公开(公告)号：US11661482B2

公开(公告)日：2023-05-30

申请号：US17273261

申请日：2019-10-18

Applicant: LG CHEM, LTD.

Inventor： Hansol Kim ,  Joong Jin Han ,  Sanghwan Jo

IPC: C08G75/0281 ,  C08G75/0254

CPC classification number: C08G75/0281 ,  C08G75/0254

Abstract: The present disclosure relates to a method of more efficiently separating and purifying a polyarylene sulfide exhibiting excellent strength, heat resistance, flame retardancy, and processability when processed into a molded product after polymerization.

公开(公告)号：US20170282150A1

公开(公告)日：2017-10-05

申请号：US15512983

申请日：2015-09-18

Applicant: Kureha Corporation

Inventor： MASANORI KOBAYASHI ,  TETSUYA MORIKAWA ,  KIYOTAKA TADANO ,  YOSHIHIRO ICHINOSE ,  KOICHI SUZUKI

IPC: B01J19/24 ,  C08G75/14 ,  C08G75/0281 ,  C08G75/0209 ,  C08G75/0263

CPC classification number: B01J19/2415 ,  B01J4/001 ,  B01J19/006 ,  B01J19/0066 ,  B01J19/18 ,  B01J2219/00768 ,  B01J2219/00779 ,  C08G75/02 ,  C08G75/0209 ,  C08G75/0263 ,  C08G75/0281 ,  C08G75/14 ,  C08G85/00

Abstract: The present invention provides an a polyarylene sulfide (PAS) production device provided with a supply tube for loading corrosive materials such as a strong alkali into a reaction vessel, wherein prescribed amounts of various raw materials or the like can be accurately loaded into the reaction vessel without causing decreases in production efficiency due to the replacement of the supply tube or the repair of the reaction vessel in response to the corrosion of the supply tube or the like.The present invention is a production device, and a PAS production device, in particular, provided with a reaction vessel equipped with one or a plurality of supply tubes, at least one of the supply tubes having an insert pipe, which is preferably detachable, to be inserted into an outer supply tube; and a tip opening of the insert pipe being positioned further inward than an inside wall of the reaction vessel.

公开(公告)号：US08492502B2

公开(公告)日：2013-07-23

申请号：US12518243

申请日：2008-01-04

Applicant: Young-Rok Lee ,  II-Hoon Cha ,  Jun-Sang Cho

Inventor： Young-Rok Lee ,  II-Hoon Cha ,  Jun-Sang Cho

IPC: C08G75/00

CPC classification number: C08G75/0263 ,  C08G75/0209 ,  C08G75/0231 ,  C08G75/0281 ,  C08L81/02 ,  C08L81/00

Abstract: The present invention relates to a process of producing polyarylene sulfide (PAS) and PAS resin produced therefrom, and more specifically, to a process of preparing polyarylene sulfide with better thermal properties and luminosity than conventional PAS and the PAS resin produced therefrom, including the steps of: a) melting and mixing a composition including solid sulfur, iodinated aryl compounds, and a polymerization terminator; b) polymerizing the molten mixture of step a) for 1 to 30 hours while increasing the temperature and decreasing the pressure from initial reaction conditions of a temperature of 180 to 250° C. and a pressure of 50 to 450 Torr to final reaction conditions of a temperature of 270 to 350° C. and a pressure of 0.001 to 20 Torr; and c) heating the reaction product of step b) at a temperature of 270 to 350° C. for 1 to 25 hours. The process of polyarylene sulfide resin further includes a step of heating the polymerized product at a high temperature following the polymerization step, and uses the polymerization terminator in a suitable amount to control the molecular weight of polyarylene sulfide, thereby producing polyarylene sulfide with excellent thermal properties and luminosity.

