公开(公告)号：US09805868B2

公开(公告)日：2017-10-31

申请号：US14387119

申请日：2013-03-15

Applicant: Toray Industries, Inc.

Inventor： Takanori Nakatsuka ,  Tetsuya Asano ,  Masami Sugata

IPC: H01G4/18 ,  C08J5/18 ,  H01G4/015 ,  B29C55/14 ,  B29K23/00

CPC classification number: H01G4/18 ,  B29C55/143 ,  B29K2023/10 ,  B29K2995/0006 ,  C08J5/18 ,  C08J2323/10 ,  H01G4/015 ,  Y10T428/24355

Abstract: A biaxially stretched polypropylene film for capacitors which has protrusions on both sides and has a thickness (t1[μm]) of 1 μm to 3 μm, wherein Formulae (1) to (4) are satisfied by an A-side as one film surface and a B-side as another film surface: |Pa−Pb|≧200;  (1) 0.350≦Pa/SRzA≦0.700;  (2) 500 nm≦SRzA≦1,200 nm;  (3) 50 nm≦SRzB≦500 nm;  (4) wherein, in Formulae (1) to (4), Pa is a number per 0.1 mm2 of protrusions on the A-side, Pb is a number per 0.1 mm2 of protrusions on the B-side, SRzA is a ten-point average roughness of the A-side, and SRzB is a ten-point average roughness of the B-side.

公开(公告)号：US20160024641A1

公开(公告)日：2016-01-28

申请号：US14773516

申请日：2014-03-19

Applicant: TORAY INDUSTRIES, INC.

Inventor： Teruo Monno ,  Tetsuya Asano

IPC: C23C14/14 ,  B29C47/00

CPC classification number: C23C14/14 ,  B29C48/0018 ,  B29C55/143 ,  B29K2023/10 ,  B29L2007/00 ,  C08J5/18 ,  C08J2323/12 ,  C23C14/022 ,  C23C14/562 ,  H01G4/18 ,  Y02T10/7022

Abstract: A biaxially oriented polypropylene film exhibits excellent withstand voltage characteristics and reliability and secure stable productivity and processability into an element in high-voltage capacitor applications, and therefore is suitable for capacitors and other applications and has high dimensional stability, a low thermal shrinkage at high temperatures, and in particular, a low thermal shrinkage stress. The biaxially oriented polypropylene film has a meso pentad fraction of 95% or more but less than 98%, a thickness of 1 to 3 μm, and a transversal thermal shrinkage stress at 140° C. of 0 N/mm2 to 1 N/mm2.

Abstract translation: 双轴取向聚丙烯薄膜具有优异的耐电压特性和可靠性，确保高压电容器应用中的元件的稳定的生产率和加工性，因此适用于电容器等应用，具有高尺寸稳定性，高温下的低热收缩率 ，特别是低热收缩应力。 双轴取向聚丙烯膜的内消旋五单元组分数为95％以上但小于98％，厚度为1〜3μm，140℃下的横向热收缩应力为0N / mm 2〜1 N / mm 2 。

公开(公告)号：US20140268493A1

公开(公告)日：2014-09-18

申请号：US14112591

申请日：2011-04-19

Applicant: Toray Industries, Inc.

Inventor： Takanori Nakatsuka ,  Masami Sugata ,  Tetsuya Asano

IPC: H01G4/18

CPC classification number: H01G4/18 ,  B29C55/143 ,  B29K2023/10 ,  B29K2995/0072 ,  B82Y99/00 ,  C08J5/18 ,  C08J2323/10 ,  Y02T10/7022 ,  Y10S977/948 ,  Y10T428/24355

Abstract: Provided is a biaxially stretched polypropylene film for capacitors which has high withstand voltage characteristics when used as a dielectric for capacitors and which has highly suitable processability into elements. The biaxially stretched polypropylene film for capacitors has projections on both surfaces and has a thickness (t1, μm) of 4-20 μm. When one of the surfaces is expressed by surface A and the other by surface B, all of the following relationships are satisfied. 800≦SRzB≦1,300 (nm) 0.1≦SRzA/SRzB≦0.8 PBmin≧100 (nm) PBmax≦1,500 (nm) 0.4≦PB450-750/PB≦0.7.

Abstract translation: 提供一种用于电容器的双轴拉伸聚丙烯薄膜，当用作电容器的电介质时具有高耐压特性，并且对元件具有高度适合的加工性。 用于电容器的双轴拉伸聚丙烯膜在两个表面上具有突起，并且具有4-20μm的厚度（t1，μm）。 当其中一个表面由表面A表示，另一个由表面B表示时，满足以下所有关系。 800和nlE; SRzB＆nlE; 1,300（nm）0.1＆amp; N1; SRzA / SRzB＆nlE; 0.8PBmin≥100（nm）PBmax＆nlE; 1,500（nm）0.4＆nlE; PB450-750 / PB＆

公开(公告)号：US20150050456A1

公开(公告)日：2015-02-19

申请号：US14387119

申请日：2013-03-15

Applicant: Toray Industries, Inc.

