- Patent Title: Polyimide resin composition and varnish produced from terminal-modified imide oligomer prepared using 2-phenyl-4,4′-diaminodiphenyl ether and thermoplastic aromatic polyimide prepared using oxydiphthalic acid, polyimide resin composition molded article and prepreg having excellent heat resistance and mechanical characteristic, and fiber-reinforced composite material thereof
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Application No.: US14890065Application Date: 2014-04-21
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Publication No.: US10017666B2Publication Date: 2018-07-10
- Inventor: Masahiko Miyauchi , Yuichi Ishida , Toshio Ogasawara , Rikio Yokota
- Applicant: Kaneka Corporation , Japan Aerospace Exploration Agency
- Applicant Address: JP JP
- Assignee: Kaneka Corporation,Japan Aerospace Exploration Agency
- Current Assignee: Kaneka Corporation,Japan Aerospace Exploration Agency
- Current Assignee Address: JP JP
- Agency: Lerner, David, Littenberg, Krumholz & Mentlik, LLP
- Priority: JP2013-100525 20130510
- International Application: PCT/JP2014/061170 WO 20140421
- International Announcement: WO2014/181670 WO 20141113
- Main IPC: C08L79/08
- IPC: C08L79/08 ; C09D179/08 ; C08J5/18 ; C08J5/24 ; C08G73/10 ; B32B5/26 ; B29C39/02 ; B29C39/38 ; B32B37/12 ; B32B38/00 ; B29K79/00 ; B29L7/00

Abstract:
An imide resin composition including a terminal-modified imide oligomer of General Formula (1) and a thermoplastic aromatic polyimide of General Formula (2). (In Formula (1), either R1 or R2 shows a phenyl group and the other shows a hydrogen atom; R3 and R4 show a divalent residue of aromatic diamine; R5 and R6 show a tetravalent residue of aromatic tetracarboxylic acid; m and n satisfy relationships of m≥1, n≥0, 1≤m+n≤20, and 0.05≤m/(m+n)≤1; and an arrangement of repeating units may be either a block or random.) (In Formula (2), R1 and R2 show a divalent residue of aromatic diamine; R3 shows a tetravalent residue of aromatic tetracarboxylic acid; m and n satisfy relationships of m≥1 and n≥0, and an arrangement of repeating units may be either a block or random).
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