发明名称 |
Verfahren zur vollständigen Trocknung von Hydrogelen |
摘要 |
The present invention relates to a complete drying method for hydrogels, whereby the following steps are carried out successively: a) the hydrogels are contact dried or dried by convection, b) the hydrogels are pre-crushed, c) the pre-crushed hydrogels are ground by means of a coarse crushing mill or a crushing roller mill, d) the damp elastic hydrogel particles are separated, e) the damp elastic hydrogel particles are finally dried.
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申请公布号 |
DE19849499(A1) |
申请公布日期 |
2000.05.04 |
申请号 |
DE19981049499 |
申请日期 |
1998.10.27 |
申请人 |
BASF AG |
发明人 |
DENTLER, JOACHIM;HERFERT, NORBERT;KLOTZSCHE, HELMUT;SCHLIWA, RONALD;STUEVEN, UWE |
分类号 |
B01J20/26;B01J20/30;B29B13/06;C08F6/00;C08J3/00;C08J3/12;F26B1/00;(IPC1-7):B01J20/26 |
主分类号 |
B01J20/26 |
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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