| 发明名称 |
Method of lowering the carbamate content of cellulose carbamate products using a base/alkali metal salt mixture |
| 摘要 |
The carbamate content of cellulose carbamate products is reduced by treating such products with solutions of a base, which solution also contains one or several alkali metal salts, particularly carbonates, sulfates, phosphates, borates and acetates.
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| 申请公布号 |
US4861874(A) |
申请公布日期 |
1989.08.29 |
| 申请号 |
US19880178546 |
申请日期 |
1988.04.07 |
| 申请人 |
NESTE OY |
发明人 |
EKLUND, VIDAR;FORS, JAN;MANDELL, LEO;MEINANDER, KERSTIN;SELIN, JOHAN-FREDRIK;TURUNEN, OLLI T. |
| 分类号 |
C08B11/15;C08B15/06;C08J3/00;C08J7/12;D01F2/00;D06M11/00;D06M11/38;D06M11/55;D06M11/71;D06M11/76;D06M11/82;D06M13/188;D06M23/00;D06M101/00;D06M101/02;D06M101/06;D06M101/08 |
主分类号 |
C08B11/15 |
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