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公开(公告)号：US20120276378A1
公开(公告)日：2012-11-01
申请号：US13511716
申请日：2010-11-22
申请人： Masayuki Okamoto , Masahito Niwa , Naoaki Higuchi , Chie Kitano
发明人： Masayuki Okamoto , Masahito Niwa , Naoaki Higuchi , Chie Kitano
IPC分类号： C09J7/02
CPC分类号： C09D133/14 , C08F2220/1858 , C08G18/6225 , C08G18/8029 , C08G2170/40 , C09J7/22 , C09J7/38 , C09J175/14 , C09J2201/128 , C09J2201/622 , C09J2203/318 , C09J2433/00 , Y10T428/2848 , C08F220/58 , C08F226/08
摘要： An object of the present invention is to provide a double-coated pressure-sensitive adhesive sheet for optical use satisfying both high corrosion resistance and adhesion reliability. The double-coated pressure-sensitive adhesive sheet for optical use according to the present invention has a pressure-sensitive adhesive layer having a resistance ratio determined by a specific corrosion resistance test of from 90 to 120 and an average air bubble diameter of air bubbles determined by a specific bubbling delamination resistance test of 1.0 mm or less. Further, the double-coated pressure-sensitive adhesive sheet for optical use according to the present invention preferably has a total light transmittance of 90% or more and a haze of 1.5% or less.
摘要翻译： 本发明的目的是提供一种满足高耐蚀性和粘合可靠性的双重光学用粘合片。 根据本发明的用于光学用途的双面涂布压敏粘合片具有通过特定耐腐蚀性试验确定的电阻比为90至120并且确定气泡的平均气泡直径的压敏粘合剂层 通过1.0mm以下的特定的冒泡耐层析试验。 此外，根据本发明的双面光学用粘合片优选具有90％以上的总透光率和1.5％以下的雾度。
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2.发明申请公开(公告)号：US20120288710A1
公开(公告)日：2012-11-15
申请号：US13521115
申请日：2010-01-07
申请人： Masayuki Okamoto , Masahito Niwa , Chie Kitano
发明人： Masayuki Okamoto , Masahito Niwa , Chie Kitano
IPC分类号： C09J177/02 , B05D3/02 , C08F2/46 , B32B27/30
CPC分类号： C09J139/04 , C09J7/385 , Y10T428/2891 , C08F2220/1858 , C08F226/06 , C08F2222/1013
摘要： An object of the present invention is to provide an acrylic pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive, which has excellent adhesiveness to an adherend having surface polarity of every kind and can exhibit excellent repulsion resistance even in a moist heat environment, and a pressure-sensitive adhesive sheet using the composition. The pressure-sensitive adhesive composition provided by the present invention contains a copolymerization reaction product of a monomer mixture. The monomer mixture contains an alkyl (meth)acrylate having an alkyl group with a carbon number of from 4 to 20 and N-vinylcaprolactam. The total sum amount thereof is 95% by mass or more of the whole of monomer components. An amount of N-vinylcaprolactam is from 12 to 40% by mass.
