength. The protective film includes a base film and an adhesive layer coming into contact with the antireflective film, and the adhesive layer is made of a material formed by cross-linking a (meth)acrylic ester copolymer (A) having a weight-average molecular weight within a specific range with a cross-linking agent (B), the copolymer (A) being formed by polymerizing a monomer component having a specific composition and having a component ratio of 100,000 or less molecular weight controlled within the specific range. The adhesive layer is less than 10 μm thick.
摘要翻译：要解决的问题：为了提供具有保护膜的抗反射膜的层叠体，其临时粘合强度优异，并且在剥离后几乎不具有粘合剂沉积物，粘贴在表面上。解决方案：层压体包括抗反射膜以及粘贴在防反射膜上的保护膜。防反射膜在其表面上具有多个突出部分，其相邻突出部分的顶部之间的宽度等于或小于可见光波长。保护膜包括基膜和与抗反射膜接触的粘合剂层，并且粘合剂层由通过交联具有重均分子量的（甲基）丙烯酸酯共聚物（A）形成的材料制成，在具有交联剂（B）的特定范围内的情况下，共聚物（A）通过聚合具有特定组成并且分子量在100,000以下的分子量控制在特定范围内的单体成分而形成。粘合剂层的厚度小于10μm。

2. 发明专利

JP2014221554A 積層体有权
标题翻译：层压板
公开(公告)号：JP2014221554A
公开(公告)日：2014-11-27
申请号：JP2014136753
申请日：2014-07-02
申请人：シャープ株式会社 , Sharp Corp , リンテック株式会社 , Lintec Corp
发明人： TAGUCHI TOKIO , KUROKAWA ATSUSHI , ARAI TAKAYUKI , SHOSHI SATORU
IPC分类号： B32B27/00 , B32B7/02 , B32B27/30 , G02B1/11
CPC分类号： B32B7/12 , B32B3/30 , B32B27/16 , B32B27/30 , B32B2307/40 , B32B2551/00 , C08G18/6229 , C08G18/792 , C09J7/385 , C09J133/066 , C09J133/08 , C09J2203/318 , G02B1/105 , G02B1/118 , G02B1/14 , Y10T428/24355 , C08F2220/1825 , C08F2220/1841 , C08F220/20
摘要：【課題】一時粘着性に優れ、かつ剥がした後に糊残りが起こりにくい保護フィルムが表面に貼り付けられた反射防止フィルムを有する積層体を提供する。【解決手段】反射防止フィルムと、該反射防止フィルム上に貼り付けられた保護フィルムとを有し、該反射防止フィルムの表面は、隣り合う凸部の頂点間の幅が可視光波長以下である複数の凸部を有し、該保護フィルムは、支持フィルムと、該反射防止フィルムと接する粘着層とを有し、該粘着層は、特定範囲の重量平均分子量を有する(メタ)アクリル酸エステル共重合体(A)を、架橋剤(B)で架橋させて形成された材料からなり、該共重合体(A)は、特定の組成を有する単量体成分を重合して形成され、かつ分子量10万以下の成分比が特定範囲に制御されたものであり、該反射防止フィルムの表面は、水に対する接触角が15?以下である積層体。【選択図】図1
摘要翻译：要解决的问题：为了提供一种具有防反射膜的层压体，其表面上粘附了具有优异的临时粘合性并且在剥离后几乎不留下残留粘合剂的保护膜。溶液：层压体包括附着在防反射膜上的保护膜抗反射膜。抗反射膜的表面具有多个突出部分，使得相邻突出部分的顶点之间的宽度等于可见光的波长或更小。保护膜具有支撑膜和与抗反射膜接触的粘合剂层。粘合剂层由通过交联剂（B）将具有特定范围内的重均分子量的（甲基）丙烯酸酯共聚物（A）交联而形成的材料形成。共聚物（A）通过聚合具有特定组成的单体组分形成，并将分子量为100,000以下的组分的比例控制在特定范围内。抗反射膜的表面与水的接触角为15°以下。

