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    • 22. 发明授权
    • Process for producing polyamide
    • 生产聚酰胺的方法
    • US08297832B2
    • 2012-10-30
    • US12471714
    • 2009-05-26
    • Hideyuki KuroseKatsumi ShinoharaMinoru KikuchiTomomichi Kanda
    • Hideyuki KuroseKatsumi ShinoharaMinoru KikuchiTomomichi Kanda
    • B01F7/00
    • B01F7/00116B01F7/00166B01F7/00291B01F7/00408B01F7/005B01J19/0066B01J19/18B01J2219/00029B01J2219/00189C08G69/28
    • A process for producing polyamide which comprises directly melt polymerizing a diamine component, which comprises 70% by mole or more of xylylenediamine comprising 20% by mole or more of para-xylylenediamine, and a dicarboxylic acid component in the substantial absence of solvents in a reaction apparatus of the batch type, wherein a stirring apparatus disposed in the reaction apparatus and used for stirring the melted polymer in the apparatus comprises: (1) a rotating shaft connected to a driving member for stirring, (2) two or more stirring rods disposed in the substantially vertical direction which are cylinder-shaped members or plate-shaped members moving along the circumference of a circle having the center at the rotating shaft, and (3) a connecting member which connects the rotating shaft and the stirring rods; distances between the center line of the rotating shaft and center lines of the two or more stirring rods are each 15% or greater of the inner diameter of the reaction apparatus; the connecting member and the rotating shaft are disposed above the liquid surface of the melted polymer; and stirring is conducted in a manner such that the circumferential speed of the stirring rods is 30 m/minute or greater.
    • 一种生产聚酰胺的方法,其包括在反应中基本上不存在溶剂的情况下,将包含70摩尔%以上的含有20摩尔%以上对苯二甲胺的二甲苯二胺和二羧酸成分的二胺成分直接熔融聚合 该设备包括:(1)连接到用于搅拌的驱动部件的旋转轴,(2)设置有两个或更多个搅拌棒的搅拌棒, 在作为旋转轴的中心的圆周的圆周状的板状部件或板状部件的大致垂直方向上,(3)连结旋转轴和搅拌棒的连接部件, 旋转轴的中心线与两个以上的搅拌棒的中心线之间的距离分别为反应装置的内径的15%以上。 连接构件和旋转轴设置在熔融聚合物的液面之上; 以搅拌棒的圆周速度为30m /分钟以上的方式进行搅拌。
    • 24. 发明授权
    • Process and apparatus for producing thermoplastic resin pellets
    • 用于生产热塑性树脂颗粒的方法和设备
    • US08246875B2
    • 2012-08-21
    • US12474365
    • 2009-05-29
    • Katsumi ShinoharaTomomichi KandaHideyuki KuroseMinoru Kikuchi
    • Katsumi ShinoharaTomomichi KandaHideyuki KuroseMinoru Kikuchi
    • B29B9/06
    • B29B9/06B29K2077/00
    • An object of the present invention is to provide a process for producing thermoplastic resin pellets, which realizes production of pellets of uniform shape. Another object of the present invention is to provide an apparatus for producing the thermoplastic resin pellets. The invention provides a process for producing thermoplastic resin pellets, including pressurizing the interior of a vessel holding a molten thermoplastic resin, thereby discharging the resin; forming pellets through solidification and cutting of the resin; and transferring the pellets to a storage container via a pipe by a pneumatic transportation or a suction transportation, wherein the amount of the resin discharged is regulated by controlling the pressure in the vessel so that variation in the difference pressure between the inlet and the outlet of the pipe for transferring the pellets is 10% or less.
    • 本发明的目的是提供一种制造热塑性树脂颗粒的方法,其实现了均匀形状的颗粒的生产。 本发明的另一个目的是提供一种用于制造热塑性树脂颗粒的装置。 本发明提供一种生产热塑性树脂颗粒的方法,包括加压保持熔融热塑性树脂的容器的内部,从而排出树脂; 通过树脂的固化和切割形成颗粒; 并且通过气动输送或抽吸输送通过管将颗粒转移到储存容器中,其中通过控制容器中的压力来调节排出的树脂的量,使得入口和出口之间的差压变化 用于转移颗粒的管道为10%以下。
    • 29. 发明申请
    • PROCESS FOR PRODUCING POLYAMIDE
    • 生产聚酰胺的方法
    • US20090299027A1
    • 2009-12-03
    • US12471714
    • 2009-05-26
    • Hideyuki KUROSEKatsumi ShinoharaMinoru KikuchiTomomichi Kanda
    • Hideyuki KUROSEKatsumi ShinoharaMinoru KikuchiTomomichi Kanda
    • C08G69/28
    • B01F7/00116B01F7/00166B01F7/00291B01F7/00408B01F7/005B01J19/0066B01J19/18B01J2219/00029B01J2219/00189C08G69/28
    • A process for producing polyamide which comprises directly melt polymerizing a diamine component, which comprises 70% by mole or more of xylylenediamine comprising 20% by mole or more of para-xylylenediamine, and a dicarboxylic acid component in the substantial absence of solvents in a reaction apparatus of the batch type, wherein a stirring apparatus disposed in the reaction apparatus and used for stirring the melted polymer in the apparatus comprises: (1) a rotating shaft connected to a driving member for stirring, (2) two or more stirring rods disposed in the substantially vertical direction which are cylinder-shaped members or plate-shaped members moving along the circumference of a circle having the center at the rotating shaft, and (3) a connecting member which connects the rotating shaft and the stirring rods; distances between the center line of the rotating shaft and center lines of the two or more stirring rods are each 15% or greater of the inner diameter of the reaction apparatus; the connecting member and the rotating shaft are disposed above the liquid surface of the melted polymer; and stirring is conducted in a manner such that the circumferential speed of the stirring rods is 30 m/minute or greater.
    • 一种制备聚酰胺的方法,其包括在反应中基本上不存在溶剂的情况下,将包含70摩尔%以上的含有20摩尔%以上对苯二甲胺的二甲苯二胺和二羧酸成分的二胺成分直接熔融聚合 该设备包括:(1)连接到用于搅拌的驱动部件的旋转轴,(2)设置有两个或更多个搅拌棒的搅拌棒, 在作为旋转轴的中心的圆周的圆周状的板状部件或板状部件的大致垂直方向上,(3)连结旋转轴和搅拌棒的连接部件, 旋转轴的中心线与两个以上的搅拌棒的中心线之间的距离分别为反应装置的内径的15%以上。 连接构件和旋转轴设置在熔融聚合物的液面之上; 以搅拌棒的圆周速度为30m /分钟以上的方式进行搅拌。