公开(公告)号：US20150004404A1

公开(公告)日：2015-01-01

申请号：US14377026

申请日：2012-12-21

Applicant: NITTO DENKO CORPORATION

Inventor： Hiroki Senda ,  Shigeki Ishiguro ,  Satomi Yoshie ,  Yuka Sekiguchi ,  Rie Hayashiuchi ,  Asuka Endo

IPC: C09J7/02 ,  B29C43/52 ,  B29C43/24

CPC classification number: C08J5/18 ,  B29C43/24 ,  B29C43/52 ,  B29K2021/00 ,  B29K2023/12 ,  B29K2025/06 ,  B29K2027/18 ,  B29K2033/12 ,  B29K2067/046 ,  B29K2096/02 ,  B29K2105/0005 ,  B29K2105/0067 ,  B29K2105/0088 ,  B29K2105/251 ,  B29K2223/12 ,  B29K2227/18 ,  B29K2995/0041 ,  B29K2995/0094 ,  B29L2007/008 ,  B29L2031/3468 ,  C08J2367/04 ,  C08K5/103 ,  C08L51/06 ,  C08L67/04 ,  C09J7/25 ,  C09J2201/122 ,  C09J2201/606 ,  C09J2203/306 ,  C09J2421/006 ,  C09J2423/106 ,  C09J2427/006 ,  C09J2451/006 ,  C09J2467/005 ,  C09J2467/006 ,  Y10T428/254 ,  Y10T428/28 ,  Y10T428/2839

Abstract: The present invention provides a separator including a separator substrate composed of a polylactic acid film or sheet having tear strength so as not to break or tear during production or processing of the separator. The separator is a separator including a separator substrate and a removable pressure-sensitive adhesive layer on at least one surface of the separator substrate, wherein the separator substrate is composed of a polylactic acid film or sheet comprising polylactic acid (A) wherein the tear strength of the film or sheet is not less than 100 N/mm when the film or sheet is torn at least in a flow direction (MD), a rate of dimensional change due to heating is not more than ±3% in the flow direction (MD) and a transverse direction (TD), and a rate of dimensional change due to loaded heating is not more than ±3% in the flow direction (MD).

Abstract translation: 本发明提供一种隔膜，其包括由具有撕裂强度的聚乳酸膜或片材构成的隔板基材，以便在隔板的制造或加工期间不会破裂或撕裂。 隔板是在分离器基板的至少一个表面上具有隔板基板和可拆卸压敏粘合剂层的隔板，其中隔板基板由聚乳酸膜（A）构成，该聚乳酸膜包括聚乳酸（A），其中， 当薄膜或薄片至少沿流动方向（MD）撕裂时，薄膜或片材的厚度不小于100N / mm，加热时的尺寸变化率在流动方向上不超过±3％ MD）和横向（TD），并且由加载加热引起的尺寸变化率在流动方向（MD）上不大于±3％。

公开(公告)号：US10087345B2

公开(公告)日：2018-10-02

申请号：US15103574

申请日：2014-12-17

Applicant: NITTO DENKO CORPORATION

Inventor： Akiko Yoshida ,  Shigeki Ishiguro ,  Satomi Yoshie

IPC: C09J7/38 ,  C09J11/08 ,  C09J167/00 ,  C09J167/08 ,  C09J193/00 ,  C09J193/04 ,  C09J167/02 ,  C08L61/18 ,  C08L67/00 ,  C08L67/08 ,  C08K5/29 ,  C08K5/01 ,  B32B7/06 ,  B32B27/36 ,  B32B5/02 ,  B32B7/12 ,  B32B15/08 ,  B32B27/06 ,  B32B27/08 ,  B32B27/10 ,  B32B27/12 ,  B32B27/18 ,  B32B29/00 ,  C08L93/00

Abstract: A polyester-based pressure-sensitive adhesive layer, pressure-sensitive adhesive tape, and double-coated pressure-sensitive adhesive tape each having high durability (high heating humidification storage stability) and good adhesive properties are provided using a polyester-based pressure-sensitive adhesive composition. The polyester-based pressure-sensitive adhesive composition of the invention includes a polyester, a hydrolysis-resistant agent, a tackifier with an acid value of 8 or less and a softening point of 80 to 170° C., and a crosslinking agent, and contains 20 to 100 parts by weight of the tackifier based on 100 parts by weight of the polyester.

