Method for preparing methyl phenyl silicone oil by one-kettle method

Method for preparing methyl phenyl silicone oil by one-kettle method

The invention provides a method for preparing methyl phenyl silicone oil by a one-kettle method, which comprises the following steps: S100, at the temperature of 40-90 DEG C and in the presence of water and a first catalyst, reacting phenyl dialkoxy silane selected from methyl phenyl dimethoxy silan...

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Hauptverfasser: OUYANG JIANSONG, ZENG HUAN, WANG CHENXU, HE ZHIJIANG, WU CHAOBO, CHEN XIAOHUI, GAO HONGKAI, FAN HAIBING
Format: Patent
Sprache:chi ; eng
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CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator OUYANG JIANSONG
ZENG HUAN
WANG CHENXU
HE ZHIJIANG
WU CHAOBO
CHEN XIAOHUI
GAO HONGKAI
FAN HAIBING
description The invention provides a method for preparing methyl phenyl silicone oil by a one-kettle method, which comprises the following steps: S100, at the temperature of 40-90 DEG C and in the presence of water and a first catalyst, reacting phenyl dialkoxy silane selected from methyl phenyl dimethoxy silane and diphenyl dimethoxy silane with phenyl dialkoxy silane selected from dimethyl cyclosiloxane and alpha, beta-dimethylcyclosiloxane; the method comprises the following steps: carrying out hydrolysis reaction on a chain extender of alpha, omega-dihydroxy polydimethylsiloxane, and carrying out first low component removal treatment; s200, adding a second catalyst, and reacting at 70-160 DEG C; s300, carrying out second low-boiling-point removal treatment to obtain methyl phenyl silicone oil; wherein the first catalyst and the second catalyst are respectively and independently selected from tetramethylammonium hydroxide silicon alkoxide and potassium hydroxide silicon alkoxide; the method further comprises the step
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title Method for preparing methyl phenyl silicone oil by one-kettle method
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