TRANSPARENT RESIN MULTILAYER BODY, AND TRANSPARENT SUBSTRATE MATERIAL AND TRANSPARENT PROTECTIVE MATERIAL EACH USING SAME

    公开(公告)号:US20220274384A1

    公开(公告)日:2022-09-01

    申请号:US17620568

    申请日:2020-07-01

    摘要: A resin layered body includes a polycarbonate-based resin (A); a thermoplastic resin (B) on at least one surface of the polycarbonate-based resin (A); and a hard coating layer on a surface of the thermoplastic resin (B) on at least one side, wherein the polycarbonate-based resin (A) has a glass-transition temperature from 115° C.-140° C., the thermoplastic resin (B) includes a methacrylic resin (C) and a styrene copolymer (D), a content of the methacrylic resin (C) is from 5-70 parts by mass and a content of the styrene copolymer (D) is from 95-30 parts by mass based on 100 parts by mass of a total content of the methacrylic resin (C) and the styrene copolymer (D), and the styrene copolymer (D) includes a vinyl aromatic monomer unit (d1) in an amount of from 68-84 mass % and a cyclic acid anhydride monomer unit (d2) in an amount of from 16-32 mass %.

    High-hardness molding resin sheet and molded article using same

    公开(公告)号:US11370206B2

    公开(公告)日:2022-06-28

    申请号:US16641879

    申请日:2018-08-27

    IPC分类号: B32B27/30 B32B27/36

    摘要: 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.

    Scratch-resistant polycarbonate resin laminate

    公开(公告)号:US10239297B2

    公开(公告)日:2019-03-26

    申请号:US15027769

    申请日:2014-10-08

    IPC分类号: B32B27/08 B32B27/36 B32B27/30

    摘要: The present invention aims to provide a multi-layer sheet and a multi-layer film, each ensuring not only high transparency but also scratch resistance and being easy to print and thermoform.The above aim was achieved by a multi-layer sheet and a multi-layer film, each being a laminate which comprises a polycarbonate-based resin layer as a substrate and has a thermoplastic acrylic resin layer containing silicon dioxide particles as an outermost layer on one or both surfaces of the substrate, wherein the silicon dioxide particles have an average particle size of 0.1 to 2 μm, and wherein the content of the silicon dioxide particles is 0.1% to 1% by weight, relative to the total weight of the thermoplastic acrylic resin layer.