| 摘要 |
A powder coating composition comprising (I) an organic film-forming binder and (II) a sterically hindered amine compound selected, for example, from class (a-1); (a-1) a compound of formula (A-1) in which m>1< is 1, 2 or 4, if m>1< is 1, E>1< is C>1<-C>25<alkyl, if m>1< is 2, E>1< is C>1<-C>14<alkylene, and if m>1< is 4, E>1< is C>4<-C>10<alkanetetratyl.
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