Method for preparing hexafluoropropylene oxide oligomer

Method for preparing hexafluoropropylene oxide oligomer

The invention discloses a method for preparing hexafluoropropylene oxide oligomer. Alkali-metal fluoride salt, aprotic inertia polarity organic solvents, fluorine-containing organic solvents and perfluoro(2-methyl-3-oxahexanoyl)fluoride are used for preparing a homogeneous activation initiator, the...

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Hauptverfasser: LI YITAO, XU JUNXING, ZHENG BAOYE, LIU QUNFANG, FENG HAIBING, YANG FENG
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Sprache: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 LI YITAO
XU JUNXING
ZHENG BAOYE
LIU QUNFANG
FENG HAIBING
YANG FENG
description The invention discloses a method for preparing hexafluoropropylene oxide oligomer. Alkali-metal fluoride salt, aprotic inertia polarity organic solvents, fluorine-containing organic solvents and perfluoro(2-methyl-3-oxahexanoyl)fluoride are used for preparing a homogeneous activation initiator, the homogeneous activation initiator is used for initiating a hexafluoropropylene oxide monomer to have a polymerization reaction, and then the hexafluoropropylene oxide oligomer with a high molecular weight is obtained. Meanwhile, a part of products and related solvents are recycled, and an environment-friendly recycle production effect is achieved.
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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 hexafluoropropylene oxide oligomer
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