公开(公告)号：US20130266805A1

公开(公告)日：2013-10-10

申请号：US13856577

申请日：2013-04-04

Applicant: NITTO DENKO CORPORATION

Inventor： Kenichi Kataoka ,  Tatsumi Amano

IPC: C09J7/02

CPC classification number: C08L83/08 ,  C08G18/6229 ,  C08G18/6254 ,  C08G18/792 ,  C08K3/24 ,  C08K5/0091 ,  C08K5/098 ,  C08K5/29 ,  C08K5/43 ,  C09J7/385 ,  C09J9/02 ,  C09J133/066 ,  C09J2201/602 ,  C09J2203/318 ,  C09J2205/102 ,  Y10T428/2848 ,  Y10T428/2857 ,  C08F2220/1858 ,  C08F220/20 ,  C08F220/06

Abstract: The present invention provides a pressure-sensitive adhesive composition which can form a pressure-sensitive sheet excellent in adhesive properties (adherability, easy peeling property at the time of high speed peeling, and re-peeling property) and the antistatic property and which has long pot life. The pressure-sensitive composition of the present invention is a pressure-sensitive adhesive composition comprising a (meth)acryl-based polymer composed of, as raw material monomers, a (meth)acryl-based monomer having an alkyl group of 1 to 14 carbon atoms and a hydroxyl group-containing (meth)acryl-based monomer, an alkali metal salt, and a catalyst having iron as an active center, wherein the hydroxyl group-containing (meth)acryl-based monomer is contained in an amount of 6 parts by weight or more to 100 parts by weight of the (meth)acryl-based monomer having an alkyl group of 1 to 14 carbon atoms.

Abstract translation: 本发明提供一种压敏粘合剂组合物，其可以形成粘合性（粘接性，高速剥离时的易剥离性，再剥离性）和抗静电性优异的粘合片 适合年龄 本发明的压敏组合物是包含（甲基）丙烯酸类聚合物作为原料单体的具有1〜14个碳原子的（甲基）丙烯酸类单体的粘合剂组合物， 原子和含羟基的（甲基）丙烯酸类单体，碱金属盐和具有铁作为活性中心的催化剂，其中含羟基的（甲基）丙烯酸类单体的含量为6 重量份至100重量份具有1至14个碳原子的烷基的（甲基）丙烯酸类单体。

公开(公告)号：US20130260148A1

公开(公告)日：2013-10-03

申请号：US13853010

申请日：2013-03-28

Applicant: NITTO DENKO CORPORATION

Inventor： Kenichi Kataoka ,  Natsuki Ukei ,  Tatsumi Amano ,  Kenjiro Niimi

IPC: C09J7/02

CPC classification number: C09J7/385 ,  C09J7/38 ,  C09J2201/622 ,  C09J2203/318 ,  Y10T428/28 ,  Y10T428/2852 ,  Y10T428/2891 ,  Y10T428/31663 ,  Y10T428/31938

Abstract: The present invention provides a pressure-sensitive adhesive sheet having an adequate adhesion so as not to cause blistering and peeling with the lapse of time and is excellent in re-peeling property and workability. The pressure-sensitive adhesive sheet provided is a pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer formed using a pressure-sensitive adhesive composition on one or both surfaces of a supporting film, in which the shift length after 30 minutes from a creep test carried out at 23° C. and a shearing load of 500 g by bonding an adhesive area of 200 mm2 of the pressure-sensitive adhesive layer to a TAC polarizing plate is 2.5 mm or less, and the adhesion at a peeling rate of 0.3 m/min after 30 minute-bonding of a pressure-sensitive adhesive surface of the pressure-sensitive adhesive layer to a TAC surface at 23° C. is 0.3 N/25 mm or less.