Inventor： Takanori Nakatsuka ,  Tetsuya Asano ,  Masami Sugata

IPC: H01G4/18

CPC classification number: H01G4/18 ,  B29C55/143 ,  B29K2023/10 ,  B29K2995/0006 ,  C08J5/18 ,  C08J2323/10 ,  H01G4/015 ,  Y10T428/24355

Abstract: A biaxially stretched polypropylene film for capacitors which has protrusions on both sides and has a thickness (t1 [μm]) of 1 μm to 3 μm, wherein Formulae (1) to (4) are satisfied by an A-side as one film surface and a B-side as another film surface: |Pa−Pb|≧200;  (1) 0.350≦Pa/SRzA≦0.700;  (2) 500 nm≦SRzA≦1,200 nm;  (3) 50 nm≦SRzB≦500 nm;  (4) wherein, in Formulae (1) to (4), Pa is a number per 0.1 mm2 of protrusions on the A-side, Pb is a number per 0.1 mm2 of protrusions on the B-side, SRzA is a ten-point average roughness of the A-side, and SRzB is a ten-point average roughness of the B-side.

Abstract translation: 一种用于电容器的双轴拉伸聚丙烯薄膜，其在两侧具有突起并且具有1μm至3μm的厚度（t1 [μm]），其中式（1）至（4）由A侧作为一个薄膜表面 和B面作为另一个膜表面：| Pa-Pb |​​≥200; （1）0.350＆nlE; Pa / SRzA＆nlE; 0.700; （2）500nm＆amp; NlE; SRzA＆amp; 1200; 1200nm; （3）50nm＆nlE; SRzB＆amp; 500nm; （4）其中，在式（1）〜（4）中，Pa为A侧的每0.1mm 2的突起数，Pb为B侧的每0.1mm2的突起数，SRzA为十 A侧的点平均粗糙度，SRzB是B侧的十点平均粗糙度。

公开(公告)号：US20180068791A1

公开(公告)日：2018-03-08

申请号：US15561506

申请日：2016-03-23

Applicant: Toray Industries, Inc.

Inventor： Soichi Fujimoto ,  Koji Kurouji ,  Tetsuya Asano

IPC: H01G4/18 ,  H01G2/10 ,  B32B27/32 ,  C08L23/12

CPC classification number: H01G4/18 ,  B29C55/12 ,  B29D7/01 ,  B32B27/32 ,  B32B2457/16 ,  C08L23/12 ,  C08L2203/16 ,  C08L2203/206 ,  H01G2/103

Abstract: A biaxially oriented polypropylene film for a capacitor, in which μdm and μdt are each 0.60-1.70 and the value of the ratio (μdm/μdt) of μdm and μdt is 0.75 to less than 1.15, where μdm is the kinetic friction coefficient in a longitudinal direction and μdt is the kinetic friction coefficient in a width direction has the film thickness measured by a micrometer method of 0.5-3 μm. The biaxially oriented polypropylene film for a capacitor has excellent voltage withstanding ability and is demonstrated in a capacitor application, and stable productivity and workability are ensured.

公开(公告)号：US09721728B2

公开(公告)日：2017-08-01

申请号：US14775795

申请日：2014-03-13

Applicant: Toray Industries, Inc.

Inventor： Tomoyuki Inoue ,  Tetsuya Asano

IPC: H01G4/14 ,  B32B27/32 ,  B29C55/12 ,  C08J5/18 ,  H01G4/18 ,  H01G4/33 ,  B29K23/00

CPC classification number: H01G4/14 ,  B29C55/12 ,  B29K2023/10 ,  B32B27/32 ,  B32B2457/16 ,  C08J5/18 ,  C08J2323/12 ,  H01G4/18 ,  H01G4/33

Abstract: A biaxially orientated polypropylene film for capacitor includes protrusions on both surfaces. The biaxially orientated polypropylene film has a thickness (t1) of 1 to 3 μm, has a ten point average roughness (SRz) of 50 nm or more and less than 500 nm on both surfaces, and meets equations (1) and (2) where one surface and the other surface are referred to as a surface A and a surface B, respectively: 150≦Pa≦400  (1) 50≦Pb≦150  (2) wherein Pa denotes number of protrusions per 0.1 mm2 on the surface A and Pb denotes number of protrusions per 0.1 mm2 on the surface B.

公开(公告)号：US20160027581A1

公开(公告)日：2016-01-28

申请号：US14775795

申请日：2014-03-13

Applicant: TORAY INDUSTRIES, INC.

Inventor： Tomoyuki Inoue ,  Tetsuya Asano

IPC: H01G4/14 ,  H01G4/33

CPC classification number: H01G4/14 ,  B29C55/12 ,  B29K2023/10 ,  B32B27/32 ,  B32B2457/16 ,  C08J5/18 ,  C08J2323/12 ,  H01G4/18 ,  H01G4/33

Abstract: A biaxially orientated polypropylene film for capacitor includes protrusions on both surfaces. The biaxially orientated polypropylene film has a thickness (t1) of 1 to 3 μm, has a ten point average roughness (SRz) of 50 nm or more and less than 500 nm on both surfaces, and meets equations (1) and (2) where one surface and the other surface are referred to as a surface A and a surface B, respectively: 150≦Pa≦400  (1) 50≦Pb≦150  (2) wherein Pa denotes number of protrusions per 0.1 mm2 on the surface A and Pb denotes number of protrusions per 0.1 mm2 on the surface B.

Abstract translation: 用于电容器的双轴取向聚丙烯膜包括两个表面上的突起。 双轴取向的聚丙烯膜的厚度（t1）为1〜3μm，两面的平均平均粗糙度（SRz）为10nm以上且小于500nm，满足式（1）和（2） 其中一个表面和另一个表面分别称为表面A和表面B：150＆amp; 100; Pa＆nlE; 400（1）50＆lt; Pb＆nlE; 150（2）其中Pa表示表面A上每0.1mm2的突起数 Pb表示表面B上每0.1mm 2的突起数。