EPOXY RESIN HAVING SPECIFIC POLYGLYCEROL STRUCTURE AND EPOXY RESIN COMPOSITION INCLUDING THE SAME

PROBLEM TO BE SOLVED: To provide an epoxy resin having a specific polyglycerol structure and exhibiting excellent heat resistance and curability, and an epoxy resin composition using the epoxy resin and giving a cured product less colored after curing and excellent in flexibility when cured.SOLUTION...

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Bibliographische Detailangaben
Hauptverfasser:	NISHIYAMA NAOKI, TANO TAKAAKI, HATANAKA TAKASHI
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an epoxy resin having a specific polyglycerol structure and exhibiting excellent heat resistance and curability, and an epoxy resin composition using the epoxy resin and giving a cured product less colored after curing and excellent in flexibility when cured.SOLUTION: The epoxy resin is obtained by reacting polyglycerol, wherein a total concentration of triglycerol and tetraglycerol is ≥60 wt.%, with epihalohydrin. The epoxy resin composition includes the epoxy resin.