| 发明名称 |
Process for isolating boron-containing phenol/formaldehyde resins |
| 摘要 |
Boron containing phenol/formaldehyde resins can be isolated from their reaction media by evaporating said resins in a spiral flow evaporator which has a ratio between throughput and tube cross section from 0.1 to 1.5 and a ratio between throughput and evaporation surface from 100 to 400.
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| 申请公布号 |
US4232134(A) |
申请公布日期 |
1980.11.04 |
| 申请号 |
US19790091823 |
申请日期 |
1979.11.06 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
SCHMIDT, MANFRED;BANDTEL, EBERHARD;TRAUDISCH, WALTER;SPOTT, GEORG;FREITAG, DIETER |
| 分类号 |
C08G8/00;B01D1/02;B01D3/34;C08G8/28;C08G16/02;C08G79/08;C08L61/10;(IPC1-7):C08G8/10;C08G8/20 |
主分类号 |
C08G8/00 |
| 代理机构 |
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代理人 |
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