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    • 22. 发明授权
    • Production process of poly(arylene sulfide) and production apparatus thereof
    • 聚(亚芳基硫醚)的生产工艺及其生产设备
    • US08981041B2
    • 2015-03-17
    • US13809505
    • 2011-07-06
    • Takayuki KimuraTomoyoshi KoizumiMitsuhiro Matsuzaki
    • Takayuki KimuraTomoyoshi KoizumiMitsuhiro Matsuzaki
    • C08G75/14C08G75/02
    • C08G75/14C08G75/0213C08G75/0254C08G75/0259C08G75/0281
    • A production process of a poly(arylene sulfide) (PAS), including a polymerization step of forming a PAS from a sulfur source that is an alkali metal (hydro)sulfides and a dihalo-aromatic compound in an organic amide solvent; a separation step of PAS particles; a countercurrent washing step that is a step of washing the PAS particles with water and/or an organic solvent, wherein a downward current of a PAS particle-containing aqueous slurry is continuously brought into countercurrent contact with an upward current of a washing liquid; a PAS particle re-separation step of capturing a washing waste liquid by a PAS particle re-separating unit, in which a micro-slit filter has been installed, and then re-separating the PAS particles from the micro-slit filter, preferably using a backwashing unit, to discharge them; and a collecting step of the PAS particles discharged, and a production apparatus of a poly(arylene sulfide).
    • 一种聚(亚芳基硫醚)(PAS)的生产方法,包括在有机酰胺溶剂中由作为碱金属(氢)硫化物的硫源和二卤代芳族化合物形成PAS的聚合步骤; PAS颗粒的分离步骤; 逆流洗涤步骤,其是用水和/或有机溶剂洗涤PAS颗粒的步骤,其中含有PAS颗粒的含水浆料的向下电流连续地与洗涤液的向上流动接触; PAS粒子重新分离步骤,其中已经安装了微缝隙过滤器的PAS粒子重新分离单元捕获洗涤废液,然后从微缝隙过滤器重新分离PAS颗粒,优选使用 反冲洗单元,以排放它们; 以及排出的PAS颗粒的收集步骤和聚(亚芳基硫醚)的生产装置。
    • 23. 发明授权
    • Process for producing polyarylene sulfide
    • 生产聚芳硫醚的方法
    • US08211997B2
    • 2012-07-03
    • US11661753
    • 2005-08-31
    • Mitsuhiro MatsuzakiKatsumi HorikoshiMasanori Kobayashi
    • Mitsuhiro MatsuzakiKatsumi HorikoshiMasanori Kobayashi
    • C08G75/00
    • C08G75/0254C08G75/02
    • In a process for producing polyarylene sulfide, comprising: reacting an alkali sulfide source and an aromatic dihalide compound in a polar organic solvent to obtain a polymerizate slurry containing polyarylene sulfide particles, by-produced alkali metal salt fine particles and the polar organic solvent, and recovering the polyarylene sulfide particles washed from the polymerizate slurry; the polymerizate slurry is separated by sieving into the polyarylene sulfide particles and a slurry containing the alkali metal salt fine particles, and the separated polyarylene sulfide particles are subjected to a washing step wherein the polyarylene sulfides are introduced into a countercurrent washing apparatus enclosing a movable part and subjected therein to continuous countercurrent contact with a washing liquid. As a result, polyarylene sulfide particles of good quality are produced at a good yield, while pursuing process rationalization.
