知搜-全球专利检索

  1. 登录
  2. 注册

搜索结果

20 条记录 (耗时 0.014 秒)

    Highly conductive carbon nanotube having bundle moieties with ultra-low bulk density and its manufacturing method
    4.
    发明授权
    Highly conductive carbon nanotube having bundle moieties with ultra-low bulk density and its manufacturing method 有权
    具有超低体积密度的束部分的高导电性碳纳米管及其制造方法

    公开(公告)号：US09108851B2

    公开(公告)日：2015-08-18

    申请号：US13765373

    申请日：2013-02-12

    申请人： Dong Hwan Kim ,  Wan Sung Lee ,  Woo Ram Jung ,  Youngchan Jang

    发明人： Dong Hwan Kim ,  Wan Sung Lee ,  Woo Ram Jung ,  Youngchan Jang

    IPC分类号： C01B31/02 ,  B82Y30/00 ,  B82Y40/00

    CPC分类号： C01B31/0233 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/162

    摘要： The present invention relates to a highly conductive carbon nanotube having bundle moieties with ultra low apparent density less than 0.01 g/cc. More specifically, this invention relates to a highly conductive carbon nanotube prepared by following preparation steps of i) preparing the sphere shape of metal catalyst by spray pyrolysis of catalytic metal precursor solution including low molecular weight polymer, ii) synthesizing carbon nanotube using carbon source and obtained metal catalyst according to thermal chemical vapor deposition method; and iii) obtaining a highly conductive carbon nanotube having bundle moieties with ultra-low bulk apparent density.

    摘要翻译： 本发明涉及具有超低表观密度小于0.01g / cc的束部分的高导电性碳纳米管。 更具体地说，本发明涉及通过以下制备步骤制备的高导电性碳纳米管：i）通过包含低分子量聚合物的催化金属前体溶液的喷雾热解制备金属催化剂的球形，ii）使用碳源合成碳纳米管和 根据热化学气相沉积法获得金属催​​化剂; 和iii）获得具有超低体积表观密度的束部分的高导电性碳纳米管。

    Method of preparing cyclic olefin copolymer having controlled gel contents
    6.
    发明授权
    Method of preparing cyclic olefin copolymer having controlled gel contents 失效
    制备具有受控凝胶含量的环烯烃共聚物的方法

    公开(公告)号：US07468417B2

    公开(公告)日：2008-12-23

    申请号：US11467100

    申请日：2006-08-24

    申请人： Youngchan Jang ,  Hyun-Kyung Sung ,  Han Jin Kwag

    发明人： Youngchan Jang ,  Hyun-Kyung Sung ,  Han Jin Kwag

    IPC分类号： C08G61/08 ,  C08F2/38 ,  C08F4/78

    CPC分类号： C08G61/08

    摘要： The present invention relates to a method of preparing a copolymer having controlled gel content by polymerizing cyclic olefin compound by ROMP (Ring Opening Metathesis Polymerization), and more precisely, a method of preparing cyclic olefin copolymer with high yield, in which a complex prepared by mixing a W salt compound and an organoaluminum halide compound is used as a catalyst in the presence or absence of a molecular weight regulator, and a method of controlling gel formation by regulating the composition of cyclic olefin monomer composing a copolymer as shown in the following Empirical Formula 1 without using a reaction speed regulator or gel formation inhibitor. (Empirical Formula 1) Norbornene=30˜70 weight % Cyclic olefin compound=70˜30 weight % At this time, the cyclic olefin compound presented in the above Empirical Formula 1 is one or more compounds selected from a group consisting of dicyclopentadiene and compounds represented by the following Formula 1. Wherein, m is an integer of 0-1, R1 is C1-C5 alkyl and R2 is H or C1-C10 alkyl.

    摘要翻译： 本发明涉及通过ROMP（开环复分解聚合）聚合环烯烃化合物制备具有控制凝胶含量的共聚物的方法，更确切地说，一种以高产率制备环烯烃共聚物的方法，其中将由 在存在或不存在分子量调节剂的情况下，将W盐化合物和有机铝卤化物混合物用作催化剂，以及通过调节构成共聚物的环烯烃单体的组成来控制凝胶形成的方法，如以下实验 式1不使用反应速度调节剂或凝胶形成抑制剂。 （实验式1）降冰片烯= 30〜70重量％环状烯烃化合物= 70〜30重量％此时，上述实验式1中所示的环状烯烃化合物是选自二环戊二烯和化合物 其中m为0-1的整数，R1为C1-C5烷基，R2为H或C1-C10烷基。

    METHOD OF PREPARING CYCLIC OLEFIN COPOLYMER HAVING CONTROLLED GEL CONTENTS
    7.
    发明申请
    METHOD OF PREPARING CYCLIC OLEFIN COPOLYMER HAVING CONTROLLED GEL CONTENTS 失效
    制备具有控制凝胶含量的环状烯烃共聚物的方法

    公开(公告)号：US20070060730A1

    公开(公告)日：2007-03-15

    申请号：US11467100

    申请日：2006-08-24

    申请人： Youngchan Jang ,  Hyun-Kyung Sung ,  Han Kwag

    发明人： Youngchan Jang ,  Hyun-Kyung Sung ,  Han Kwag

    IPC分类号： C08F136/00

    CPC分类号： C08G61/08

    摘要： The present invention relates to a method of preparing a copolymer having controlled gel content by polymerizing cyclic olefin compound by ROMP (Ring Opening Metathesis Polymerization) and more precisely, a method of preparing cyclic olefin copolymer with high yield, in which a complex prepared by mixing a W salt compound and an organoaluminum halide compound is used as a catalyst in the presence or absence of a molecular weight regulator, and a method of controlling gel formation by regulating the composition of cyclic olefin monomer composing a copolymer as shown in the following Empirical Formula 1 without using a reaction speed regulator or gel formation inhibitor. (Empirical Formula 1) Norbornene=30˜70 weight % Cyclic olefin compound=70˜30 weight % At this time, the cyclic olefin compound presented in the above Empirical Formula 1 is one or more compounds selected from a group consisting of dicyclopentadiene and compounds represented by the following Formula 1. Wherein, m is an integer of 0−1, R1 is C1-C5 alkyl and R2 is H or C1-C10 alkyl.

    摘要翻译： 本发明涉及通过ROMP（开环复分解聚合）聚合环烯烃化合物制备具有控制凝胶含量的共聚物的方法，更准确地说，一种以高产率制备环烯烃共聚物的方法，其中通过混合 在存在或不存在分子量调节剂的情况下，使用W盐化合物和有机铝卤化物作为催化剂，以及通过调节构成共聚物的环烯烃单体的组成来控制凝胶形成的方法，如以下经验式 1，而不使用反应速度调节剂或凝胶形成抑制剂。 （实验式1）降冰片烯= 30〜70重量％环状烯烃化合物= 70〜30重量％此时，上述实验式1中所示的环状烯烃化合物是选自二环戊二烯和化合物 其中m为0-1的整数，R 1为C 1 -C 5烷基，R 1为C 1 -C 5烷基，R H 2是H或C 1 -C 10烷基。