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    • 14. 发明公开
    • ORIENTED LAMINATED POLYESTER FILM TO BE PASTED ON AUTOMOBILE WINDOWPANES
    • 俄罗斯聚酯纤维素纤维制品ZUR BESCHICHTUNG VON KRAFTFAHRZEUGSCHEIBEN
    • EP0893248A1
    • 1999-01-27
    • EP97913492.1
    • 1997-12-02
    • Mitsubishi Polyester Film Corporation
    • ENDO, Kazuo Diafoil Hoechst Co. Ltd.,
    • B32B27/36B60J1/00B60J3/06
    • B32B27/08B32B17/10018B32B17/10339B32B17/10577B32B27/20B32B27/36B32B2367/00Y10T428/24942Y10T428/31786
    • The present invention relates to an oriented laminated polyester film for pasting on car windows, comprising at least three layers including intermediate layer(s) being incorporated with a dye, which laminated polyester film satisfies the following conditions simultaneously:

      the ratio of the dye concentration (%) in the outermost layers on both sides (CA) to the dye concentration (%) in the intermediate layer (CB) being not more than 0.5,
      the ratio of the sum of the thicknesses (µm) of the outermost layers (DA) to the overall thickness (µm) of the whole layers (DZ) being 0.02 to 0.8,
      the heat shrinkage (%) in the machine direction and transverse direction of the film when heat-treated at 180°C for 5 minutes (SMD and STD) being 1.0 to 5.0% and not more than 2.0%, respectively,
      the center line average roughness (µm) of the film surface (Ra) being 0.005 to 0.05 µm, and
      the film haze (H, %) being not more than 5%.

      This laminated film is free from the problem of contamination by the dye during manufacture thereof, shows excellent workability when applied curved glass of an automobile, and also has excellent transparency.
    • 本发明涉及一种用于粘贴在车窗上的定向叠层聚酯薄膜,包括至少三层,包括与染料结合的中间层,该叠层聚酯薄膜同时满足以下条件:染料浓度( (CA)中的最外层(CI)与中间层(CB)中的染料浓度(%)的比例不大于0.5,最外层(DA)的厚度(μm) )相对于整个层(DZ)的总厚度(μm)为0.02〜0.8,在180℃下热处理5分钟时的膜的纵向和横向的热收缩率(%)(SMD 和STD)分别为1.0〜5.0%且不高于2.0%,膜表面(Ra)的中心线平均粗糙度(μm)为0.005〜0.05μm,膜雾度(H,%)为 不超过5%。 该层压膜在制造时没有染料污染的问题,当应用于汽车的弯曲玻璃时显示出优异的可加工性,并且还具有优异的透明度。