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    Selective hydrogenation catalyst and the preparation thereof
    3.
    发明授权
    Selective hydrogenation catalyst and the preparation thereof 有权
    选择性氢化催化剂及其制备方法

    公开(公告)号：US08211823B2

    公开(公告)日：2012-07-03

    申请号：US12747865

    申请日：2008-10-22

    申请人： Shunqin Liang ,  Limin Sun ,  Longgang Lv ,  Ying Qian ,  Yundi Zheng ,  Jie Wu ,  Tinghai Wang ,  Xiaoyan Li

    发明人： Shunqin Liang ,  Limin Sun ,  Longgang Lv ,  Ying Qian ,  Yundi Zheng ,  Jie Wu ,  Tinghai Wang ,  Xiaoyan Li

    IPC分类号： B01J23/00 ,  B01J21/00 ,  B01J20/00

    CPC分类号： B01J23/63 ,  B01J21/04 ,  B01J23/002 ,  B01J35/008 ,  B01J35/1038 ,  B01J37/0205 ,  B01J37/0207 ,  B01J2523/00 ,  C10G45/40 ,  C10G2400/02 ,  B01J2523/24 ,  B01J2523/31 ,  B01J2523/3706 ,  B01J2523/824 ,  B01J2523/22 ,  B01J2523/3712 ,  B01J2523/25

    摘要： A selective hydrogenation catalyst, with alumina as carrier, and palladium as active component that distributed on the surface of the carrier in an egg-shell form, characterized in that: provided that the catalyst is weighed 100%, it comprises 0.2-0.5 wt % active component Pd, 2-8 wt % aids lanthanum and/or cerium, and 2-8 wt % alkaline earth metal. The specific surface area of the catalyst is 70-150 m2/g, the pore volume is 0.3-0.6 ml/g, and the crystal form of the carrier may be θ form or θ, α mixed form mainly composed of θ form. The catalyst is suitable for the selective hydrogenation of medium or low distillate oil, especially for the first stage selective hydrogenation of pyrolysis gasoline. The catalyst has good hydrogenation performance, and can keep good hydrogenation activity and stability especially under the condition that the feed contains a small quantity of water, and the content of colloid, arsenic, and diolefin is higher.

    摘要翻译： 以氧化铝为载体的选择性氢化催化剂和以蛋壳形式分布在载体表面上的钯作为活性组分，其特征在于：如果催化剂称重为100％，则其包含0.2-0.5重量％ 活性组分Pd，2-8重量％有助于镧和/或铈，以及2-8重量％的碱土金属。 催化剂的比表面积为70-150m2 / g，孔体积为0.3-0.6ml / g，载体的晶体形式可以是; 形式或主题;α混合形式主要由＆thetas组成; 形成。 该催化剂适用于中等或低馏分油的选择性氢化，特别是热解汽油的第一阶段选择氢化。 该催化剂具有良好的氢化性能，特别是在含有少量水的条件下，可保持良好的氢化活性和稳定性，胶体，砷和二烯含量较高。

    Poly(aryletherimides) for negative birefringent films for LCDs
    6.
    发明申请
    Poly(aryletherimides) for negative birefringent films for LCDs 有权
    用于LCD的负双折射膜的聚（芳基酰亚胺）

    公开(公告)号：US20070014938A1

    公开(公告)日：2007-01-18

    申请号：US11488929

    申请日：2006-07-18

    申请人： Frank Harris ,  Limin Sun ,  Dong Zhang ,  Stephen Cheng

    发明人： Frank Harris ,  Limin Sun ,  Dong Zhang ,  Stephen Cheng

    IPC分类号： C09K19/00

    CPC分类号： C08G73/1039 ,  C08G73/1042 ,  C08G73/1067 ,  C08J5/18 ,  C08J2379/08 ,  G02B5/3083 ,  G02F1/133634 ,  Y10T428/1027 ,  Y10T428/1036 ,  Y10T428/1041 ,  Y10T428/31721

    摘要： A class of soluble poly(aryletherimides) (PAEIs) having flexible backbones, useful in the manufacture of polymeric optical films are disclosed. The poly(aryletherimides) are dissolved in organic solvents, such as ketones and ketone solvent mixtures and coated on variety of substrates such as triacetyl cellulose (TAC), to form clear thin-layer films which display negative birefringence. The thin films can serve as compensation layers in liquid crystal displays (LCDs), and can be combined with other types of optical films, such as polarizers, brightness enhancement films, or other compensation films, to from multi-layered films that are especially useful in the manufacture of LCDs.

    摘要翻译： 公开了一类可用于制造聚合物光学薄膜的可溶性聚（芳基酰亚胺）（PAEI）（PAEI）），其具有柔性主链。 将聚（芳基酰亚胺）溶于有机溶剂如酮和酮溶剂混合物中并涂覆在各种基材如三乙酰纤维素（TAC）上，以形成显示出负双折射的透明薄膜。 薄膜可以用作液晶显示器（LCD）中的补偿层，并且可以与其他类型的光学膜（例如偏振器，亮度增强膜或其他补偿膜）组合到特别有用的多层膜 在LCD的制造中。