PROCESS FOR PRODUCING VINYLSULFONIC ACID
The subject invention provides: a method for producing vinyl sulfonic acid, comprising conducting demetallation of vinyl sulfonate salt, wherein the demetallation rate is not less than 95% according to the following formula: D ¢ e ¢ m ¢ e ¢ t ¢ a ¢ l ¢ l ¢ a ¢ t ¢ i ¢ o ¢ n r ¢ a ¢ t ¢ e % = a ¢ c ¢...
Gespeichert in:
| Hauptverfasser: | , |
|---|---|
| Format: | Patent |
| Sprache: | eng ; fre ; ger |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| Zusammenfassung: | The subject invention provides:
a method for producing vinyl sulfonic acid, comprising conducting demetallation of vinyl sulfonate salt, wherein the demetallation rate is not less than 95% according to the following formula: D ¢ e ¢ m ¢ e ¢ t ¢ a ¢ l ¢ l ¢ a ¢ t ¢ i ¢ o ¢ n r ¢ a ¢ t ¢ e % = a ¢ c ¢ i ¢ d v ¢ a ¢ l ¢ u ¢ e a ¢ f ¢ t ¢ e ¢ r d ¢ e ¢ m ¢ e ¢ t ¢ a ¢ l ¢ l ¢ a ¢ t ¢ i ¢ o ¢ n / a ¢ c ¢ i ¢ d v ¢ a ¢ l ¢ u ¢ e b ¢ e ¢ f ¢ o ¢ r ¢ e d ¢ e ¢ m ¢ e ¢ t ¢ a ¢ l ¢ l ¢ a ¢ t ¢ i ¢ o ¢ n × 100 ;
a method for producing vinyl sulfonic acid, comprising conducting demetallation of vinyl sulfonate salt, wherein demetallation is carried out using a strongly acidic ion exchange resin; and
said method further comprising the step of purifying a product of the demetallation using a thin film evaporator. |
|---|