公开(公告)号：EP3166154A1

公开(公告)日：2017-05-10

申请号：EP15814293.5

申请日：2015-06-24

Applicant: Mitsui Chemicals, Inc.

Inventor： TANIMOTO, Kazuhiro ,  YOSHIDA, Mitsunobu ,  NISHIKAWA, Shigeo

IPC: H01L41/193 ,  B32B7/02 ,  B32B27/36 ,  C08L67/04 ,  C08L101/16 ,  H01L41/053 ,  H01L41/083 ,  H01L41/09 ,  H01L41/253 ,  H01L41/45

CPC classification number: H01L41/193 ,  B32B7/12 ,  B32B27/08 ,  B32B27/36 ,  B32B2250/244 ,  B32B2255/10 ,  B32B2307/20 ,  B32B2457/00 ,  C08G63/06 ,  C08J5/18 ,  C08J7/123 ,  C08J2367/04 ,  H01L41/083 ,  H01L41/253 ,  H01L41/335 ,  H01L41/45

Abstract: A polymeric piezoelectric material, comprising at least two regions, the at least two regions comprising: a region H, which is an oriented polymeric piezoelectric region that includes an optically active helical chiral polymer (A) having a weight average molecular weight of from 50,000 to 1,000,000, the region H having a crystallinity obtained by a DSC method of from 20% to 80% and having a standardized molecular orientation measured by a microwave transmission-type molecular orientation meter based on a reference thickness of 50 µm of from 3.5 to 15.0; and a region L, which is a low orientation region that includes the optically active helical chiral polymer (A) having a weight average molecular weight of from 50,000 to 1,000,000, the region L being present near at least part of an end portion of the region H, having an average width when viewed from a normal direction with respect to the principal plane of the region H of from 10 µm to 300 µm, and having a retardation is 100 nm or less.

Abstract translation: 高分子压电材料，包括至少两个区域，所述至少两个区域，包括：区域H，在所有这是在定向的聚合物压电区域没有包括在具有从50,000到的重均分子量的光学活性螺旋手性聚合物（A） 1,000,000，该区域H具有由从20％至80％的DSC方法获得的结晶度和具有由基于从3.5到15.0的50微米的参考厚度的微波透射型分子取向计测得的标准化分子取向; 和的区域L，所有这一切都为低取向区做了包括光学活性螺旋手性聚合物（A），其具有从50,000至1,000,000的重均分子量，该区域L是该区域的端部的附近存在的至少一部分 H，具有平均宽度从法线方向相对于观察时的区域H的主平面从10微米至300微米，并且具有延迟为100nm或更小。

公开(公告)号：EP2985142A1

公开(公告)日：2016-02-17

申请号：EP14783153.1

申请日：2014-04-09

Applicant: Mitsui Chemicals, Inc.

Inventor： TANIMOTO, Kazuhiro ,  ASANO, Yohsuke ,  YOSHIDA, Mitsunobu ,  NISHIKAWA, Shigeo

IPC: B32B7/02 ,  B32B27/36 ,  H01L41/193

CPC classification number: H01L41/193 ,  B32B27/08 ,  B32B27/308 ,  B32B27/36 ,  B32B2307/20 ,  B32B2307/51 ,  B32B2307/54 ,  B32B2307/704 ,  B32B2457/20 ,  B32B2457/202

Abstract: A layered body including a crystalline polymeric piezoelectric body, which is molecularly oriented, and a surface layer, in which the relationship between the tensile modulus E (GPa) and the thickness d (µm) satisfies the following Formula (A): 0.6 ≤ Ec / d

Abstract translation: 包括分子取向的结晶高分子压电体和表面层的层状体，其中拉伸模量E（GPa）和厚度d（μm）之间的关系满足下式（A）：0.6≤Ec / d

公开(公告)号：EP2672539A1

公开(公告)日：2013-12-11

申请号：EP12840727.7

申请日：2012-10-12

Applicant: Mitsui Chemicals, Inc.

