| abstract |
A sort of coating compositions useful for absorbing ultraviolet light, comprizing: (a) at least one polybenzoylresorcinol up to 50% by weight having the formula; where each A is independently a substituted or unsubstituted monocyclic or polycyclic aromatic radicala have substituents selected from the group consisting of hydrogen, halogens, alkoxy groups, C1-8 alkyl groups and hydroxy groups and R is hydrogen or a linear or branched aliphatic chain having less than 10 carbons; and (b) a transparent polymer matrix compatible with said polybenzoylresorcinols, wherein said transparent polymer matrix is a polyurethane, polycarbonate, polystyrene, acrylic or methacrylic polymer or copolymer or a mixture thereof. |