SIZING AGENT FOR CARBON FIBER, CARBON FIBER WITH IMPROVED INTERFACIAL ADHESION, POLYMERIZATION REACTION TYPE CARBON FIBER-REINFORCED POLYMER COMPOSITE MATERIAL USING SAME, AND PRODUCTION METHOD THEREFOR

• Main Authors: YI, Jin Woo, UM, Moon-Kwang, SEONG, Dong Gi, OH, Youngseok, LEE, Kangeun, PARK, Taehoon, KIM, Sangwoo
• Format: Patent
• Language: English; French; Korean
• Published: 31.05.2018
• Subjects: FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; LAUNDERING; TEXTILES; TREATMENT OF TEXTILES OR THE LIKE; TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS,FABRICS, FEATHERS, OR FIBROUS GOODS MADE FROM SUCH MATERIALS

The present invention relates to a sizing agent for carbon fibers, a carbon fiber with improved interfacial adhesion, a polymerization reaction type carbon fiber-reinforced polymer composite material using the same, and a production method therefor and, more specifically, to a sizing agent for carbon fibers, comprising a phenoxy resin and a block isocyanate compound prepared through a reaction of ε-caprolactam with one of two isocyanate groups of a diisocyanate compound, and the production of a carbon fiber with improved interfacial adhesion using the same, a polymerization reaction type carbon fiber-reinforced polymer composite material using the carbon fiber with improved interfacial adhesion, and a production method therefor. La présente invention concerne un agent d'encollage pour fibres de carbone, une fibre de carbone à adhérence interfaciale améliorée, un matériau composite polymère renforcé par une fibre de carbone de type à réaction de polymérisation utilisant la fibre de carbone et un procédé de production associé. La présente invention concerne plus précisément un agent d'encollage pour fibres de carbone contenant une résine phénoxy et un composé isocyanate séquencé préparé par réaction d'ε-caprolactame à un des deux groupes isocyanate d'un composé diisocyanate, la production d'une fibre de carbone à adhérence interfaciale améliorée utilisant l'agent d'encollage, un matériau composite polymère renforcé par une fibre de carbone de type à réaction de polymérisation utilisant la fibre de carbone à adhérence interfaciale améliorée et un procédé de production associé. 본원 발명은 탄소섬유용 사이징제, 계면접착력이 향상된 탄소섬유, 이를 이용한 중합 반응형 탄소섬유 강화 고분자 복합재료 및 이의 제조방법에 대한 것으로, 보다 구체적으로는 디이소시아네이트 화합물의 두개의 이소시아네이트기 중 하나의 이소시아네이트기와 ε-카프로락탐(caprolactam)의 반응을 통하여 제조되는 블록이소시아네이트 화합물과 페녹시 수지를 포함하는 탄소섬유용 사이징제 및 이를 이용한 계면접착력이 향상된 탄소섬유의 제조, 계면접착력이 향상된 탄소섬유를 이용한 중합 반응형 탄소섬유 강화 고분자 복합재료 및 이의 제조방법에 대한 것이다.