公开(公告)号：US20160009960A1

公开(公告)日：2016-01-14

申请号：US14768300

申请日：2014-03-26

Applicant: LINTEC CORPORATION

Inventor： Haruya YAMADA ,  Kiichiro KATO ,  Tomio HATANAKA ,  Takashi SUGINO ,  Satoshi KAWADA

IPC: C09J133/08 ,  C09J7/00 ,  B32B7/06 ,  C09J5/00 ,  B32B7/12 ,  C09J9/00 ,  C09J7/02

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: 可剥离的压敏粘合剂组合物由包含丙烯酸类聚合物（A1）的乳液型丙烯酸类压敏粘合剂（A）组成，所述丙烯酸类压敏粘合剂（A）包含在表面活性剂存在下通过乳液聚合获得的丙烯酸类聚合物（A1），所述单体混合物包含（甲基） （B）的数均分子量为2000以下的（多）亚烷基多元醇（B），其中，成分（B）的含量相对于成分（A）的有效成分100质量份为3.5质量份以上 。 在可剥离的压敏粘合剂组合物中，施加电压之前的粘合性高，但是通过短时间的施加电压可以有效地降低粘合性。

公开(公告)号：US20190085215A1

公开(公告)日：2019-03-21

申请号：US15762909

申请日：2016-09-27

Applicant: LINTEC CORPORATION

Inventor： Kazue UEMURA ,  Yusuke MATSUOKA ,  Takamasa KASE ,  Kiichiro KATO

IPC: C09J7/38 ,  B32B7/06 ,  B32B7/12 ,  B32B3/30 ,  B32B27/36 ,  B32B27/20 ,  C09J11/04

Abstract: Provided is a pressure sensitive adhesive sheet including a resin layer on a substrate or a release material, at least a surface (α) of the resin layer on the side opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein a concave portion and plural flat faces having an irregular shape exist in a region (Dc) surrounded by an arbitrarily predetermined circle on the surface (α) of the resin layer; and with respect to one or more flat faces (S) among the plural flat faces, the one or more flat faces (S) excluding flat faces having a cumulative relative frequency of 30% or less determined by adding the relative frequency from the respective flat faces with a smaller area, an rMAX value of the flat faces (S) calculated from specified operations is 0.60 or less

公开(公告)号：US20180265749A1

公开(公告)日：2018-09-20

申请号：US15762907

申请日：2016-09-27

Applicant: LINTEC CORPORATION

Inventor： Kazue UEMURA ,  Kiichiro KATO ,  Yumiko AMINO ,  Koji TSUCHIBUCHI ,  Takamasa KASE ,  Yusuke MATSUOKA

IPC: C09J7/38 ,  B32B7/06 ,  B32B7/12 ,  B32B27/36 ,  B32B27/08 ,  C09J7/25 ,  C09J11/04

Abstract: A pressure sensitive adhesive sheet including, on a substrate or a release material, a resin layer, at least a surface (α) of the resin layer on the opposite to the side on which the substrate or release material is provided having pressure sensitive adhesiveness, wherein a concave portion and a flat face exist on the surface (α) of the resin layer, and a width of the concave portion observed from the side of the surface (α) is non-uniform, and in a region (D) of 8 mm in length×10 mm in width as freely-selected on the surface (α), a concave portion having an area of 70 to 99.99% relative to 100% of a total area of the concave portions existing in the region (D) exists.

公开(公告)号：US20180264489A1

公开(公告)日：2018-09-20

申请号：US15763185

申请日：2016-09-27

Applicant: LINTEC CORPORATION

Inventor： Koji TSUCHIBUCHI ,  Kazue UEMURA ,  Kiichiro KATO

IPC: B05B5/10 ,  B05D7/24 ,  B32B27/00 ,  B32B3/30 ,  C09J11/04 ,  C09J201/00 ,  C09J7/20

CPC classification number: B05B5/10 ,  B05D7/24 ,  B32B3/30 ,  B32B27/00 ,  C08G2170/40 ,  C08K3/00 ,  C08K3/013 ,  C08K3/34 ,  C08K3/346 ,  C08K3/36 ,  C08K7/00 ,  C09J5/00 ,  C09J7/20 ,  C09J7/38 ,  C09J11/04 ,  C09J133/02 ,  C09J133/08 ,  C09J175/04 ,  C09J201/00 ,  C09J2201/36 ,  C09J2201/606 ,  C09J2205/102 ,  C09J2421/00 ,  C09J2433/00 ,  C09J2467/006 ,  C09J2475/00 ,  C09D133/08

Abstract: Provided are a pressure sensitive adhesive sheet including, on a substrate, a resin layer containing a resin which is a resin layer containing a resin part (X) containing a resin as a main component and a particle part (Y) consisting of fine particles, at least a surface (α) of the resin layer on the side opposite to the side thereof on which the substrate is provided, having pressure sensitive adhesiveness, wherein a bending stress coefficient k in the MD direction of the substrate is 20 N·mm or less, a 10% elongation strength in the MD direction thereof is 260 N/15 mm or less, and concave portions satisfying specified requirements are included on the surface (α) of the resin layer; and a method for producing the pressure sensitive adhesive sheet.

