| 发明名称 |
Process for improving the filterability of viscoses |
| 摘要 |
The invention provides a process for improving the solution state (filterability) of viscoses, wherein mashing of the alkali cellulose-xanthate with dilute sodium hydroxide solution or water and/or dissolving of the xanthate by agitation, disintegration or pump circulation etc. is carried out under an overpressure of from about 1 to 30 bar.
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| 申请公布号 |
US4340429(A) |
申请公布日期 |
1982.07.20 |
| 申请号 |
US19800192013 |
申请日期 |
1980.09.29 |
| 申请人 |
HOECHST AKTIENGESELLSCHAFT |
发明人 |
MAYER, REINHART |
| 分类号 |
D01F2/06;C08B9/00;C08B9/04;C08B16/00;C08H99/00;C08J3/02;C08L1/00;C08L1/02;(IPC1-7):C08J3/02;C08J3/04;C08L1/22;C08L1/24 |
主分类号 |
D01F2/06 |
| 代理机构 |
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代理人 |
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