发明名称 |
Manufacture of cellulose carbamate used as alkaline solution in, e.g. manufacture of fibers and films, by reacting cellulose and urea in mixture containing cellulose, liquid, auxiliary agent and urea, and having specified liquid content |
摘要 |
Cellulose carbamate is manufactured by absorbing auxiliary agent and urea into cellulose, and reacting cellulose and urea in a mixture containing cellulose, liquid, the auxiliary agent and urea. The mixture has a liquid content of less than 40, preferably less than 22%.
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申请公布号 |
FI112869(B) |
申请公布日期 |
2004.01.30 |
申请号 |
FI20030000027 |
申请日期 |
2003.01.08 |
申请人 |
VALTION TEKNILLINEN TUTKIMUSKESKUS, |
发明人 |
VALTA,KYOESTI;SIVONEN,EINO |
分类号 |
C08B;C08B15/06;(IPC1-7):C08B15/06 |
主分类号 |
C08B |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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