公开(公告)号：US20170183544A1

公开(公告)日：2017-06-29

申请号：US15300152

申请日：2015-04-02

Applicant: LINTEC CORPORATION

Inventor： Kiichiro KATO ,  Kazue UEMURA ,  Yumiko AMINO ,  Shigeru SAITO ,  Masaru MATSUSHIMA

IPC: C09J7/02

CPC classification number: C09J7/383 ,  B05D1/36 ,  B05D3/108 ,  B05D5/00 ,  C08K3/013 ,  C08K3/34 ,  C08K3/346 ,  C08K3/36 ,  C08K7/00 ,  C08K2201/003 ,  C09J5/00 ,  C09J7/02 ,  C09J7/0207 ,  C09J7/0217 ,  C09J7/0253 ,  C09J7/026 ,  C09J7/0285 ,  C09J7/10 ,  C09J7/20 ,  C09J7/203 ,  C09J7/22 ,  C09J7/255 ,  C09J7/38 ,  C09J7/385 ,  C09J11/04 ,  C09J121/00 ,  C09J133/08 ,  C09J167/00 ,  C09J175/04 ,  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: A pressure sensitive adhesive sheet containing, on a substrate or a release material, a resin layer, at least a surface (α) of the resin layer being opposite to the side of the substrate or being opposite to the side which the release material is provided, having pressure sensitive adhesiveness, the surface (α) having one or more concave portions, the concave portions having irregular shapes. The pressure sensitive adhesive sheet has an excellent air escape property capable of easily removing air accumulation that may be formed on attaching to an adherend, and is excellent in pressure sensitive adhesion characteristics.

公开(公告)号：US20170183542A1

公开(公告)日：2017-06-29

申请号：US15300130

申请日：2015-04-02

Applicant: LINTEC CORPORATION ,  NIPPON PAINT INDUSTRIAL COATINGS CO., LTD.

Inventor： Kiichiro KATO ,  Yumiko AMINO ,  Kazue UEMURA ,  Shigeru SAITO ,  Masanori KIDO ,  Shinji NISHIOKA ,  Masato KISHI

IPC: C09J7/02 ,  C09J133/08

CPC classification number: C09J133/08 ,  C08K3/36 ,  C09J7/22 ,  C09J7/38 ,  C09J2201/36 ,  C09J2201/606 ,  C09J2205/102 ,  C09J2205/106 ,  C09J2400/123 ,  C09J2400/163 ,  C09J2400/226 ,  C09J2433/00 ,  C09J2467/006

Abstract: The present invention relates to a pressure sensitive adhesive sheet containing, laminated in this order, a supporting substrate, a pressure sensitive adhesive layer (X), a continuous void-containing layer including a composition containing silica particles, and a pressure sensitive adhesive layer (Y), the continuous void-containing layer having a mass concentration of the silica particles of more than 60% and 100% or less.

公开(公告)号：US20170174947A1

公开(公告)日：2017-06-22

申请号：US15300365

申请日：2015-04-02

Applicant: LINTEC CORPORATION

Inventor： Kiichiro KATO ,  Kazue UEMURA ,  Yumiko AMINO ,  Shigeru SAITO ,  Koji TSUCHIBUCHI ,  Yoshitomo ONO

IPC: C09J7/02 ,  C09J11/04

CPC classification number: C09J7/383 ,  B05D1/36 ,  B05D3/108 ,  B05D5/00 ,  C08K3/013 ,  C08K3/34 ,  C08K3/346 ,  C08K3/36 ,  C08K7/00 ,  C08K2201/003 ,  C09J5/00 ,  C09J7/10 ,  C09J7/20 ,  C09J7/203 ,  C09J7/22 ,  C09J7/255 ,  C09J7/38 ,  C09J7/385 ,  C09J11/04 ,  C09J121/00 ,  C09J133/08 ,  C09J167/00 ,  C09J175/04 ,  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 (α) 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 (α) 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.

