Polyarylene sulfide having excellent processability and preparation method thereof
    1.
    发明授权
    Polyarylene sulfide having excellent processability and preparation method thereof 有权
    具有优异加工性能的聚芳硫醚及其制备方法

    公开(公告)号:US09546248B2

    公开(公告)日:2017-01-17

    申请号:US13697282

    申请日:2011-05-06

    摘要: The present invention relates to polyarylene sulfide, in which a ratio of a peak area of a polymer chain of a second polyarylene sulfide having a lower molecular weight than the maximum peak molecular weight to a peak area of a polymer chain of a first polyarylene sulfide having a higher molecular weight than the maximum peak molecular weight is 1.3 or less in the molecular weight distribution of the polyarylene sulfide, as measured by gel permeation chromatography using polystyrene as a standard, and a preparation method thereof. This polyarylene sulfide exhibits excellent processability and generates no burrs (flashes) or the like, and can satisfactorily mold a product requiring high molding precision.

    摘要翻译: 本发明涉及聚芳硫醚,其中具有比最大峰分子量低的分子量的第二聚芳硫醚的聚合物链的峰面积与具有第一聚亚芳基硫醚的聚合物链的峰面积的比率 通过使用聚苯乙烯作为标准物的凝胶渗透色谱法测定,聚亚芳基硫醚的分子量分布中的分子量比最大峰分子量高的分子量为1.3以下,及其制备方法。 该聚亚芳基硫醚显示出优异的加工性,不产生毛刺(闪光)等,能够令人满意地成型需要高成型精度的产品。

    POLYARYLENE SULFIDE HAVING EXCELLENT PROCESSABILITY AND PREPARATION METHOD THEREOF
    2.
    发明申请
    POLYARYLENE SULFIDE HAVING EXCELLENT PROCESSABILITY AND PREPARATION METHOD THEREOF 有权
    具有优异处理性的聚亚烷基硫化物及其制备方法

    公开(公告)号:US20130115438A1

    公开(公告)日:2013-05-09

    申请号:US13697282

    申请日:2011-05-06

    IPC分类号: C08G75/14

    摘要: The present invention relates to polyarylene sulfide, in which a ratio of a peak area of a polymer chain of a second polyarylene sulfide having a lower molecular weight than the maximum peak molecular weight to a peak area of a polymer chain of a first polyarylene sulfide having a higher molecular weight than the maximum peak molecular weight is 1.3 or less in the molecular weight distribution of the polyarylene sulfide, as measured by gel permeation chromatography using polystyrene as a standard, and a preparation method thereof. This polyarylene sulfide exhibits excellent processability and generates no burrs (flashes) or the like, and can satisfactorily mold a product requiring high molding precision.

    摘要翻译: 本发明涉及聚芳硫醚,其中具有比最大峰分子量低的分子量的第二聚芳硫醚的聚合物链的峰面积与具有第一聚亚芳基硫醚的聚合物链的峰面积的比率 通过使用聚苯乙烯作为标准物的凝胶渗透色谱法测定,聚亚芳基硫醚的分子量分布中的分子量比最大峰分子量高的分子量为1.3以下,及其制备方法。 该聚亚芳基硫醚显示出优异的加工性,不产生毛刺(闪光)等,能够令人满意地成型需要高成型精度的产品。

    Method for preparing polyarylene sulfide
    3.
    发明授权
    Method for preparing polyarylene sulfide 有权
    聚芳硫醚的制备方法

    公开(公告)号:US08859720B2

    公开(公告)日:2014-10-14

    申请号:US13141822

    申请日:2009-12-22

    IPC分类号: C08G75/14 C08G75/02 C08G75/16

    CPC分类号: C08G75/0209 C08G75/0268

    摘要: The present invention relates to a method for preparing polyarylene sulfide, in which the polyarylene sulfide is prepared by a polymerization reaction of reactants including a diiodo aromatic compound and a sulfur compound, the method including: further adding 0.01 to 10.0 wt. % of diphenyl disulfide with respect to the weight of the polyarylene sulfide to the reactants to form the polyarylene sulfide having a melting point of 265 to 320° C.The diphenyl disulfide included in the reactants according to the present invention costs far less than other conventional polymerization inhibitors to dramatically lower the production cost, and the polyarylene sulfide prepared using the diphenyl disulfide exhibits low iodine content and very excellence in thermal stability.