摘要翻译： 本发明的目的是提供一种能够形成粘合剂的丙烯酸类压敏粘合剂组合物，其对具有各种表面极性的被粘物具有优异的粘附性，并且即使在潮湿的热环境中也能表现出优异的抗斥性 和使用该组合物的压敏粘合片。 由本发明提供的压敏粘合剂组合物含有单体混合物的共聚反应产物。 单体混合物含有碳数为4〜20的烷基（甲基）丙烯酸烷基酯和N-乙烯基己内酰胺。 其总量为全部单体成分的95质量％以上。 N-乙烯基己内酰胺的量为12〜40质量％。
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公开(公告)号：US20120329970A1
公开(公告)日：2012-12-27
申请号：US13583079
申请日：2011-03-02
IPC分类号： C08F226/10
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。
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公开(公告)号：US08247509B2
公开(公告)日：2012-08-21
申请号：US12469901
申请日：2009-05-21
申请人： Masayuki Okamoto , Masahito Niwa , Naoaki Higuchi
发明人： Masayuki Okamoto , Masahito Niwa , Naoaki Higuchi
CPC分类号： C09J7/385 , C09J2205/31 , Y10T428/2887
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, 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, and N-methylol (meth)acrylamide (monomer m2); in which the monomer m1 and the monomer m2 are contained in a total amount of 60% by weight or more based on the total amount of the monomer mixture, and the monomer mixture includes 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，该组合物包括单体混合物或通过使单体混合物至少部分聚合得到的丙烯酸共聚物材料， 所述单体混合物包含：选自由下式（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为氢原子或甲基的CH 2 = C（R 1）COOR 2，R 2 是具有1至20个碳原子的烷基，和N-羟甲基（甲基）丙烯酰胺（单体m2）; 其中单体m1和单体m2的含量相对于单体混合物的总量为60重量％以上，单体混合物基本上不含有含羧基的单体。
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公开(公告)号：US20110112249A1
公开(公告)日：2011-05-12
申请号：US12941450
申请日：2010-11-08
申请人： Shou Takarada , Takahiro Nonaka , Hiroaki Kishioka , Hiroaki Fumoto , Tomohide Banba , Masayuki Okamoto , Masahito Niwa
发明人： Shou Takarada , Takahiro Nonaka , Hiroaki Kishioka , Hiroaki Fumoto , Tomohide Banba , Masayuki Okamoto , Masahito Niwa
IPC分类号： C08F265/04 , C08L75/04
CPC分类号： C09J133/066 , C09J7/10 , C09J131/04 , C09J133/02 , C09J133/06 , C09J2201/622 , C09J2433/00 , G02F2202/28 , Y10T428/31935
摘要： The present invention provides an optical-use pressure-sensitive adhesive sheet, which includes a pressure-sensitive adhesive layer containing a polymer formed of one or more monomer ingredients containing, as an indispensable monomer ingredient, a monomer of which homopolymer has a glass transition temperature of not lower than −10° C., said sheet having a moisture content of at least 0.65% by weight after stored in an environment at 60° C. and 95% RH for 120 hours. The pressure-sensitive adhesive layer is preferably an acrylic pressure-sensitive adhesive layer.
摘要翻译： 本发明提供一种光学用粘合片，其包含含有由一种或多种单体成分形成的聚合物的压敏粘合剂层，所述单体成分含有作为不可缺少的单体成分的均聚物具有玻璃化转变温度 不低于-10℃，所述片材在60℃和95％RH的环境中储存120小时后具有至少0.65重量％的水分含量。 压敏粘合剂层优选为丙烯酸类压敏粘合剂层。
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公开(公告)号：US20100080990A1
公开(公告)日：2010-04-01
申请号：US12450551
申请日：2008-03-31
CPC分类号： C09J153/00 , C08F293/00 , C08F293/005 , C08L33/06 , C08L2666/02 , C08L2666/04 , C09D153/00 , C09D153/02 , C09D153/025 , C09J7/381 , C09J121/00 , C09J123/22 , C09J153/02 , C09J153/025 , C09J2203/306 , C09J2409/00 , C09J2433/00 , C09J2453/00 , Y10T428/2852 , Y10T428/2878
摘要： Provided is a sheet for protecting coatings that shows superior adhesiveness even to coatings often causing low adhesive by bleeding for example of leveling agent and others without a washing treatment and the like, retains its preferable adhesion state for an extended period of time, and is easily releasable when separated even after being bonded for an extended period of time.The sheet for protecting coatings according to the present invention is characterized by including a supporting substrate and a pressure-sensitive adhesive layer formed at least on one side thereof, containing a rubber-based polymer and an aliphatic (meth)acrylic oligomer having a glass transition temperature of 30 to 100° C. and a weight-average molecular weight of 1000 to 20,000, wherein the blending amount of the (meth)acrylic oligomer is 0.02 to 1 wt part with respect to 100 wt parts of the rubber-based polymer.