公开(公告)号：US20170174945A1

公开(公告)日：2017-06-22

申请号：US15300058

申请日：2015-04-02

Applicant: LINTEC CORPORATION

Inventor： Shigeru SAITO ,  Wataru MIYSXSKI ,  Kiichiro KATO ,  Kazue UEMURA ,  Yumilo AMINO ,  Yasunari TAKANASHI

IPC: C09J7/02 ,  C09J133/08

CPC classification number: C09J7/383 ,  B05D1/36 ,  B05D3/108 ,  B05D5/00 ,  C08K3/013 ,  C08K3/34 ,  C08K3/346 ,  C08K3/36 ,  C08K7/00 ,  C08K2201/003 ,  C09J5/00 ,  C09J7/02 ,  C09J7/0207 ,  C09J7/0217 ,  C09J7/0253 ,  C09J7/026 ,  C09J7/0285 ,  C09J7/10 ,  C09J7/20 ,  C09J7/203 ,  C09J7/22 ,  C09J7/255 ,  C09J7/38 ,  C09J7/385 ,  C09J11/04 ,  C09J121/00 ,  C09J133/08 ,  C09J167/00 ,  C09J175/04 ,  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 having a resin layer on a substrate or a release material, at least a surface (α) of the resin layer being opposite to the side thereof on which the substrate or the release material is provided has pressure sensitive adhesiveness, wherein one or more concave portions exist on the surface (α), and a standard deviation (σ) based on a mean brightness value of the surface (α) is 10.0 or more. When attached to an adherend, the pressure sensitive adhesive sheet can readily remove air accumulation to be formed and therefore exhibits excellent air escape property, and has good pressure sensitive adhesion characteristics.

公开(公告)号：US20170174944A1

公开(公告)日：2017-06-22

申请号：US15129955

申请日：2015-04-02

Applicant: LINTEC CORPORATION

Inventor： Kiichiro KATO ,  Kazue UEMURA ,  Yumiko AMINO ,  Shigeru SAITO

IPC: C09J7/02 ,  C09J11/04

CPC classification number: C09J7/38 ,  C08K3/22 ,  C08K3/36 ,  C09J7/385 ,  C09J11/04 ,  C09J133/08 ,  C09J2201/28 ,  C09J2201/606 ,  C09J2205/102 ,  C09J2433/00 ,  C08F2220/1825 ,  C08F220/06

Abstract: Provided is a pressure sensitive adhesive sheet containing, on a substrate or a release material, a resin layer that includes a resin part (X) containing a resin as a main component, and a particle part (Y) consisting of fine particles, at least a surface (α) 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 plural concave portions having a maximum height difference of 0.5 μm or more exist in a predetermined region (P) on the surface (α), and 95% or more of the plural concave portions existing inside the region (P) have shapes differing from each other, and one or more such concave portions exist in a predetermined region (Q) on the surface (α). When attached to an adherend, the pressure sensitive adhesive sheet can readily remove air accumulation to be formed and therefore exhibits excellent air escape property, and has good blister resistance and pressure sensitive adhesion characteristics.

公开(公告)号：US20160009962A1

公开(公告)日：2016-01-14

申请号：US14768399

申请日：2014-09-26

Applicant: LINTEC CORPORATION

Inventor： Haruya YAMADA ,  Kiichiro KATO

IPC: C09J133/08 ,  B32B7/06 ,  C09J9/00 ,  B32B7/12 ,  C09J7/02 ,  C09J5/00

Abstract: An electrically peelable pressure sensitive adhesive sheet has a pressure sensitive adhesive layer formed of an electrically peelable pressure sensitive adhesive composition comprising an acrylic copolymer (A) comprising 1 to 99 mass % of a constituent unit (a1) derived from a compound represented by the following general formula (a1), and a surfactant (B). The electrically peelable pressure sensitive adhesive sheet has high adhesion before voltage application, but the adhesion can be effectively decreased by voltage application for a short time. wherein R1 represents a hydrogen atom or a methyl group, R2 represents an alkylene group having 1 to 5 carbon atoms that is unsubstituted or has a substituent, and R3 represents an alkyl group having 1 to 8 carbon atoms that is unsubstituted or has a substituent; and a value of n is an integer of 1 or more.

Abstract translation: 可剥离的压敏粘合片具有由电剥离性压敏粘合剂组合物形成的压敏粘合剂层，该粘合剂组合物包含丙烯酸共聚物（A），该丙烯酸共聚物（A）包含1至99质量％的由下列化合物表示的化合物衍生的构成单元（a1） 通式（a1）和表面活性剂（B）。 可电剥离的压敏粘合片在施加电压之前具有高粘附性，但是通过施加电压可以有效地降低粘合力。 其中R1表示氢原子或甲基，R2表示未取代或具有取代基的碳原子数为1〜5的亚烷基，R3表示未取代或具有取代基的碳原子数1〜8的烷基。 n的值为1以上的整数。