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    • 23. 发明专利
    • Solution manufacturing equipment and solution manufacturing method
    • 解决方案制造设备和解决方案制造方法
    • JP2007203478A
    • 2007-08-16
    • JP2006021808
    • 2006-01-31
    • Fujifilm Corp富士フイルム株式会社
    • YAMADA AKIRAKATAI KOSUKENISHIMURA TAKUROTSUJIMOTO TADAHIRO
    • B29B13/00B01F1/00B01F3/08B01F5/12B01F7/08B01F15/06B29B7/38C08J3/11
    • B29C47/92B29C47/10
    • PROBLEM TO BE SOLVED: To continuously manufacture a solution of constant quality by making the operation condition of a screw extruder constant. SOLUTION: A polymer 11 is dissolved in a solvent 12 in a dissolving device 20 equipped with a twin screw extruder 24 to prepare the solution 16. A filter device 22 for filtering the solution 16 to prepare a dope 21 is provided on the downstream side of the dissolving device 20 and a solution feeding pipe 25 provided between the dissolving device 20 and the filter device 22 is equipped with a second solution feeding part 27 for sending the solution 16 to the second mixer 18 provided on the upstream side of the dissolving device 20. The solution 16 is sent to the second mixer 18 in a predetermined amount on the basis of the measured value of a first pressure meter 45. By this constitution, since it is unnecessary to change the operation condition of the twin screw extruder 24 even if the liquid feeding condition to the filter device 22 is changed, the passing condition of a second swelling liquid 17 through the screw extruder 24 always becomes constant. As a result, the dope 21 of constant quality can be always obtained. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:通过使螺杆挤出机的操作条件恒定来连续制造恒定质量的溶液。 解决方案:将聚合物11溶解在配备有双螺杆挤出机24的溶解装置20中以制备溶液16.用于过滤溶液16以制备涂料21的过滤装置22设置在 溶解装置20的下游侧和设置在溶解装置20和过滤装置22之间的溶液供给管25配备有第二溶液供给部27,用于将溶液16发送到设置在第二混合器18的上游侧的第二混合器18 溶解装置20.溶液16基于第一压力计45的测量值以预定量被输送到第二混合器18.通过这种结构,由于不需要改变双螺杆挤出机的操作条件 即使过滤装置22的送液状态发生变化,第二膨胀液17通过螺杆挤出机24的通过状态总是恒定。 结果,可以始终获得质量恒定的涂料21。 版权所有(C)2007,JPO&INPIT