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1. 发明授权

US08945710B2 Optical pressure-sensitive adhesive sheet 有权
标题翻译：光学胶粘片
公开(公告)号：US08945710B2
公开(公告)日：2015-02-03
申请号：US13583079
申请日：2011-03-02
申请人： Hiroaki Kishioka , Hiroaki Fumoto , Masayuki Okamoto , Masahito Niwa
发明人： Hiroaki Kishioka , Hiroaki Fumoto , Masayuki Okamoto , Masahito Niwa
IPC分类号： C09J7/02 , C09J133/16 , C09J133/24 , C09J133/06 , B32B7/12 , B32B27/36 , G02F1/1335
CPC分类号： C09J133/066 , B32B7/12 , B32B27/36 , B32B2307/202 , C09J7/22 , C09J7/38 , C09J2201/622 , C09J2433/00 , G02F1/1335 , G02F2202/28 , Y10T428/266 , Y10T428/2891
摘要： Provided is an optical pressure-sensitive adhesive sheet which excels in whitening resistance and high-temperature bonding reliability and exhibits superior bump absorptivity. The optical pressure-sensitive adhesive sheet according to the present invention includes an acrylic pressure-sensitive adhesive layer and has a moisture content of 0.65 percent by weight or more after storage in an environment of 60° C. and 95 percent relative humidity for 120 hours, in which the acrylic pressure-sensitive adhesive layer contains an acrylic polymer and has a storage shear modulus at 23° C. of from 0.8×105 to 5.0×105 Pa, and the acrylic polymer is formed from, as an essential monomer component, a monomer that will form a homopolymer having a glass transition temperature of −10° C. or higher.
摘要翻译：本发明提供一种耐美白性和高温接合可靠性优异的凸起吸收性优异的光学粘合片。根据本发明的光学粘合片包括丙烯酸类压敏粘合剂层，并且在60℃和95％相对湿度的环境中保存120小时后的含水量为0.65重量％以上其中丙烯酸类压敏粘合剂层含有丙烯酸类聚合物，并且在23℃下的储存剪切模量为0.8×10 5至5.0×10 5 Pa，丙烯酸类聚合物由作为必需单体组分形成，将形成玻璃化转变温度为-10℃或更高的均聚物的单体。

2. 发明授权

US08597786B2 Pressure-sensitive adhesive composition, pressure-sensitive adhesive sheet, and method for producing the same 失效
标题翻译：压敏粘合剂组合物，压敏粘合片及其制造方法
公开(公告)号：US08597786B2
公开(公告)日：2013-12-03
申请号：US12470048
申请日：2009-05-21
申请人： Masahito Niwa , Masayuki Okamoto , Naoaki Higuchi
发明人： Masahito Niwa , Masayuki Okamoto , Naoaki Higuchi
IPC分类号： B32B7/14 , B32B15/082 , C08J3/28 , C08F2/46
CPC分类号： C09J7/385 , C09J2205/31
摘要： The present invention relates to a pressure-sensitive adhesive composition including, as a main ingredient, a monomer mixture or an acrylic copolymer material obtained by at least partially polymerizing the monomer mixture, the monomer mixture including: at least one monomer (monomer m1) selected from alkyl (meth)acrylates represented by the following formula (I) CH2═C(R1)COOR2 in which R1 is a hydrogen atom or a methyl group, and R2 is an alkyl group having 1 to 20 carbon atoms: at least one monomer (monomer m2) selected from N-hydroxyalkyl(meth)acrylamides represented by the following formula (II) CH2═C(R1)CONHR4 in which R3 is a hydrogen atom or a methyl group, and R4 is a hydroxyalkyl group having 2 to 4 carbon atoms: and at least one monomer (monomer m3) selected from N-vinyl cyclic amides and (meth)acrylamides that may have an N-alkyl group; and the monomer mixture including substantially no carboxyl group-containing monomer.
摘要翻译：本发明涉及一种压敏粘合剂组合物，其包含通过使单体混合物至少部分聚合而获得的单体混合物或丙烯酸共聚物材料作为主要成分，所述单体混合物包括：选择至少一种单体（单体m1）由下式（I）表示的（甲基）丙烯酸烷基酯：其中R1是氢原子或甲基，R2是具有1-20个碳原子的烷基的COR（R1）COOR2：至少一种单体（II）所表示的N-羟烷基（甲基）丙烯酰胺的（单体m 2）CH 2 = C（R 1）CONHR 4，其中R 3为氢原子或甲基，R 4为具有2〜4个和至少一种选自N-乙烯基环状酰胺和可以具有N-烷基的（甲基）丙烯酰胺的单体（单体m3）; 并且单体混合物基本上不含有含羧基的单体。

