1results about "Ageing prevention agents addition" patented technology

Disclosed is a resin-impregnated fibrous material in the form of a sheet or a web, comprising an impregnating resin which comprises a) at least one resin component, which is selected from the group consisting of aminoplast resins and phenoplast resins and combinations thereof; and b) a concentrated aqueous polymer dispersion with an average particle size of less than 1000 nm comprising a polymer carrier prepared by heterophase radical polymerization of at least one ethylenically unsaturated monomer in the presence of components b1), b2) and b3); or an emulsion, comprising components b1), b2) and b3, an organic solvent and water; with b1) being at least one triazene-type light stabilizer of formula (I); b2) being at least one hindered amine-based light stabilizer; b3) being a non-ionic, cationic or anionic surfactant.