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    • 1. 发明授权
    • Process for preparing homogeneous cellulose solution by using supercooled liquid N-methylmorpholine-N-oxide hydrate solvent
    • 使用过冷液体N-甲基吗啉-N-氧化物水合物溶剂制备均匀纤维素溶液的方法
    • US06677447B1
    • 2004-01-13
    • US09706846
    • 2000-11-07
    • Wha Seop LeeSeong Mu JoSeok Gu KoDong Bok Kim
    • Wha Seop LeeSeong Mu JoSeok Gu KoDong Bok Kim
    • C08B100
    • C08L1/02C08B1/003
    • Disclosed is a process for preparing a homogeneous cellulose solution which is capable of, forming a mixture where a cellulose pulp powder is mixed and swollen with a liquid NMMO hydrate solvent supercooled under a melting point and subjecting the mixture to a dissolution treatment, thereby producing a homogeneous cellulose solution having a substantially low decomposition characteristic. The process produces a cellulose pulp mixing powder that is first swollen in a liquid NMMO solvent supercooled under a melting point by minimizing the dissolution of cellulose by the liquid NMMO solvent and maximizing the swelling thereof by the liquid NMMO solvent, thereby resulting in a maximum homogeneity of the solution and maintains the minimized decomposition states of the cellulose and the NMMO solvent, thereby resulting in the improvement of productivity and the simplicity of the process.
    • 公开了一种制备均匀纤维素溶液的方法,该方法能够形成混合物,其中纤维素纸浆粉末与在熔点过冷的液体NMMO水合物溶剂混合并溶胀,并使混合物进行溶解处理,从而产生 均匀的纤维素溶液具有基本上低的分解特性。 该方法产生纤维素浆混合粉末,其首先在熔点过冷的液体NMMO溶剂中溶胀,通过使液体NMMO溶剂使纤维素溶解最小化,并通过液体NMMO溶剂使其溶胀最大化,从而产生最大的均匀性 的溶液,并维持纤维素和NMMO溶剂的最小分解状态,从而导致生产率的提高和方法的简单性。