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    Thermoplastic film and method of producing the same
    1.
    发明申请
    Thermoplastic film and method of producing the same 审中-公开
    热塑性薄膜及其制造方法

    公开(公告)号：US20090176037A1

    公开(公告)日：2009-07-09

    申请号：US11659328

    申请日：2005-07-27

    申请人： Masaaki Otoshi ,  Kiyokazu Hashimoto

    发明人： Masaaki Otoshi ,  Kiyokazu Hashimoto

    IPC分类号： C09K19/38 ,  B29D11/00

    CPC分类号： B29C55/165 ,  B29C55/20 ,  B29K2995/0034 ,  C08J5/18 ,  C08J2301/10 ,  C08J2365/00 ,  G02B5/3083 ,  G02F1/13363 ,  Y10T428/10 ,  Y10T428/24802

    摘要： A method of producing a thermoplastic film, which can increase uniformity of Re and Rth of a thermoplastic film obtained by stretching, and which can provide a thermoplastic film having few display irregularities when the film is incorporated into a liquid crystal display device as a retardation film, and a thermoplastic film produced by the method are provided. In a tenter, both ends in the width direction of the film are held with clips and the film is simultaneously stretched in the traveling direction A and the width direction B. By this, a thermoplastic film in which the number of adhesion marks is 10 marks/m2 or less, the in-plane retardation Re is 0 nm to 500 nm and the retardation Rth in the thickness direction is 30 nm to 500 nm is produced.

    摘要翻译： 一种制造热塑性膜的方法，其可以提高通过拉伸获得的热塑性膜的Re和Rth的均匀性，并且当将膜结合到作为相位差膜的液晶显示装置中时，可以提供具有少量显示不规则性的热塑性膜 ，并且提供通过该方法制造的热塑性膜。 在拉幅机中，膜的宽度方向的两端用夹子保持，并且膜沿行进方向A和宽度方向B同时拉伸。由此，粘附标记数为10分的热塑性膜 / m 2以下时，面内相位差Re为0nm〜500nm，厚度方向的延迟Rth为30nm〜500nm。

    Thermoplastic Film And Method Of Manufacturing The Same
    2.
    发明申请
    Thermoplastic Film And Method Of Manufacturing The Same 审中-公开
    热塑性薄膜及其制造方法

    公开(公告)号：US20080075894A1

    公开(公告)日：2008-03-27

    申请号：US11632417

    申请日：2005-07-12

    申请人： Masaaki Otoshi ,  Kiyokazu Hashimoto

    发明人： Masaaki Otoshi ,  Kiyokazu Hashimoto

    IPC分类号： B29C55/02

    CPC分类号： G02B5/3083 ,  B29C55/08 ,  B29K2001/00 ,  B29K2001/12 ,  B29K2995/0034 ,  C08J5/18 ,  C08J2301/10 ,  C08J2365/00 ,  C08L1/10 ,  C08L1/14 ,  Y10T428/1086

    摘要： It is an object to provide a method of manufacturing a thermoplastic film capable of improving optical properties of the thermoplastic film obtained by drawing it and to provide the thermoplastic film. In a transverse drawing process part 30 for drawing a thermoplastic film 16 in a transverse direction is constituted by a preheating zone T1 and transverse drawing zones T2, T3 and cooling zones T4, T5, and the steps of the transverse drawing zone T3 and performed thereafter (cooling zone T4 and T5) are maintained at a glass transition temperature Tg or less. The temperature of the preheating zone T1 is set to be higher than that of the cooling zone T4 and falls within the range of −10 C to +30 C relative to those of the transverse drawing zones T2 and T3.

    摘要翻译： 本发明的目的是提供一种能够提高通过拉伸所获得的热塑性薄膜的光学性能并提供热塑性薄膜的热塑性薄膜的制造方法。 在横向拉伸加工中，用于在横向拉伸热塑性薄膜16的部分30由预热区T 1和横向拉伸区T 2，T 3和冷却区T 4，T 5构成，横向拉伸 区域T 3，然后（冷却区域T 4和T 5）保持在玻璃化转变温度Tg以下。 预热区域T 1的温度被设定为高于冷却区域T 4的温度，并且相对于横向拉伸区域T 2和T 3的温度落在-10℃至+ 30℃的范围内。