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    • 6. 发明专利
    • Long-wavelength ultraviolet ray absorbing laminated body
    • 长波长紫外线吸收层压体
    • JP2010097062A
    • 2010-04-30
    • JP2008268696
    • 2008-10-17
    • Fujifilm Corp富士フイルム株式会社
    • SHIRASAKI YUICHIYAMADA HITOSHI
    • G02B5/22B32B27/18C09K3/00
    • G02B5/208C09K15/12C09K15/28
    • PROBLEM TO BE SOLVED: To provide a long-wavelength ultraviolet ray absorbing laminated body which has drastically improved light-fastness and is suitable for various applications such as an ultraviolet ray preventing film for especially, glass as building material or a windowpane for a vehicle.
      SOLUTION: The long-wavelength ultraviolet ray absorbing laminated body includes: a support; a long-wavelength ultraviolet ray absorbing layer formed of a resin composition containing at least one of ultraviolet ray absorbing agent A, characterized in that the maximum absorption wavelength is 350-400 nm, the half-value width is ≤55 nm, and the molar absorbance coefficient is ≥20,000 at the maximum absorption wavelength, and a resin; and a short-wavelength ultraviolet ray absorbing layer formed of a resin composition containing at least one of ultraviolet ray absorbing agent B, characterized in that the maximum absorption wavelength is ≤350 nm and the absorbance at 320 nm is ≥30% of the absorbance at the maximum absorption wavelength, and a resin, on the incident light side of the long-wavelength ultraviolet ray absorbing layer.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供一种具有显着提高耐光性的长波长紫外线吸收层叠体​​,适用于各种用途,特别是防紫外线膜,作为建筑材料的玻璃或窗玻璃 一辆车。 长波长紫外线吸收层叠体​​包括:支撑体; 由含有紫外线吸收剂A中的至少一种的树脂组合物形成的长波长紫外线吸收层,其特征在于,最大吸收波长为350〜400nm,半值宽度为≤55nm, 吸光度系数在最大吸收波长处≥20,000,树脂; 以及由含有紫外线吸收剂B中的至少一种的树脂组合物形成的短波长紫外线吸收层,其特征在于,最大吸收波长≤350nm,320nm处的吸光度为≥30% 最大吸收波长和树脂,在长波长紫外线吸收层的入射光侧。 版权所有(C)2010,JPO&INPIT