公开(公告)号：EP2982726A4

公开(公告)日：2016-08-17

申请号：EP14773206

申请日：2014-03-26

Applicant: LINTEC CORP

Inventor： YAMADA HARUYA ,  KATO KIICHIRO ,  HATANAKA TOMIO ,  SUGINO TAKASHI ,  KAWADA SATOSHI

IPC: C09J133/06 ,  B32B27/00 ,  C08F2/24 ,  C09J7/00 ,  C09J7/02 ,  C09J9/00 ,  C09J171/02

CPC classification number: C09J133/08 ,  B32B7/06 ,  B32B7/12 ,  B32B27/08 ,  B32B27/308 ,  B32B2307/202 ,  B32B2405/00 ,  B32B2451/00 ,  C08F2/24 ,  C08L71/00 ,  C09J5/00 ,  C09J7/00 ,  C09J7/385 ,  C09J9/00 ,  C09J133/10 ,  C09J171/02 ,  C09J2201/606 ,  C09J2433/00 ,  C08F2220/1858 ,  C08F220/14 ,  C08F220/06 ,  C08F220/58 ,  C08F2230/085

Abstract: An electrically peelable pressure sensitive adhesive composition consists of an emulsion type acrylic pressure sensitive adhesive (A) comprising an acrylic polymer (A1) obtained by emulsion polymerization in the presence of a surfactant using a monomer mixture comprising an alkyl (meth)acrylate, and a (poly)alkylene polyol (B) having a number average molecular weight of 2000 or less, wherein a content of the component (B) based on 100 parts by mass of active ingredient of the component(A) is 3.5 parts by mass or more. In the electrically peelable pressure sensitive adhesive composition, the adhesiveness before voltage application is high, but the adhesiveness can decrease effectively by voltage application for a short time.

Abstract translation: 电可剥性压敏粘合剂组合物，包括：使用的单体混合物，其包括烷基（甲基）丙烯酸酯在表面活性剂的存在下通过乳液聚合得到的丙烯酸类聚合物（A1）的乳液型丙烯酸类压敏粘合剂（A）的besteht，和一个 （聚）亚烷基多元醇（B），其具有2000或更小的数均分子量，worin基于100质量份的组分（A）的活性成分的质量（B）成分的含量为3.5质量份或更多 ， 在电可剥性压敏粘合剂组合物，在施加电压前的粘合性高，但密合性可以有效地通过施加电压的时间很短降低。

公开(公告)号：EP3124568A4

公开(公告)日：2017-11-22

申请号：EP15770081

申请日：2015-03-23

Applicant: LINTEC CORP

Inventor： KAWADA SATOSHI ,  MATSUSHIMA MASARU

IPC: C09K3/10 ,  B32B3/14 ,  B32B3/18 ,  B32B25/08 ,  B32B25/18 ,  B32B27/08 ,  B32B27/18 ,  B32B27/30 ,  B32B27/40 ,  H01L31/048 ,  H01L51/50 ,  H05B33/04

CPC classification number: B32B27/30 ,  B32B3/14 ,  B32B3/18 ,  B32B25/08 ,  B32B25/18 ,  B32B27/08 ,  B32B27/18 ,  B32B27/308 ,  B32B27/40 ,  B32B2270/00 ,  B32B2307/7246 ,  B32B2457/202 ,  B32B2457/206 ,  C09K3/1006 ,  C09K2200/061 ,  C09K2200/0617 ,  C09K2200/0625 ,  C09K2200/065 ,  H01L31/0481 ,  H01L51/5253 ,  Y02E10/50

Abstract: A sealing sheet having a resin layer comprising a resin part (A) formed by a resin composition containing one or more resins selected from the group consisting of an acrylic-based resin and a urethane-based resin, and a resin part (B) having a water vapor transmission rate measured in conformity with JIS K 7129 of 15 g/m 2 /day or less, in which the resin part (A) and the resin part (B) are present on at least one surface of the resin layer. The sealing sheet excels in a suppressing effect on moisture intrusion of the sealing sheet itself, and, when manufacturing a sealing structure, excels in an effect to prevent moisture intrusion into the sealing structure from between a substrate (adherend) and the sealing sheet.

公开(公告)号：EP3127974A4

公开(公告)日：2017-04-05

申请号：EP15772237

申请日：2015-04-02

Applicant: LINTEC CORP

Inventor： KAWADA SATOSHI ,  KATO KIICHIRO ,  UEMURA KAZUE ,  AMINO YUMIKO ,  SAITO SHIGERU ,  TSUCHIBUCHI KOJI ,  KASE TAKAMASA

IPC: C09J7/02 ,  C09J7/00 ,  C09J133/00

CPC classification number: C09J7/0217 ,  B05D1/36 ,  B05D3/108 ,  B05D5/00 ,  C08K3/013 ,  C08K3/34 ,  C08K3/346 ,  C08K3/36 ,  C08K7/00 ,  C08K2201/003 ,  C09J5/00 ,  C09J7/02 ,  C09J7/0207 ,  C09J7/0253 ,  C09J7/026 ,  C09J7/0285 ,  C09J7/10 ,  C09J7/20 ,  C09J7/203 ,  C09J7/22 ,  C09J7/255 ,  C09J7/38 ,  C09J7/385 ,  C09J11/04 ,  C09J133/08 ,  C09J201/00 ,  C09J2201/16 ,  C09J2201/28 ,  C09J2201/36 ,  C09J2201/606 ,  C09J2205/10 ,  C09J2205/102 ,  C09J2205/114 ,  C09J2400/163 ,  C09J2421/00 ,  C09J2433/00 ,  C09J2467/006 ,  C09J2475/00 ,  C09J2483/005 ,  C08K3/00

