FATTY ACID MODIFIED EPOXY RESIN AND POLYURETHANE TOUGHENING AGENT AND EPOXY RESIN COMPOSITION AND CURED PRODUCT THEREOF

摘要

The present invention relates to a fatty acid modified epoxy resin, a polyurethane-based toughening agent, an epoxy resin composition, and a cured product thereof. The polyurethane toughening agent according to the present invention has excellent compatibility with an epoxy resin and can improve mechanical strength.