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公开(公告)号：US20150274911A1
公开(公告)日：2015-10-01
申请号：US14431079
申请日：2013-09-25
Applicant: TOHO TENAX CO., LTD.
Inventor： Takaya Suzuki , Hajime Sakamoto , Toyoaki Ishiwata , Yoshitaka Umemoto
CPC classification number: C08J5/24 , B29B11/16 , B29K2063/00 , B29K2105/089 , B29K2307/04 , B29K2995/0005 , B32B5/26 , B32B7/06 , B32B27/08 , B32B27/38 , B32B37/10 , B32B2250/24 , B32B2260/023 , B32B2260/046 , B32B2262/106 , B32B2264/105 , B32B2264/108 , B32B2307/202 , B32B2307/558 , B32B2307/702 , B32B2307/748 , B32B2605/00 , C08J2363/00 , C08J2377/00 , C08J2381/06 , Y10T156/10 , Y10T428/31515
Abstract: The invention provides a prepreg comprising: a primary prepreg composed of reinforcing fibers and a resin composition (I) impregnating the interior of a reinforcing fiber layer formed from these fibers; and a surface layer composed of a resin composition (II) formed on one or both sides of the primary prepreg; wherein the resin composition (I) is an epoxy resin composition [B] containing at least an epoxy resin and a thermoplastic resin, and the resin composition (II) is an epoxy resin composition [A] containing at least an epoxy resin and conductive particles.
Abstract translation: 本发明提供一种预浸料，其包括：由增强纤维构成的初级预浸料和浸渍由这些纤维形成的增强纤维层内部的树脂组合物（I） 以及由在一次预浸料坯的一面或两面上形成的树脂组合物（II）构成的表层; 其中树脂组合物（I）是至少含有环氧树脂和热塑性树脂的环氧树脂组合物[B]，树脂组合物（II）是至少含有环氧树脂和导电性粒子的环氧树脂组合物[A] 。
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公开(公告)号：US10544274B2
公开(公告)日：2020-01-28
申请号：US15329098
申请日：2015-07-24
Applicant: Toho Tenax Co., Ltd.
Inventor： Kazuma Kurokawa , Hironori Kawamoto , Yoshitaka Umemoto , Akio Nakaishi
Abstract: A prepreg includes conductive fibers impregnated with a matrix resin, the prepreg having a conductive region where a conductive material is dispersed in the resin. In the present invention, a resin layer composed of at least the matrix resin preferably is present on one or both surfaces of a conductive fiber layer composed of at least the conductive fibers, and the conductive region is present at least in the resin layer. In addition, the above-described conductive region preferably is present continuously in the thickness direction. The conductive region preferably is a conductive region where the conductive material is dispersed in the matrix resin, and the resin in the conductive region preferably forms a continuous phase with the matrix resin in other regions. A volume resistivity of the conductive region preferably is 1/1,000 or less of that of other regions of the matrix resin.
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公开(公告)号：US10927226B2
公开(公告)日：2021-02-23
申请号：US14431079
申请日：2013-09-25
Applicant: TOHO TENAX CO., LTD.
Inventor： Takaya Suzuki , Hajime Sakamoto , Toyoaki Ishiwata , Yoshitaka Umemoto
IPC: B32B5/26 , B32B7/06 , B32B27/08 , B32B37/10 , B32B27/38 , B29B11/16 , C08J5/24 , B29K63/00 , B29K105/08 , B29K307/04
Abstract: The invention provides a prepreg comprising: a primary prepreg composed of reinforcing fibers and a resin composition (I) impregnating the interior of a reinforcing fiber layer formed from these fibers; and a surface layer composed of a resin composition (II) formed on one or both sides of the primary prepreg; wherein the resin composition (I) is an epoxy resin composition [B] containing at least an epoxy resin and a thermoplastic resin, and the resin composition (II) is an epoxy resin composition [A] containing at least an epoxy resin and conductive particles.
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