3. 发明申请

US20130011658A1 ACRYLIC PRESSURE-SENSITIVE ADHESIVE TAPE 审中-公开
标题翻译：丙烯酸压敏胶带
公开(公告)号：US20130011658A1
公开(公告)日：2013-01-10
申请号：US13614578
申请日：2012-09-13
申请人： Masayuki OKAMOTO , Masahito NIWA , Jun AKIYAMA , Kiyoe SHIGETOMI
发明人： Masayuki OKAMOTO , Masahito NIWA , Jun AKIYAMA , Kiyoe SHIGETOMI
IPC分类号： C09J7/02 , B32B3/26
CPC分类号： B32B27/08 , B32B27/30 , C08L33/08 , C09J7/22 , C09J7/38 , C09J133/08 , C09J2205/11 , C09J2433/00 , C09J2433/006 , Y10T428/249983 , Y10T428/2887
摘要： An acrylic pressure-sensitive adhesive tape includes: a core layer; and a surface layer provided on one or both sides of the core layer. The core layer contains an acrylic polymer (A), and the surface layer contains: an acrylic polymer (D) that includes, as a monomer unit, a vinyl monomer having a nitrogen atom in its backbone and that does not substantially include a carboxyl group-containing monomer; and a (meth)acrylic polymer (E) having a weight average molecular weight of 1000 or more and less than 30000.
摘要翻译：丙烯酸类压敏粘合带包括：芯层; 以及设置在芯层的一侧或两侧的表面层。核心层含有丙烯酸类聚合物（A），表面层含有丙烯酸类聚合物（D），其包含作为单体单元的在其主链上具有氮原子的乙烯基单体，基本上不包含羧基的单体; 和重均分子量为1000以上且小于30000的（甲基）丙烯酸系聚合物（E）。

4. 发明申请

US20130004769A1 ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND ACRYLIC PRESSURE-SENSITIVE ADHESIVE TAPE 审中-公开
标题翻译：丙烯酸压敏粘合剂组合物和丙烯酸压敏粘合胶带
公开(公告)号：US20130004769A1
公开(公告)日：2013-01-03
申请号：US13614706
申请日：2012-09-13
申请人： Masayuki OKAMOTO , Masahito NIWA , Jun AKIYAMA , Kiyoe SHIGETOMI
发明人： Masayuki OKAMOTO , Masahito NIWA , Jun AKIYAMA , Kiyoe SHIGETOMI
IPC分类号： C09J139/06 , C09J133/08 , C09J133/12 , B32B27/30 , C09J133/10
CPC分类号： C09J133/24 , C09J7/385 , C09J139/04 , Y10T428/2887
摘要： An acrylic pressure-sensitive adhesive composition includes: an acrylic polymer (A) that contains, as a monomer unit, a vinyl monomer having a nitrogen atom in its backbone and that does not substantially contain a carboxyl group-containing monomer; and a (meth)acrylic polymer (B) having a weight average molecular weight of 1000 or more and less than 30000.
摘要翻译：丙烯酸类压敏粘合剂组合物包括：丙烯酸类聚合物（A），其在其主链中含有具有氮原子的基本上不含有羧基的单体的乙烯基单体作为单体单元; 和重均分子量为1000以上且小于30000的（甲基）丙烯酸系聚合物（B）。

