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：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：US20140302314A1

公开(公告)日：2014-10-09

申请号：US14247704

申请日：2014-04-08

Applicant: NITTO DENKO CORPORATION

Inventor： Kyoko Takashima ,  Yu Morimoto ,  Kazuma Mitsui ,  Kousuke Yonezaki ,  Tsunaki Kitahara

IPC: C09J133/08 ,  C09J7/02

CPC classification number: C09J133/08 ,  C08F220/18 ,  C08L2201/54 ,  C08L2312/00 ,  C09J7/385 ,  Y10T428/2891 ,  C08F2220/1858 ,  C08F220/06 ,  C08F220/14

Abstract: Provided is a water-dispersible acrylic pressure-sensitive adhesive composition which can form a pressure-sensitive adhesive layer excellent in antistatic property, repeeling property (light peeling property), and appearance property. The repeelable water-dispersible acrylic pressure-sensitive adhesive composition of the present invention contains an acrylic emulsion-based polymer composed of 70 to 99.5% by weight of a (meth)acrylic acid alkyl ester and 0.5 to 10% by weight of a carboxyl group-containing unsaturated monomer as monomer components, a crosslinking agent, an ionic compound, and a nonionic surfactant with an HLB value of 6 or more.

Abstract translation: 本发明提供一种能够形成抗静电性，重复性（光剥离性）和外观性优异的压敏粘合剂层的水分散性丙烯酸类粘合剂组合物。 本发明的可重复使用的水分散性丙烯酸类粘合剂组合物含有由70〜99.5重量％的（甲基）丙烯酸烷基酯和0.5〜10重量％的羧基组成的丙烯酸系乳液系聚合物 作为单体成分的不饱和单体，HLB值为6以上的交联剂，离子性化合物和非离子表面活性剂。

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：US20230102451A1

公开(公告)日：2023-03-30

申请号：US17951362

申请日：2022-09-23

Applicant: Nitto Denko Corporation

Inventor： Masamichi MATSUMOTO ,  Hirofumi Katami ,  Sho Takarada ,  Ryohei Sawazaki ,  Kazuma Mitsui

IPC: C09J7/38 ,  C09J133/08 ,  G06F3/041 ,  C09J123/02

Abstract: An object of the present invention is to provide a pressure-sensitive adhesive sheet, an optical member, and a touch panel that enable a pressure-sensitive adhesive layer to be formed, the pressure-sensitive adhesive layer allowing the appearance of a display device and an input device to be unlikely to deteriorate even under low pressure conditions. The pressure-sensitive adhesive sheet has a pressure-sensitive adhesive layer, and the number of the voids having a diameter of 300 μM or more in the following low pressure test is less than 10, and the number of the voids having a diameter of not less than 50 less than 300 μM in the following low pressure test is less than 20.

公开(公告)号：US09096781B2

公开(公告)日：2015-08-04

申请号：US13891592

申请日：2013-05-10

Applicant: Nitto Denko Corporation

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

IPC: C09J133/02 ,  C08L101/04 ,  C09J133/04 ,  C09J133/16

CPC classification number: C09J133/02 ,  C08L101/04 ,  C08L2201/54 ,  C09J133/04 ,  C09J133/16

Abstract: An aim of the prevention invention is to provide a water dispersion type acryl-based pressure-sensitive adhesive composition for re-peeling, which can prevent electrification of an adherend at the time of peeling (peeling antistatic properties) and which can form a pressure-sensitive adhesive layer excellent in adherability and re-peelable properties, and also to provide a pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer formed of the pressure-sensitive adhesive composition. The re-peelable water dispersion type acryl-based pressure-sensitive adhesive composition of the present invention contains an acrylic emulsion-based polymer composed of a (meth)acrylic acid alkyl ester and a carboxyl-containing unsaturated monomer as raw material monomers, a perfluoroalkyl-containing oligomer, and an ionic compound.

Abstract translation: 本发明的目的在于提供一种用于再剥离的水分散型丙烯酸类压敏粘合剂组合物，其可以防止剥离时的被粘物带电（剥离抗静电性），并且可以形成压敏粘合剂， 粘合性和再剥离性优异的粘合剂层，以及提供具有由压敏粘合剂组合物形成的粘合剂层的压敏粘合片。 本发明的可再剥离型水分散型丙烯酸系粘合剂组合物含有由（甲基）丙烯酸烷基酯和含羧基的不饱和单体作为原料单体构成的丙烯酸乳液系聚合物，全氟烷基 的低聚物和离子化合物。

公开(公告)号：US20150037574A1

公开(公告)日：2015-02-05

申请号：US14339697

申请日：2014-07-24

Applicant: NITTO DENKO CORPORATION

Inventor： Tatsumi Amano ,  Kenjiro Niimi ,  Kazuma Mitsui

IPC: C09J7/02 ,  C09J133/08

CPC classification number: C09J133/08 ,  C09J7/29 ,  C09J2201/122 ,  C09J2201/162 ,  C09J2201/606 ,  C09J2203/318 ,  C09J2433/00 ,  C09J2467/006 ,  C09J2491/006 ,  Y10T428/2848 ,  Y10T428/31797 ,  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 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 (A) obtained by polymerization of an alkyl (meth)acrylate and a carboxyl group-containing unsaturated monomer with a reactive emulsifier, a compound (B) represented by formula (I): RaO—(PO)l-(EO)m—(PO)n—Rb  (I) and, an acetylene diol compound (C).

Abstract translation: 本发明提供一种表面保护膜，其具有基材，其具有含有润湿赋予成分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。表面保护膜 具有：基材; 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 含有由（甲基）丙烯酸烷基酯和含羧基的不饱和单体与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，式（I）表示的化合物（B）：RaO- （PO）1-（EO）m-（PO）n-Rb（I）和乙炔二醇化合物（C）。