METHOD FOR RECOVERING RAW MATERIAL FROM FLEXIBLE POLY(VINYL CHLORIDE)-BASED COLLECTED MATTER

PROBLEM TO BE SOLVED: To provide a method for recovering the raw material of high purity from a collected matter of flexible poly(vinyl chloride). SOLUTION: The method for recovering a raw material from a collected matter of flexible poly(vinyl chloride) comprises bringing the collected matter into...

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1. Verfasser:	OSADA FUMIO
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATERTREATMENT OR WASTE MANAGEMENT COMPOSITIONS BASED THEREON GENERAL PROCESSES OF COMPOUNDING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for recovering the raw material of high purity from a collected matter of flexible poly(vinyl chloride). SOLUTION: The method for recovering a raw material from a collected matter of flexible poly(vinyl chloride) comprises bringing the collected matter into contact with an alcoholic solvent and a nonalcoholic solvent under the supercritical state of the above nonalcoholic solvent and then separating the liquid part from a solid-liquid residue product obtained by releasing the supercritical state. COPYRIGHT: (C)2006,JPO&NCIPI