The present invention relates to a resol resin consisting of at least one aromatic component with a phenolic OH group and at least one aldehyde component, wherein areas embedded in the resol resin matrix consisting of organically-modified polysiloxane, with said polysiloxane containing hydrocarbon groups that are at least partially bonded to said silicon in the form of non-substituted or substituted alkyl, alkenyl, aryl, arylalkyl or alkyl-aryl groups and that are not linked by covalent bonds to reactive groups of said resol resin. The invention additionally relates to molded articles manufactured from said resin, composites from a sheet material impregnated with said resin, which was subsequently hardened, as well as methods for manufacturing said resin, said molded articles, and said composites.