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    • 1. 发明授权
    • Permanent antistatic primer layer
    • 永久抗静电底漆层
    • US06225040B1
    • 2001-05-01
    • US08356573
    • 1994-12-15
    • Bavo MuysDirk QuintensJozef BoeykensEtienne Van ThilloGeert Defieuw
    • Bavo MuysDirk QuintensJozef BoeykensEtienne Van ThilloGeert Defieuw
    • G03C176
    • C09K3/16G03C1/89G03C1/93H01B1/127H01G11/48H01G11/56Y02E60/13Y10S430/136Y10T428/254Y10T428/31797
    • There is provided a method for preparing a biaxially oriented polyester sheet or web, with improved antistatic properties, comprising the steps of (i) stretching said polyester sheet or web first in one direction and second in a direction perpendicular thereto (ii) coating said hydrophobic polyester sheet or web, either before stretching or between said first and second stretching operation, on one or both sides, with a transparent antistatic primer layer, wherein the coating composition of said transparent antistatic primer layer comprises (1) a dispersion of a polythiophene with conjugated polymer backbone and a polymeric polyanion compound and (2) a latex polymer having hydrophilic functionality. The primer layer is coated from an aqueous composition and does not show a substantial change in resistivity depending on relative humidity or wet processing.
    • 提供了一种制备具有改进的抗静电性能的双轴取向聚酯片材或网状物的方法,包括以下步骤:(i)首先在一个方向上拉伸所述聚酯片材或纤维网,并在垂直于其的方向上拉伸所述聚酯片材或织物(ii) 在拉伸前或在所述第一和第二拉伸操作之间,在一侧或两侧上具有透明抗静电底漆层,其中所述透明抗静电底漆层的涂料组合物包含(1)聚噻吩与 共轭聚合物主链和聚合物聚阴离子化合物和(2)具有亲水官能度的胶乳聚合物。 底漆层由水性组合物涂覆,并且根据相对湿度或湿法处理不显示电阻率的实质变化。