Inventor： TANIMOTO, Kazuhiro ,  YOSHIDA, Mitsunobu ,  NISHIKAWA, Shigeo ,  SHIMIZU, Masaki

IPC: H01L41/193 ,  C08J5/18 ,  C08K5/29 ,  C08L67/04 ,  H01L41/08 ,  H01L41/09 ,  H01L41/22 ,  H01L41/45

CPC classification number: H01L41/193 ,  B29C55/04 ,  B29C71/02 ,  B29C2071/022 ,  B29D7/01 ,  B29K2067/046 ,  B29K2995/004 ,  C08G63/02 ,  C08G63/06 ,  C08G63/08 ,  C08J5/18 ,  C08J7/08 ,  C08J2367/04 ,  C08K5/29 ,  C08L67/04 ,  H01L41/0478 ,  H01L41/18 ,  H01L41/22 ,  H01L41/33 ,  H01L41/35 ,  H01L41/45 ,  C08L79/00

Abstract: The present invention provides a polymeric piezoelectric material comprising an aliphatic polyester (A) with a weight-average molecular weight of from 50,000 to 1,000,000 and having optical activity, and a stabilizing agent (B) with a weight-average molecular weight of from 200 to 60,000 having at least one kind of functional group selected from the group consisting of a carbodiimide group, an epoxy group and an isocyanate group, wherein the crystallinity of the material obtained by a DSC method is from 20% to 80%, and a content of the stabilizing agent (B) is from 0.01 part by mass to l 0 parts by mass with respect to 100 parts by mass of the aliphatic polyester (A), as well as a process for producing the same.

Abstract translation: 本发明提供一种聚合物压电材料，其包含重均分子量为50,000〜1,000,000的具有光学活性的脂肪族聚酯（A）和稳定剂（B），其重均分子量为200〜 60,000，具有选自碳二亚胺基，环氧基和异氰酸酯基中的至少一种官能团，其中通过DSC法获得的材料的结晶度为20〜80％，含量为 稳定剂（B）相对于100质量份脂肪族聚酯（A）为0.01质量份〜10质量份，以及其制造方法。

公开(公告)号：EP3376549A1

公开(公告)日：2018-09-19

申请号：EP16878994.9

申请日：2016-12-22

Applicant: Mitsui Chemicals, Inc.

Inventor： YOSHIDA, Mitsunobu ,  TANIMOTO, Kazuhiro ,  ONISHI, Katsuki ,  NISHIKAWA, Shigeo

IPC: H01L41/193 ,  G01L1/16 ,  H01L41/087 ,  H01L41/09 ,  H01L41/113 ,  H02N2/00

CPC classification number: G01L1/16 ,  H01L41/087 ,  H01L41/09 ,  H01L41/113 ,  H01L41/193 ,  H02N2/00

Abstract: Provided is a piezoelectric substrate including: an elongate conductor; and an elongate first piezoelectric material helically wound in one direction around the conductor, in which the first piezoelectric material includes an optically active helical chiral polymer (A), the lengthwise direction of the first piezoelectric material and the principal orientation direction of the helical chiral polymer (A) included in the first piezoelectric material are substantially parallel to each other, and the first piezoelectric material has an orientation degree of F in a range of from 0.5 to less than 1.0, determined from X-ray diffraction measurement by the following Formula (a): orientation degree F = 180 ° − α / 180 ° (in Formula (a), α represents a half width of a peak derived from orientation).

公开(公告)号：EP3336913A1

公开(公告)日：2018-06-20

申请号：EP16853363.6

申请日：2016-09-05

Applicant: Mitsui Chemicals, Inc.

