Silicone based nanocomposites including inorganic nanoparticles and their methods of manufacture and use
    1.
    发明授权
    Silicone based nanocomposites including inorganic nanoparticles and their methods of manufacture and use 有权
    包括无机纳米颗粒在内的硅基纳米复合材料及其制造和使用方法

    公开(公告)号:US09187643B2

    公开(公告)日:2015-11-17

    申请号:US14359728

    申请日:2012-11-21

    摘要: Silicone-based nanocomposites that include a plurality of multimodal nanoparticles dispersed within a silicone-based polymeric matrix are provided. Each of the multimodal nanoparticle has a first plurality of long silicone compatible polymeric chains and a second plurality of short silicone compatible polymeric chains grafted onto a surface of a nanoparticle (e.g., an inorganic nanoparticle, such as silica, alumina, titania, indium tin oxide, CdSe, etc.), with the short silicone compatible polymeric chains present on each multimodal nanoparticle at a higher grafting density than the long silicone compatible polymeric chains. Methods are also provided for forming a silicone-based nanocomposite.

    摘要翻译: 提供了包含分散在硅氧烷基聚合物基质内的多个多峰纳米颗粒的基于硅氧烷的纳米复合材料。 每个多峰纳米颗粒具有第一多个长硅氧烷相容的聚合物链和接枝到纳米颗粒表面上的第二多个短硅氧烷相容的聚合物链(例如,无机纳米颗粒,例如二氧化硅,氧化铝,二氧化钛,氧化铟锡 ,CdSe等),其中短的硅氧烷相容的聚合物链以比长硅氧烷相容的聚合物链更高的接枝密度存在于每个多峰纳米颗粒上。 还提供了形成硅氧烷基纳米复合材料的方法。

    Nanofilled polymeric nanocomposites with tunable index of refraction
    2.
    发明授权
    Nanofilled polymeric nanocomposites with tunable index of refraction 有权
    具有可调折射率折射率的纳米聚合物纳米复合材料

    公开(公告)号:US08518473B2

    公开(公告)日:2013-08-27

    申请号:US13575419

    申请日:2011-01-27

    IPC分类号: C08K9/04

    摘要: The present invention includes a method for preparing a nanoparticle filled nanocomposite material, the method including the steps of providing a plurality of nanoparticles. attaching a first layer of organic ligand to the nanoparticle via a phosphate or phosphonate linkage, covalently attaching a second layer of matrix compatible polymer to said first layer of organic ligand to produce modified nanoparticles, providing a polymer matrix and dispersing the modified nanoparticles in the polymer matrix, wherein the dispersement of the modified nanoparticles into the polymer matrix results in a nanocomposite material, and wherein the modified nanoparticles are modified such that the first layer is proximal to the nanoparticle and the second layer is distal to the nanoparticle. Also within the scope of the invention are modified nanoparticles, alternative nanocomposite materials and methods of making the same.

    摘要翻译: 本发明包括一种制备纳米颗粒填充纳米复合材料的方法,该方法包括提供多个纳米颗粒的步骤。 将第一层有机配体通过磷酸盐或膦酸酯键连接到纳米颗粒上,将第二层基质相容性聚合物共价连接到所述第一层有机配体上以产生改性纳米颗粒,提供聚合物基质并将改性纳米颗粒分散在聚合物 基质,其中所述改性纳米粒子分散到所述聚合物基质中导致纳米复合材料,并且其中所述修饰的纳米颗粒被修饰,使得所述第一层接近所述纳米颗粒,并且所述第二层位于所述纳米颗粒的远侧。 还在本发明的范围内是改性纳米颗粒,替代纳米复合材料及其制备方法。

    NANOFILLED POLYMERIC NANOCOMPOSITES WITH TUNABLE INDEX OF REFRACTION
    3.
    发明申请
    NANOFILLED POLYMERIC NANOCOMPOSITES WITH TUNABLE INDEX OF REFRACTION 有权
    具有可弯曲折射率的纳米聚合物纳米复合材料