Abstract translation: 本发明提供一种具有足够的粘合力的粘合片，以便不随时间引起起泡和剥离，并且再剥离性和加工性优异。 提供的压敏粘合片是一种压敏粘合片，其具有使用压敏粘合剂组合物在支撑膜的一个或两个表面上形成的压敏粘合剂层，其中从蠕变30分钟后的移动长度 通过将粘合剂层的200mm 2的粘合面粘合到TAC偏振片上，在23℃下进行的试验和500g的剪切载荷的测定为2.5mm以下，剥离速度为0.3 压敏粘合剂层的压敏粘合剂表面在23℃下与TAC表面30分钟粘合后的m / min为0.3N / 25mm以下。

公开(公告)号：US08906989B2

公开(公告)日：2014-12-09

申请号：US14227700

申请日：2014-03-27

Applicant: Nitto Denko Corporation

Inventor： Natsuko Watanabe ,  Kazuma Mitsui ,  Tatsumi Amano ,  Kenjiro Niimi

IPC: C09J11/06

CPC classification number: C09J11/06 ,  C09J7/385

Abstract: A pressure-sensitive adhesive layer contains a base polymer and has properties of (1) and (2) below: in a case where a pressure-sensitive adhesive sheet A is laminated to an adherend X surface, they are left to stand at a temperature of 23° C. and a humidity of 30% for 12 hours, and the pressure-sensitive adhesive sheet A is then separated, (1) a water contact angle A on the adherend X surface from which the pressure-sensitive adhesive sheet A has been separated is 70° or less, and (2) a pressure-sensitive adhesive strength of a pressure-sensitive adhesive tape B with respect to the adherend X surface from which the pressure-sensitive adhesive sheet A has been separated is higher than that of the pressure-sensitive adhesive tape B with respect to the adherend X surface not subjected to any treatment.

Abstract translation: 压敏粘合剂层含有基础聚合物，具有以下（1）和（2）的性质：在将粘合片A层压到被粘物X表面的情况下，将其保持在温度 23℃，湿度30％12小时，然后分离压敏粘合片A，（1）粘合片A所具有的粘附体X表面上的水接触角A 被分离的情况为70°以下，（2）压敏粘合带B相对于粘合片A分离后的被粘物X表面的压敏粘合强度高于 粘合带B相对于未被处理的被粘物X表面。

公开(公告)号：US20140255690A1

公开(公告)日：2014-09-11

申请号：US14352435

申请日：2012-10-12

Applicant: NITTO DENKO CORPORATION

Inventor： Tatsumi Amano ,  Yu Morimoto ,  Kazuma Mitsui ,  Kousuke Yonezaki ,  Kyoko Takashima

IPC: C09J7/02

CPC classification number: C09J7/22 ,  C08F220/08 ,  C08K5/0075 ,  C08K5/19 ,  C08K5/34 ,  C09J7/38 ,  C09J9/02 ,  C09J133/08 ,  C09J2203/318 ,  C09J2205/102 ,  C09J2433/00 ,  Y10T428/2891 ,  C08F2220/1858 ,  C08F220/06

Abstract: Provided is a water-dispersible acrylic pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive layer that is superior in adhesive properties, antistatic properties, removability, the ability to prevent an increase in peel strength (adhesive strength) over time, and superior in less-staining properties on adherends, particularly, in the ability to prevent white staining on adherends in a high-humidity environment (the ability to prevent white staining), and also superior in appearance properties. The invention is directed to a water-dispersible acrylic pressure-sensitive adhesive composition, including: an acrylic emulsion polymer including 70 to 99.5% by weight of a monomer unit derived from an alkyl (meth)acrylate and 0.5 to 10% by weight of a monomer unit derived from a carboxyl group-containing unsaturated monomer; a non-water-soluble (hydrophobic) ionic liquid; and an acetylene diol compound with an HLB value of less than 13 and/or a derivative thereof with an HLB value of less than 13.

