Reaktionsgleichung
[Cl-].[Ca+2:2].[Cl-].[C:4]([O-:15])(=[O:14])[C:5]1[CH:13]=[CH:12][C:8]([C:9]([O-:11])=[O:10])=[CH:7][CH:6]=1.[Na+].[Na+]>>[C:4]([O-:15])(=[O:14])[C:5]1[CH:13]=[CH:12][C:8]([C:9]([O-:11])=[O:10])=[CH:7][CH:6]=1.[Ca+2:2]Komponenten
Reaktionsbedingungen
- Temperatur
- 200 °C
Versuchsvorschrift
Separately, 3.0 l of an aqueous 10% (v/v) calcium chloride solution was placed into a 20 l reactor equipped with a stirrer and 11.3 l of an aqueous 5% (w/v) sodium terephthalate solution was added with stirring. The precipitated calcium terephthalate trihydrate was collected by solid-liquid separation and heated for 2 hours at 200° C. to convert into the anhydrous salt. The resulting particles were plates of 2 to 4μ in thickness and 10 to 30μ in maximum diameter. A portion of the calcium terephthalate was ground on a ball mill for 1 hour, dispersed in ethylene glycol to form a 10% (w/v) slurry and classified through a centrifugal classifier of Kokusan type to obtain bulk anhydrous calcium terephthalate having an average diameter of 2.0μ.
Aufarbeitung
- customequipped with a stirrer
- customThe precipitated calcium terephthalate trihydrate was collected by solid-liquid separation
- customfor 1 hour
- additiondispersed in ethylene glycol
- customto form a 10% (w/v) slurry
Quellen und Nachweise
- ORD-Eintrag
- ord-10d4095b1f6d4d079cfa03fcc84d977b
- Quelldatensatz
- uspto-grants-1988_08
- Patentnummer
- US04767657
Verknüpfte Notizen
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