3. 发明专利

JP2014031442A Protective film 有权
标题翻译：保护膜
公开(公告)号：JP2014031442A
公开(公告)日：2014-02-20
申请号：JP2012172846
申请日：2012-08-03
申请人： Lintec Corp , リンテック株式会社
发明人： KUROKAWA ATSUSHI , ARAI TAKAYUKI , SHOSHI SATORU
IPC分类号： C09J7/02 , B32B27/00 , B32B27/30 , B32B27/40 , C09J11/06 , C09J133/06 , C09J175/04
摘要： PROBLEM TO BE SOLVED: To provide a protective film having an adhesive layer formed of an adhesive composition in which a (meth)acrylic acid ester-based copolymer is selected as a main agent of the adhesive composition, the protective film having such properties that when the film is stuck to various adherends, the film exhibits sufficient adhesive strength and leaves extremely little deposition of a residue derived from the adhesive layer when the film is peeled.SOLUTION: The protective film includes an adhesive layer formed of an adhesive composition containing: a (meth)acrylic acid ester-based copolymer (A) obtained by living radical polymerization and having a weight average molecular weight of 400000 to 2000000 and a molecular weight distribution of less than 2.5; an isocyanate crosslinking agent (B); and an organic tin compound (C). The protective film contains the organic tin compound (C) 2 to 20 times on a mass basis of tellurium metal included in the copolymer (A).
摘要翻译：要解决的问题：提供一种保护膜，其具有由粘合剂组合物形成的粘合剂层，其中选择（甲基）丙烯酸酯类共聚物作为粘合剂组合物的主要试剂，该保护膜具有如下特性：膜粘附到各种被粘物上，当膜被剥离时，该膜表现出足够的粘合强度并且留下从粘合剂层衍生的残余物的沉积极少。溶液：保护膜包括由粘合剂组合物形成的粘合剂层，所述粘合剂组合物包含：（甲基）丙烯酸酯系共聚物（A），其重均分子量为400000〜2000000，分子量分布小于2.5; 异氰酸酯交联剂（B）; 和有机锡化合物（C）。保护膜含有共聚物（A）中包含的碲金属的质量的2〜20倍的有机锡化合物（C）。

