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    • 6. 发明申请
    • Functionalized nanoparticles
    • 官能化纳米粒子
    • US20090099282A1
    • 2009-04-16
    • US11920295
    • 2006-05-17
    • Martin MullerAndreas MuhlebachThomas GiesenbergDidier BauerThomas RuchFrancois RimeLeonhard FeilerRoman LenzLaurent Michau
    • Martin MullerAndreas MuhlebachThomas GiesenbergDidier BauerThomas RuchFrancois RimeLeonhard FeilerRoman LenzLaurent Michau
    • C08K5/5419C04B16/00C08K5/00
    • C09B69/103C09B67/0097C09B68/20C09B68/443C09B69/10
    • The present invention discloses functionalized nanoparticles comprising on the surface a covalently bound radical of formula (1), wherein the nanoparticles are SiO2, Al2O3 or mixed SiO2 and Al2O3 nanoparticles, R1 and R2 are independently of each other hydrogen, nanoparticle surface-O—, or a substituent, n is 1, 2, 3, 4, 5, 6, 7 or 8, and Y is a radical of formula —B1-D1 (2a), wherein B1 is the direct bond or a bridge member, and D1 is a radical of a cationic dye, a radical of a phthalocyanine dye which carries no water-solubilizing group, or a radical of a fluorescent dye selected from the group consisting of coumarins, benzocoumarins, xanthenes, benzo[a]xanthenes, benzo[b]xanthenes, benzo[c]xanthenes, phenoxazines, benzo[a]phenoxazines, benzo[b]phenoxazines, benzo[c]phenoxazines, napthalimides, naphtholactams, azlactones, methines, oxazines, thiazines, diketopyrrolopyrroles, quinacridones, benzoxanthenes, thio-epindolines, lactamimides, diphenylmaleimides, acetoacetamides, imidazothiazines, benzanthrones, phthalimides, benzotriazoles, pyrimidines, pyrazines and triazines, or Y is a radical of formula —B2D2 (2b), wherein B2 is an organic radical comprising at least one group having a negative charge, and D2 is a cationic dye selected from the group consisting of monoazo, disazo, polyazo, methine, azamethine, diphenylmethane, triphenylmethane, triaminotriaryl methane, azine, oxazine, cyanine and anthraquinone dyes.
    • 本发明公开了在表面上包含式(1)的共价结合基团的官能化纳米颗粒,其中纳米颗粒是SiO 2,Al 2 O 3或混合的SiO 2和Al 2 O 3纳米颗粒,R 1和R 2彼此独立地是氢,纳米颗粒表面-O-, 或取代基,n为1,2,3,4,5,6,7或8,并且Y为式-B1-D1(2a)的基团,其中B1为直接键或桥式构件,D1为 是阳离子染料的自由基,不含水溶性基团的酞菁染料的基团,或选自香豆素,苯并香豆素,呫吨,苯并[a]呫吨,苯并[b 苯并[c]呫吨酮,苯并[c]呫吨酮,吩恶嗪,苯并[a]吩恶嗪,苯并[b]吩恶嗪,苯并[c]吩恶嗪,萘酰亚胺,萘并内酰胺,吖内酯,次甲基,恶嗪,噻嗪,二酮吡咯并吡咯,喹吖啶酮,苯并恶庚烯,硫代 - ,内酰胺,二苯基马来酰亚胺,乙酰乙酰胺,咪唑硫基 吖嗪,苯并呋喃,邻苯二甲酰亚胺,苯并三唑,嘧啶,吡嗪和三嗪,或Y是式-B2D2(2b)的基团,其中B2是包含至少一个具有负电荷的基团的有机基团,并且D2是选择的阳离子染料 来自由单偶氮,双偶氮,多偶氮,次甲基,氮杂酮,二苯基甲烷,三苯甲烷,三氨基三芳基甲烷,吖嗪,恶嗪,花青和蒽醌染料组成的组。