MELT EXTRUDER AND PROCESS FOR PRODUCING THERMOPLASTIC RESIN FILM
    4.
    发明申请
    MELT EXTRUDER AND PROCESS FOR PRODUCING THERMOPLASTIC RESIN FILM 审中-公开
    熔融挤出机和生产热塑性树脂膜的方法

    公开(公告)号:US20100219558A1

    公开(公告)日:2010-09-02

    申请号:US12680505

    申请日:2008-09-16

    申请人: Akihide Fujita

    发明人: Akihide Fujita

    IPC分类号: B29C47/88 B01F15/06

    摘要: When amorphous thermoplastic resin is supplied from a hopper, the resin is rotated by a screw in a barrel and generates frictional heat. In this point of view, in a melt extruder according to an aspect of the present invention, a temperature control zone that generates particularly high frictional heat is constantly cooled by a cooling device, and heated by a heating device to obtain a target temperature, thereby significantly reducing variations in barrel temperature. This can stabilize screw tip pressure, and reduce variations in thickness of a resin film discharged from the barrel.

    摘要翻译: 当从料斗供应无定形热塑性树脂时,树脂通过桶中的螺杆旋转并产生摩擦热。 从这个观点出发,在本发明的熔融挤出机中,通过冷却装置不断冷却产生特别高的摩擦热的温度控制区,并通过加热装置进行加热,得到目标温度 显着降低机筒温度的变化。 这可以稳定螺杆尖端压力,并且减小从筒排出的树脂膜的厚度变化。

    METHOD FOR MANUFACTURING THERMOPLASTIC RESIN FILM
    6.
    发明申请
    METHOD FOR MANUFACTURING THERMOPLASTIC RESIN FILM 审中-公开
    制造热塑性树脂膜的方法

    公开(公告)号:US20090283930A1

    公开(公告)日:2009-11-19

    申请号:US12094567

    申请日:2006-11-20

    申请人: Akihide Fujita

    发明人: Akihide Fujita

    IPC分类号: B29C67/00 B29C47/08

    摘要: An aspect of the present invention is a method for manufacturing a thermoplastic resin film, comprising the steps of: extruding a molten thermoplastic resin from a die in the form of sheet; and sandwiching the sheet-form thermoplastic resin between one support and the other support, wherein at least one of the supports has such a surface property that the arithmetic average surface depth (Ra) is 100 nm or less, and the support is a hollow drum and the thickness Z (mm) of an outercylinder of the drum satisfies the following expression; 0.2 mm

    摘要翻译: 本发明的一个方面是一种热塑性树脂薄膜的制造方法,其特征在于,包括以下步骤:从片状的模具中挤出熔融的热塑性树脂; 并且将所述片状热塑性树脂夹在一个支撑体和另一个支撑体之间,其中至少一个所述支撑体具有所述算术平均表面深度(Ra)为100nm以下的表面特性,并且所述支撑体为中空鼓 并且滚筒的外圆筒的厚度Z(mm)满足以下表达式: 0.2mm

    METHOD FOR PRODUCING THERMOPLASTIC FILM
    8.
    发明申请
    METHOD FOR PRODUCING THERMOPLASTIC FILM 审中-公开
    生产热塑膜的方法

    公开(公告)号:US20090115100A1

    公开(公告)日:2009-05-07

    申请号:US12092740

    申请日:2006-10-31

    IPC分类号: B29C55/00

    摘要: The present invention provides a method for producing a thermoplastic film which makes it possible to improve the optical properties of the thermoplastic film obtained by stretching and a thermoplastic film manufactured thereby. The transverse stretching section in which a cellulose acylate film is transversely stretched includes: a preheating zone, a transverse stretching zone, a cooling zone and a thermal relaxation zone, and the cellulose acylate film having been cooled in the cooling zone is immediately subjected to thermal relaxation treatment in the thermal relaxation zone.

    摘要翻译: 本发明提供一种热塑性薄膜的制造方法,其能够提高通过拉伸得到的热塑性薄膜的光学性能和由此制造的热塑性薄膜。 纤维素酰化物膜横向拉伸的横向拉伸部分包括:预热区,横向拉伸区,冷却区和热松弛区,并且在冷却区中冷却的纤维素酰化物膜立即经受热 放松处理在热松弛带。