Abstract translation: 提供一种能够形成粘合性，抗静电性，可除去性，防止随时间推移的剥离强度（粘合强度）增加的能力的粘合剂层的水分散性丙烯酸类压敏粘合剂组合物，以及 特别是在高湿度环境下（特别是防止白色染色的能力）防止白色染色的能力，以及外观性能也优异。 本发明涉及一种水分散性丙烯酸类压敏粘合剂组合物，其包括：丙烯酸乳液聚合物，其包含70-99.5重量％的衍生自（甲基）丙烯酸烷基酯的单体单元和0.5至10重量％的 衍生自含羧基的不饱和单体的单体单元; 非水溶性（疏水）离子液体; 和HLB值小于13的乙炔二醇化合物和/或其HLB值小于13的衍生物。

公开(公告)号：US20150037573A1

公开(公告)日：2015-02-05

申请号：US14339674

申请日：2014-07-24

Applicant: NITTO DENKO CORPORATION

Inventor： Tatsumi Amano ,  Kenjiro Niimi ,  Kazuma Mitsui

IPC: B32B27/08 ,  C09J7/02 ,  B32B27/36 ,  B32B27/30 ,  B32B7/12 ,  G02F1/00

CPC classification number: C09J133/08 ,  C09J7/29 ,  C09J2201/122 ,  C09J2201/162 ,  C09J2201/606 ,  C09J2203/318 ,  C09J2433/00 ,  C09J2467/006 ,  C09J2491/006 ,  Y10T428/2848 ,  Y10T428/31786 ,  C08F2220/1858 ,  C08F220/14 ,  C08F220/06

Abstract: Provided is a surface protective film, which has a substrate having a topcoat layer containing a lubricating property-imparting component and rarely whitened and an adhesive layer formed of a water dispersible acrylic adhesive composition, and which is excellent in appearance characteristics, etc. A surface protective film has a substrate; and a topcoat layer and an acrylic adhesive layer formed on respective faces of the substrate, in which the topcoat layer contains a lubricant wax composed of a higher fatty acid/higher alcohol ester and a polyester binder resin, the acrylic adhesive layer is formed of a water dispersible acrylic adhesive composition containing an acrylic emulsion polymer (A) obtained by polymerization of an alkyl(meth)acrylate and a carboxyl group-containing unsaturated monomer with a reactive emulsifier having a radical polymerizable functional group; and a compound (B) represented by formula (I): R1O—(PO)a-(EO)b—(PO)c—R2 (I).

Abstract translation: 提供一种表面保护膜，其具有基材，其具有含有赋予润滑性的成分并且很少发白的面漆层和由水分散性丙烯酸类粘合剂组合物形成的粘合剂层，其外观特性等优异。 保护膜具有基板; 以及形成在所述基材的各个面上的面涂层和丙烯酸粘合剂层，其中所述面漆层含有由高级脂肪酸/高级醇酯和聚酯粘合剂树脂构成的润滑剂蜡，所述丙烯酸粘合剂层由 含有通过（甲基）丙烯酸烷基酯和含羧基的不饱和单体与具有自由基聚合性官能团的反应性乳化剂聚合得到的丙烯酸乳液聚合物（A）的水分散性丙烯酸类粘合剂组合物; 和由式（I）表示的化合物（B）：R1O-（PO）a-（EO）b-（PO）c-R2（I）。

公开(公告)号：US20150037572A1

公开(公告)日：2015-02-05

申请号：US14339646

申请日：2014-07-24

Applicant: NITTO DENKO CORPORATION

Inventor： Tatsumi Amano ,  Kenjiro Niimi ,  Kazuma Mitsui

IPC: B32B27/08 ,  C09J7/02 ,  G02F1/00 ,  B32B7/12 ,  B32B27/36

CPC classification number: C09J133/12 ,  C08L2201/54 ,  C08L2312/00 ,  C09J7/29 ,  C09J133/02 ,  C09J2201/122 ,  C09J2201/162 ,  C09J2201/606 ,  C09J2203/318 ,  C09J2433/00 ,  C09J2467/006 ,  C09J2491/006 ,  Y10T428/2848 ,  Y10T428/31786 ,  C08F2220/1858 ,  C08F220/14 ,  C08F220/06 ,  C08F218/08 ,  C08F220/54