Abstract: Provided is a pressure sensitive adhesive sheet containing, on a substrate or a release material, a resin layer formed of a multilayer structure of three or more layers including a fine particle-containing layer that contains fine particles in an amount of 15% by mass or more, at least a surface (±) of the resin layer being opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein the fine particle-containing layer is formed not as the outermost layer of the resin layer, and one or more concave portions exist on the surface (±) and the shapes of the one or more concave portions have irregular shapes. When attached to an adherend, the pressure sensitive adhesive sheet can exhibit excellent air escape property of readily removing air accumulation which may be formed, good blister resistance and good pressure sensitive adhesion characteristics.

Abstract translation: 本发明提供一种粘合片，其在基材或脱模材料上具有树脂层，所述树脂层由三层以上的多层结构构成，所述三层以上的层包含含有15质量％的微粒的含微粒层，或者 所述树脂层的至少与设置有所述基材或所述剥离材料的一侧相反的面（±）具有压敏粘合性，其中所述含微粒层不是所述基材或所述剥离材料的最外层 树脂层，并且在表面（±）上存在一个或多个凹部，并且一个或多个凹部的形状具有不规则形状。 当粘附到被粘物上时，压敏粘合剂片可显示优异的空气逸出特性，易于除去可能形成的空气积聚，良好的抗起泡性和良好的压敏粘合特性。

公开(公告)号：EP2960313A4

公开(公告)日：2016-08-17

申请号：EP14774361

申请日：2014-03-26

Applicant: LINTEC CORP

Inventor： YAMADA HARUYA ,  KATO KIICHIRO ,  HATANAKA TOMIO ,  SUGINO TAKASHI ,  KAWADA SATOSHI

IPC: C09J133/00 ,  B32B27/00 ,  C09J7/00 ,  C09J7/02 ,  C09J9/00 ,  C09J11/06 ,  C09J133/06 ,  C09J171/02

CPC classification number: C09J133/08 ,  B32B7/06 ,  B32B7/12 ,  B32B27/308 ,  B32B2307/202 ,  B32B2307/748 ,  B32B2405/00 ,  B32B2451/00 ,  C08F220/18 ,  C08K5/17 ,  C08K5/42 ,  C08L33/08 ,  C08L71/03 ,  C09J5/00 ,  C09J7/20 ,  C09J7/385 ,  C09J9/00 ,  C09J11/08 ,  C09J171/02 ,  C09J2201/606 ,  C09J2205/102 ,  C09J2205/302 ,  C09J2433/00 ,  C09J2471/00 ,  C08F2220/1825 ,  C08F220/06

Abstract: An electrically peelable pressure sensitive adhesive composition, which contains an acrylic polymer (A), a (poly)alkylene polyol (B) having a number average molecular weight of no greater than 2000, and an ammonium salt (C), has a high adhesiveness before voltage application, but the adhesiveness can decrease effectively by voltage application for a short time.

Abstract translation: 亚烷基，以电可剥性压敏粘合剂组合物，其在丙烯酸类聚合物（A）含有，（聚）多元醇（B）具有不大于2000的数均分子量，以及铵盐（C）具有高的粘附性 施加电压前，但密合性可以有效地通过施加电压的时间很短降低。

公开(公告)号：EP2727972A4

公开(公告)日：2015-07-08

申请号：EP12804382

申请日：2012-06-27

Applicant: LINTEC CORP

Inventor： UEMURA KAZUE ,  ONO YOSHITOMO ,  AMINO YUMIKO ,  KAWADA SATOSHI ,  IKEDA HANAKO

IPC: C09J123/22 ,  C08L23/22 ,  C09J7/00 ,  C09J7/02 ,  C09J201/00 ,  H01L51/50 ,  H05B33/04

CPC classification number: C09K3/1006 ,  C08L23/20 ,  C08L23/22 ,  C08L2203/16 ,  C08L2205/02 ,  C09J7/00 ,  C09J7/10 ,  C09J123/20 ,  C09J123/22 ,  C09J2201/622 ,  C09J2423/00 ,  H01L51/5246 ,  H01L51/5253 ,  Y10T428/31938

Abstract: Provided is an adhesive sheet having an adhesive layer formed of an adhesive composition that contains 100 parts by mass of a polyisobutylene-based resin (A) having a weight-average molecular weight of from 270,000 to 480,000, from 5 to 55 parts by mass of a polyisobutylene-based resin (B) having a weight-average molecular weight of from 100,000 to 250,000, and from 10 to 55 parts by mass of a hydrogenated petroleum resin (C) having a softening point of from 90 to 135°C; and provided is an adhesive sheet having at least one adhesive layer wherein the probe tack of the adhesive layer, as measured at a peel rate of 600 mm/min according to JIS-Z0237 (1991), has two maximum values and wherein the first maximum value P1 detected first is at least 4.0 N and the ratio of the second maximum value P2 detected secondarily to the first maximum value P1 [P2/P1] is from 0.25 to 1.50. The adhesive sheets have excellent adhesion force and retention force, can prevent occurrence of zipping, have a low moisture vapor transmission rate, are excellent in transparency and can retard outgas generation.