| abstract |
(57) [Summary] [Purpose] It shows outstandingly excellent solubility in resins and solvents, can be used in high concentrations, and has excellent organic substance stability, as well as excellent UV absorption performance. A liquid ultraviolet absorber comprising a 2- (2-hydroxyphenyl) benzotriazole compound represented by the following general formula [A]. (R represents hydrogen, chlorine or an alkyl group having 1 to 4 carbon atoms, R 1 represents a tertiary alkyl group having 4 or 5 carbon atoms, and R 2 represents a secondary alkyl group having 5 carbon atoms. Show.) |