METHOD FOR DIRECTLY SYNTHESIZING ORGANOCHLOROSILANE

PROBLEM TO BE SOLVED: To obtain CuCl usable in direct synthesis of an organochlorosilane as an effective catalyst recycled from a copper-containing residue of the direct synthesis of the organochlorosilane by a simple method in high yield. SOLUTION: The copper from an aqueous suspension of the coppe...

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Bibliographische Detailangaben
Hauptverfasser:	GOETZE ULRICH, STRECKEL WILLIBALD, KALCHAUER WILFRIED, STRAUSBERGER HERBERT
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM APPARATUS THEREFOR CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY GENERAL METHODS OF ORGANIC CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To obtain CuCl usable in direct synthesis of an organochlorosilane as an effective catalyst recycled from a copper-containing residue of the direct synthesis of the organochlorosilane by a simple method in high yield. SOLUTION: The copper from an aqueous suspension of the copper-containing residue is oxidized by a mineral acid and an oxidant to CuCl2 in the first step for producing CuCl to provide a CuCl2 aqueous solution in which the mineral acid or the oxidant, or the mineral acid and the oxidant contain chlorine, and the resultant CuCl2 aqueous solution is reduced by an elemental iron to CuCl in the second step.