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    • 3. 发明授权
    • High use temperature nanocomposite resins
    • 高使用温度的纳米复合树脂
    • US07553904B2
    • 2009-06-30
    • US11225607
    • 2005-09-12
    • Joseph D. LichtenhanQibo LiuYan-Jyh LeeXuan FuSukhendu HaitJoseph J. SchwabRusty L. BlanskiPatrick N. Ruth
    • Joseph D. LichtenhanQibo LiuYan-Jyh LeeXuan FuSukhendu HaitJoseph J. SchwabRusty L. BlanskiPatrick N. Ruth
    • C08L83/00
    • C08K5/549Y10T428/31663
    • A method of using olefin containing nanostructured chemicals and silanol containing nanostructured chemicals as high temperature resins is described. Vinyl containing nanostructured chemicals are particularity effective in thermosets as they control the motions of polymer chains, and segments, at the molecular level. Silanol containing nanostructured chemicals are particularity effective in thermosets containing polar groups as the silanol can enhance the reactivity of these groups. Because of their tailorable compatibility with fluorinated polymers, nanostructured chemicals can be readily and selectively incorporated into polymers by direct blending and polymerization processes. The incorporation of a nanostructured chemical into a polymer favorably impacts a multitude of polymer physical properties. Properties most favorably improved are heat distortion and flammability characteristics, permeability, optical properties, texture, feel and durability. Other properties improved include time dependent mechanical and thermal properties such as creep, compression set, shrinkage, modulus, and hardness. In addition to mechanical properties, other physical properties are favorably improved, including lower thermal conductivity, and gas oxygen permeability. These improved properties may be useful in a number of applications, including composite materials, foams, cosmetics, and durable coatings.
    • 描述了使用含烯烃的纳米结构化学品和含硅烷醇的纳米结构化学品作为高温树脂的方法。 含乙烯基纳米结构化学品在热固性材料中特别有效,因为它们在分子水平上控制聚合物链和链段的运动。 含硅烷醇的纳米结构化学品在含极性基团的热固性材料中是特别有效的,因为硅烷醇可增强这些基团的反应性。 由于它们与氟化聚合物的可定制的相容性,纳米结构化学物质​​可以通过直接共混和聚合过程容易且选择性地引入到聚合物中。 将纳米结构化学物质​​掺入聚合物有利地影响了许多聚合物的物理性质。 性能最有利地提高了热变形和易燃特性,渗透性,光学性能,质地,手感和耐久性。 改进的其它性能包括时间依赖性机械和热性能,如蠕变,压缩永久变形,收缩率,模量和硬度。 除机械性能外,还有其他物理性能得到改善,包括较低的导热系数和气体透氧性。 这些改进的性质可用于许多应用,包括复合材料,泡沫,化妆品和耐用涂层。