    摘要翻译: 本发明涉及一种聚芳硫醚的制备方法,其中聚芳硫醚通过包括二碘芳族化合物和硫化合物的反应物的聚合反应制备,所述方法包括:进一步加入0.01至10.0wt。 相对于聚芳硫醚相对于反应物的重量的二苯基二硫化物的%为二苯醚,以形成熔点为265至320℃的聚芳硫醚。根据本发明的反应物中包含的二苯基二硫醚的成本远低于其它常规 聚合抑制剂大大降低生产成本,并且使用二苯基二硫化物制备的聚芳硫醚表现出低碘含量和非常优异的热稳定性。

    Method for preparing polyarylene sulfide having reduced iodine content
    4.
    发明授权
    Method for preparing polyarylene sulfide having reduced iodine content 有权
    制备具有降低碘含量的聚芳硫醚的方法

    公开(公告)号:US08759478B2

    公开(公告)日:2014-06-24

    申请号:US13576229

    申请日:2011-01-31

    IPC分类号: C08G75/00

    CPC分类号: C08G75/14 C08G75/0263

    摘要: A method for preparing polyarylene sulfide having reduced iodine content and excellent thermal stability is described. The method includes reacting a composition comprising diiodide aromatic compounds, sulfur compounds, and a polymerization terminator. The preparation method may effectively reduce iodine content of polyarylene sulfide to prevent corrosion of post processing equipment, improve properties of polyarylene sulfide such as thermal stability, and the like, and thus, it may be usefully applied in the industrial field relating to preparation of polyarylene sulfide.

    摘要翻译: 描述了制备具有降低的碘含量和优异的热稳定性的聚芳硫醚的方法。 该方法包括使包含二碘化物芳族化合物,硫化合物和聚合终止剂的组合物反应。 制备方法可有效降低聚芳硫醚的碘含量,防止后处理设备的腐蚀,改善聚芳硫醚的热稳定性等,从而可用于有关制备聚亚芳基的工业领域 硫化物。

    METHOD FOR PREPARING POLYARYLENE SULFIDE
    5.
    发明申请
    METHOD FOR PREPARING POLYARYLENE SULFIDE 有权
    制备聚亚锡硫化物的方法

    公开(公告)号:US20110257363A1

    公开(公告)日:2011-10-20

    申请号:US13141822

    申请日:2009-12-22

    IPC分类号: C08G75/04

    CPC分类号: C08G75/0209 C08G75/0268

    摘要: The present invention relates to a method for preparing polyarylene sulfide, in which the polyarylene sulfide is prepared by a polymerization reaction of reactants including a diiodo aromatic compound and a sulfur compound, the method including: further adding 0.01 to 10.0 wt. % of diphenyl disulfide with respect to the weight of the polyarylene sulfide to the reactants to form the polyarylene sulfide having a melting point of 265 to 320° C.The diphenyl disulfide included in the reactants according to the present invention costs far less than other conventional polymerization inhibitors to dramatically lower the production cost, and the polyarylene sulfide prepared using the diphenyl disulfide exhibits low iodine content and very excellence in thermal stability.

    摘要翻译: 本发明涉及一种聚芳硫醚的制备方法,其中聚芳硫醚通过包括二碘芳族化合物和硫化合物的反应物的聚合反应制备,所述方法包括:进一步加入0.01至10.0wt。 相对于聚芳硫醚相对于反应物的重量的二苯基二硫化物的%为二苯醚,以形成熔点为265至320℃的聚芳硫醚。根据本发明的反应物中包含的二苯基二硫醚的成本远低于其它常规 聚合抑制剂大大降低生产成本,并且使用二苯基二硫化物制备的聚芳硫醚表现出低碘含量和非常优异的热稳定性。

    Method for preparing polyarylene sulfide with reduced free iodine content
    6.
    发明授权
    Method for preparing polyarylene sulfide with reduced free iodine content 有权
    制备具有降低游离碘含量的聚芳硫醚的方法

    公开(公告)号:US09163119B2

    公开(公告)日:2015-10-20

    申请号:US13142932

    申请日:2009-12-28

    IPC分类号: C08G75/14 C08G75/02 C08G75/00

    摘要: The present invention relates to a method for preparing polyarylene sulfide with a reduced free iodine content. More specifically, the method for preparing polyarylene sulfide includes: (a) polymerizing reactants including a diiodo aromatic compound and a sulfur compound to form a polyarylene sulfide; and (b) maintaining the polyarylene sulfide product at 100 to 260° C. for heat-setting. The preparation method of the present invention effectively reduces the free iodine content of the polyarylene sulfide to prevent potential corrosion of facilities for the subsequent process and improves the properties of the polyarylene sulfide product such as thermal stability, so the method can be usefully applied to industrial fields in regard to the preparation of polyarylene sulfide.

    摘要翻译: 本发明涉及一种具有降低游离碘含量的聚芳硫醚的制备方法。 更具体地说,制备聚芳硫醚的方法包括:(a)使包含二碘芳族化合物和硫化合物的反应物聚合以形成聚芳硫醚; 和(b)将聚芳硫醚产物保持在100-260℃以进行热定型。 本发明的制备方法有效地降低了聚芳硫醚的游离碘含量,以防止随后工艺的设备的潜在腐蚀,提高聚芳硫醚产品的性能,如热稳定性,因此该方法可有效应用于工业 关于制备聚芳硫醚的领域。

    Polyarylene sulfide having reduced outgassing and preparation method thereof
    7.
    发明授权
    Polyarylene sulfide having reduced outgassing and preparation method thereof 有权
    减少除气的聚芳硫醚及其制备方法

    公开(公告)号:US09255183B2

    公开(公告)日:2016-02-09

    申请号:US13582868

    申请日:2011-03-08

    摘要: Embodiments of the present invention relate to polyarylene sulfide that may exhibit excellent processability at low temperature, decrease outgassing and flash or burr generation, and thus may satisfactorily mold a product requiring high molding accuracy, and a method for preparing the same. Specifically, the polyarylene sulfide includes an arylene sulfide repeat unit and an arylene disulfide repeat unit, wherein the weight ratio of the arylene sulfide repeat unit:arylene disulfide repeat unit is 1:0.0001 to 1:0.05.

