VERFAHREN ZUR HERSTELLUNG EINES POLYACETALPOLYMEREN

VERFAHREN ZUR HERSTELLUNG EINES POLYACETALPOLYMEREN

When a crude polyacetal polymer obtained by polymerization or copolymerization and having as a principal component thereof connected oxymethylene radicals in a main chain is treated in a non-soluble liquid medium at temperatures higher than 80 DEG C but lower than the melting point of the polymer an...

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Hauptverfasser: HIGASHIYAMA, SEIICHI, NAKATSUJI, HIROSHI, GOTOH, NOBORU, KOMAZAWA, HIROYASU, HOTTA, HIROSHI, NAKASHIMA, TUNEYASU, YOKO, KIYOSHI
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Sprache:eng ; ger
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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 HIGASHIYAMA, SEIICHI
NAKATSUJI, HIROSHI
GOTOH, NOBORU
KOMAZAWA, HIROYASU
HOTTA, HIROSHI
NAKASHIMA, TUNEYASU
YOKO, KIYOSHI
description When a crude polyacetal polymer obtained by polymerization or copolymerization and having as a principal component thereof connected oxymethylene radicals in a main chain is treated in a non-soluble liquid medium at temperatures higher than 80 DEG C but lower than the melting point of the polymer and at heterogeneous equilibrium, contact treatment is carried out by moving the crude polymer and the non-soluble medium in opposite directions relative to each other.
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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 VERFAHREN ZUR HERSTELLUNG EINES POLYACETALPOLYMEREN
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