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    • 8. 发明授权
    • Ultraviolet absorber and coating material
    • 紫外吸收剂和涂料
    • US5627227A
    • 1997-05-06
    • US609558
    • 1996-03-01
    • Masanobu SugaTsuyoshi AsanoNobuyuki Kuroda
    • Masanobu SugaTsuyoshi AsanoNobuyuki Kuroda
    • C09K3/00C07F7/08C08K5/544C09D5/00C09D5/32C09D201/00C07D249/00C08K5/3495
    • C07F7/0854C08K5/5442
    • An ultraviolet absorber contains as an effective component a compound represented by the formula: ##STR1## wherein R.sup.1 denotes a hydrogen atom, a halogen atom or an alkyl group having 1 to 10 carbon atoms, R.sup.2 denotes a hydrogen atom or an alkyl group having 1 to 10 carbon atoms, R.sup.3 and R.sup.4 denote the same or different groups and denote an alkylene group having 1 to 10 carbon atoms, R.sup.5 to R.sup.9 denote the same or different groups and denote an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, and an aryl group having 6 to 10 carbon atoms, a hydroxyl group or a hydrogen atom, X denotes an amido bond (CONH), a urethane bond (OCONH) or an ester bond (COO), and n is an integer of n.gtoreq.0. A coating material contains the ultraviolet absorber.
    • 紫外线吸收剂作为有效成分含有由下式表示的化合物:其中,R1表示氢原子,卤素原子或碳原子数1〜10的烷基,R2表示氢原子或1价的烷基 至10个碳原子,R 3和R 4表示相同或不同的基团,表示碳原子数1〜10的亚烷基,R 5〜R 9表示相同或不同的基团,表示碳原子数1〜10的烷基,烷氧基 具有1至10个碳原子,具有6至10个碳原子的芳基,羟基或氢原子,X表示酰胺键(CONH),氨基甲酸酯键(OCONH)或酯键(COO),和 n是n> / = 0的整数。 涂料含有紫外线吸收剂。