| abstract |
PROBLEM TO BE SOLVED: To provide a carbon fiber strand which is less likely to generate fluff due to abrasion in a prepreg manufacturing process, is excellent in handleability, and is excellent in opening property when impregnated with a resin, and reinforced this carbon fiber strand. Provided are a prepreg used as a fiber and a molded product thereof. SOLUTION: A carbon fiber strand sized with a sizing agent containing a polyurethane resin and a polyether resin as essential components, a prepreg using the sized carbon fiber strand as a reinforcing fiber, and a thermosetting resin as a matrix , And molded articles thereof. |