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公开(公告)号:US20240269971A1
公开(公告)日:2024-08-15
申请号:US18567520
申请日:2022-07-15
发明人: Ho Jin MIN , Beom Taek HAN , Nam Heui LEE , Myeong Seok SEONG
CPC分类号: B32B27/08 , B32B27/20 , B32B27/36 , B32B2250/03 , B32B2250/244 , B32B2250/40 , B32B2255/10 , B32B2255/26 , B32B2264/1022 , B32B2270/00 , B32B2307/3065 , B32B2307/4026 , B32B2307/54 , B32B2307/7376 , B32B2451/00
摘要: A flame-retardant polyester decorative sheet according to one embodiment of the present invention comprises: a core layer comprising a polyester resin and a polyphosphonate; and a skin layer, which is positioned on at least one surface of the core layer and contains a polyester resin and a polyphosphonate, wherein the content of a color master batch in the skin layer is greater than that in the core layer, thereby solving a discoloration problem caused by a fire retardant agent while satisfying Flame Retardant Performance Standards of Notification No. 2019-2 of the National Fire Agency, and thus a flame-retardant polyester decorative sheet, which has a color tone deviation equal to that of a conventional decorative sheet product using no fire retardant agent, can be provided.
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公开(公告)号:US20230321949A1
公开(公告)日:2023-10-12
申请号:US18024181
申请日:2021-08-23
发明人: Beom Taek HAN , Ho Jin MIN , Nam Heui LEE
CPC分类号: B32B7/023 , C08L67/00 , B32B27/20 , B32B27/08 , B32B27/36 , C08L2205/02 , C08L2203/16 , B32B2255/26 , B32B2307/414 , B32B2307/4026 , C08L2310/00 , B32B2451/00 , B32B2307/7376 , B32B2255/10
摘要: A color-changing sheet according to an embodiment of the present invention may include a base layer having a brightness (L value) of less than 40 and a color layer positioned on at least one surface of the base layer, containing a color dye or a pigment, and having a transmittance of to 90%, wherein a thickness ratio of the base layer to the color layer is 0.1 to 10, and may realize color change without adding additional particles.
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