| 发明名称 |
Process for the purification of polymers |
| 摘要 |
The invention relates to a process for the purification of polymers by reducing the content of low-molecular-weight products by treating the polymer with a gas in the supercritical stage as extractant. In particular in the case of poly(meth)acrylamides, the process according to the invention offers a number of advantages.
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| 申请公布号 |
DE3323940(A1) |
申请公布日期 |
1985.01.10 |
| 申请号 |
DE19833323940 |
申请日期 |
1983.07.02 |
| 申请人 |
HOECHST AG |
发明人 |
BRAUN,GERO,DR.;SCHMITZ,HERMANN,DR.;KUEHLEIN,KLAUS,DR.;STEINER,RUDOLF,PROF.DR. |
| 分类号 |
B01D11/02;C08F6/28;C08G2/28;C08G85/00;C08J9/22;(IPC1-7):C08F6/10 |
主分类号 |
B01D11/02 |
| 代理机构 |
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