A METHOD OF DEVULCANIZING A RUBBER VULCANIZATE

The invention relates to a method of devulcanizing a rubber vulcanizate of main chains and sulfur-containing cross-links. The method comprises treating the rubber vulcanizate with a devulcanizing agent to a temperature sufficient to cause the devulcanizing agent to react with the sulfurofthe sulfur-...

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Bibliographische Detailangaben
Hauptverfasser:	SAIWARI SITISAIYIDAH, DIERKES WILMA KAROLA, NOORDERMEER JACOBUS WILHELMUS MARIA
Format:	Patent
Sprache:	eng
Schlagworte:	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 TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS WORKING-UP
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Beschreibung
Zusammenfassung:	The invention relates to a method of devulcanizing a rubber vulcanizate of main chains and sulfur-containing cross-links. The method comprises treating the rubber vulcanizate with a devulcanizing agent to a temperature sufficient to cause the devulcanizing agent to react with the sulfurofthe sulfur-containing cross-links and to substantially prevent abstraction of hydrogen atoms from the rubber vulcanizate main chains by contacting the rubber vulcanizate with an oxidation stabilizer. The method according to the invention provides a more efficient devulcanization, especially at high devulcanization temperatures.