Invention Grant
- Patent Title: High-hardness molding resin sheet and molded article using same
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Application No.: US16641879Application Date: 2018-08-27
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Publication No.: US11370206B2Publication Date: 2022-06-28
- Inventor: Atsuhiro Tokita , Masaki Hirabayashi , Masato Takasaki
- Applicant: MITSUBISHI GAS CHEMICAL COMPANY, INC. , MGC FILSHEET CO., LTD.
- Applicant Address: JP Tokyo; JP Saitama
- Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.,MGC FILSHEET CO., LTD.
- Current Assignee: MITSUBISHI GAS CHEMICAL COMPANY, INC.,MGC FILSHEET CO., LTD.
- Current Assignee Address: JP Tokyo; JP Saitama
- Agency: Greenblum & Bernstein, P.L.C.
- Priority: JPJP2017-171407 20170906
- International Application: PCT/JP2018/031549 WO 20180827
- International Announcement: WO2019/049704 WO 20190314
- Main IPC: B32B27/30
- IPC: B32B27/30 ; B32B27/36

Abstract:
According to an embodiment, provided is a molding resin sheet including: a base material layer containing a polycarbonate resin (a1); a high-hardness resin layer containing a high-hardness resin; and a hard coat layer, wherein the high-hardness resin layer is located between the base material layer and the hard coat layer, the high-hardness resin has a pencil hardness of HB or more, and the glass transition points of the polycarbonate resin (a1) and the high-hardness resin satisfy the following relationship: −10° C.≤(the glass transition point of the high-hardness resin)−(the glass transition point of the polycarbonate resin (a1))≤40° C.
Public/Granted literature
- US20200247098A1 HIGH-HARDNESS MOLDING RESIN SHEET AND MOLDED ARTICLE USING SAME Public/Granted day:2020-08-06
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