| 发明名称 |
METHOD FOR THERMAL STABILIZATION OF HIGHLY CONCENTRATED FORMALDEHYDE SOLUTIONS |
| 摘要 |
A method for stabilization of highly concentrated formaldehyde solutions containing >70 wt. % CH2O with respect to solid precipitation, wherein th e highly concentrated formaldehyde solution is heated directly after productio n at a heating rate of at least 5~ C/min to a temperature of at least 80 ~C to 200 ~C maximum and is stored at a temperature within said range.
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| 申请公布号 |
CA2517564(A1) |
申请公布日期 |
2004.09.16 |
| 申请号 |
CA20042517564 |
申请日期 |
2004.03.04 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
HASSE, HANS;GRUETZNER, THOMAS;STROEFER, ECKHARD |
| 分类号 |
C07C45/78;C07C45/82;C07C47/058;(IPC1-7):C07C47/058 |
主分类号 |
C07C45/78 |
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