DOPO derivative isomer conversion method

The invention provides a DOPO derivative isomer conversion method. The method is characterized in that an aqueous solution of a heteropoly acid is added to a mixture containing a low-melting point isomer in order to convert the low-melting point isomer into a high-melting point isomer with higher ap...

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Bibliographische Detailangaben
Hauptverfasser:	YU SHUFANG, YUAN HANMENG, YIN YUEQIN, XU DONG, GUO XIN, ZHOU RONGJU, AN QINGXIAO, LIN QINLU, XU WEIZHEN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM ADHESIVES CHEMISTRY DYES MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS ORGANIC CHEMISTRY PAINTS POLISHES
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Beschreibung
Zusammenfassung:	The invention provides a DOPO derivative isomer conversion method. The method is characterized in that an aqueous solution of a heteropoly acid is added to a mixture containing a low-melting point isomer in order to convert the low-melting point isomer into a high-melting point isomer with higher application values, and the high-melting point isomer has better performances when used as a flame retardant. 本发明提供种DOPO衍生物异构体的转化方法，该方法在含有低熔点异构体的混合物中加入杂多酸水溶液，能够将低熔点的异构体转化为更加有应用价值的高熔点异构体，使其作为阻燃剂具有更好的性能。