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    • 2. 发明公开
    • MODIFIZIERTE ZNO-NANOPARTIKEL
    • 改性ZNO-NANOPARTIKEL
    • EP2445974A1
    • 2012-05-02
    • EP10725770.1
    • 2010-06-22
    • BASF SE
    • RIGGS, RichardKARPOV, AndreySCHAMBONY, SimonBEST, Wolfgang
    • C09C1/04
    • C09C1/043B82Y30/00C01P2004/64C01P2006/60C08K3/22C08K9/06C09D7/62
    • The invention relates to a method for producing modified zinc oxide nanoparticles, characterized in that the zinc oxide nanoparticles, which are dissolved in a solvent, are reacted in the presence of ammonia or amines with a tetraalkyl-orthosilicate, and optionally with an organosilane, under the proviso that the reaction takes place at a content of less than 5% by weight water, relative to the total quantity of solvent and water. Said production method can be used to obtain modified zinc oxide nanoparticles, which comprise Si-O-alkyl groups and can be solved in organic solvents. In addition, liquid or solid formulations containing modified ZnO nanoparticles can be obtained. Inanimate organic materials, such as plastics or paints, containing modified ZnO nanoparticles may also be obtained. The invention further relates to a method for stabilizing inanimate organic materials against the effects of light, radicals or heat, wherein modified ZnO nanoparticles, which optionally comprise UV absorbers and/or stabilizers as further additives, are added to the materials.
    • 制备改性氧化锌纳米颗粒的方法,其包括将溶于溶剂的氧化锌纳米颗粒在氨或胺与原硅酸四烷基酯和任选的有机硅烷的存在下反应,条件是反应发生在 基于溶剂和水的总量小于5重量%的水的含量。 具有Si-O-烷基且可溶于有机溶剂的改性氧化锌纳米颗粒,可通过该制备方法获得。 包含改性ZnO纳米颗粒的液体或固体制剂。 无生命的有机材料,例如塑料或涂层,其包含改性的ZnO纳米颗粒。 对于光,自由基或热的影响稳定无生命有机材料的方法,其中任选地包含UV吸收剂和/或稳定剂作为其它添加剂的改性ZnO纳米颗粒被加入到材料中。
    • 4. 发明授权
    • STABILISATORMISCHUNG
    • EP1976925B1
    • 2009-05-27
    • EP07703822.2
    • 2007-01-12
    • BASF SE
    • SCHAMBONY, SimonGLASER, AlbanTRAUTH, HubertAPPEL, ManfredHAREMZA, Sylke
    • C08K5/3435C08K5/00
    • C08K5/3435C07B63/04C07D211/58C08K5/34C08K2201/014C08L23/12C08L2201/08C09D7/48C09D7/65C09K15/20C09K15/30
    • A mixture comprising A. at least one oligomeric compound comprising repeat units of the formula (I) in which the symbols are each defined as follows: R1 is hydrogen, C1- to C6-alkyl, formyl, C2- to C6-alkanoyl, C1- to C12-alkoxy, C5- to C6-cycloalkoxy, cyanomethyl, 2-hydroxyethyl, benzyl or a radical of the formula -CR'=CH-CO-OR' where R' is hydrogen, C1- to C6-alkyl or a radical of the formula -CO-OR', and R' is C1- to C18-alkyl, C5- to C8-cycloalkyl, C7- to C18-aralkyl, phenyl or tolyl; R2 is a mixture of C14- to C28-alkyl groups, where two of these alkyl groups, which must not differ by more than two carbon atoms, each make up at least 30% of this mixture; R3, R4 are each independently C1- to C6-alkyl; and B. at least one compound of the formula (II) or (III) where the symbols and indices are each defined as follows: n, m are each independently a natural number from 2 to 22 and R1, R3, R4 are each independently defined as specified in formula (I); is suitable as stabilizers for organic material.
    • 用于有机材料的合适的稳定剂是包含A.至少一种低聚化合物的混合物,其包含式(I)的重复单元,其中符号的含义如下:R 1是氢,C 1 -C 6 - 烷基,甲酰基, C 2 -C 6 - 烷酰基,C 1 -C 12 - 烷氧基,C 5 -C 6 - 环烷氧基,氰基甲基,2-羟基乙基,苄基或式-CR'= CH-CO-OR的基团,其中R'是氢, C 6 - 烷基或式-CO-OR基团,R“为C 1 -C 18烷基,C 5 -C 8 - 环烷基,C 7 -C 18 - 芳烷基,苯基或甲苯基; R2是由C14-C28-烷基组成的混合物,其中不允许两个以上碳原子数不同的烷基中的两个分别构成该混合物的至少30% R3和R4彼此独立地为C1-C6-烷基; 和B.至少一种式(II)或(III)的化合物,其中符号和指数的含义如下:n和m彼此独立地是2-22的自然数,R1, R 3和R 4彼此独立地具有式(I)中给出的含义。