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    • 1. 发明授权
    • Dispersion
    • 分散
    • US4790959A
    • 1988-12-13
    • US4856
    • 1987-01-12
    • Masao SasakiKaoru OnoderaHideki Inahata
    • Masao SasakiKaoru OnoderaHideki Inahata
    • G03C7/26B01J13/00C09K3/00G03C1/06G03C1/815F21V9/06
    • G03C1/8155
    • A dispersion of oil globules which contains an ultra-violet absorber and a high-boiling solvent is disclosed. The UV absorber is a mixture of 15 to 45 wt % of a compound of formula (I) and 85 to 55 wt % of a compound of formula (II): ##STR1## (wherein R.sub.1 and R.sub.2 each represents an alkyl group having 1 to 4 carbon atoms; X is a hydrogen atom, a halogen atom, a methyl group, an ethyl group, a methoxy group, an ethoxy group or an aryl group); ##STR2## (wherein R.sub.3 and R.sub.4 each represents an alkyl group, provided that the total number of carbon atoms in the alkyl groups represented by R.sub.3 and R.sub.4 is 9 or more; Y is a hydrogen atom, a halogen atom, a methyl group, an ethyl group, a methoxy group, an ethoxy group or an aryl group).
    • 公开了含有紫外吸收剂和高沸点溶剂的油球分散体。 UV吸收剂是15至45重量%的式(I)化合物和85至55重量%的式(II)化合物:(I)(其中R 1和R 2各自表示烷基 具有1至4个碳原子的基团; X是氢原子,卤素原子,甲基,乙基,甲氧基,乙氧基或芳基)。 (II)(其中R3和R4各自表示烷基,条件是由R3和R4表示的烷基中的碳原子总数为9以上; Y为氢原子,卤素原子, 甲基,乙基,甲氧基,乙氧基或芳基)。