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公开(公告)号：US10807352B2
公开(公告)日：2020-10-20
申请号：US16123876
申请日：2018-09-06
申请人： KURARAY CO., LTD.
IPC分类号： B32B15/08 , B32B37/06 , B32B38/00 , H05K1/03 , H05K3/02 , H05K3/38 , B29C65/02 , B32B37/20 , B32B37/00 , B32B15/20 , B32B37/10 , B29C65/00 , B32B15/09 , C08G63/06 , C08J5/18
摘要： Provided is a method for producing a metal-clad laminate of a thermoplastic liquid crystal polymer film (TLCP film) and a metal sheet(s) bonded to at least one surface of the film using roll-to-roll processing. The metal sheet has a surface with a ten-point average roughness (Rz) of 5.0 μm or less to be bonded to the TLCP film. The method includes preparing the laminate, dry-treating the laminate by subjecting the laminate passed through a dry zone satisfying the following conditions (1) and (2): (1) a drying temperature of lower than the melting point of the TLCP film, (2) for a drying period of 10 seconds or longer, and heat-treating the dried laminate by subjecting the laminate passed through a heating zone on a temperature condition of not lower than the melting point of the TLCP film successively after the dry treatment.
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公开(公告)号：US10765001B2
公开(公告)日：2020-09-01
申请号：US15084554
申请日：2016-03-30
申请人： KURARAY CO., LTD.
IPC分类号： H05K1/02 , H05K1/03 , B32B15/08 , B32B27/08 , B32B15/20 , H05K3/46 , C08J5/18 , B32B3/04 , B32B7/05 , C09K19/38 , B32B27/36
摘要： Provided are a thermoplastic liquid crystal polymer film having an improved thermo-adhesive property, a circuit board, and methods respectively for producing the same. The thermoplastic liquid crystal polymer film has a segment orientation ratio SOR of 0.8 to 1.4 and a moisture content of 300 ppm or less. The circuit board contains a plurality of circuit board materials wherein the circuit board materials are at least one member selected from the group consisting of an insulating substrate having a conductor layer on at least one surface, a bonding sheet, and a coverlay. At least one of the circuit board materials includes a thermoplastic liquid crystal polymer film. The circuit board shows a solder heat resistance when the circuit board is placed in a solder bath at 290° C. for 60 seconds in accordance with JIS C 5012.
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3.发明授权公开(公告)号：US10987911B2
公开(公告)日：2021-04-27
申请号：US15567748
申请日：2016-04-20
申请人： KURARAY CO., LTD.
IPC分类号： B32B15/09 , B32B38/00 , B29C65/02 , B32B15/08 , H05K3/38 , B32B3/26 , H05K1/03 , H05K3/46 , B32B37/10 , B32B37/18
摘要： A method for manufacturing a metal-clad laminate sheet including forming a laminate sheet having the thermoplastic liquid crystal polymer film and the metal foil bonded together; and providing the laminate sheet with a heat treatment which satisfies conditions (1) and (2) below: (1) a heat treatment temperature ranges between 1° C. inclusive and 50° C. exclusive higher than a melting point of the thermoplastic liquid crystal polymer film. (2) a time for the heat treatment ranges from one second to 10 minutes.
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公开(公告)号：US10125036B2
公开(公告)日：2018-11-13
申请号：US14747032
申请日：2015-06-23
摘要： Provided is an ion exchange membrane including an ionic vinyl alcohol polymer having a cation exchange group or an anion exchange group. The ion exchange membrane 1 includes a porous support 3 and the ionic vinyl alcohol polymer. The porous support is provided, in a thickness direction from one surface thereof, with an impregnated layer 2 at least a part of which is impregnated with the ionic vinyl alcohol polymer. The ionic vinyl alcohol polymer includes an ionic vinyl alcohol polymer having an ion exchange group selected from a cation exchange group or an anion exchange group. The ion exchange membrane has a zeta potential value (ζ1) at one surface and a zeta potential value (ζ2) at the other surface, which are represented by the formula (1). (|ζ1|)−|ζ2|)/|ζ1|
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公开(公告)号：US20200055297A1
公开(公告)日：2020-02-20
申请号：US16661313
申请日：2019-10-23
申请人： Kuraray Co., Ltd.
