METHOD FOR PRODUCING LIGNIN-DERIVED EPOXY RESIN, LIGNIN-DERIVED EPOXY RESIN, EPOXY RESIN COMPOSITION AND CURED PRODUCT THEREOF

摘要

PROBLEM TO BE SOLVED: To provide a method for efficiently producing an epoxy resin from lignin obtained by heating to woody biomass in the presence of a base, an epoxy resin synthesized by the production method, the epoxy resin composition and a cured product thereof.;SOLUTION: The present invention provides a method for producing an epoxy resin by extracting, from lignin obtained by heating to woody biomass in the presence of a base, a component that is dissolved in a solvent mixture of alcohol and water, and reacting the extracted component with epihalohydrin.;SELECTED DRAWING: None;COPYRIGHT: (C)2019,JPO&INPIT