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    • 6. 发明公开
    • 쌍축 압출기를 이용한 균질 셀룰로오스 용액의 제조 방법
    • 使用双螺杆挤出机制备均质纤维​​素溶液的方法
    • KR1020070094275A
    • 2007-09-20
    • KR1020060024733
    • 2006-03-17
    • 주식회사 효성
    • 최재식권익현최수명왕영수김성룡
    • D21H11/00
    • C08B1/003C08J3/11D01F2/00
    • A method for preparing a homogeneous cellulose solution is provided to produce the homogenous cellulose solution in a short time, by using a twin screw extruder consisting of a forward screw, a kneading screw, and a backward screw. A cellulose solution is prepared by crushing a cellulose sheet into cellulose powder, supplying the cellulose powder and enriched N-methylmorpholine-N-oxide hydrate or tertiary amine oxide to a twin screw extruder(1), and processing the supplied components through mixing/swelling, dissolving/homogenizing, and venting/measuring. The twin screw extruder includes at least one forward screw(2), at least one kneading screw, and at least one backward screw(4).
    • 提供制备均匀纤维素溶液的方法,通过使用由前螺杆,捏合螺杆和后退螺杆组成的双螺杆挤出机,在短时间内制造均匀的纤维素溶液。 纤维素溶液通过将纤维素片粉碎成纤维素粉末,将纤维素粉末和富含N-甲基吗啉-N-氧化物水合物或叔胺氧化物供给到双螺杆挤出机(1)中制备,并通过混合/溶胀处理供应的组分 ,溶解/均化,排气/测量。 双螺杆挤出机包括至少一个前螺杆(2),至少一个捏合螺杆和至少一个后退螺杆(4)。