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    • 9. 发明授权
    • Aryl-ureido benzoxazinone compounds
    • 芳基 - 脲基苯并嗪酮化合物
    • US07192471B2
    • 2007-03-20
    • US10949075
    • 2004-09-24
    • Thomas PotrawaJoachim Schulz
    • Thomas PotrawaJoachim Schulz
    • C09D11/00C09K11/06C07D265/22B41M3/14B44F1/12B32B9/00C09B69/00B42D15/10D21H21/40C08K5/3437
    • C09K11/06C07D265/22C09D11/037C09K2211/1007C09K2211/1033
    • Fluorescent pigment compounds comprising aryl-ureido benzoxazinone compounds of the general formula (I): wherein R1 is an substituted or unsubstituted aryl group, R2 and R3 are each independently selected from an H atom, an alkyl group, an alkoxy group, an alkylcarboxy group and a halogen atom, X is a carbon or sulfur atom and n is an integer of 1 or more. Many of the compounds of this class produce a yellow, generally deep yellow, emission at wavelengths of about 560 to about 585 nm when excited by an appropriate UV source. These compounds produce fluorescence making them useful as fluorescent pigments, those compounds providing emission wavelengths within the range of from about 560 to about 585 or higher when excited by a UV source are particularly useful. Those compounds having this emission spectra for the compounds makes these compounds particularly useful as pigments in security applications, particularly as pigments for use in security inks and fibers.
    • 包含通式(I)的芳基 - 脲基苯并嗪酮化合物的荧光颜料化合物:其中R 1是取代或未取代的芳基,R 2和R 3 各自独立地选自H原子,烷基,烷氧基,烷基羧基和卤素原子,X是碳或硫原子,n是1或更大的整数。 当通过适当的UV源激发时,这类化合物的许多化合物在约560至约585nm的波长下产生黄色,通常为深黄色的发射。 这些化合物产生荧光,使得它们可用作荧光颜料,当由UV源激发时,提供约560至约585或更高的发射波长的那些化合物是特别有用的。 具有化合物发射光谱的那些化合物使得这些化合物特别用作安全应用中的颜料,特别是用作安全油墨和纤维中的颜料。