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    • 45. 发明专利
    • Method for producing refined cellulose fiber
    • 生产精制纤维素纤维的方法
    • JP2012092467A
    • 2012-05-17
    • JP2010242370
    • 2010-10-28
    • Bridgestone Corp株式会社ブリヂストン
    • OKUMURA AKIRAASHOK KUMAR KARMOKARFUKUSHIMA YASUKIMI
    • D01F2/00
    • D01F2/00D01D1/02D01F1/02
    • PROBLEM TO BE SOLVED: To provide a method for producing a refined cellulose fiber, which can produce the refined cellulose fiber having the same strength as rayon without producing a by-product with a high environmental load, and can improve a work environment in a producing process and workability by lowering viscosity.SOLUTION: The method for producing the refined cellulose fiber comprises: a step of producing a cellulose dissolved solution by mixing at least one kind of ionic liquid, at least one kind of water-soluble polymer and a cellulose raw material to dissolve cellulose; and a step of producing the cellulose fiber by adding the cellulose dissolved solution into a nonsolvent to precipitate the cellulose fiber and separating the ionic liquid and the water-soluble polymer from the cellulose fiber.
    • 要解决的问题:提供一种精制纤维素纤维的制造方法,其能够生产与人造丝具有相同强度的精制纤维素纤维,而不会产生具有高环境负荷的副产物,并且可以改善工作环境 在生产过程中和通过降低粘度的可加工性。 解决方案:精制纤维素纤维的制造方法包括:通过混合至少一种离子液体,至少一种水溶性聚合物和纤维素原料来溶解纤维素来生产纤维素溶解溶液的步骤 ; 以及通过将纤维素溶解溶液添加到非溶剂中以沉淀纤维素纤维并将离子液体和水溶性聚合物与纤维素纤维分离来生产纤维素纤维的步骤。 版权所有(C)2012,JPO&INPIT