Abstract: Provided is a surface protective film, which has a substrate having a topcoat layer containing a lubricating property imparting component and rarely whitened and an adhesive layer formed of a water dispersible acrylic adhesive composition, and which is excellent in removability etc. A surface protective film having: a substrate; and a topcoat layer and an acrylic adhesive layer formed on respective faces of the substrate, in which the topcoat layer contains a lubricant wax composed of a higher fatty acid/higher alcohol ester and a polyester binder resin, the acrylic adhesive layer is formed of a water dispersible acrylic adhesive composition containing an acrylic emulsion polymer obtained by polymerization of an alkyl (meth)acrylate (A) and a carboxyl group-containing unsaturated monomer (B) with a reactive emulsifier.

Abstract translation: 提供一种表面保护膜，其具有基材，其具有含有赋予润滑性的成分并且很少发白的面漆层和由水分散性丙烯酸类粘合剂组合物形成的粘合剂层，并且具有优异的可除去性等。具有表面保护膜的表面保护膜具有 ：底物 以及形成在所述基材的各个面上的面涂层和丙烯酸粘合剂层，其中所述面漆层含有由高级脂肪酸/高级醇酯和聚酯粘合剂树脂构成的润滑剂蜡，所述丙烯酸粘合剂层由 含有（甲基）丙烯酸烷基酯（A）和含羧基的不饱和单体（B））与反应性乳化剂聚合而得到的丙烯酸乳液聚合物的水分散性丙烯酸类粘合剂组合物。

公开(公告)号：US20140342152A1

公开(公告)日：2014-11-20

申请号：US14352533

申请日：2012-10-12

Applicant: NITTO DENKO CORPORATION

Inventor： Tatsumi Amano ,  Yu Morimoto ,  Kazuma Mitsui ,  Kousuke Yonezaki ,  Kyoko Takashima

IPC: C09J133/08

CPC classification number: C09J133/08 ,  C08F220/18 ,  C09J7/385 ,  C09J11/04 ,  C09J11/06 ,  C09J133/02 ,  Y10T428/2891 ,  Y10T428/31935 ,  C08F2220/1858 ,  C08F220/06

Abstract: An object of the invention to provide a water-dispersible acrylic pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive layer that can prevent static build-up on adherends when peeled off (antistatic properties) and is superior not only in removability and the ability to prevent an increase in peel strength (adhesive strength) over time but also in less-staining properties on adherends and, especially, the ability to prevent white staining on adherends in a high-humidity environment (the ability to prevent white staining). The invention is directed to a removable water-dispersible acrylic pressure-sensitive adhesive composition, including: an acrylic emulsion polymer including units derived from raw material monomers including (i) 70 to 99.5% by weight of an alkyl(meth)acrylate and (ii) 0.5 to 10% by weight of a carboxyl group-containing unsaturated monomer; a non-water-soluble crosslinking agent; and an ionic compound.

Abstract translation: 本发明的目的是提供一种能够形成压敏粘合剂层的水分散性丙烯酸类压敏粘合剂组合物，其可以防止被剥离时的被粘附物的静电积聚（抗静电性），并且不仅在可除去性方面和 防止随着时间的推移剥离强度（粘合强度）增加而且在被粘物上的染色性能降低的能力，特别是在高湿度环境下防止被粘附物白色染色的能力（防止白色染色的能力） 。 本发明涉及可拆卸的水分散性丙烯酸类压敏粘合剂组合物，其包括：丙烯酸乳液聚合物，其包含衍生自原料单体的单元，所述单体包括（i）70-99.5重量％的（甲基）丙烯酸烷基酯和（ii ）0.5〜10重量％的含羧基的不饱和单体; 非水溶性交联剂; 和离子化合物。

公开(公告)号：US20140248490A1

公开(公告)日：2014-09-04

申请号：US14352245

申请日：2012-10-12

Applicant: NITTO DENKO CORPORATION

Inventor： Yu Morimoto ,  Tatsumi Amano ,  Kazuma Mitsui ,  Kousuke Yonezaki ,  Kyoko Takashima