4. 发明专利

JP2012102276A Acrylic adhesive composition, acrylic adhesive, and optical member with adhesive layer 有权
标题翻译：丙烯酸粘合组合物，丙烯酸粘合剂和带粘合剂层的光学部件
公开(公告)号：JP2012102276A
公开(公告)日：2012-05-31
申请号：JP2010253565
申请日：2010-11-12
申请人： Lintec Corp , リンテック株式会社
发明人： KUROKAWA ATSUSHI , ARAI TAKAYUKI , MATANO HITOSHI
IPC分类号： C09J153/00 , C09J7/02 , C09J11/06 , C09J133/04 , C09J175/04 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide an acrylic adhesive composition for forming an adhesive layer preferably used for a polarizing plate constituting a liquid crystal display apparatus and capable of preventing generation of void phenomenon resulting from expansion/contraction of the polarizing plate.SOLUTION: The adhesive composition includes a first (meth)acrylate polymer (A) having an Mw of 1,000,000-2,500,000, a second (meth)acrylate polymer (B) having an Mw of 20,000-150,000 and isocyanate based crosslinking agent (C). The acrylic based adhesive composition is characterized in that (1) the second (meth)acrylate polymer (B) is a triblock copolymer having a hydroxyl group-containing (meth)acrylate based monomer unit, (2) the content of the second (meth)acrylate polymer (B) is less than 40 pts.mass relative to 100 pts.mass of the first (meth)acrylate polymer (A), and (3) the gel fraction of the adhesive formed from the adhesive composition is 40% or more.
摘要翻译：解决的问题：提供一种用于形成优选用于构成液晶显示装置的偏振片的粘合层的丙烯酸类粘合剂组合物，并且能够防止由偏振片的膨胀/收缩引起的空隙现象的产生。粘合剂组合物包含Mw为1,000,000-2,500,000的第一（甲基）丙烯酸酯聚合物（A），Mw为20,000-150,000的第二（甲基）丙烯酸酯聚合物（B）和异氰酸酯基交联剂（ C）。丙烯酸类粘合剂组合物的特征在于，（1）第二（甲基）丙烯酸酯聚合物（B）是具有含羟基的（甲基）丙烯酸酯系单体单元的三嵌段共聚物，（2）第二（甲基）丙烯酸酯系单体的含量，）丙烯酸酯聚合物（B）相对于第一（甲基）丙烯酸酯聚合物（A）的100重量份小于40质量份，和（3）由粘合剂组合物形成的粘合剂的凝胶分数为40％更多。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2010189489A Pressure-sensitive adhesive composition and pressure-sensitive adhesive sheet 有权
标题翻译：压敏胶粘组合物和压敏粘合片
公开(公告)号：JP2010189489A
公开(公告)日：2010-09-02
申请号：JP2009033181
申请日：2009-02-16
申请人： Lintec Corp , リンテック株式会社
发明人： MATANO HITOSHI , KOBAYASHI MASAMORI , ARAI TAKAYUKI , KUROKAWA ATSUSHI
IPC分类号： C09J133/14 , C09J7/00 , C09J7/02 , C09J11/06 , C09J133/02
摘要： PROBLEM TO BE SOLVED: To provide a pressure-sensitive adhesive composition that can form a pressure-sensitive adhesive layer having an excellent antistatic property such that the surface resistivity is not more than 5×10 10 Ω/sq. combined with transparency, durability and resistance to light leakage sufficient for optical applications and to provide a pressure-sensitive adhesive sheet having the pressure-sensitive adhesive layer. SOLUTION: The pressure-sensitive adhesive composition contains (A) a (meth)acrylate copolymer having 1.0-15 mass% hydroxyl group-containing monomer as a monomer constituent unit, (B) a (meth)acrylate copolymer having a carboxylic group-containing monomer as a monomer constituent unit, (C) a lithium salt and (D) an alkylene glycol dialkyl ether having 2-10 repeating units of the oxyalkylene chain and has an equivalent ratio of the carboxylic group-containing monomer in the copolymer (B) to the hydroxyl group-containing monomer in the copolymer (A) of 0.3 or more. The pressure-sensitive adhesive sheet has a pressure-sensitive adhesive layer formed from the composition. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种压敏粘合剂组合物，其可以形成具有优异的抗静电性能的粘合剂层，使得表面电阻率不大于5×10 10 Ω/平方。结合透明度，耐久性和抵抗光学应用的光泄漏性，并提供具有压敏粘合剂层的压敏粘合片。解决方案：压敏粘合剂组合物含有（A）具有1.0-15质量％含羟基单体作为单体构成单元的（甲基）丙烯酸酯共聚物，（B）具有羧酸的（甲基）丙烯酸酯共聚物含有单体的单体作为单体构成单元，（C）锂盐和（D）具有2-10个氧化烯链重复单元的亚烷基二醇二烷基醚，并且在共聚物中含羧基单体的当量比（B）共聚物（A）中的含羟基单体为0.3以上。压敏粘合片具有由该组合物形成的粘合剂层。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2011074380A Protective film and method for producing the same 有权
标题翻译：保护膜及其制造方法
公开(公告)号：JP2011074380A
公开(公告)日：2011-04-14
申请号：JP2010199290
申请日：2010-09-06
申请人： Lintec Corp , リンテック株式会社
发明人： KUROKAWA ATSUSHI , SHOSHI SATORU
IPC分类号： C09J7/02 , C09J11/06 , C09J133/08
