| 摘要 |
A powder coating composition comprising (I) an organic film-forming binder a nd (II) a sterically hindered amine compound selected, for example, from class (a- 1); (a-1) a compound of formula (A-1) in which m1 is 1, 2 or 4, if m1 is 1, E1 is C1-C25alkyl, if m1 is 2, E1 is C1-C14alkylene, and if m1 is 4, E1 is C4- C10alkanetetratyl.
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