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：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：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：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）。

公开(公告)号：US20130260147A1

公开(公告)日：2013-10-03

申请号：US13852989

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 ,  C09J7/20 ,  C09J2201/622 ,  C09J2203/318 ,  Y10T428/28 ,  Y10T428/2848 ,  Y10T428/2852 ,  Y10T428/2891

Abstract: The prevent invention provides a pressure-sensitive adhesive sheet which can prevent increase of the adhesion with the lapse of time, has low adhesion at the time of high speed peeling, and is excellent in removability and workability. The pressure-sensitive adhesive sheet has a pressure-sensitive adhesive layer formed using a pressure-sensitive adhesive composition on one or both surfaces of a supporting film and is characterized in that the adhesion ratio (B/A) of the adhesion (A) at a peeling speed of 30 m/min after 30 minute-bonding of the pressure-sensitive adhesive surface of the pressure-sensitive adhesive layer to a TAC surface at 23° C. and the adhesion (B) at a peeling speed of 30 m/min after one day-bonding of the pressure-sensitive adhesive surface of the pressure-sensitive adhesive layer to a TAC surface at 50° C. is in a range of 0.5 to 1.5.

Abstract translation: 本发明提供一种能够防止随时间的粘附性增加的粘合片，高速剥离时的粘合性低，除去性和加工性优异。 粘合片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，其特征在于粘合力（A）的粘附比（B / A）在 粘合剂层压敏粘合剂表面在23℃下与TAC表面粘合30分钟后的剥离速度为30m /分，剥离速度为30m / 压敏粘合剂层的粘合剂表面在50℃下与TAC表面粘合一天后的最短时间为0.5分钟左右。