PROCESS FOR THE CHLORINATION OF POLYMERS

PROCESS FOR THE CHLORINATION OF POLYMERS

Solid organic polymers are chlorinated with chlorine to give chlorinated polymers in the presence of a solvent which contains from 20 to 100% by weight of phosgene and in which the polymer is dissolved or suspended, at or below the boiling point of the mixture of chlorine and solvent, by initiating...

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1. Verfasser: BRONSTERT, KLAUS
Format: Patent
Sprache:eng ; ger
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CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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description Solid organic polymers are chlorinated with chlorine to give chlorinated polymers in the presence of a solvent which contains from 20 to 100% by weight of phosgene and in which the polymer is dissolved or suspended, at or below the boiling point of the mixture of chlorine and solvent, by initiating the reaction with actinic light or another initiator which produces free radicals. A mixture of not less than 50% by weight of phosgene and a chlorofluorocarbon or chlorofluorohydrocarbon, such as chlorotrifluoromethane, can also be used as the solvent, but phosgene is most suitable.
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subjects CHEMISTRY
COMPOSITIONS BASED THEREON
MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
title PROCESS FOR THE CHLORINATION OF POLYMERS
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