| abstract |
PROBLEM TO BE SOLVED: To provide a partially impregnated prepreg suitable for producing a large-area member having a small number of voids with high productivity, which can be easily degassed. A partially impregnated prepreg comprising a sheet-like reinforcing fiber layer and a matrix resin layer, wherein at least 40% by volume of the reinforcing fibers are not impregnated, and the area coverage of the matrix resin layer is in the range of 70 to 99%. |