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    • 27. 发明申请
    • INTERLAYER FOR LAMINATED GLASS, AND LAMINATED GLASS
    • 层压玻璃和层压玻璃的层间隔层
    • US20130194659A1
    • 2013-08-01
    • US13817611
    • 2011-08-19
    • Bungo HattaKazuhiko NakayamaMinoru InadaYuji MasakiJun Hikata
    • Bungo HattaKazuhiko NakayamaMinoru InadaYuji MasakiJun Hikata
    • G02B1/04
    • G02B1/04B32B17/10036B32B17/10678B32B17/10688B32B17/10761C08K5/3417C08K5/3475G02B5/223C08L29/14
    • The present invention aims to provide an interlayer film for laminated glass which can suppress the transmittance of ultraviolet rays with a wave length of 400 nm to 1% or less, and has high light resistance; and laminated glass including the interlayer film for laminated glass. The present invention provides an interlayer film for laminated glass including a thermoplastic resin, an ultraviolet absorber having a structure represented by the following formula (1), and an ultraviolet absorber having a structure represented by the following formula (2), wherein the amount of the ultraviolet absorber having a structure represented by the following formula (1) is 0.001 to 0.05% by weight, and the amount of the ultraviolet absorber having a structure represented by the following formula (2) is 0.4 to 1.5% by weight. In the formula (1), R1 represents a C1 to C3 alkyl group, and R2 represents hydrogen, a C1 to C10 alkyl group, or a C7 to C10 aralkyl group.In the formula (2), R3 represents hydrogen or a C1 to C8 alkyl group, and R4 represents hydrogen or a C1 to C8 alkyl group.
    • 本发明的目的在于提供一种能够抑制波长为400nm〜1%以下的紫外线的透射率并且耐光性高的夹层玻璃用中间膜。 以及包含夹层玻璃用中间膜的夹层玻璃。 本发明提供一种夹层玻璃用中间膜,其包含热塑性树脂,具有下述式(1)表示的结构的紫外线吸收剂和具有下述式(2)所示结构的紫外线吸收剂,其中, 具有下式(1)表示的结构的紫外线吸收剂为0.001〜0.05重量%,由下式(2)表示的结构的紫外线吸收剂的量为0.4〜1.5重量%。 式(1)中,R 1表示C1〜C3烷基,R2表示氢,C1〜C10烷基或C7〜C10芳烷基。 在式(2)中,R 3表示氢或C 1至C 8烷基,R 4表示氢或C 1至C 8烷基。