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    • 5. 发明申请
    • MODIFIED ZNO NANOPARTICLES
    • 改性ZNO纳米颗粒
    • US20120097068A1
    • 2012-04-26
    • US13379247
    • 2010-06-22
    • Richard RiggsAndrey KarpovSimon SchambonyWolfgang Best
    • Richard RiggsAndrey KarpovSimon SchambonyWolfgang Best
    • C08K5/541C09D191/06C07F3/06B82Y30/00
    • C09C1/043B82Y30/00C01P2004/64C01P2006/60C08K3/22C08K9/06C09D7/62
    • Process for the preparation of modified zinc oxide nanoparticles, which comprises reacting zinc oxide nanoparticles, which are dissolved in a solvent, in the presence of ammonia or amines with a tetraalkyl orthosilicate and optionally with an organosilane, with the proviso that the reaction takes place at a content of less than 5% by weight of water, based on the total amount of solvent and water. Modified zinc oxide nanoparticles which have Si—O-alkyl groups and are soluble in organic solvents, obtainable by this process for the preparation. Liquid or solid formulations which comprise modified ZnO nanoparticles. Inanimate organic materials, for example plastics or coatings, which comprise modified ZnO nanoparticles. Method of stabilizing inanimate organic materials against the effect of light, free radicals or heat, where 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,其包括将溶于溶剂中的氧化锌纳米颗粒在氨或胺与原硅酸四烷基酯和任选与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-烷基并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。 稳定无生命有机材料抵抗光,自由基或热的影响的方法,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纳米颗粒被加入材料中。
    • 6. 发明申请
    • PROCESS FOR PREPARING 1,6-HEXANEDIOL
    • 制备1,6-HEXANEDIOL的方法
    • US20120071624A1
    • 2012-03-22
    • US13303857
    • 2011-11-23
    • Rolf PINKOS
    • Rolf PINKOS
    • C08G18/28C08G63/183C08G63/52C07C31/20C08G63/16
    • C07C29/80C07C31/125
    • The invention provides 1,6-hexanediol having a proportion by weight of nitrogen of less than 5 ppm, and polymers obtained by reacting the 1,6-hexanediol with at least one reactive compound. The 1,6-hexanediol is obtained by distilling a mixture including 1,6-hexanediol and more than 500 ppm of at least one carboxylic acid, ester, or both, having a boiling point higher than that of the 1,6-hexanediol and being in contact with the 1,6-hexanediol at a temperature range greater than or equal to 100° C. for at least 5 minutes before, during, or before and during, the distillation, followed by collection of the 1,6-hexanediol. In certain embodiments of this invention, the 1,6-hexanediol has a proportion by weight of nitrogen of less than 3 ppm and less than 2 ppm.
    • 本发明提供一种重量比小于5ppm的1,6-己二醇,以及通过使1,6-己二醇与至少一种反应性化合物反应而获得的聚合物。 通过将沸点高于1,6-己二醇的沸点的1,6-己二醇和大于500ppm的至少一种羧酸酯或两者的混合物蒸馏得到1,6-己二醇, 在蒸馏之前,期间,之前和期间,在大于或等于100℃的温度范围内与1,6-己二醇接触至少5分钟,然后收集1,6-己二醇 。 在本发明的某些实施方案中,1,6-己二醇的氮重量比小于3ppm且小于2ppm。