Epoxy resin composition derived from anhydrosugar alcohol composition and method for preparing the same and curable epoxy resin composition comprising the same and cured product thereof

• Main Authors: YOO SEUNG HYUN, RYU HOON, SONG GWANG SEOK, CHANG MIN JUNG, NOH JAE GUK
• Format: Patent
• Language: English; Korean
• Published: 12.09.2023
• Subjects: ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; ADHESIVES; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; DYES; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; POLISHES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF MATERIALS AS ADHESIVES

The present invention relates to an epoxy resin composition derived from an anhydrosugar alcohol composition, a manufacturing method thereof, a curable epoxy resin composition comprising the same and a cured product thereof, and more specifically, to an epoxy resin composition derived from an anhydrosugar alcohol composition, which is manufactured by reacting a mixture containing the biomass-derived anhydrous sugar alcohol composition and epihalohydrin at a weight ratio within a specific range, exhibits excellent eco-friendliness, high production yield, increased reactivity, and improved usability due to a liquid phase, and can improve shear strength by increasing the crosslinking density of a cured product when used in the curable epoxy resin composition, a manufacturing method thereof, a curable epoxy resin composition comprising the same and a cured product thereof. 본 발명은 무수당 알코올 조성물로부터 유래된 에폭시 수지 조성물 및 그 제조 방법, 및 이를 포함하는 경화성 에폭시 수지 조성물 및 이의 경화물에 관한 것으로, 보다 구체적으로는, 바이오매스 유래의 무수당 알코올 조성물과 에피할로히드린을 특정 범위 내의 중량비로 포함하는 혼합물을 반응시켜 제조되며, 우수한 친환경성, 높은 제조 수율, 증가된 반응성 및 액상으로 인한 향상된 사용성을 나타내며, 경화성 에폭시 수지 조성물에 사용시 그 경화물의 가교밀도를 높여 전단 강도를 향상시킬 수 있는 에폭시 수지 조성물 및 그 제조 방법, 및 이를 포함하는 경화성 에폭시 수지 조성물 및 이의 경화물에 관한 것이다.