- 专利标题: Fiber-reinforced plastic molding material, method for producing same, and molded article
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申请号: US15558947申请日: 2016-03-22
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公开(公告)号: US10590250B2公开(公告)日: 2020-03-17
- 发明人: Akihisa Otsuki , Hiroyuki Takahashi , Hideki Andoh
- 申请人: NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
- 申请人地址: JP Tokyo
- 专利权人: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
- 当前专利权人: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
- 当前专利权人地址: JP Tokyo
- 代理机构: Cheng Law Group, PLLC
- 优先权: JP2015-064914 20150326; JP2015-071699 20150331
- 国际申请: PCT/JP2016/058990 WO 20160322
- 国际公布: WO2016/152856 WO 20160929
- 主分类号: B32B27/12
- IPC分类号: B32B27/12 ; C08J5/24 ; C08J3/12 ; B05D1/00 ; B29C43/02 ; B29C43/52 ; C09D5/03 ; C09J9/00
摘要:
Provided are an fiber-reinforced plastic molding material having a satisfactory handling property, long storage stability, and high moldability enabling shaping into even a complicated shape, and a molded article thereof having excellent heat resistance, mechanical strength, and a method of producing the same. The fiber-reinforced plastic molding material includes a matrix resin containing, as an essential component, a phenoxy resin being solid at ordinary temperature and having a melt viscosity of 3,000 Pa·s or less at anywhere in the temperature region of from 160° C. to 220° C., with an epoxy resin and across-linking agent being blended as desired, in which the matrix resin is turned into fine powder having an average particle diameter (d50) of from 10 μm to 150 μm, and the matrix resin is caused to adhere to a reinforcing fiber base material by powder coating so as to achieve a resin content of from 20% to 50%.
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