Abstract translation: 本发明涉及一种生产聚芳硫醚（PAS）和由其制备的PAS树脂的方法，更具体地说，涉及制备具有比常规PAS和由其制备的PAS树脂更好的热性能和发光度的聚芳硫醚的方法，包括步骤 a）熔融和混合包括固体硫，碘化芳基化合物和聚合终止剂的组合物; b）使步骤a）的熔融混合物聚合1至30小时，同时增加温度并将温度从180-250℃的初始反应条件和50至450托的压力降低至最终反应条件 温度为270〜350℃，压力为0.001〜20托; 和c）将步骤b）的反应产物在270至350℃的温度下加热1至25小时。 聚芳硫醚树脂的方法还包括在聚合步骤之后在高温下加热聚合产物的步骤，并且使用适当量的聚合终止剂来控制聚芳硫醚的分子量，由此制备具有优异热性质的聚芳硫醚 和亮度。

公开(公告)号：US08076447B2

公开(公告)日：2011-12-13

申请号：US12653623

申请日：2009-12-16

Applicant: Hiroyuki Sato ,  Koichi Suzuki ,  Hirohito Kawama

Inventor： Hiroyuki Sato ,  Koichi Suzuki ,  Hirohito Kawama

IPC: C08G75/14 ,  C08G75/00 ,  C08G75/02

CPC classification number: C08G75/0204 ,  C08G75/0213 ,  C08G75/0254 ,  C08G75/0281

Abstract: A poly(arylene sulfide) having properties that a melt viscosity is 1 to 3,000 Pa·s as measured under conditions of a temperature of 310° C. and a shear rate of 1,216 sec−1, a pH is 7.0 to 12.0 as measured in a mixed solvent of water/acetone (volume ratio=2/1), a crystallization temperature is at most 220° C. as measured in the course of lowing the temperature of the polymer at a rate of 10° C./min from a molten state, and a whiteness degree is at least 70 as measured in the form of a melt molded or formed product, and a production process thereof.

Abstract translation: 在温度310℃，剪切速度1216秒-1的条件下测定的熔融粘度为1〜3000Pa·s的特性的聚（亚芳基硫醚），pH为7.0〜12.0，如 水/丙酮的混合溶剂（体积比= 2/1），结晶温度为至多220℃，在从聚合物的温度以10℃/ min的速度降低的过程中测量 熔融状态，并且以熔融成型或成形品的形式测量的白度为至少70及其制造方法。

公开(公告)号：US20110037193A1

公开(公告)日：2011-02-17

申请号：US12937390

申请日：2009-04-15

Applicant: Kazunari Takada ,  Raita Nishikawa ,  Katsuhei Ohnishi

Inventor： Kazunari Takada ,  Raita Nishikawa ,  Katsuhei Ohnishi

IPC: B29C47/00 ,  B29C47/36 ,  B29C47/48 ,  B29C47/38

CPC classification number: C08L81/02 ,  B29C47/6037 ,  B29C47/6043 ,  B29C47/6056 ,  C08G75/0281 ,  C08K5/5419

Abstract: A method is provided for obtaining a polyarylene sulfide resin composition with a low chlorine content, which has high fluidity and high quality and produces less burrs. Specifically, a method is provided wherein a polyarylene sulfide resin composition is produced by melting and mixing (A) a polyarylene sulfide resin, (B) an inorganic filler, and (C) an alkoxysilane compound. In this method, (A) a polyarylene sulfide resin having a melt viscosity of 80-400 Pa·s (at a temperature of 310° C. and a shear rate of 1200/sec) and a chlorine content of 1000-2000 ppm is supplied from a raw material feed port of a specific extruder, and then extruded at two kneading parts within the range of [shear rate (1/sec)×kneading time (sec)=1600-6000], thereby producing a polyarylene sulfide resin composition having a melt viscosity of 150-330 Pa·s (at a temperature of 310° C. and a shear rate of 1200/sec) and a chlorine content of not more than 950 ppm.