摘要翻译： 提供了一种用于保护涂层的片材，即使对于通常通过例如流平剂等流平剂而导致低粘合剂的涂层也没有洗涤处理等而具有优异的粘合性，在较长时间内保持其优选的粘附状态，并且容易 即使在长时间粘合后也可分离。 根据本发明的用于保护涂层的片材的特征在于包括支撑基材和至少一面形成的压敏粘合剂层，其包含橡胶基聚合物和具有玻璃化转变的脂族（甲基）丙烯酸低聚物 温度为30〜100℃，重均分子量为1000〜20,000，其中，相对于100重量份的橡胶系聚合物，（甲基）丙烯酸系低聚物的配合量为0.02〜1重量份。
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公开(公告)号：US20110124833A1
公开(公告)日：2011-05-26
申请号：US12945282
申请日：2010-11-12
申请人： Jun ISHIKURA , Raito Funayama , Yu Tachikawa , Junichi Sekiya , Tsuyoshi Kasahara , Masayuki Okamoto , Masahito Niwa
发明人： Jun ISHIKURA , Raito Funayama , Yu Tachikawa , Junichi Sekiya , Tsuyoshi Kasahara , Masayuki Okamoto , Masahito Niwa
IPC分类号： C09J133/26
摘要： There is provided a medical pressure-sensitive adhesive composition including an acrylic copolymer obtained by copolymerizing monomer components containing (a) at least one kind of a monomer of a (meth)acrylic acid alkyl ester and (b) at least one kind of a monomer of an N-hydroxyalkyl(meth)acrylamide, wherein: a content of the (meth)acrylic acid alkyl ester monomer (a) with respect to a total amount of the monomer components is 50 weight % to 99.9 weight % and a content of the N-hydroxyalkyl(meth)acrylamide monomer (b) with respect to the total amount is 0.1 weight % to 20 weight %; and the monomer components are substantially free of a monomer having a carboxyl group. The medical pressure-sensitive adhesive composition of the present invention is particularly suitable for applications such as medical patches and patch preparations.
摘要翻译： 提供一种医用压敏粘合剂组合物，其包含通过共聚单体成分而获得的丙烯酸共聚物，所述单体成分含有（a）至少一种（甲基）丙烯酸烷基酯的单体和（b）至少一种单体 的（甲基）丙烯酰胺的N-羟烷基酯，其中：（甲基）丙烯酸烷基酯单体（a）的含量相对于单体成分的总量为50重量％〜99.9重量％ N-羟烷基（甲基）丙烯酰胺单体（b）相对于总量为0.1重量％至20重量％ 并且单体组分基本上不含具有羧基的单体。 本发明的医用压敏粘合剂组合物特别适用于医用贴剂和贴片制剂等。
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公开(公告)号：US08691924B2
公开(公告)日：2014-04-08
申请号：US12941450
申请日：2010-11-08
申请人： Shou Takarada , Takahiro Nonaka , Hiroaki Kishioka , Hiroaki Fumoto , Tomohide Banba , Masayuki Okamoto , Masahito Niwa
发明人： Shou Takarada , Takahiro Nonaka , Hiroaki Kishioka , Hiroaki Fumoto , Tomohide Banba , Masayuki Okamoto , Masahito Niwa
IPC分类号： C08F226/10 , C08F220/28 , B32B27/30 , C09J4/02 , C08F2/48
CPC分类号： C09J133/066 , C09J7/10 , C09J131/04 , C09J133/02 , C09J133/06 , C09J2201/622 , C09J2433/00 , G02F2202/28 , Y10T428/31935
摘要： The present invention provides an optical-use pressure-sensitive adhesive sheet, which includes a pressure-sensitive adhesive layer containing a polymer formed of one or more monomer ingredients containing, as an indispensable monomer ingredient, a monomer of which homopolymer has a glass transition temperature of not lower than −10° C., said sheet having a moisture content of at least 0.65% by weight after stored in an environment at 60° C. and 95% RH for 120 hours. The pressure-sensitive adhesive layer is preferably an acrylic pressure-sensitive adhesive layer.
