公开(公告)号：US20140242384A1

公开(公告)日：2014-08-28

申请号：US14352455

申请日：2012-10-15

Applicant: NITTO DENKO CORPORATION

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

IPC: C09J7/02

CPC classification number: C09J7/385 ,  C08L2201/54 ,  C08L2312/00 ,  C09J133/02 ,  C09J133/08 ,  Y10T428/2848 ,  Y10T428/2891 ,  C08F2220/1858 ,  C08F220/14 ,  C08F220/06

Abstract: The present invention provides an acrylic water-dispersible pressure-sensitive adhesive composition that can prepare a removable adhesive layer having low contamination of an adherent. The acrylic water-dispersible pressure-sensitive removable adhesive composition according to the present invention comprises an acrylic emulsion polymer (A) comprising an alkyl (meth)acrylate ester and a carboxyl group-containing unsaturated monomer as essential raw material constitutive monomers and prepared by polymerization with a reactive surfactant containing no oxyalkylene group.

Abstract translation: 本发明提供一种丙烯酸水分散性压敏粘合剂组合物，其可以制备具有低粘附剂污染的可除去粘合剂层。 根据本发明的丙烯酸水分散性压敏可去除粘合剂组合物包含包含（甲基）丙烯酸烷基酯和含羧基的不饱和单体作为主要原料组成单体并通过聚合制备的丙烯酸乳液聚合物（A） 与不含氧化烯基的反应性表面活性剂。

公开(公告)号：US20130303669A1

公开(公告)日：2013-11-14

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

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：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）。

公开(公告)号：US20140308516A1

公开(公告)日：2014-10-16

申请号：US14352502

申请日：2012-10-12

Applicant: NITTO DENKO CORPORATION

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

IPC: C09J7/02

CPC classification number: C09J7/38 ,  C08F220/18 ,  C08G77/46 ,  C09J7/22 ,  C09J133/02 ,  C09J133/08 ,  C09J2203/318 ,  C09J2205/114 ,  C09J2433/00 ,  C09J2483/00 ,  G02F2202/28 ,  Y10T428/2891 ,  Y10T428/31663 ,  C08F2220/1858 ,  C08F220/06 ,  C08F220/14

Abstract: Provided is a removable water-dispersible acrylic pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive layer that is superior in antistatic properties (resistance to peeling-induced static build-up), removability, adhesion (adhesive properties), and the ability to prevent an increase in peel strength (adhesive strength) over time and also superior in less-staining properties on adherends, particularly, the ability to prevent white staining on adherends in a high-humidity environment. Also provided is a pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer made from such a pressure-sensitive adhesive composition. The removable water-dispersible acrylic pressure-sensitive adhesive composition contains an acrylic emulsion polymer including units derived from raw material monomers including at least (A) an alkyl (meth)acrylate and (B) 0.5 to 10% by weight of a carboxyl group-containing unsaturated monomer; and an alkylene oxide group-containing polysiloxane.

Abstract translation: 本发明提供能够形成抗静电性（耐剥离性静电累积性），可除去性，粘合性（粘合性）优异的压敏粘合剂层的可除去的水分散性丙烯酸系压敏粘合剂组合物， 防止随着时间的推移剥离强度（粘合强度）增加的能力，并且在被粘物上的染色性能也优异，特别是在高湿度环境下防止被粘附物白色染色的能力。 还提供了具有由这种压敏粘合剂组合物制成的压敏粘合剂层的压敏粘合片。 可拆卸的水分散性丙烯酸类压敏粘合剂组合物包含丙烯酸乳液聚合物，其包含衍生自至少包含（A）（甲基）丙烯酸烷基酯的原料单体的单元和（B）0.5至10重量％的羧基 - 含不饱和单体; 和含环氧烷基团的聚硅氧烷。

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。