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公开(公告)号：US20240010802A1
公开(公告)日：2024-01-11
申请号：US18156405
申请日：2023-01-19
发明人： Hajime SUGAHARA , Hidekazu Hirose , Kosaku Yoshimura , Shigeru Seitoku , Kosuke Nakada , Satoshi Yoshida
CPC分类号： C08J5/18 , C08L79/08 , C08J9/0061 , C08J9/286 , C08L2203/16 , C08J2379/08 , C08J2425/06 , C08J2205/042 , C08J2205/044
摘要： A porous polyimide film has a ratio of a cross-sectional average micro pore diameter (μm) to a first surface micro pore diameter (μm) on one surface (the cross-sectional average micro pore diameter/the first surface micro pore diameter) of equal to or more than 5 and equal to or less than 10.
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2.发明授权公开(公告)号：US11958939B2
公开(公告)日：2024-04-16
申请号：US17403011
申请日：2021-08-16
发明人： Kosuke Nakada , Shigeru Seitoku , Takeshi Iwanaga , Tomoyo Okubo , Hajime Sugahara , Hidekazu Hirose
CPC分类号： C08G73/1007 , C08J5/18 , C08J9/26 , C08J2379/08
摘要： A polyimide precursor solution contains: an aqueous solvent containing water; particles; and a polyimide precursor, wherein the polyimide precursor has a high molecular weight region A containing a high molecular weight side maximum value and a low molecular weight region B containing a low molecular weight side maximum value in an elution curve obtained by gel permeation chromatography, a weight average molecular weight in the high molecular weight region A is 50,000 or more, a weight average molecular weight in the low molecular weight region B is 10,000 or more and 30,000 or less, and a value of a/(a+b) is 0.60 or more and 0.98 or less in which a represents an area of the high molecular weight region A and b represents an area of the low molecular weight region B.
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公开(公告)号：US11059944B2
公开(公告)日：2021-07-13
申请号：US16273174
申请日：2019-02-12
摘要： A resin molded article includes a first resin formed of a polyolefin, reinforcing fibers, a second resin selected from a group consisting of a resin containing at least one of an amide bond and an imide bond, a resin containing an ester bond, and a resin having a linking group containing a sulfur atom, and a compatibilizer. The absolute value of difference in melting temperature between the first resin and the second resin is 130° C. or lower. At least a portion of the second resin forms domains in the first resin. The domains include first domains that do not contain the reinforcing fibers and second domains that contain the reinforcing fibers and that include a coating layer formed of at least a portion of the second resin on the periphery of the reinforcing fibers. The second domains include a second domain A containing one of the reinforcing fibers and a second domain B containing two or more of the reinforcing fibers.
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公开(公告)号：US11787942B2
公开(公告)日：2023-10-17
申请号：US17591983
申请日：2022-02-03
CPC分类号： C08L79/08 , C08J9/26 , H01B3/306 , C08J2201/046 , C08J2367/02 , C08J2379/08 , C08L2203/16 , C08L2203/202 , C08L2205/18 , C08L2205/22 , C08L67/02 , C08L79/08 , C09D179/08 , C08L67/02
摘要： A polyimide precursor solution includes: a polyimide precursor; polyester resin particles containing a polyester resin and having a volume average particle diameter of from 3 μm to 50 μm inclusive and an average circularity of 0.970 or more; and a solvent.
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公开(公告)号：US11104538B1
公开(公告)日：2021-08-31
申请号：US16986225
申请日：2020-08-05
发明人： Susumu Yoshino , Yoshifumi Iida , Satoshi Kamiwaki , Sakae Takeuchi , Satomi Kashiwagi , Sumiaki Yamasaki , Takahiro Ishizuka , Shigeru Seitoku , Kiyohiro Yamanaka
IPC分类号： B65H37/04 , B65H37/02 , C09J125/14
摘要： A method for producing a printed material includes providing pressure-induced phase transition particles to a part of an outside margin portion or a portion to be folded of a recording medium; bonding the pressure-induced phase transition particles to the recording medium; and pressure-bonding a multilayer body in which plural recording media are stacked, the recording media including the recording medium having the pressure-induced phase transition particles bonded thereon.
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