摘要翻译： 本发明提供一种光学用粘合片，其包含含有由一种或多种单体成分形成的聚合物的压敏粘合剂层，所述单体成分含有作为不可缺少的单体成分的均聚物具有玻璃化转变温度 不低于-10℃，所述片材在60℃和95％RH的环境中储存120小时后具有至少0.65重量％的水分含量。 压敏粘合剂层优选为丙烯酸类压敏粘合剂层。
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公开(公告)号：US20120328873A1
公开(公告)日：2012-12-27
申请号：US13583039
申请日：2011-03-02
IPC分类号： C09J7/02
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 having satisfactory colorlessness/transparency, excels in whitening resistance, high-temperature bonding reliability, bump absorptivity, and in workability. The sheet includes a plastic film substrate and, on at least one side thereof, 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% RH for 120 hours. The plastic film substrate has a total light transmittance of 88% or more, an internal haze of 1.5% or less, a b* value of −0.5 to 0.5, and a thickness of 12 to 75 μm, the acrylic pressure-sensitive adhesive layer contains an acrylic polymer and has a storage shear modulus at 23° C. of 0.8×105 to 5.0×105 Pa, and the acrylic polymer is formed from, as an essential monomer component, a monomer forming a homopolymer with a glass transition temperature of −10° C. or higher.
摘要翻译： 提供了具有令人满意的无色/透明性，耐白化性，高温粘合可靠性，凸起吸收性和可加工性的光学粘合片。 该片材包括塑料膜基材，并且在其至少一侧上具有丙烯酸类压敏粘合剂层，并且在60℃和95％RH的环境中保存后的水分含量为0.65重量％以上，为 120小时。 塑料薄膜基板的总透光率为88％以上，内部雾度为1.5％以下，ab *值为-0.5〜0.5，厚度为12〜75μm，丙烯酸系压敏粘合剂层含有 丙烯酸类聚合物，并且在23℃下的储存剪切模量为0.8×10 5〜5.0×10 5 Pa，丙烯酸类聚合物由形成均聚物的单体形成为玻璃化转变温度为 - 10℃以上。
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10.发明申请公开(公告)号：US20120258247A1
公开(公告)日：2012-10-11
申请号：US13518571
申请日：2010-12-21
申请人： Masahito Niwa , Masayuki Okamoto
发明人： Masahito Niwa , Masayuki Okamoto
IPC分类号： C09J133/04 , B05D5/10 , C08F220/10
CPC分类号： C08F220/18 , C08F226/06 , C09J7/385 , C09J133/14 , C09J137/00 , C09J139/04 , C08F2220/1858 , C08F220/36 , C08F222/1006
摘要： Provided are a PSA composition capable of forming a PSA having an excellent high-temperature cohesive strength and low-temperature adhesive strength with low corrosiveness to metal; and a PSA sheet formed of the composition. The PSA composition comprises a copolymerization product of a monomer mixture having a composition containing at least an alkyl(meth)acrylate having an alkyl group with 1 to 20 carbon atoms and an oxazoline-group-containing unsaturated monomer (monomer m2). The amount of monomer m2 relative to all monomer components is 1 to 70% by weight.
摘要翻译： 提供一种能够形成具有优异的高温内聚强度和低金属腐蚀性的低温粘合强度的PSA的PSA组合物; 和由该组合物形成的粘合片。 粘合剂组合物包含具有至少含有具有1-20个碳原子的烷基的（甲基）丙烯酸烷基酯和含有恶唑啉基的不饱和单体（单体m2）的组合物的单体混合物的共聚产物。 相对于所有单体成分的单体m2的量为1〜70重量％。
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