5. 发明申请

US20120220714A1 Pressure-Sensitive Adhesive Composition and Pressure-Sensitive Adhesive Sheet to be Attached to Metal Surface 审中-公开
标题翻译：压敏粘合剂组合物和压敏粘合片附着在金属表面
公开(公告)号：US20120220714A1
公开(公告)日：2012-08-30
申请号：US13410326
申请日：2012-03-02
申请人： Masahito NIWA , Masayuki Okamoto , Naoaki Higuchi
发明人： Masahito NIWA , Masayuki Okamoto , Naoaki Higuchi
IPC分类号： C09J133/26
CPC分类号： C09J7/385 , C09J2433/00
摘要： The present invention relates to a pressure-sensitive adhesive composition including, as a base polymer, an acrylic copolymer obtained by polymerizing a monomer mixture including: at least one monomer (monomer m1) selected from alkyl(meth)acrylates represented by the formula (I): CH2═C(R1)COOR2, in an amount of 50 to 99.9% by weight based on a total amount of the monomer mixture, and at least one monomer (monomer m2) selected from N-hydroxyalkyl(meth)acrylamides represented by the formula (II): CH2═C(R3)CONHR4, in an amount of 0.1 to 25% by weight based on the total amount of the monomer mixture; and the monomer mixture including substantially no carboxyl group-containing monomer.
摘要翻译：本发明涉及一种压敏粘合剂组合物，其包含作为基础聚合物的通过聚合单体混合物获得的丙烯酸共聚物，所述单体混合物包含：至少一种选自由式（I）表示的（甲基）丙烯酸烷基酯的单体（单体m1））：CH 2 = C（R 1）COOR 2，相对于单体混合物的总量为50〜99.9重量％，和至少一种选自N-羟烷基（甲基）丙烯酰胺的单体（单体m2）式（II）：CH2 = C（R3）CONHR4，相对于单体混合物的总量为0.1〜25重量％并且单体混合物基本上不含有含羧基的单体。

6. 发明申请

US20120123046A1 PRESSURE-SENSITIVE ADHESIVE COMPOSITION, PRESSURE-SENSITIVE ADHESIVE LAYER, AND PRESSURE-SENSITIVE ADHESIVE TAPE OR SHEET 审中-公开
标题翻译：压敏粘合剂组合物，压敏胶粘剂层和压敏胶粘带或薄片
公开(公告)号：US20120123046A1
公开(公告)日：2012-05-17
申请号：US13295352
申请日：2011-11-14
申请人： Masahito NIWA , Tooru NAKASHIMA
发明人： Masahito NIWA , Tooru NAKASHIMA
IPC分类号： C09J139/06 , C09J147/00 , C09J133/24 , C09J139/04
CPC分类号： C09J133/26 , C08F2220/1825 , C08F2220/1858 , C08F2220/1883 , C08F2222/1013 , C08F226/10 , C08F2220/1875 , C08F226/06 , C08F220/06
摘要： The present invention relates to a pressure-sensitive adhesive composition comprising: a monomer mixture comprising the following (a1), (a2) and (a3) or partially polymerized product thereof; and thermal-expandable fine particles: (a1): alkyl (meth)acrylate monomer having 4 to 12 carbon atoms in its alkyl moiety and having a glass transition temperature when formed into a homopolymer of lower than 0° C.; (a2): monomer having at least one nitrogen atom and one ethylenically unsaturated bond in its molecule; and (a3): monomer having one ethylenically unsaturated bond in its molecule and having a glass transition temperature when formed into a homopolymer of 0° C. or higher (excluding (a2) above).
摘要翻译：本发明涉及一种压敏粘合剂组合物，其包含：包含以下（a1），（a2）和（a3）或其部分聚合产物的单体混合物; 和热膨胀性微粒：（a1）：在其烷基部分具有4〜12个碳原子的（甲基）丙烯酸烷基酯单体，并且当形成低于0℃的均聚物时具有玻璃化转变温度; （a2）：在其分子中具有至少一个氮原子和一个烯属不饱和键的单体; 和（a3）：在其分子中具有一个烯键式不饱和键的单体，当形成0℃或更高的均聚物（不包括（a2））时具有玻璃化转变温度。