IPC: C09J11/08 ,  C09J133/08 ,  C09J133/12 ,  C09J7/02

CPC classification number: C09J11/08 ,  C08G2650/58 ,  C08K3/017 ,  C08K3/16 ,  C08K5/0075 ,  C08K5/17 ,  C08L71/02 ,  C09J7/385 ,  C09J133/00 ,  C09J133/06 ,  C09J133/08 ,  C09J133/12 ,  C09J2203/318 ,  C09J2205/102 ,  C09J2433/00 ,  C09J2471/00 ,  Y10T428/2891 ,  Y10T428/31938

Abstract: Provided is a removable water-dispersible acrylic pressure-sensitive adhesive composition with which it is possible to form a pressure-sensitive adhesive layer that has excellent antistatic properties, adhesive properties, removability, removal stability, and the ability to prevent an increase in adhesive strength over time, less-staining properties on adherends, especially, the ability to prevent white staining on adherends in a high-humidity environment (the ability to prevent white staining), and appearance properties. The present invention is directed to a removable water-dispersible acrylic pressure-sensitive adhesive composition, including: an acrylic emulsion polymer including 70 to 99.5% by weight of a monomer unit derived from an alkyl(meth)acrylate and 0.5 to 10% by weight of a monomer unit derived from a carboxyl group-containing unsaturated monomer; an ionic compound; and a polyether antifoamer represented by formula (I) below. HO—(PO)n1-(EO)m1—H  (I) In formula (I), PO represents an oxypropylene group, EO represents an oxyethylene group, m1 represents an integer of 0 to 40, n1 represents an integer of 1 or more, and EO and PO are added in a random form or a block form.

Abstract translation: 提供一种可拆卸的水分散性丙烯酸类压敏粘合剂组合物，其可以形成具有优异的抗静电性，粘合性，可除去性，去除稳定性以及防止粘合强度增加的能力的压敏粘合剂层 随着时间的推移，被粘物的染色性能降低，特别是在高湿度环境（防止白色染色的能力）上防止白色染色的能力和外观性能。 本发明涉及一种可去除的水分散性丙烯酸类压敏粘合剂组合物，其包括：丙烯酸乳液聚合物，其包含70-99.5重量％的衍生自（甲基）丙烯酸烷基酯的单体单元和0.5至10重量％ 的衍生自含羧基的不饱和单体的单体单元; 离子化合物; 和由下式（I）表示的聚醚消泡剂。 HO-（PO）n1-（EO）m1-H（I）在式（I）中，PO表示氧化亚丙基，EO表示氧化乙烯基，m1表示0〜40的整数，n1表示1或1的整数， 更多，EO和PO以随机形式或嵌段形式加入。

公开(公告)号：US20150024199A1

公开(公告)日：2015-01-22

申请号：US14330471

申请日：2014-07-14

Applicant: NITTO DENKO CORPORATION

Inventor： Yu Morimoto ,  Kazuma Mitsui ,  Tatsumi Amano

IPC: C09J7/02 ,  G02B1/04 ,  C09J133/08

CPC classification number: C09J133/08 ,  C09J4/06 ,  C09J7/385 ,  C09J133/06 ,  C09J2433/00 ,  C09J2467/006 ,  G02B1/04 ,  Y10T428/2852 ,  C08L33/10

Abstract: There is provided a removable water-dispersible pressure-sensitive adhesive composition to form a pressure-sensitive adhesive layer of a pressure-sensitive adhesive sheet capable of exhibiting good curl regulatability. There are also provided a pressure-sensitive adhesive sheet capable of exhibiting good curl regulatability, and an optical component having the pressure-sensitive adhesive sheet laminated thereon. The removable water-dispersible pressure-sensitive adhesive composition according to the present invention forms a pressure-sensitive adhesive layer of a pressure-sensitive adhesive sheet having an initial curl height of not less than 20 mm as determined by a curl test, and a difference in curl height of not more than 10 mm as determined by the curl test. The pressure-sensitive adhesive sheet according to the present invention has a pressure-sensitive adhesive layer formed of the removable water-dispersible pressure-sensitive adhesive composition. The optical component according to the present invention has the pressure-sensitive adhesive sheet laminated thereon.

