Method for preparing alkoxy disilane by using organic silicon byproduct high-boiling-point substances

Method for preparing alkoxy disilane by using organic silicon byproduct high-boiling-point substances

The invention discloses a method for preparing alkoxy disilane by using organic silicon high-boiling-point substances. The method comprises the steps: distilling a fraction with the boiling point of 130-160 DEG C by rectifying the high-boiling-point substances to obtain chlorine-containing disilane;...

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Hauptverfasser: SHEN QIAN, KUANG JIANGUO, WANG WENJIN, DU BIN, YAO ZHONGPENG, XIN ZIJIE
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ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
CHEMISTRY
METALLURGY
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creator SHEN QIAN
KUANG JIANGUO
WANG WENJIN
DU BIN
YAO ZHONGPENG
XIN ZIJIE
description The invention discloses a method for preparing alkoxy disilane by using organic silicon high-boiling-point substances. The method comprises the steps: distilling a fraction with the boiling point of 130-160 DEG C by rectifying the high-boiling-point substances to obtain chlorine-containing disilane; adding the disilane compound into a reaction kettle, dropwise adding alcohol for alcoholysis, introducing nitrogen in the alcoholysis process to take out part of hydrogen chloride gas, removing residual acid by adopting a special neutralizer after alcoholysis is completed, and filtering to obtain alkoxy disilane and salt; and adding water into the neutralized salt, dissolving, adding sodium hydroxide to neutralize to be neutral, separating out a water layer, and distilling an oil layer to remove trace water to be reused as a special neutralizer. The method has the advantages that silane and disilane are separated through rectification of the high-boiling-point substances, refined application of the high-boiling-po
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subjects ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title Method for preparing alkoxy disilane by using organic silicon byproduct high-boiling-point substances
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