7. 发明申请

US20110236682A1 ACRYLIC PRESSURE-SENSITIVE ADHESIVE SHEET, ACRYLIC PRESSURE-SENSITIVE ADHESIVE SHEET MANUFACTURING METHOD, AND LAMINATED CONSTRUCTION 审中-公开
标题翻译：丙烯酸压敏粘合片，丙烯酸压敏粘合片制造方法和层压结构
公开(公告)号：US20110236682A1
公开(公告)日：2011-09-29
申请号：US13132134
申请日：2009-12-01
申请人： Masayuki Okamoto , Masahito Niwa , Naoaki Higuchi
发明人： Masayuki Okamoto , Masahito Niwa , Naoaki Higuchi
IPC分类号： C09J7/02 , B05D3/06 , B29C39/00 , C09J133/26 , C09J139/06
CPC分类号： C09J133/26 , C08F2220/1858 , C09J133/14 , C09J2201/606 , Y10T428/2887 , C08F220/58 , C08F226/08 , C08F222/1006 , C08F220/56
摘要： The present invention provides a pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer which has both high corrosion resistance and adhesion reliability. The acrylic pressure-sensitive adhesive sheet of the present invention contains at least an acrylic pressure-sensitive adhesive layer containing as a main component an acrylic polymer formed from a composition containing a monomer mixture or a partially polymerized product thereof, in which the monomer mixture contains the following (m1), (m2) and (m3), or (m1), (m2), (m3) and (m4), and in which a content of each component (m1), (m2), (m3), and (m4) is 35 to 97.5% by mass, 2 to 40% by mass, 0.1 to 25% by mass, and 0 to 30% by mass, respectively: (m1) an alkyl(meth)acrylate monomer having an alkyl group with 1 to 12 carbon atoms, which is represented by Formula (1), [Chem. 1] CH2═C(R1)COOR2 (1) (in Formula (I), R1 represents a hydrogen atom or a methyl group, and R2 represents an alkyl group with 1 to 12 carbon atoms); (m2) a vinylic monomer having a nitrogen atom(s) in its skeleton (excluding (m3)); (m3) an N-hydroxyalkyl(meth)acrylamide monomer having a hydroxyalkyl group with 1 to 4 carbon atoms; and (m4) a monomer copolymerizable with the above-described (m1) to (m3).
摘要翻译：本发明提供一种具有耐腐蚀性和粘合可靠性高的压敏粘合剂层的压敏粘合片。本发明的丙烯酸类压敏粘合片至少含有丙烯酸类压敏粘合剂层，其含有由含有单体混合物或其部分聚合产物的组合物形成的丙烯酸类聚合物，其中单体混合物含有（m1），（m2）和（m3）或（m1），（m2），（m3）和（m4），其中各成分（m1），（m2），（m4）分别为35〜97.5质量％，2〜40质量％，0.1〜25质量％，0〜30质量％（m1）（甲基）丙烯酸烷基酯单体，具有1至12个碳原子的基团，其由式（1）表示，[Chem。 1] CH 2 = C（R 1）COOR 2（1）（式（I）中，R 1表示氢原子或甲基，R 2表示碳原子数1〜12的烷基）。（m2）骨架中具有氮原子的乙烯基单体（不包括（m3））; （m3）具有1-4个碳原子的羟烷基的N-羟烷基（甲基）丙烯酰胺单体; 和（m4）可与上述（m1）至（m3）共聚的单体。