公开(公告)号：US09683134B2

公开(公告)日：2017-06-20

申请号：US14385210

申请日：2013-03-07

Applicant: Nitto Denko Corporation

Inventor： Shigeki Ishiguro ,  Satomi Yoshie ,  Hiroki Senda

IPC: C09J167/02 ,  C09J7/02

CPC classification number: C09J7/0207 ,  C08G63/553 ,  C08G63/672 ,  C08L71/02 ,  C09J7/38 ,  C09J167/02 ,  C09J167/08 ,  C09J2467/00 ,  Y10T428/2852

Abstract: A polyester-based pressure-sensitive adhesive composition comprises a polyester obtained by condensation polymerization of at least a dicarboxylic acid having a side chain and a diol, a polyether polyol, and a crosslinking agent, wherein the polyester has a weight average molecular weight of 5000 to 50000, the polyether polyol contains a polyether polyol having hydroxyl groups at only part of terminals and/or all terminals, the polyether polyol having hydroxyl groups at only part of terminals has a number average molecular weight of 100 to 1500, and the polyether polyol having hydroxyl groups at only part of terminals is contained in an amount of 1 to 35 parts by weight based on 100 parts by weight of the polyester.

公开(公告)号：US20170029675A1

公开(公告)日：2017-02-02

申请号：US15300966

申请日：2015-01-16

Applicant: NITTO DENKO CORPORATION

Inventor： Satomi Yoshie ,  Shigeki Ishiguro ,  Akiko Tanaka

IPC: C09J175/06 ,  C08G18/79 ,  C08G18/66 ,  C08G63/16 ,  C09J7/02 ,  C08J7/04 ,  C08G18/42 ,  C08G18/36

Abstract: Provided are a polyester-based pressure-sensitive adhesive composition having high wetting ability and superior adherability and light peelability, and a pressure-sensitive adhesive sheet produced with such a pressure-sensitive adhesive composition. The polyester-based pressure-sensitive adhesive composition includes a polyester obtained by polycondensation of a difunctional or polyfunctional carboxylic acid and a diol; a fatty acid ester; and a crosslinking agent, wherein the polyester has a weight average molecular weight of 8,500 to 50,000, and the fatty acid ester has no additional functional group and has a molecular weight of 200 to 700. The polyester-based pressure-sensitive adhesive composition contains 10 to 150 parts by weight of the fatty acid ester based on 100 parts by weight of the polyester.

Abstract translation: 提供一种具有高润湿性和优异的粘合性和光剥离性的聚酯类压敏粘合剂组合物，以及用这种压敏粘合剂组合物制成的粘合片。 聚酯类压敏粘合剂组合物包括通过双官能或多官能羧酸和二醇的缩聚获得的聚酯; 脂肪酸酯; 和交联剂，其中所述聚酯的重均分子量为8500-500,000，脂肪酸酯不具有额外的官能团，分子量为200-700。聚酯类压敏粘合剂组合物含有10 至150重量份的脂肪酸酯，基于100重量份的聚酯。

公开(公告)号：US20160152870A1

公开(公告)日：2016-06-02

申请号：US14955408

申请日：2015-12-01

Applicant: NITTO DENKO CORPORATION

Inventor： Satomi Yoshie ,  Shigeki Ishiguro ,  Akiko Yoshida

IPC: C09J7/02 ,  C09J167/02

CPC classification number: C09J167/02 ,  C09J7/22 ,  C09J7/38 ,  C09J2201/622 ,  C09J2203/318 ,  C09J2467/00 ,  C09J2467/006 ,  C09J2471/00 ,  C09J2475/00 ,  G02F2202/28

Abstract: A surface protective pressure-sensitive adhesive sheet, which includes a pressure-sensitive adhesive layer obtained by crosslinking a polymer-containing pressure-sensitive adhesive composition, wherein the pressure-sensitive adhesive layer has a surface that has a hardness of 0.1 MPa or more and a load curve with a minimum load of −0.3 μN or less as measured by nanoindentation, and which has a residual adhesive strength of 50% or more, wherein the residual adhesive strength is calculated from the formula: residual adhesive strength (%)=100×[(adhesive strength B)/(adhesive strength A)], wherein adhesive strength A and adhesive strength B are as identified in the specification.

