公开(公告)号：US10857758B2

公开(公告)日：2020-12-08

申请号：US16064364

申请日：2016-12-16

Applicant: NITTO DENKO CORPORATION ,  DOW TORAY CO., LTD.

Inventor： Kohei Doi ,  Toru Iseki ,  Akihiro Nakamura ,  Syuji Endo

IPC: B32B5/18 ,  C08J9/28 ,  B32B27/00 ,  C08J9/00 ,  C09J7/38 ,  C09J7/26 ,  B29C44/02 ,  B29C44/34 ,  B29K83/00 ,  B29L7/00

Abstract: Provided is a silicone foam sheet that expresses excellent bubble removability, that has satisfactory adhesiveness with an adherend and satisfactory sealability, that maintains the expression of these effects even when its thickness is reduced, that preferably expresses a stable modulus of elasticity over a region from a low-temperature region to a high-temperature region, and that suppresses both of its compression set in the low-temperature region and its compression set in the high-temperature region to low levels. Also provided is a method of producing such silicone foam sheet. The silicone foam sheet comprises an open-cell structure having a thickness of from 10 μm to 3,000 μm, wherein an open-cell ratio is 90% or more, an average cell diameter of the silicone foam sheet is from 1 μm to 50 μm, and 90% or more of all cells therein each has a cell diameter of 80 μm or less.

公开(公告)号：US11565238B2

公开(公告)日：2023-01-31

申请号：US16603388

申请日：2018-01-22

Applicant: NITTO DENKO CORPORATION

Inventor： Toru Iseki ,  Kohei Doi ,  Mitsuhiro Kanada ,  Kazumichi Kato ,  Hideyuki Tokuyama

IPC: B01J20/26 ,  C09J7/10 ,  B01J20/28 ,  B01J20/30 ,  H01L21/683

Abstract: Provided is an adsorption temporary fixing sheet having a sufficient shear adhesive strength in a direction parallel to its surface, and having a weak adhesive strength in a direction vertical to the surface. Also provided is a method of producing such adsorption temporary fixing sheet. The adsorption temporary fixing sheet includes a foam layer including an open-cell structure, wherein, when a silicon chip vertical adhesive strength of a surface of the foam layer after 20 hours at each of such different temperatures as −40° C., 23° C., or 125° C. is represented by V1 (N/1 cm□), V2 (N/1 cm□), or V3 (N/1 cm□) and when a silicon chip shearing adhesive strength of the surface of the foam layer after 20 hours at each of the different temperatures (−40° C., 23° C., or 125° C.) is represented by H1 (N/1 cm□), H2 (N/1 cm□), or H3 (N/1 cm□), relationships of V1

公开(公告)号：US08883922B2

公开(公告)日：2014-11-11

申请号：US13719917

申请日：2012-12-19

Applicant: Nitto Denko Corporation

Inventor： Toru Iseki ,  Keisuke Hirano

IPC: C09J133/14

CPC classification number: C09J133/14 ,  C08K5/0091 ,  C08K5/07 ,  C08K5/29 ,  C08K5/34924 ,  C09J7/385 ,  C09J133/066 ,  C09J2205/102

Abstract: Provided are a pressure-sensitive adhesive composition that is produced with no tin compound, has a sufficiently long pot life, and can be rapidly crosslinked in the process of forming a pressure-sensitive adhesive layer; and a pressure-sensitive adhesive layer and a pressure-sensitive adhesive sheet each produced using such a pressure-sensitive adhesive composition. A pressure-sensitive adhesive composition, comprising: 100 parts by weight of an acrylic polymer (A) having an active hydrogen-containing functional group; 0.1 parts by weight to 10 parts by weight of an isocyanate crosslinking agent (B); 0.002 parts by weight to 0.5 parts by weight of a catalyst (C) having an iron active center; and a compound (D) capable of undergoing keto-enol tautomerism, wherein the weight ratio (D/C) of the compound (D) capable of undergoing keto-enol tautomerism to the catalyst (C) having an iron active center is from 3 to 70.

Abstract translation: 提供一种不含锡化合物生产的粘合剂组合物，其使用寿命足够长，并且在形成压敏粘合剂层的过程中可快速交联; 以及使用这种压敏粘合剂组合物制造的压敏粘合剂层和压敏粘合片。 一种压敏粘合剂组合物，其包含：100重量份具有含活性氢的官能团的丙烯酸类聚合物（A） 0.1重量份-10重量份的异氰酸酯交联剂（B）; 0.002重量份至0.5重量份具有铁活性中心的催化剂（C）; 和能够进行酮 - 烯醇互变异构化的化合物（D），其中能够经历酮 - 烯互变异构化的化合物（D）与具有铁活性中心的催化剂（C）的重量比（D / C）为3 到70。