8. 发明申请

US20110159195A1 PRESSURE-SENSITIVE ADHESIVE COMPOSITION, PRESSURE-SENSITIVE ADHESIVE SHEET AND METHOD FOR PRODUCING PRESSURE-SENSITIVE ADHESIVE SHEET 审中-公开
标题翻译：压敏粘合剂组合物，压敏粘合片及其制造压敏粘合片的方法
公开(公告)号：US20110159195A1
公开(公告)日：2011-06-30
申请号：US12975453
申请日：2010-12-22
申请人： Masahito NIWA , Masayuki OKAMOTO , Chie KITANO
发明人： Masahito NIWA , Masayuki OKAMOTO , Chie KITANO
IPC分类号： C08F226/06 , C08F220/18 , C08F226/10 , C08F220/68 , B05D3/02
CPC分类号： C08F220/18 , C08F220/68 , C08F226/06 , C08F226/10
摘要： The present invention relates to an acrylic pressure-sensitive adhesive composition comprising a copolymerization reaction product of a monomer mixture satisfying the following both conditions: (a) the monomer mixture includes a monomer m1 in an amount of 50% by mass or more based on whole monomer components constituting the monomer mixture, wherein the monomer m1 is an alkyl (meth)acrylate represented by the following formula (I): CH2═C(R1)COOR2 (I) wherein R1 represents a hydrogen atom or a methyl group, and R2 represents an alkyl group having from 1 to 20 carbon atoms; and (b) the monomer mixture includes a monomer m2 in an amount of 12% by mass or more based on the whole monomer components constituting the monomer mixture, or a monomer m2 and a monomer m3 in an amount in total of 12% by mass or more based on the whole monomer components constituting the monomer mixture, wherein the monomer m2 is an imidazole group-containing unsaturated monomer, and the monomer m3 is an amide group-containing unsaturated monomer.
摘要翻译：本发明涉及包含满足以下两个条件的单体混合物的共聚反应产物的丙烯酸类压敏粘合剂组合物：（a）单体混合物包含基于整体的50质量％以上的单体m1 构成单体混合物的单体成分，其中，单体m1为下式（I）表示的（甲基）丙烯酸烷基酯：CH2 = C（R1）COOR2（Ⅰ）其中，R1表示氢原子或甲基，R2表示表示具有1至20个碳原子的烷基; 和（b）单体混合物包含基于构成单体混合物的全部单体组分的12质量％以上的单体m2，单体m2和单体m3的总量为12质量％或更多，基于构成单体混合物的全部单体成分，其中，单体m2为含咪唑基的不饱和单体，单体m3为含酰胺基的不饱和单体。

9. 发明申请

US20100101723A1 ACRYLIC PRESSURE-SENSITIVE ADHESIVE COMPOSITION, ACRYLIC PRESSURE-SENSITIVE ADHESIVE SHEET, AND METHODS FOR BONDING THE SHEET TO AUTOMOTIVE COATING 审中-公开
标题翻译：丙烯酸压敏粘合剂组合物，丙烯酸压敏粘合片及将其与汽车涂料粘合的方法
公开(公告)号：US20100101723A1
公开(公告)日：2010-04-29
申请号：US12450880
申请日：2008-04-15
申请人： Masayuki Okamoto , Mitsuyoshi Shirai , Masanori Uesugi , Takashi Kondou , Masahito Niwa , Shinji Inokuchi
发明人： Masayuki Okamoto , Mitsuyoshi Shirai , Masanori Uesugi , Takashi Kondou , Masahito Niwa , Shinji Inokuchi
IPC分类号： C09J133/12 , B32B15/09 , B29C65/52
CPC分类号： C09J133/08 , C08K7/22 , C08L83/00 , C08L83/04 , C08L2312/06 , C09J7/385 , C09J2205/106 , C09J2205/11 , Y10T428/2878
摘要： Disclosed is an acrylic pressure-sensitive adhesive composition that gives a pressure-sensitive adhesive layer exhibiting superior adhesiveness even to coatings, which are likely to cause low adhesion due to bleeding typically of a surface conditioner, without requiring, for example, washing process.The acrylic pressure-sensitive adhesive composition contains a vinyl monomer or a partial polymer thereof (a); and a (meth)acrylate co-oligomer (b), in which the vinyl monomer contains, as a main component, an alkyl(meth)acrylate monomer (a1) having an alkyl group with 2 to 14 carbon atoms, and the (meth)acrylate co-oligomer (b) has a weight-average molecular weight of from 1000 to 30000 and contains, as monomer components, 96 to 99.5 percent by weight of an alkyl(meth)acrylate (b1) and 0.1 to 4 percent by weight of a (meth)acryloyl group-containing silicone oil (b2).
摘要翻译：公开了一种丙烯酸类压敏粘合剂组合物，其赋予即使对于涂料也显示出优异的粘附性的压敏粘合剂层，这可能由于通常由表面调节剂的渗色而导致低粘合性，而不需要例如洗涤方法。丙烯酸类压敏粘合剂组合物含有乙烯基单体或其部分聚合物（a）; 和（甲基）丙烯酸酯共聚物（b），其中乙烯基单体含有具有2〜14个碳原子的烷基的（甲基）丙烯酸烷基酯单体（a1）作为主要成分，和（甲基）丙烯酸酯共聚物）丙烯酸酯共聚物（b）的重均分子量为1000〜30000，作为单体成分，含有（甲基）丙烯酸烷基酯（b1）的96〜99.5重量％和（b）0.1〜4重量％的（甲基）丙烯酰基的硅油（b2）。