Abstract translation: 提供了一种获得低氯含量的聚芳硫醚树脂组合物的方法，其具有高流动性和高质量并且产生较少的毛刺。 具体地说，提供一种通过熔融混合（A）聚芳硫醚树脂，（B）无机填料和（C）烷氧基硅烷化合物制备聚芳硫醚树脂组合物的方法。 在该方法中，（A）熔融粘度为80〜400Pa·s（310℃，剪切速度1200 /秒），氯含量为1000〜2000ppm的聚芳硫醚树脂为 从特定挤出机的原料供给口供给，然后在[剪切速度（1 /秒）×捏合时间（sec）= 1600-6000]的范围内在两个捏合部分挤出，由此制备聚芳硫醚树脂组合物 熔体粘度为150-330Pa·s（温度310℃，剪切速度1200 /秒），氯含量不大于950ppm。

公开(公告)号：US07754848B2

公开(公告)日：2010-07-13

申请号：US10584629

申请日：2004-12-20

Applicant: Hiroyuki Sato ,  Koichi Suzuki ,  Hirohito Kawama

Inventor： Hiroyuki Sato ,  Koichi Suzuki ,  Hirohito Kawama

IPC: C08F6/10 ,  C08F6/12 ,  C08J3/12 ,  C08J3/14 ,  C08G75/10 ,  C08G75/14 ,  C08G75/16 ,  C08L81/00

CPC classification number: C08G75/02 ,  C08G75/0209 ,  C08G75/0213 ,  C08G75/0254 ,  C08G75/0281

Abstract: In a process for producing a poly(arylene sulfide) by polymerizing a sulfur source and a dihalo-aromatic compound in the presence of an alkali metal hydroxide in an organic amide solvent, the production process comprises washing a polymer obtained by the polymerization with a hydrophilic organic solvent containing water in a proportion of 1 to 30% by weight, thereby collecting a purified polymer, the content of nitrogen contained in an extract extracted by a mixed solvent containing 40% by weight of acetonitrile and 60% by weight of water from the purified polymer is at most 50 ppm on the basis of the weight of the polymer, and a poly(arylene sulfide), the content of nitrogen contained in an extract extracted by a mixed solvent containing 40% by weight of acetonitrile and 60% by weight of water from the purified polymer is at most 50 ppm on the basis of the weight of the polymer.

Abstract translation: 在有机酰胺溶剂中，在碱金属氢氧化物存在下，通过使硫源和二卤代芳族化合物聚合来制造聚（亚芳基硫醚）的方法中，所述制造方法包括用亲水性 含水比例为1〜30重量％的有机溶剂，由此收集纯化聚合物，将含有40重量％乙腈和60重量％水的混合溶剂萃取提取的氮含量从 纯聚合物基于聚合物的重量为至多50ppm，聚（亚芳基硫醚）包含在通过包含40重量％乙腈和60重量％的混合溶剂萃取的提取物中的氮含量 基于聚合物的重量，来自纯化的聚合物的水的至多50ppm。

公开(公告)号：US07655748B2

公开(公告)日：2010-02-02

申请号：US10589006

申请日：2005-02-09

Applicant: Hiroyuki Sato ,  Koichi Suzuki ,  Hirohito Kawama

Inventor： Hiroyuki Sato ,  Koichi Suzuki ,  Hirohito Kawama

IPC: C08G75/14 ,  C08G75/00 ,  C08G75/02

CPC classification number: C08G75/0204 ,  C08G75/0213 ,  C08G75/0254 ,  C08G75/0281

Abstract: A poly(arylene sulfide) having properties that a melt viscosity is 1 to 3,000 Pa·s as measured under conditions of a temperature of 310° C. and a shear rate of 1,216 sec−1, a pH is 7.0 to 12.0 as measured in a mixed solvent of water/acetone (volume ratio=2/1), a crystallization temperature is at most 220° C. as measured in the course of lowing the temperature of the polymer at a rate of 10° C./min from a molten state, and a whiteness degree is at least 70 as measured in the form of a melt molded or formed product, and a production process thereof.

