Syrup (meth) acrylic liquid for impregnating a fibrous substrate, method of impregnating a fibrous substrate, the composite material obtained after polymerization of said prepreg substrate.

The present invention relates to a syrup (meth) acrylic liquid impregnating a fibrous substrate. The present invention particularly relates to a viscous liquid syrup mainly containing methacrylic or acrylic components. The invention also relates to a method of manufacturing such a syrup. The invention further relates to a method of impregnating a fibrous substrate comprising long glass fibers with said viscous syrup. The invention also relates to a pre-impregnated fibrous substrate with said syrup which is useful for the manufacture of transparent parts for the particular building. The present invention also relates to a method for the manufacture of transparent parts obtained by this method.