| abstract |
(57) [Problem] To provide a dibenzoylresorcinol compound useful as an ultraviolet absorber. SOLUTION: The compound of the following formula. Embedded image Wherein Ar 1 and Ar 2 are independently a substituted or unsubstituted monocyclic or polycyclic aryl group, and R is hydrogen, an aryl group or a linear or branched alkyl group having less than about 10 carbon atoms. A is a group derived from an alcohol or a carboxylic acid or a substituted or unsubstituted aryl group not containing a pendant hydroxyl group, and contains various functional groups that can be further reacted, for example, by copolymerization. obtain. The compounds are useful as UV absorbers and can be incorporated into coating compositions for substrates such as thermoplastics. |