Inventor： TANIMOTO, Kazuhiro ,  ONISHI, Katsuki ,  NAKAMURA, Yuzo

IPC: H01L41/193 ,  B32B7/02 ,  B32B27/00 ,  B32B27/36 ,  D03D1/00 ,  D03D15/02 ,  H01L41/09 ,  H01L41/113 ,  H01L41/338 ,  H01L41/45

CPC classification number: H01L41/193 ,  A41D31/00 ,  B32B7/02 ,  B32B27/00 ,  B32B27/36 ,  C08J5/18 ,  C08J2367/04 ,  D03D1/00 ,  D03D1/0088 ,  D03D15/02 ,  H01L41/047 ,  H01L41/0533 ,  H01L41/082 ,  H01L41/0825 ,  H01L41/09 ,  H01L41/113 ,  H01L41/338 ,  H01L41/45

Abstract: Provided is: an elongated plate-form piezoelectric body, which contains an optically active helical chiral polymer (A) having a weight-average molecular weight of from 50,000 to 1,000,000 and has an elongated plate shape having a thickness of from 0.001 mm to 0.2 mm, a width of from 0.1 mm to 30 mm and a width-to-thickness ratio of 2 or higher, and in which the lengthwise direction and the main orientation direction of the helical chiral polymer (A) are substantially parallel to each other; the crystallinity measured by a DSC method is from 20% to 80%; and the birefringence is from 0.01 to 0.03.

公开(公告)号：EP3020549B1

公开(公告)日：2017-11-15

申请号：EP14840902.2

申请日：2014-08-29

Applicant: Mitsui Chemicals, Inc.

Inventor： TANIMOTO, Kazuhiro ,  YOSHIDA, Mitsunobu ,  NISHIKAWA, Shigeo

IPC: H01L41/45 ,  H01L41/193 ,  H01L41/053 ,  H01L41/083

CPC classification number: H01L41/193 ,  B32B27/08 ,  B32B27/18 ,  B32B27/36 ,  B32B2307/306 ,  B32B2307/704 ,  B32B2307/718 ,  B32B2307/7246 ,  B32B2457/00 ,  H01L41/0533 ,  H01L41/45

公开(公告)号：EP3188267A1

公开(公告)日：2017-07-05

申请号：EP15834300.4

申请日：2015-07-10

Applicant: Mitsui Chemicals, Inc.

Inventor： TANIMOTO, Kazuhiro ,  SATO, Keisuke ,  KITAGAWA, Toshihisa ,  OZAKI, Katsutoshi

IPC: H01L41/193 ,  C08J5/18

CPC classification number: C08G63/06 ,  B29C55/16 ,  B29C71/02 ,  C08G63/08 ,  C08J5/18 ,  H01L41/193 ,  H01L41/45

Abstract: Provided is a polymeric piezoelectric film containing an optically active helical chiral polymer (A) having a weight average molecular weight of from 50,000 to 1,000,000, in which a crystallinity obtained by a DSC method is from 20% to 80%, and the product of the crystallinity and a standardized molecular orientation MORc when a reference thickness measured by a microwave transmission-type molecular orientation meter is set to 50 µm is from 25 to 700, and in which a surface roughness of at least one plane in terms of a non-contact three-dimensional surface roughness Sa measured by a confocal laser microscope is from 0.040 µm to 0.105 µm.

Abstract translation: 本发明提供一种高分子压电膜，其含有重均分子量为50,000〜1,000,000的光学活性螺旋手性聚合物（A），其中通过DSC法得到的结晶度为20〜80％，且 当由微波透过型分子取向仪测定的基准厚度为50μm时的结晶性和标准化分子取向MORc为25〜700，以非接触方式表示至少一个面的表面粗糙度 由共聚焦激光显微镜测量的三维表面粗糙度Sa为0.040μm至0.105μm。

公开(公告)号：EP2469618A1

公开(公告)日：2012-06-27

申请号：EP11819957.9

申请日：2011-08-24

Applicant: Mitsui Chemicals, Inc. ,  A School Corporation Kansai University

Inventor： YOSHIDA, MITSUNOBU ,  FUJII, Syunsuke ,  ONISHI, Hitoshi ,  TAJITSU, Yoshiro ,  NISHIMOTO, Taizo ,  TANIMOTO, Kazuhiro ,  GOTO, Kenichi