Abstract translation: 一种表面保护压敏粘合片，其包括通过交联含聚合物的压敏粘合剂组合物获得的压敏粘合剂层，其中所述压敏粘合剂层具有硬度为0.1MPa以上的表面，以及 通过纳米压痕测量的最小负载为-0.3μN或更小的负载曲线，其残留粘合强度为50％以上，其中残留粘合强度由下式计算：残余粘合强度（％）= 100 ×[（粘合强度B）/（粘合强度A）]，其中粘合强度A和粘合强度B如说明书中所标识。

公开(公告)号：US20150044460A1

公开(公告)日：2015-02-12

申请号：US14385201

申请日：2013-03-07

Applicant: NITTO DENKO CORPORATION

Inventor： Satomi Yoshie ,  Shigeki Ishiguro ,  Hiroki Senda

IPC: C09J167/02 ,  C09J7/02

CPC classification number: C09J167/02 ,  C08G63/16 ,  C08G63/553 ,  C08G2170/40 ,  C08L71/02 ,  C09J7/38 ,  C09J167/08 ,  C09J2201/606 ,  C09J2467/00 ,  Y10T428/2852

Abstract: Provided are: a polyester-based pressure-sensitive adhesive composition which can be produced even from plant-derived raw materials with no need of using a costly silicone-based pressure-sensitive adhesive or the like and which is usable for producing a pressure-sensitive adhesive sheet excellent in wettability to an adherend, light peelability, removability, anti-staining property (little adhesive residues), and workability, and to provide a pressure-sensitive adhesive sheet using the composition. A polyester-based pressure-sensitive adhesive composition comprising a polyester obtained by condensation polymerization of at least a dicarboxylic acid having a side chain and an aliphatic diol having 3 to 10 carbon atoms and a crosslinking agent, wherein the polyester has a weight average molecular weight of 5000 to 60000.

Abstract translation: 本发明提供：即使不需要使用昂贵的硅氧烷系粘合剂等也可以从植物性原料制造的聚酯系粘合剂组合物，可用于制造压敏粘合剂 对被粘物的润湿性，耐光剥离性，可除去性，抗污染性（少量粘合剂残留）和加工性优异的粘合片，以及提供使用该组合物的压敏粘合片。 一种聚酯类压敏粘合剂组合物，其包含通过至少具有侧链的二羧酸和具有3-10个碳原子的脂族二醇的缩聚得到的聚酯和交联剂，其中所述聚酯具有重均分子量 5000〜60000。

公开(公告)号：US20140377540A1

公开(公告)日：2014-12-25

申请号：US14377007

申请日：2012-12-21

Applicant: NITTO DENKO CORPORATION

Inventor： Shigeki Ishiguro ,  Hiroki Senda ,  Satomi Yoshie ,  Yuka Sekiguchi ,  Rie Hayashiuchi ,  Asuka Endo

IPC: C09J7/02 ,  B29C43/24

CPC classification number: C08J5/18 ,  B29C43/24 ,  B29C43/52 ,  B29K2021/00 ,  B29K2023/12 ,  B29K2025/06 ,  B29K2027/18 ,  B29K2033/12 ,  B29K2067/046 ,  B29K2096/02 ,  B29K2105/0005 ,  B29K2105/0067 ,  B29K2105/0088 ,  B29K2105/251 ,  B29K2223/12 ,  B29K2227/18 ,  B29K2995/0041 ,  B29K2995/0094 ,  B29L2007/008 ,  B29L2031/3468 ,  C08J2367/04 ,  C08K5/103 ,  C08L51/06 ,  C08L67/04 ,  C09J7/25 ,  C09J2201/122 ,  C09J2201/606 ,  C09J2203/306 ,  C09J2421/006 ,  C09J2423/106 ,  C09J2427/006 ,  C09J2451/006 ,  C09J2467/005 ,  C09J2467/006 ,  Y10T428/254 ,  Y10T428/28 ,  Y10T428/2839

Abstract: The present invention provides a protection film including a substrate composed of a polylactic acid film or sheet having tear strength so as not to break or tear during production or processing of the protection film. The protection film according to the present invention is a protection film including a substrate and a removable pressure-sensitive adhesive layer on at least one surface of the substrate, wherein the substrate is composed of a polylactic acid film or sheet comprising polylactic acid (A) wherein the tear strength is not less than 100 N/mm when the film or sheet is torn at least in a flow direction (MD), a rate of dimensional change due to heating is not more than ±3% in the flow direction (MD) and in a transverse direction (TD), and a rate of dimensional change due to loaded heating is not more than ±3% in the flow direction (MD).

Abstract translation: 本发明提供了一种保护膜，其包括由具有抗撕裂强度的聚乳酸膜或片材构成的基材，以便在保护膜的制备或加工期间不会破裂或撕裂。 根据本发明的保护膜是在基材的至少一个表面上具有基材和可除去的压敏粘合剂层的保护膜，其中基材由聚乳酸薄膜或包含聚乳酸（A）的片材构成， 其中当膜或片材至少沿流动方向（MD）撕裂时，撕裂强度不小于100N / mm，加热时尺寸变化率在流动方向上不超过±3％（MD ）和横向（TD），并且由于加载加热引起的尺寸变化率在流动方向（MD）上不超过±3％。