    公开(公告)号:US20120302700A1

    公开(公告)日:2012-11-29

    申请号:US13575419

    申请日:2011-01-27

    摘要: The present invention includes a method for preparing a nanoparticle filled nanocomposite material, the method including the steps of providing a plurality of nanoparticles. attaching a first layer of organic ligand to the nanoparticle via a phosphate or phosphonate linkage, covalently attaching a second layer of matrix compatible polymer to said first layer of organic ligand to produce modified nanoparticles, providing a polymer matrix and dispersing the modified nanoparticles in the polymer matrix, wherein the dispersement of the modified nanoparticles into the polymer matrix results in a nanocomposite material, and wherein the modified nanoparticles are modified such that the first layer is proximal to the nanoparticle and the second layer is distal to the nanoparticle. Also within the scope of the invention are modified nanoparticles, alternative nanocomposite materials and methods of making the same.

    摘要翻译: 本发明包括一种制备纳米颗粒填充纳米复合材料的方法,该方法包括提供多个纳米颗粒的步骤。 将第一层有机配体通过磷酸盐或膦酸酯键连接到纳米颗粒上,将第二层基质相容性聚合物共价连接到所述第一层有机配体上以产生改性纳米颗粒,提供聚合物基质并将改性纳米颗粒分散在聚合物 基质,其中所述改性纳米粒子分散到所述聚合物基质中导致纳米复合材料,并且其中所述修饰的纳米颗粒被修饰,使得所述第一层接近所述纳米颗粒,并且所述第二层位于所述纳米颗粒的远侧。 还在本发明的范围内是改性纳米颗粒,替代纳米复合材料及其制备方法。

    Block copolymer and nanofiller composites
    6.
    发明授权
    Block copolymer and nanofiller composites 有权
    嵌段共聚物和纳米填料复合材料

    公开(公告)号:US08974915B2

    公开(公告)日:2015-03-10

    申请号:US11080668

    申请日:2005-03-16

    IPC分类号: B32B15/08 B82Y30/00 C08K3/22

    摘要: PU/ZnO nanocomposites are provided wherein the addition of less than 1 vol % 33 nm ZnO nanoparticles into a PU matrix effect a decrease in the Young's Modulus and storage modulus of the polymer, while simultaneously effecting an increase glass transition temperature of the polymer. Detailed experiments are described (e.g., FTIR, DMTA, FESEM and AFM) that suggest that the reaction between hydroxyl groups of the ZnO nanoparticles and isocyanate groups of the polyurethane prepolymer disrupts the self-assembly of the phase separation in PU. Phase separation is responsible for the good mechanical properties of PU. Further, detailed experiments suggest that the increase of the glass transition temperature results from the crosslinking effect of the ZnO nanoparticles.

    摘要翻译: 提供了PU / ZnO纳米复合材料,其中将少于1体积%的33纳米ZnO纳米颗粒加入到PU基质中可以降低聚合物的杨氏模量和储能模量,同时会增加聚合物的玻璃化转变温度。 描述了详细的实验(例如,FTIR,DMTA,FESEM和AFM),其表明ZnO纳米颗粒的羟基与聚氨酯预聚物的异氰酸酯基团之间的反应破坏了PU中相分离的自组装。 相分离负责PU的良好机械性能。 此外,详细的实验表明,玻璃化转变温度的升高是由ZnO纳米颗粒的交联效应引起的。

    Tubular microstructures via controlled nanoparticle assembly
    7.
    发明授权
    Tubular microstructures via controlled nanoparticle assembly 有权
    通过受控纳米颗粒装配的管状微结构

    公开(公告)号:US06960378B1

    公开(公告)日:2005-11-01

    申请号:US10608892

    申请日:2003-06-27

    IPC分类号: A61M5/00 F26B5/06

    CPC分类号: F26B5/06 Y10T428/139

    摘要: A process for producing microtubes from nanoparticles includes forming a dispersion of the nanoparticles in a liquid phase and freeze-drying the dispersion to produce microtubes. The nanoparticles have surface functionality capable of self-bonding and bonding with the liquid phase during freeze-drying, particularly surface hydroxy functionality.

    摘要翻译: 从纳米颗粒生产微管的方法包括在液相中形成纳米颗粒的分散体并冷冻干燥分散体以产生微管。 纳米颗粒具有能够在冷冻干燥过程中与液相自粘合和结合的表面官能团,特别是表面羟基官能团。