    • 在制备聚芳硫醚的方法中,包括:将碱金属硫化物源和芳族二卤化物在极性有机溶剂中反应,得到含有聚芳硫醚颗粒,副产的碱金属盐微粒和极性有机溶剂的聚合物淤浆,以及 回收从聚合物浆料洗涤的聚芳硫醚颗粒; 将聚合物浆料通过筛分分离成聚芳硫醚颗粒和含有碱金属盐微粒的浆料,并将分离的聚芳硫醚颗粒进行洗涤步骤,其中将聚亚芳基硫化物引入到包围可动部分的逆流洗涤装置中 并与其进行与洗涤液的连续逆流接触。 结果,在追求工艺合理化的同时,以良好的产率生产质量好的聚芳硫醚颗粒。
    • 26. 发明申请
    • Process for Producing Polyarylene Sulfide
    • 生产聚亚芳基硫化物的方法
    • US20080097075A1
    • 2008-04-24
    • US11661753
    • 2005-08-31
    • Mitsuhiro MatsuzakiKatsumi HorikoshiMasanori Kobayashi
    • Mitsuhiro MatsuzakiKatsumi HorikoshiMasanori Kobayashi
    • C08G75/14
    • C08G75/0254C08G75/02
    • In a process for producing polyarylene sulfide, comprising: reacting an alkali sulfide source and an aromatic dihalide compound in a polar organic solvent to obtain a polymerizate slurry containing polyarylene sulfide particles, by-produced alkali metal salt fine particles and the polar organic solvent, and recovering the polyarylene sulfide particles washed from the polymerizate slurry; the polymerizate slurry is separated by sieving into the polyarylene sulfide particles and a slurry containing the alkali metal salt fine particles, and the separated polyarylene sulfide particles are subjected to a washing step wherein the polyarylene sulfides are introduced into a countercurrent washing apparatus enclosing a movable part and subjected therein to continuous countercurrent contact with a washing liquid. As a result, polyarylene sulfide particles of good quality are produced at a good yield, while pursuing process rationalization.
    • 在制备聚芳硫醚的方法中,包括:将碱金属硫化物源和芳族二卤化物在极性有机溶剂中反应,得到含有聚芳硫醚颗粒,副产的碱金属盐微粒和极性有机溶剂的聚合物淤浆,以及 回收从聚合物浆料洗涤的聚芳硫醚颗粒; 将聚合物浆料通过筛分分离成聚芳硫醚颗粒和含有碱金属盐微粒的浆料,并将分离的聚芳硫醚颗粒进行洗涤步骤,其中将聚亚芳基硫化物引入到包围可动部分的逆流洗涤装置中 并与其进行与洗涤液的连续逆流接触。 结果,在追求工艺合理化的同时,以良好的产率生产质量好的聚芳硫醚颗粒。
    • 27. 发明授权
    • Process for producing polyarylene sulfide
    • 生产聚芳硫醚的方法
    • US07220817B2
    • 2007-05-22
    • US10520620
    • 2003-07-11
    • Mitsuhiro MatsuzakiMasaru Kagoshima
    • Mitsuhiro MatsuzakiMasaru Kagoshima
    • C08G75/00C08G75/14
    • C08G75/0254C08G75/0213C08G75/0281
    • A process for producing polyarylene sulfide includes: steps of reacting an aromatic dihalide compound and an alkaline metal compound in a polar organic solvent for polymerization under heating and cooling a system including the reaction mixture to recover particulate polyarylene sulfide (PAS). The system after the reaction is gradually cooled at an average cooling speed of 0.2 to 1.0 deg. C./min. selectively in a temperature range of from 1 deg. C. below to 1 deg. C. above a maximum system-viscosity temperature. As a result, the process can be operated at a relatively short polymerization cycle and yet provides the product PAS particles with a high and stable bulk density as to exhibit good processability in the transportation and storage, and excellent transportability in a hopper or a screw of an extruder or a molding machine.
    • 制备聚芳硫醚的方法包括:在极性有机溶剂中使芳族二卤化物和碱金属化合物在加热和冷却包括反应混合物的体系进行聚合反应以回收颗粒状聚芳硫醚(PAS)的步骤。 反应后的体系以0.2〜1.0度的平均冷却速度逐渐冷却。 C./min。 选择性地在1度的温度范围内。 C.低于1度 C.高于最大系统粘度温度。 因此,该方法可以在相对较短的聚合循环下操作,并且为产品PAS颗粒提供高且稳定的堆积密度,以便在运输和储存中表现出良好的加工性,并且在料斗或螺杆中具有良好的可运输性 挤出机或成型机。