PREPREG, INTERMEDIATE MATERIAL FOR FORMING FRP, AND METHOD FOR PRODUCTION THEREOF AND METHOD FOR PRODUCTION OF FIBER-REINFORCED COMPOSITE MATERIAL

• Main Authors: ITO AKIHIRO, SAITOU TADAYOSHI, GOTO KAZUYA, KOGA KAZUKI, TAKANO TSUNEO, WAKABAYASHI KOUKI
• Format: Patent
• Language: English
• Published: 27.02.2014
• Subjects: AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR; LAUNDERING; PERFORMING OPERATIONS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; TEXTILES; TRANSPORTING; 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; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

This invention relates to a prepreg containing a reinforcing fiber, a reinforcing fiber substrate in the form of a sheet and containing the reinforcing fiber, and a matrix resin, such that the matrix resin is impregnated into the reinforcing fiber substrate and also covers one surface of the reinforcing fiber substrate, and an impregnation ratio of the matrix resin is within a range of 35% to 95%.