| 摘要 |
Vinylic hindered amine light stabilizers as novel polylmerizable light stabilizers are disclosed and have the general formula (I): wherein: R1 is C1to C8: alkyl, alkoxy, alkyl phenyl, hydroxy alkyl (all linear and branched), ally, acyl, cycloalkyl (cyclopentyl, cyclohexyl or cumyl: linear and branched); R2 is hydrogen and methyl, R3 is vinyl, C1-C4 vinyl alkyl [H2C=C(R4)C1-C4]; R4 is H, C1-C4 alkyl and alkyl phenyl and R5 is H, C1-C4 alkyl, X is 0, NH, C1-C8 alkyloxy and alkylamino: (linear or branched).
|
