에폭시 수지 조성물, 프리프레그, 섬유 강화 복합 재료 및 그 제조 방법

• Main Authors: SANO KENTARO, KURODA TAIKI, MORI AYUMI, KAMAE TOSHIYA
• Format: Patent
• Language: Korean
• Published: 19.12.2019
• Subjects: AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; GENERAL PROCESSES OF COMPOUNDING; MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONSONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; WORKING-UP

높은 내열성 및 외관 품위가 우수한 섬유 강화 복합 재료를 제공한다. 하기의 구성요소[A], [B], [C]를 포함하고, 조건(i), (ii)를 만족하는 섬유 강화 복합 재료용 에폭시 수지 조성물이다. [A] 3관능 이상의 에폭시 수지 [B] 방향족 아민 [C] 이미다졸 화합물 (i) 0.20≤b/a≤0.60 (ii) 0.002≤c/a≤0.014 (여기서, 전체 에폭시 수지 조성물 100g 중의 에폭시기 수를 a(mol), 구성요소[B]에 포함되는 활성수소 수를 b(mol), 구성요소[C]에 포함되는 이미다졸환 수를 c(mol)로 나타낸다.) Provided is a fiber-reinforced composite material exhibiting high heat resistance and excellent appearance quality. It is an epoxy resin composition which contains constituents [A], [B], and [C] and satisfies conditions (i) and (ii):[A] a tri- or higher functional epoxy resin[B] an aromatic amine[C] an imidazole compound(i) 0.20 ≤ b/a ≤ 0.60(ii) 0.002 ≤ c/a ≤ 0.014(where, a (mol) denotes the number of epoxy groups in 100 g of entire of the epoxy resin composition, b (mol) denotes the number of active hydrogen contained in the constituent [B], and c (mol) denotes the number of imidazole rings contained in the constituent [C]).