摘要： PROBLEM TO BE SOLVED: To provide a protective film having an adhesive layer, which is formed from an adhesive composition containing a (meth)acrylic acid ester-based copolymer selected as a base resin in the adhesive composition and causes a very low level of adhesion of residues resulting from an adhesive layer upon removal while exerting sufficient adhesive power, when the protective film is adhered to various adherends. SOLUTION: The protective film has an adhesive layer formed with an adhesive composition containing a (meth)acrylic acid ester-based copolymer (A) that is obtained via living radical polymerization to have a weight average molecular weight ranging from 200,000 to 2,000,000 and a molecular weight distribution of less than 2.5, wherein the (meth)acrylic acid ester-based copolymer (A) contains a low-molecular-weight component with a weight average molecular weight of 50,000 or less in an amount of less than 5 mass%. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有粘合剂层的保护膜，该粘合剂层由粘合剂组合物中含有（甲基）丙烯酸酯系共聚物作为基础树脂选择的粘合剂组合物形成，并且导致非常低的当保护膜粘附到各种被粘物上时，在剥离时由粘合剂层产生的残留物的粘合水平同时施加足够的粘合力。保护膜具有由含有通过活性自由基聚合获得的（甲基）丙烯酸酯系共聚物（A）的粘合剂组合物形成的粘合剂层，其重均分子量为20万〜200万分子量分布小于2.5，其中（甲基）丙烯酸酯系共聚物（A）含有重均分子量为50,000以下的低分子量成分，其量小于5质量％％。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2013010837A Adhesive composition, adhesive, and adhesive sheet 有权
标题翻译：胶粘组合物，粘合剂和胶粘剂
公开(公告)号：JP2013010837A
公开(公告)日：2013-01-17
申请号：JP2011143597
申请日：2011-06-28
申请人： Lintec Corp , リンテック株式会社
发明人： KUROKAWA ATSUSHI , MATANO HITOSHI , ARAI TAKAYUKI , SHOSHI SATORU
IPC分类号： C09J133/06 , C09J7/00 , C09J7/02 , C09J11/06 , C09J133/14 , C09J175/04 , G02B5/30 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide an adhesive composition excellent in a stress relaxing property, a light leak-preventing property, durability, and a reworking property and suitable for optical member uses such as a polarizing plate; to provide an adhesive; and to provide an adhesive sheet.SOLUTION: The adhesive composition comprising the first (meth)acrylate polymer (A) having a weight-average mol. wt. of 500,000-3,000,000, the second (meth)acrylate polymer (B) having a weight-average mol. wt. of 8,000-300,000, and a cross-linking agent (C) is characterized in that both the polymer (A) and the polymer (B) do not contain an acidic group, and contain hydroxyl group-containing monomers as monomer units constituting the polymers; the hydroxyl group-containing monomer contained in the polymer (A) is the same kind as the hydroxyl group-containing monomer contained in the polymer (B); the molar ratio of the hydroxyl groups contained in the polymer (A) to the hydroxyl groups contained in the polymer (B) is 1.0-40.
摘要翻译：要解决的问题：提供应力松弛性，防漏光性，耐久性和再加工性优异的粘合剂组合物，并且适用于偏振片等光学部件用途; 提供粘合剂; 并提供粘合片。解决方案：包含第一（甲基）丙烯酸酯聚合物（A）的粘合剂组合物，其重均分子量重量为500,000-3,000,000，第二（甲基）丙烯酸酯聚合物（B）具有重均摩尔。重量为8,000〜300,000，交联剂（C）的特征在于聚合物（A）和聚合物（B）不含有酸性基团，并且含有含羟基单体作为构成聚合物的单体单元 ; 包含在聚合物（A）中的含羟基单体与聚合物（B）中所含的含羟基单体相同; 聚合物（A）中所含的羟基与聚合物（B）中所含的羟基的摩尔比为1.0〜40。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2011195666A Optical adhesive, adhesive sheet for optical use, and optical member having adhesive layer 有权
标题翻译：光学胶粘剂，用于光学胶粘剂的胶粘剂和具有胶粘层的光学部件
公开(公告)号：JP2011195666A
公开(公告)日：2011-10-06
申请号：JP2010062487
申请日：2010-03-18
申请人： Lintec Corp , リンテック株式会社
发明人： KUROKAWA ATSUSHI , ARAI TAKAYUKI , MATANO HITOSHI , OZAWA YUKI
IPC分类号： C09J133/14 , B32B27/00 , C09J4/00 , C09J7/02 , C09J11/06 , C09J133/02 , C09J133/06 , G02B5/30
摘要： PROBLEM TO BE SOLVED: To provide an optical adhesive that is used for laminating optical members such as polarizing plate etc. to an adherend, has an antistatic performance of about less than 5×10Ω/SQUARE surface resistivity, has good adhesive power and removability, and light leakage resistance and durability, also has bleeding prevention nature (un-depositing nature) of antistatic agent.SOLUTION: The optical adhesive is obtained by crosslinking of an adhesive forming material comprised of a (meth)acrylate copolymer (A), that has as constitutional units 5-90 mass% of an oxyalkylene group-containing (meth)acrylic monomer (a-1), less than 10 mass% of reactive group-containing (meth)acrylic monomer (a-2), and alkyl(meth)acrylate monomer (a-3), (meth)acrylate copolymer (B) having as constitutional units a reactive group-containing (meth)acrylic monomer, active energy ray curing-type compound (C), and antistatic agent (D), and contains the component (A) and the component (B) in mass ratio of 100:1 to 100:50.
摘要翻译：要解决的问题：为了提供用于将诸如偏光板等的光学部件与被粘物层压的光学粘合剂，具有大约小于5×10Ω/ SQUARE表面电阻率的抗静电性能，具有良好的粘合力和可除去性，耐光性和耐久性，还具有抗静电剂的防止出血的性质（非沉积性）。溶液：光学粘合剂通过交联由（甲基）丙烯酸酯共聚物（A）组成的粘合剂形成材料而获得，该粘合剂形成材料具有作为构成单元的含有氧化烯基的（甲基）丙烯酸系单体（a-1）的5-90质量％，含有反应性基团的（甲基）丙烯酸系单体（a-2）的少于10质量％，（甲基））丙烯酸酯单体（a-3），具有反应性基团的（甲基）丙烯酸单体，活性能量射线固化型化合物（C）和抗静电剂（D）的结构单元的（甲基）丙烯酸酯共聚物（B）并含有组分（A）和组分（B） o为100：1至100：50。

