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    • 1. 发明申请
    • MULTILAYER FILM FOR BLOCKING INFRARED RADIATION
    • 用于阻塞红外辐射的多层膜
    • WO2012091387A3
    • 2012-10-11
    • PCT/KR2011010109
    • 2011-12-26
    • SKC CO LTDPAK HYUNG SUKSON BYOUNG KUKSHIN DAE YONGJOO CHEON YONG
    • PAK HYUNG SUKSON BYOUNG KUKSHIN DAE YONGJOO CHEON YONG
    • G02B5/20
    • G02B5/208
    • The invention relates to a multilayer film for blocking infrared radiation, comprising at least two film stacks, each of which consists of protective layers on either side of a reflective layer, in which first resin layers and second resin layers are alternately stacked, wherein the first resin layer includes polyethylene terephthalate, and the second resin layer includes poly methyl methacrylate, a polyethylene terephthalate copolymer, polyethylene naphthalate, or a polymer comprising a mixture thereof. The multilayer film for blocking infrared radiation has a mean reflectance of 50% or more in a wavelength band of 900 to 1,300 nm, and the multilayer film for blocking infrared radiation has a high infrared-radiation-blocking rate in an infrared region wider than that of conventional films, as well as high transmittance in the visible light range. Thus, the multilayer film for blocking infrared radiation can be used for outdoor glass for buildings or cars, thereby enable reduction in energy use.
    • 本发明涉及一种用于阻挡红外辐射的多层膜,包括至少两层膜堆叠,每层由反射层两侧的保护层组成,其中第一树脂层和第二树脂层交替堆叠,其中第一层 树脂层包括聚对苯二甲酸乙二醇酯,第二树脂层包括聚甲基丙烯酸甲酯,聚对苯二甲酸乙二醇酯共聚物,聚萘二甲酸乙二醇酯或包含其混合物的聚合物。 用于阻挡红外线辐射的多层膜在900〜1300nm的波长带中具有50%以上的平均反射率,并且用于阻挡红外线辐射的多层膜在比该区域宽的红外线区域具有高的红外线辐射阻挡率 的常规膜,以及在可见光范围内的高透射率。 因此,用于阻挡红外辐射的多层膜可以用于建筑物或汽车的室外玻璃,从而能够减少能量消耗。
    • 6. 发明公开
    • Biaxial oriented polyethylene naphthalate film having improved transparency
    • 具有改进透明度的双相方向聚乙烯亚麻酸酯薄膜
    • KR20120066536A
    • 2012-06-22
    • KR20100127915
    • 2010-12-14
    • SKC CO LTD
    • EUN JONG HYUKPARK HYUNG SUKSHIN DAE YONGJOO CHEON YONGSON BYOUNG KUK
    • C08J5/18B29C55/10B29D7/01C08L67/03
    • C08J5/18B29D7/01C08J2367/00C08L67/03Y10S428/91
    • PURPOSE: A polyethylene naphthalate biaxially oriented film is provided to have excellent dimensional stability in high temperatures, and to improve light transmittance, thereby capable of being used as a touch panel, a substrate material for a flexible display, etc. CONSTITUTION: A polyethylene naphthalate biaxially oriented film is manufactured from polyethylene naphthalate containing 50-2500 ppm of a polyfunctional compound having trivalent or polyvalent reactive group. The polyfunctional compound having trivalent or polyvalent reactive group is a compound having a trivalent or polyvalent acid component or trivalent or a polyvalent alcohol component. The polyethylene naphthalate has color index L value of 45-65, and b value of 0-10. The film is elongated toward longitudinal direction by 2.5-3.5 times, and toward transversal direction by 3.3-4.5 times.
    • 目的:提供聚萘二甲酸乙二醇酯双轴取向膜,以在高温下具有优异的尺寸稳定性,并提高透光率,从而能够用作触摸面板,柔性显示器等的基材。构成:聚萘二甲酸乙二醇酯 双轴取向膜由含有50-2500ppm具有三价或多价反应性基团的多官能化合物的聚萘二甲酸乙二醇酯制成。 具有三价或多价反应性基团的多官能化合物是具有三价或多价酸组分或三价或多价醇组分的化合物。 聚萘二甲酸乙二醇酯的颜色指数L值为45-65,b值为0-10。 该胶片沿纵向延伸2.5-3.5倍,横向拉伸3.3-4.5倍。