IPC: H01L41/193 ,  C08L27/16 ,  C08L67/04 ,  C08L101/16 ,  H01L41/26

CPC classification number: H01L41/193 ,  B29C55/005 ,  B29C55/04 ,  B29C71/0009 ,  B29C71/02 ,  B29C2071/022 ,  B29K2067/046 ,  B29K2105/256 ,  B29K2995/0003 ,  B29K2995/0026 ,  B29K2995/004 ,  B29K2995/0051 ,  B29K2995/0088 ,  B29L2007/002 ,  B29L2031/34 ,  C08L27/16 ,  C08L67/04 ,  H01L41/183 ,  H01L41/45

Abstract: The invention provides a piezoelectric polymer material comprising a helical chiral polymer having a weight average molecular weight of from 50,000 to 1,000,000 and optical activity, the piezoelectric polymer material having: crystallinity as obtained by a DSC method of from 40% to 80%; a transmission haze with respect to visible light of from 0.0% to 40%; a standardized molecular orientation MORc, which is measured with a microwave transmission-type molecular orientation meter at a reference thickness of 50 µm, of from 3.5 to 15.0; and a product of the crystallinity and the standardized molecular orientation MORc of from 100 to 700, and a piezoelectric polymer material comprising a polylactic acid-based polymer and polyvinylidene fluoride, wherein a content of the polyvinylidene fluoride is from more than 0 mass% to 5 mass% with respect to the total mass of the polylactic acid-based polymer, and wherein a piezoelectric constant d 14 measured by a resonance method at 25°C is 10 pC/N or more. According to the invention, a method of producing a piezoelectric polymer material that exhibits a large piezoelectric constant d 14 and excellent transparency and dimensional stability.

公开(公告)号：EP3614445A1

公开(公告)日：2020-02-26

申请号：EP18788433.3

申请日：2018-04-20

Applicant: Mitsui Chemicals, Inc.

Inventor： YOSHIDA, Mitsunobu ,  ONISHI, Katsuki ,  TANIMOTO, Kazuhiro

IPC: H01L41/087 ,  G01L1/16 ,  H01L41/09 ,  H01L41/113 ,  H01L41/193

Abstract: A piezoelectric substrate, comprising: a conductor cord that has a core material and a conductor disposed around the core material; and an elongated piezoelectric body that is disposed around the conductor cord in a spiral manner, unidirectionally along an axial direction of the conductor cord, wherein: the piezoelectric body comprises an optically active helical chiral polymer, a lengthwise direction of the piezoelectric body and a main orientation direction of the helical chiral polymer in the piezoelectric body are substantially parallel to each other, the piezoelectric body has an orientation degree F of from 0.5 to less than 1.0, and the conductor cord satisfies Formula (b): ΔD max pmin , wherein ΔD max is a maximum value of a difference in height between a division A that is selected from plural divisions and a division B that is adjacent to the division A, and t pmin is a minimum thickness of the piezoelectric body.

公开(公告)号：EP3534419A1

公开(公告)日：2019-09-04

申请号：EP17872372.2

申请日：2017-11-17

Applicant: Mitsui Chemicals, Inc.

Inventor： TANIMOTO, Kazuhiro ,  YOSHIDA, Mitsunobu ,  ONISHI, Katsuki

IPC: H01L41/193 ,  A61B5/11 ,  D01F4/02 ,  D02G3/26 ,  G01L1/16 ,  H01L41/09 ,  H01L41/113

Abstract: Provided is a piezoelectric substrate, containing an elongate piezoelectric body that is helically wound, in which the piezoelectric body includes an optically active polypeptide, a length direction of the piezoelectric body and a main orientation direction of the optically active polypeptide included in the piezoelectric body are substantially parallel to each other, and the piezoelectric body has a degree of orientation F of from 0.50 to less than 1.00, as determined from X-ray diffraction measurement by the following Formula (a): Degree of orientation F = 180 ° − α / 180 ° in Formula (a), α represents a half width (°) of a peak derived from orientation.