9. 发明专利

JP2011140576A Pressure-sensitive adhesive composition, pressure-sensitive adhesive and pressure-sensitive adhesive sheet 有权
标题翻译：压敏粘合剂组合物，压敏粘合剂和压敏胶粘剂
公开(公告)号：JP2011140576A
公开(公告)日：2011-07-21
申请号：JP2010002346
申请日：2010-01-07
申请人： Lintec Corp , リンテック株式会社
发明人： KUROKAWA ATSUSHI
IPC分类号： C09J133/06 , B32B27/00 , B32B27/30 , C09J7/02 , C09J11/06 , C09J175/04 , G02B5/30 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide a pressure-sensitive adhesive composition that does not require ageing after formation of a pressure-sensitive adhesive layer, permits reduction of the thickness of the pressure-sensitive adhesive layer, and exhibits excellent stress relaxation properties of the pressure-sensitive adhesive layer and excellent reworkability, a pressure-sensitive adhesive and a pressure-sensitive adhesive sheet.
SOLUTION: The pressure-sensitive adhesive composition comprises (A) an acrylic polymer comprising as monomer units 50-99.8 mass% of an alkyl (meth)acrylate bearing 4C or higher alkyl group, 0.2-5 mass% of an acrylic acid ester bearing a hydroxy group, and at most 0.1 mass% of an unsaturated carboxylic acid and having a weight-average molecular weight of 800,000-2,000,000, (B) a hydrogen-withdrawing type photoinitiator and (C) a silane coupling agent, and does not substantially contain monomers or oligomers having a double bond, where the compounded amount of the hydrogen-withdrawing type photoinitiator is 0.6-8 pts.mass based on 100 pts.mass of the acrylic polymer and the compounded amount of the silane coupling agent is 0.01-1 pt.mass based on 100 pts.mass of the acrylic polymer.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提供在形成压敏粘合剂层之后不需要老化的压敏粘合剂组合物，可以降低压敏粘合剂层的厚度，并且显示出优异的应力松弛性能的压敏粘合剂层和优异的再加工性，压敏粘合剂和压敏粘合片。解决方案：压敏粘合剂组合物包含（A）丙烯酸类聚合物，其包含单体单元50-99.8质量％的含有4C或更高级烷基的（甲基）丙烯酸烷基酯，0.2-5质量％的丙烯酸酯，含有至多0.1质量％的不饱和羧酸，重均分子量为800,000-2,000,000，（B）吸氢型光引发剂和（C）硅烷偶联剂，并且基本上不含有具有双键的单体或低聚物，其中吸水型光引发剂的配合量为基于100磅丙烯酸聚合物的0.6-8重量份，硅烷偶联剂的配合量为0.01 -1 pt.mass，基于100 pts.mass的丙烯酸聚合物。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2013010838A Adhesive composition, adhesive, and adhesive sheet 有权
标题翻译：胶粘组合物，粘合剂和胶粘剂
公开(公告)号：JP2013010838A
公开(公告)日：2013-01-17
申请号：JP2011143598
申请日：2011-06-28
申请人： Lintec Corp , リンテック株式会社
发明人： KUROKAWA ATSUSHI , MATANO HITOSHI , ARAI TAKAYUKI , SHOSHI SATORU
IPC分类号： C09J133/14 , C09J7/02 , C09J11/06 , C09J175/04 , G02B5/30
摘要： PROBLEM TO BE SOLVED: To provide an adhesive composition which is excellent in a stress-relaxing property, can prevent the leak of light, is excellent in durability, and is good in a reworking property, when applied to optical members such as a polarizing plate; to provide an adhesive; and to provide an adhesive sheet.SOLUTION: The adhesive composition comprising the first (meth)acrylate polymer (A) having a weight-average mol. wt. of 500,000-3,000,000, the second (meth)acrylate polymer (B) having a weight-average mol. wt. of 8,000-300,000, and a cross-linking agent (C) is characterized in that (A) and (B) do substantially not contain an acidic group; (A) and (B) contain hydroxyl group-containing monomers; the reactivity of the hydroxyl group-containing monomer of (A) with the cross-linking agent (C) is smaller than that of the hydroxyl group-containing monomer of (B).
摘要翻译：解决问题的方案为了提供一种应力松弛性优异的粘合剂组合物，能够防止光的泄漏，耐久性优异，再加工性良好时，适用于光学元件偏振片; 提供粘合剂; 并提供粘合片。解决方案：包含第一（甲基）丙烯酸酯聚合物（A）的粘合剂组合物，其重均分子量重量为500,000-3,000,000，第二（甲基）丙烯酸酯聚合物（B）具有重均摩尔。重量（C）的特征在于（A）和（B）基本上不含有酸性基团; （A）和（B）含有含羟基的单体; （A）的含羟基单体与交联剂（C）的反应性小于（B）的含羟基单体的反应性。版权所有（C）2013，JPO＆INPIT

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