摘要： A method for manufacturing a metal-clad laminate sheet containing (i) a thermoplastic liquid crystal polymer film comprising a thermoplastic polymer, and (ii) a metal foil bonded to at least one surface of the thermoplastic liquid crystal polymer film, the thermoplastic polymer being capable of forming an optically anisotropic molten phase, and the method containing: forming a laminate sheet having the thermoplastic liquid crystal polymer film and the metal foil bonded together; and heat treating the laminate sheet, wherein the heat treatment satisfies conditions (1) and (2): (1) wheat treatment temperature ranges between 1° C. inclusive and 50° C. exclusive higher than a melting point of the thermoplastic liquid crystal polymer film, and (2) a time for the heat treatment ranges from one second to 10 minutes.
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公开(公告)号：US11877395B2
公开(公告)日：2024-01-16
申请号：US17245542
申请日：2021-04-30
申请人： KURARAY CO., LTD.
CPC分类号： H05K1/0313 , B32B7/027 , B32B15/08 , C09K19/38 , H05K1/0298 , B32B2457/08 , H05K1/024 , H05K2201/0129 , H05K2201/0141
摘要： Provided is a thermoplastic liquid crystal polymer film (TLCP film) having a dielectric constant in a thickness direction of the film, which is suitable for a millimeter-wave radar substrate. The TLCP film is a film comprising a thermoplastic polymer capable of forming an optically anisotropic melt phase, wherein the TLCP film has a dielectric constant of from 2.5 to 3.2 in the thickness direction of the film at a temperature of 23° C. and a frequency of 20 GHz, and a heat deformation temperature of from 180 to 320° C. The TLCP film has, on a film plane, dielectric constants of from 2.6 to 3.7 at a temperature of 23° C. and a frequency of 15 GHz both in one direction of the film and in a direction perpendicular to the one direction of the film.
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公开(公告)号：US11052638B2
公开(公告)日：2021-07-06
申请号：US16082087
申请日：2017-03-02
申请人： KURARAY CO., LTD.
IPC分类号： C09K19/38 , B32B15/08 , B32B15/20 , C23C14/20 , C23C14/28 , C23C28/02 , C25D3/38 , C25D5/56 , H05K1/03 , H05K3/46
摘要： A metal-clad laminate (1) includes a thermoplastic liquid crystal polymer film (2), a metal deposition layer (4) formed on one surface of the thermoplastic liquid crystal polymer film (2), and metal foil (6) laminated to the other surface of the thermoplastic liquid crystal polymer film (2).
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公开(公告)号：US20200031098A1
公开(公告)日：2020-01-30
申请号：US16592823
申请日：2019-10-04
申请人： Kuraray Co., Ltd.
摘要： Provided are a metal clad laminate and a method for producing the same. The metal clad laminate at least includes a thermoplastic liquid crystal polymer film and a metal sheet bonded to each other, wherein the thermoplastic liquid crystal polymer film has a surface with a glossiness (20°) of 55 or higher in accordance with JIS Z 8741 on the opposite side of the bonding surface to the metal sheet. The method for producing a metal clad laminate at least includes: providing a thermoplastic liquid crystal polymer film 2 and a metal sheet 6; and introducing the thermoplastic liquid crystal polymer film 2 and the metal sheet 6 between a pair of heating rolls so as to laminate them.
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公开(公告)号：US09833742B2
公开(公告)日：2017-12-05
申请号：US14681209
申请日：2015-04-08
IPC分类号： B01D61/42 , C02F1/469 , C08F297/00 , C08J5/22 , C08F293/00 , B01D69/02 , B01D71/38 , B01D71/80 , B01D71/82 , B01J39/19
CPC分类号： B01D61/422 , B01D69/02 , B01D71/38 , B01D71/80 , B01D71/82 , B01D2325/42 , B01J39/19 , C02F1/4693 , C08F293/00 , C08F297/00 , C08J5/2231 , C08J2329/04 , C08J2353/00
摘要： Provided is a cation exchange membrane having a stable ion exchange performance during usage, being excellent in basic properties such as membrane resistance and ion transportation as well as strength, and useful for electrodialysis and a method for producing the same. The cation exchange membrane is composed of a polyvinyl alcohol copolymer including an anionic group-containing anionic polymer segment and a vinyl alcohol polymer segment, and having a microphase separation structure having a domain size (X) in a range from 0 nm
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