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    • 1. 发明授权
    • Process for the production of polyarylene sulfide resins
    • 聚芳硫醚树脂生产工艺
    • US07317072B2
    • 2008-01-08
    • US10530027
    • 2003-10-02
    • Minoru SengaKoichi SugaTomio Ohno
    • Minoru SengaKoichi SugaTomio Ohno
    • C08F6/00
    • C08F228/04C08G75/0213C08G75/0254C08G75/0277C08G75/0281
    • The present invention is a process for the production of polyarylene sulfide based resin, wherein in washing a polyarylene sulfide based resin with a mixed solvent of an aprotic organic solvent and water in a softened or molten state, the polyarylene sulfide based resin partially dissolved in the washing liquid is recovered, to be specific, the polyarylene sulfide based resin dissolved in the washing liquid is precipitated, separated and recovered by cooling the washing liquid after washing and/or adding water to the washing liquid, and it is reused. According to the present invention, capable of being provided is a process for the production of polyarylene sulfide based resin in which the polyarylene sulfide based resin formed by polymerization is scarcely lost in washing the above resin with a solvent.
    • 本发明是一种聚芳硫醚系树脂的制造方法,其中,在软化或熔融状态下用非质子性有机溶剂和水的混合溶剂洗涤聚芳硫醚系树脂时,聚芳硫醚系树脂部分溶解于 特别地回收洗涤液,溶解在洗涤液中的聚芳硫醚系树脂通过在洗涤和/或向洗涤液中添加水后冷却洗涤液而分离和回收,并重复使用。 根据本发明,能够提供一种制备聚芳硫醚类树脂的方法,其中通过聚合形成的聚芳硫醚基树脂在用溶剂洗涤上述树脂时几乎不失去。
    • 2. 发明申请
    • Process for the production of polyarylene sulfide resins
    • 聚芳硫醚树脂生产工艺
    • US20060128819A1
    • 2006-06-15
    • US10530027
    • 2003-10-02
    • Minoru SengaKoichi SugaTomio Ohno
    • Minoru SengaKoichi SugaTomio Ohno
    • C08J11/04
    • C08F228/04C08G75/0213C08G75/0254C08G75/0277C08G75/0281
    • The present invention is a process for the production of polyarylene sulfide based resin, wherein in washing a polyarylene sulfide based resin with a mixed solvent of an aprotic organic solvent and water in a softened or molten state, the polyarylene sulfide based resin partially dissolved in the washing liquid is recovered, to be specific, the polyarylene sulfide based resin dissolved in the washing liquid is precipitated, separated and recovered by cooling the washing liquid after washing and/or adding water to the washing liquid, and it is reused. According to the present invention, capable of being provided is a process for the production of polyarylene sulfide based resin in which the polyarylene sulfide based resin formed by polymerization is scarcely lost in washing the above resin with a solvent.
    • 本发明是一种聚芳硫醚系树脂的制造方法,其中,在软化或熔融状态下用非质子性有机溶剂和水的混合溶剂洗涤聚芳硫醚系树脂时,聚芳硫醚系树脂部分溶解于 特别地回收洗涤液,溶解在洗涤液中的聚芳硫醚系树脂通过在洗涤和/或向洗涤液中添加水后冷却洗涤液而分离和回收,并重新使用。 根据本发明,能够提供一种制备聚芳硫醚类树脂的方法,其中通过聚合形成的聚芳硫醚基树脂在用溶剂洗涤上述树脂时几乎不失去。