10. 发明申请

US20090292095A1 PRESSURE-SENSITIVE ADHESIVE COMPOSITION AND PRESSURE-SENSITIVE ADHESIVE SHEET TO BE ATTACHED TO METAL SURFACE 审中-公开
标题翻译：压敏胶粘组合物和压力敏感粘合片贴在金属表面
公开(公告)号：US20090292095A1
公开(公告)日：2009-11-26
申请号：US12469962
申请日：2009-05-21
申请人： Masahito NIWA , Masayuki OKAMOTO , Naoaki HIGUCHI
发明人： Masahito NIWA , Masayuki OKAMOTO , Naoaki HIGUCHI
IPC分类号： C08F220/56
CPC分类号： C09J7/385 , C09J2433/00
摘要： The present invention relates to a pressure-sensitive adhesive composition used for a pressure-sensitive adhesive sheet to be directly attached to a metal surface, the composition including, as a base polymer, an acrylic copolymer obtained by polymerizing a monomer mixture, the monomer mixture including: at least one monomer (monomer m1) selected from alkyl(meth)acrylates represented by the formula (I): CH2═C(R1)COOR2 in which R1 is a hydrogen atom or a methyl group, and R2 is an alkyl group having 1 to 20 carbon atoms, in an amount of 50 to 99.9% by weight based on a total amount of the monomer mixture, and at least one monomer (monomer m2) selected from N-hydroxyalkyl(meth)acrylamides represented by the formula (II): CH2═C(R3)CONHR4 in which R3 is a hydrogen atom or a methyl group, and R4 is a hydroxyalkyl group having 2 to 4 carbon atoms, in an amount of 0.1 to 25% by weight based on the total amount of the monomer mixture; and the monomer mixture including substantially no carboxyl group-containing monomer.
摘要翻译：本发明涉及直接附着在金属表面上的用于粘合片的压敏粘合剂组合物，该组合物包括作为基础聚合物的通过聚合单体混合物获得的丙烯酸共聚物，单体混合物包括：选自由式（I）表示的（甲基）丙烯酸烷基酯的至少一种单体（单体m1）：其中R 1是氢原子或甲基，且R 2是烷基的CH 2 -C（R 1）COOR 2 具有1至20个碳原子，其量为基于单体混合物总量的50至99.9重量％，以及至少一种选自由式（N）表示的N-羟烷基（甲基）丙烯酰胺的单体（单体m2） II）：其中R3是氢原子或甲基的CH2-C（R3）CONHR4，R4是具有2至4个碳原子的羟烷基，其量为基于总量的0.1至25重量％的单体混合物; 并且单体混合物基本上不含有含羧基的单体。

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