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    Zinc Oxide Nanoparticles
    3.
    发明申请
    Zinc Oxide Nanoparticles 审中-公开
    氧化锌纳米颗粒

    公开(公告)号：US20080248289A1

    公开(公告)日：2008-10-09

    申请号：US11997260

    申请日：2006-10-26

    Applicant: Gerhard Jonschker ,  Matthias Koch

    Inventor： Gerhard Jonschker ,  Matthias Koch

    IPC: B32B5/16 ,  F21V9/06 ,  C08K7/00

    CPC classification number: C01G9/02 ,  B82Y30/00 ,  C01P2004/64 ,  C08K3/22 ,  C08K9/02 ,  C09C1/043 ,  Y10T428/256 ,  Y10T428/2993

    Abstract: The invention relates to zinc oxide nanoparticles having an average particle size in the range from 3 to 50 nm, dispersed in an organic solvent, according to one or more of claims 1 to 6, characterised in that in a step a) one or more precursors of the nanoparticles are converted into the nanoparticles in an alcohol, in a step b) the growth of the nanoparticles is terminated by addition of at least one modifier, which is a precursor of silica, when the absorption edge in the UV/VIS spectrum of the reaction solution has reached the desired value, in a step c) the silica coating is modified by addition of at least one further surface modifier selected from the group consisting of organofunctional silanes, quaternary ammonium compounds, phosphonates, phosphonium and sulfonium compounds or mixtures thereof, and optionally, in step d), the alcohol from step a) is removed and replaced by another organic solvent, to isolated nanoparticles, and to the use thereof for UV protection in polymers.

    Abstract translation: 本发明涉及根据权利要求1至6中一项或多项的平均粒度在3-50nm范围内的氧化锌纳米颗粒，其分散在有机溶剂中，其特征在于在步骤a）中，一种或多种前体 的纳米颗粒在醇中转化成纳米颗粒，在步骤b）中，当紫外/可见光谱中的吸收边缘在UV / VIS光谱中时，通过加入至少一种作为二氧化硅前体的改性剂来终止纳米颗粒的生长 在步骤c）中，反应溶液达到所需值，c）通过加入至少一种选自有机官能硅烷，季铵化合物，膦酸酯，鏻和锍化合物或其混合物的其它表面改性剂改性二氧化硅涂层 ，并且任选地在步骤d）中，将来自步骤a）的醇除去并用另一种有机溶剂代替分离的纳米颗粒，并将其用于聚合物中的UV保护 。

    Method for protecting a metallic substrate against corrosion
    4.
    发明授权
    Method for protecting a metallic substrate against corrosion 有权
    保护金属基材免受腐蚀的方法

    公开(公告)号：US06403164B1

    公开(公告)日：2002-06-11

    申请号：US09646467

    申请日：2000-09-18

    Applicant: Gerhard Jonschker ,  Stefan Langenfeld ,  Helmut Schmidt

    Inventor： Gerhard Jonschker ,  Stefan Langenfeld ,  Helmut Schmidt

    IPC: B05D302

    CPC classification number: C09D4/00 ,  C23C2222/20 ,  F28F19/02 ,  C08G77/00 ,  C08G77/04

    Abstract: Described is a process for protecting a metallic substrate against corrosion resulting in the formation of a species X, derived from the metal, wherein a coating composition based on (hetero)polysiloxanes prepared by hydrolysis and condensation processes is applied to the substrate and cured, and which is characterized in that the coating composition comprises at least one species Z which reacts or interacts with the metal to form a species Y having a more negative formation enthalpy than the species X.

    Abstract translation: 描述了一种用于保护金属基底免受腐蚀的过程，导致形成由金属衍生的物质X，其中基于通过水解和缩合方法制备的（异）聚硅氧烷的涂料组合物施加到基材上并固化， 其特征在于涂料组合物包含至少一种与金属反应或相互作用的物质Z，以形成具有比物种X更负的形成焓的物质Y.

    Nanocomposite for thermal insulation
    10.
    发明授权
    Nanocomposite for thermal insulation 有权
    纳米复合材料用于保温

    公开(公告)号：US06479156B1

    公开(公告)日：2002-11-12

    申请号：US09423782

    申请日：1999-11-12

    Applicant: Helmut Schmidt ,  Martin Mennig ,  Gerhard Jonschker

    Inventor： Helmut Schmidt ,  Martin Mennig ,  Gerhard Jonschker

    IPC: B32B1706

    CPC classification number: C09K21/00 ,  B32B17/069 ,  C03C14/004 ,  C03C14/008 ,  C03C2214/04 ,  C03C2214/17 ,  C03C2214/32 ,  C04B14/064 ,  C04B30/00 ,  C04B2111/28 ,  Y10S428/921 ,  Y10T428/2993 ,  C04B20/023

    Abstract: The invention relates to a nanocomposite for thermal insulation especially for fireproofing purposes, which can be obtained by combining (A) at least 35 wt. % of nanoscaled, optionally surface-modified particles of an inorganic compound; (B) 10-60 wt. % of a compound with at least two functional groups which can react and/or interact with the surface groups of nanoscaled particles (A), (C) 1-40 wt. % of water and/or an organic solvent which has no functional groups or only one which is defined in (B), wherein the above-mentioned percentages relate to the sum of components (A), (B) and (C), and (D)=0-10 wt. % (based on the nanocomposite) of additives.

    Abstract translation: 本发明涉及特别用于防火目的的用于隔热的纳米复合材料，其可以通过将（A）至少35重量％ ％的无机化合物的纳米尺度，任选的表面改性颗粒; （B）10-60wt。 具有至少两个能够与纳米尺寸颗粒（A），（C）的表面基团反应和/或相互作用的化合物的百分比1-40重量％ （A），（B）和（C）的总和的上述百分比与水（α），（B）和（C）的总和相关的水和/或没有官能团的有机溶剂或仅在（B） （D）= 0〜10重量％ ％（基于纳米复合材料）的添加剂。

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