METHOD FOR DEBROMINATING PLASTIC CONTAINING BROMINE COMPOUND

PROBLEM TO BE SOLVED: To provide a means for efficiently removing a brome compound from a plastic containing a bromine compound as a flame retardant, especially a styrene-based plastic. SOLUTION: The method for debrominating a plastic containing a bromine compound comprises (1) a process for heating...

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Bibliographic Details
Main Authors OWADA YUTAKA, KOGIN TAKASHI, SAKATA YUSAKU
Format Patent
LanguageEnglish
Published 22.12.2005
Edition7
Subjects
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
WORKING-UP
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Summary:PROBLEM TO BE SOLVED: To provide a means for efficiently removing a brome compound from a plastic containing a bromine compound as a flame retardant, especially a styrene-based plastic. SOLUTION: The method for debrominating a plastic containing a bromine compound comprises (1) a process for heating and melting the plastic containing the bromine compound, (2) a process for bringing the molten plastic containing the bromine compound into contact with water vapor in the presence of a hydrogenating agent to debrominate the plastic and (3) a process for recovering the debrominated plastic. COPYRIGHT: (C)2006,JPO&NCIPI
Bibliography:Application Number: JP20040173822