    摘要翻译: 本发明的实施方式涉及可以在低温下显示出优异的加工性,减少脱气和闪光或毛刺产生的聚芳硫醚,从而可以令人满意地模制需要高成型精度的产品及其制备方法。 具体地,聚芳硫醚包括亚芳基硫醚重复单元和亚芳基二硫化物重复单元,其中亚芳基硫醚重复单元:亚芳基二硫化物重复单元的重量比为1:0.1:1至1:1,0.05。

    Polyarylene sulfide and preparation method thereof
    8.
    发明授权
    Polyarylene sulfide and preparation method thereof 有权
    聚芳硫醚及其制备方法

    公开(公告)号:US09074048B2

    公开(公告)日:2015-07-07

    申请号:US13582859

    申请日:2011-03-08

    摘要: This disclosure relates to polyarylene sulfide that may exhibit and maintain excellent properties and a method for preparing the same, wherein the polyarylene sulfide is in the form of pellet of 2 to 10 mm size immediately after melt polymerization, and has residual solvent content of 300 ppm or less, based on the total weight of resin.The polyarylene sulfide may exhibit and maintain excellent properties, particularly it does not generate foam in the product or stain on the surface, has excellent mechanical properties such as tensile strength, and the like, and thus, it may be usefully applied in the industrial field of preparing polyarylene sulfide and manufacturing a molded product using the same.

    摘要翻译: 本公开涉及可以显示和保持优异性能的聚芳硫醚及其制备方法,其中聚芳硫醚在熔融聚合后立即为粒径为2至10mm的颗粒形式,并且残留溶剂含量为300ppm 或更低,基于树脂的总重量。 聚芳硫醚可以表现出并且保持优异的性能,特别是在产品中不产生泡沫或表面上的污渍,具有优异的机械性能如拉伸强度等,因此可用于工业领域 制备聚芳硫醚并制造使用其的模塑产品。

    POLYARYLENE SULFIDE AND PREPARATION METHOD THEREOF
    9.
    发明申请
    POLYARYLENE SULFIDE AND PREPARATION METHOD THEREOF 有权
    聚亚烷基硫醚及其制备方法

    公开(公告)号:US20120329984A1

    公开(公告)日:2012-12-27

    申请号:US13582859

    申请日:2011-03-08

    IPC分类号: C08G75/14

    摘要: This disclosure relates to polyarylene sulfide that may exhibit and maintain excellent properties and a method for preparing the same, wherein the polyarylene sulfide is in the form of pellet of 2 to 10 mm size immediately after melt polymerization, and has residual solvent content of 300 ppm or less, based on the total weight of resin.The polyarylene sulfide may exhibit and maintain excellent properties, particularly it does not generate foam in the product or stain on the surface, has excellent mechanical properties such as tensile strength, and the like, and thus, it may be usefully applied in the industrial field of preparing polyarylene sulfide and manufacturing a molded product using the same.

    摘要翻译: 本公开涉及可以显示和保持优异性能的聚芳硫醚及其制备方法,其中聚芳硫醚在熔融聚合后立即为粒径为2至10mm的颗粒形式,并且残留溶剂含量为300ppm 或更低,基于树脂的总重量。 聚芳硫醚可以表现出并且保持优异的性能,特别是在产品中不产生泡沫或表面上的污渍,具有优异的机械性能如拉伸强度等,因此可用于工业领域 制备聚芳硫醚并制造使用其的模塑产品。

    Recyclable polyarylene sulfide and preparation method thereof
    10.
    发明授权
    Recyclable polyarylene sulfide and preparation method thereof 有权
    可回收聚芳硫醚及其制备方法

    公开(公告)号:US09249263B2

    公开(公告)日:2016-02-02

    申请号:US13582874

    申请日:2011-02-28

    摘要: Embodiments of the present invention relate to recyclable polyarylene sulfide that may exhibit and maintain excellent mechanical properties, particularly does not exhibit decrease in melt viscosity when it is molten, and thus, exhibit little deterioration of mechanical properties, and a method for preparing the same. The polyarylene sulfide has initial melt viscosity measured at 300° C. of 300 to 6000 poise, and melt viscosity after heat treated and molten at 300° C., equal to or greater than the initial melt viscosity.

    摘要翻译: 本发明的实施方式涉及可显示和保持优异的机械性能的可回收聚芳撑硫醚,特别是熔融时熔体粘度不会降低,因此几乎不显示出机械性能的劣化及其制备方法。 聚亚芳基硫醚在300℃下测定的初始熔融粘度为300〜6000泊,热处理后的熔融粘度在300℃下熔融,等于或大于初始熔融粘度。