Production technique of aliphatic polycarbonate resin

The invention discloses a manufacturing technique of aliphatic polycarbonate resin, which comprises the following steps: choosing carbon dioxide/epoxide as principal raw material; copolymerizing under function of activator; preparing the product; utilizing ring current sensing device to proceed inte...

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Bibliographic Details
Main Author BAOHUA,BA LIU
Format Patent
LanguageEnglish
Published 31.10.2007
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
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Summary:The invention discloses a manufacturing technique of aliphatic polycarbonate resin, which comprises the following steps: choosing carbon dioxide/epoxide as principal raw material; copolymerizing under function of activator; preparing the product; utilizing ring current sensing device to proceed intermittent operation; setting the main device as ring current sensing device, high pressure CO2 container, high pressure CO2 buffer tank, CO2 compressor, condenser and vapor-liquid separation device.
Bibliography:Application Number: CN2007120314