Abstract translation: 提供一种可移除的水分散性压敏粘合剂组合物，以形成能够表现出良好卷曲调节性的压敏粘合片的压敏粘合剂层。 还提供了能够表现出良好的卷曲调节性的压敏粘合片，以及其上层叠有压敏粘合片的光学部件。 根据本发明的可去除的水分散性粘合剂组合物形成通过卷曲试验确定的初始卷曲高度不小于20mm的压敏粘合片的压敏粘合剂层， 卷曲高度不超过10毫米，由卷曲测试确定。 根据本发明的压敏粘合片具有由可去除的水分散性压敏粘合剂组合物形成的压敏粘合剂层。 根据本发明的光学部件具有层压在其上的压敏粘合片。

公开(公告)号：US20140272408A1

公开(公告)日：2014-09-18

申请号：US14352896

申请日：2012-10-12

Applicant: NITTO DENKO CORPORATION

Inventor： Tatsumi Amano ,  Yu Morimoto ,  Kazuma Mitsui ,  Kousuke Yonezaki ,  Kyoko Takashima

IPC: C09J7/02

CPC classification number: C08L33/02 ,  C08G77/46 ,  C08G2650/58 ,  C08K5/0075 ,  C08L2201/50 ,  C08L2201/54 ,  C09J7/22 ,  C09J7/38 ,  C09J133/02 ,  C09J133/08 ,  C09J133/26 ,  C09J171/02 ,  C09J2203/318 ,  C09J2205/102 ,  C09J2433/00 ,  Y10T428/2891 ,  C08F2220/1858 ,  C08F220/06 ,  C08F220/14 ,  C08F218/08 ,  C08F220/54

Abstract: Provided is a water-dispersible acrylic pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive layer that can prevent static build-up at the time of peeling (antistatic properties), is superior in removability, in the ability to prevent an increase in peel strength (adhesive strength) over time among the adhesive properties, as well as in appearance properties (decrease of appearance defects due to dents or the like), and also in less-staining properties on adherends, particularly, in the ability to prevent white staining on adherends in high-humidity environments (the ability to prevent white staining). The water-dispersible acrylic pressure-sensitive adhesive composition according to the invention contains an acrylic emulsion polymer containing, as monomer components, (i) an alkyl (meth)acrylate, (ii) a carboxyl group-containing unsaturated monomer, and (iii) at least one monomer selected from the group consisting of methyl methacrylate, vinyl acetate, and diethylacrylamide, and an ionic compound, and is characterized in that 70 to 99.5% by weight of the alkyl (meth)acrylate (i) is contained in the total amount of the monomer components.

Abstract translation: 本发明提供一种能够形成能够防止剥离时的静电积聚（抗静电性）的粘合剂层的防水性分散性丙烯酸系压敏粘合剂组合物，其除去性优异，防止增加的能力 在粘合性能以及外观性能（由凹痕等引起的外观缺陷减少）时的剥离强度（粘合强度）随着时间的推移，以及在被粘物上的污染性较差，特别是在防止 在高湿环境下的被粘物上白色染色（防止白色染色的能力）。 本发明的水分散性丙烯酸类粘合剂组合物含有（i）（甲基）丙烯酸烷基酯，（ii）含羧基的不饱和单体作为单体组分的丙烯酸乳液聚合物，和（iii） 至少一种选自甲基丙烯酸甲酯，乙酸乙烯酯和二乙基丙烯酰胺的单体和离子性化合物，其特征在于，总共含有70〜99.5重量％的（甲基）丙烯酸烷基酯（i） 单体组分的量。