Abstract translation: 在温度310℃，剪切速度1216秒-1的条件下测定的熔融粘度为1〜3,000Pa·s的特性的聚（亚芳基硫醚），pH为7.0〜12.0，如 水/丙酮的混合溶剂（体积比= 2/1），结晶温度为至多220℃，在从聚合物的温度以10℃/ min的速度降低的过程中测量 熔融状态，并且以熔融成型或成形品的形式测量的白度为至少70及其制造方法。

公开(公告)号：US20070093642A1

公开(公告)日：2007-04-26

申请号：US10589006

申请日：2005-02-09

Applicant: Hiroyuki Sato ,  Koichi Suzuki ,  Hirohito Kawama

Inventor： Hiroyuki Sato ,  Koichi Suzuki ,  Hirohito Kawama

IPC: C08G75/14

CPC classification number: C08G75/0204 ,  C08G75/0213 ,  C08G75/0254 ,  C08G75/0281

Abstract: A poly(arylene sulfide) having properties that a melt viscosity is 1 to 3,000 Pa·s as measured under conditions of a temperature of 310° C. and a shear rate of 1,216 sec−1, a pH is 7.0 to 12.0 as measured in a mixed solvent of water/acetone (volume ratio=2/1), a crystallization temperature is at most 220° C. as measured in the course of lowing the temperature of the polymer at a rate of 10° C./min from a molten state, and a whiteness degree is at least 70 as measured in the form of a melt molded or formed product, and a production process thereof.

Abstract translation: 具有熔融粘度为1〜3000Pa·s的聚（亚芳基硫醚），其温度为310℃，剪切速度为1,216秒-1，pH为1〜 在水/丙酮（体积比= 2/1）的混合溶剂中测量为7.0至12.0，结晶温度为至多220℃，如在聚合物的温度降低10天的过程中测量的 熔融状态下的℃/分钟，并且以熔融成型或成形品的形式测量的白度为至少70及其制造方法。

公开(公告)号：US20060086374A1

公开(公告)日：2006-04-27

申请号：US10540834

申请日：2003-12-19

Applicant: Hiroyuki Sato ,  Tatsuya Kawasaki ,  Yasushi Nakazawa

Inventor： Hiroyuki Sato ,  Tatsuya Kawasaki ,  Yasushi Nakazawa

IPC: B08B7/04

CPC classification number: C08G75/0281 ,  C08G75/0213 ,  C08G75/0254

Abstract: A process for producing a poly(arylene sulfide), comprising the respective steps of a washing step of washing a polymer separated from a reaction mixture containing the polymer formed with an organic solvent, which is arranged after a polymerization step, a purification step of purifying the organic solvent recovered after the washing step to lower the content of an alkaline compound mixed therein, and a step of recycling the purified organic solvent through the washing step of the poly(arylene sulfide).

Abstract translation: 一种聚（亚芳基硫醚）的制造方法，其特征在于，包括以下各工序：洗涤从聚合工序后配置的含有由有机溶剂形成的聚合物的反应混合物分离出的聚合物的洗涤工序， 在洗涤步骤后回收有机溶剂以降低其中混合的碱性化合物的含量，以及通过聚（亚芳基硫醚）的洗涤步骤循环纯化的有机溶剂的步骤。

公开(公告)号：US20050215759A1

公开(公告)日：2005-09-29

申请号：US10520620

申请日：2003-07-11

Applicant: Mitsuhiro Matsuzaki ,  Masaru Kagoshima

Inventor： Mitsuhiro Matsuzaki ,  Masaru Kagoshima

IPC: C08G75/02 ,  C08G75/00

CPC classification number: C08G75/0254 ,  C08G75/0213 ,  C08G75/0281

Abstract: 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.

Abstract translation: 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。