| abstract |
The invention relates to a method for manufacturing a prepreg comprising impregnating and photopolymerizing at least one reinforcement impregnated with a photopolymerizable composition comprising at least one resin having at least one carbon-carbon double bond -C = C- , and at least one photoinitiator B chosen from: Safranin O, methylene blue, and the new methylene blue, or a mixture thereof.n n n The invention also relates to the use of such a photominitor B for the manufacture of a prepreg, and the manufacture of a composite part from said impregnated product. |