发明申请
US20050234229A1 Method for the production of cellulose carbamate moulded bodies
审中-公开
生产纤维素氨基甲酸酯成型体的方法
- 专利标题： Method for the production of cellulose carbamate moulded bodies
- 专利标题（中）： 生产纤维素氨基甲酸酯成型体的方法
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申请号： US10515787申请日： 2003-05-09
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公开(公告)号： US20050234229A1公开(公告)日： 2005-10-20
- 发明人: Fritz Loth , Eckehart Schaaf , Peter Weigel , Hans-Peter Fink
- 申请人： Fritz Loth , Eckehart Schaaf , Peter Weigel , Hans-Peter Fink
- 优先权： DE10223174.5 20020524
- 国际申请： PCT/EP03/04879 WO 20030509
- 主分类号： C08B15/06
- IPC分类号： C08B15/06 ; C08L1/08 ; D01F2/00 ; D01F2/24 ; C08B5/00 ; B27N3/00
摘要：
The invention relates to a method for the direct production of fibres, films, beads, sponges and other moulded articles made of cellulose carbamate which was obtained by conversion of cellulose with urea at increased temperature and direct dissolution of the reaction product in sodium hydroxide solution without an additional washing and cleaning operation.
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