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    Polymeric insulating material and formed article making use of the material
    1.
    发明授权
    Polymeric insulating material and formed article making use of the material 失效
    聚合绝缘材料和使用该材料的成型制品

    公开(公告)号：US5476709A

    公开(公告)日：1995-12-19

    申请号：US73676

    申请日：1993-06-08

    申请人： Takeo Inoue ,  Shigeru Kimura ,  Tutomu Iwatani ,  Takayuki Yamada ,  Yukio Ishii ,  Ryuichi Sugimoto

    发明人： Takeo Inoue ,  Shigeru Kimura ,  Tutomu Iwatani ,  Takayuki Yamada ,  Yukio Ishii ,  Ryuichi Sugimoto

    IPC分类号： C08L23/12 ,  H01B3/44 ,  B32B7/02

    CPC分类号： C08L23/10 ,  C08L23/12 ,  H01B3/441 ,  C08L51/06 ,  C08L83/04 ,  C08L83/12 ,  Y10S428/91 ,  Y10T428/24975 ,  Y10T428/25

    摘要： The invention provides a polymeric insulating material having a high dielectric breakdown voltage. The material comprises polypropylene which has been obtained in a yield of at least 300,000 g/g-Ti based on titanium in a catalyst upon polymerization, contains ash in an amount not greater than 40 ppm by weight when analyzed by completely burning the polypropylene in air, said ash containing titanium in an amount not greater than 1 ppm by weight based on the weight of the polypropylene, and also contains chlorine in an amount not greater than 2 ppm by weight and boiling n-heptane soluble matter in an amount not smaller than 1 wt. % but not greater than 10 wt. %. According to the invention, it is possible to further improve the dielectric breakdown voltage by adding to the polypropylene an inorganic oxide or hydroxide free of particles of 10 .mu.m and greater in diameter and having an average particle size not greater than 1 .mu.m, an organopolysilane, a maleic-anhydride-grafted polypropylene, or a silane compound containing at least one organic polyether group.

    摘要翻译： 本发明提供了具有高绝缘击穿电压的聚合物绝缘材料。 该材料包括在聚合时以催化剂中钛为基准的至少300,000g / g-Ti的产率获得的聚丙烯，当通过在空气中完全燃烧聚丙烯进行分析时，含有不大于40ppm重量的灰分 所述灰分含量以聚丙烯重量计不超过1重量ppm，并且还含有不大于2重量ppm的氯和沸点正庚烷可溶物质量不小于 1重量％ ％但不大于10wt。 ％。 根据本发明，通过向聚丙烯中添加不含直径10μm以上的平均粒径为1μm以下的无机氧化物或氢氧化物，可以进一步提高介电击穿电压， 有机聚硅烷，马来酸酐接枝的聚丙烯或含有至少一个有机聚醚基团的硅烷化合物。

    Polymeric insulating material and formed article making use of the material
    2.
    发明授权
    Polymeric insulating material and formed article making use of the material 失效
    聚合绝缘材料和使用该材料的成型制品

    公开(公告)号：US5573840A

    公开(公告)日：1996-11-12

    申请号：US451394

    申请日：1995-05-26

    申请人： Takeo Inoue ,  Shigeru Kimura ,  Tutomu Iwatani ,  Takayuki Yamada ,  Yukio Ishii ,  Ryuichi Sugimoto

    发明人： Takeo Inoue ,  Shigeru Kimura ,  Tutomu Iwatani ,  Takayuki Yamada ,  Yukio Ishii ,  Ryuichi Sugimoto

    IPC分类号： C08L23/12 ,  H01B3/44 ,  B32B7/02

    CPC分类号： C08L23/10 ,  C08L23/12 ,  H01B3/441 ,  C08L51/06 ,  C08L83/04 ,  C08L83/12 ,  Y10S428/91 ,  Y10T428/24975 ,  Y10T428/25

    摘要： The invention provides a polymeric insulating material having a high dielectric breakdown voltage. The material comprises polypropylene which has been obtained in a yield of at least 300,000 g/g-Ti based on titanium in a catalyst upon polymerization, contains ash in an amount not greater than 40 ppm by weight when analyzed by completely burning the polypropylene in air, said ash containing titanium in an amount not greater than 1 ppm by weight based on the weight of the polypropylene, and also contains chlorine in an amount not greater than 2 ppm by weight and boiling n-heptane soluble matter in an amount not smaller than 1 wt. % but not greater than 10 wt. %. To further improve the dielectric breakdown voltage an inorganic oxide or hydroxide free of particles of 10 .mu.m and greater in diameter and having an average particle size not greater than 1 .mu.m, an organopolysilane, a maleic-anhydride-grafted polypropylene, or a silane compound containing at least one organic polyether group can be added to the polypropylene.

    摘要翻译： 本发明提供了具有高绝缘击穿电压的聚合物绝缘材料。 该材料包括在聚合时以催化剂中钛为基准的至少300,000g / g-Ti的产率获得的聚丙烯，当通过在空气中完全燃烧聚丙烯进行分析时，含有不大于40ppm重量的灰分 所述灰分含量以聚丙烯重量计不超过1重量ppm，并且还含有不大于2重量ppm的氯和沸点正庚烷可溶物质量不小于 1重量％ ％但不大于10wt。 ％。 为了进一步提高介电击穿电压，无机氧化物或氢氧化物不含直径10μm以上且平均粒径不大于1μm的颗粒，有机聚硅烷，马来酸酐接枝的聚丙烯或硅烷 可以将含有至少一个有机聚醚基团的化合物加入到聚丙烯中。

    Method for preparing block copolymers of propylene
    3.
    发明授权
    Method for preparing block copolymers of propylene 失效
    制备丙烯嵌段共聚物的方法

    公开(公告)号：US5175208A

    公开(公告)日：1992-12-29

    申请号：US377268

    申请日：1989-07-10

    申请人： Tadashi Asanuma ,  Mitsuru Ito ,  Tutomu Iwatani ,  Kaoru Kawanishi ,  Nobutaka Uchikawa ,  Shigeru Kimura ,  Ryuichi Sugimoto

    发明人： Tadashi Asanuma ,  Mitsuru Ito ,  Tutomu Iwatani ,  Kaoru Kawanishi ,  Nobutaka Uchikawa ,  Shigeru Kimura ,  Ryuichi Sugimoto

    IPC分类号： C08F297/08

    CPC分类号： C08F297/083

    摘要： An improved method for preparing block copolymers of propylene which comprises providing a polymerizer composed of at least two reaction vessels connected to one another, substantially homopolymerizing propylene in a first step and then copolymerizing ethylene and propylene in a second step in the presence of a stereoregular catalyst, characterized by carrying out the homopolymerization of propylene in the polymerizer composed of at least two reaction vessels connected to one another in series, then introducing the resulting polymer slurry into a countercurrent washing column and countercurrently washing the slurry with propylene, introducing the washed slurry withdrawn from the lower part of the washing column into a reaction vessel in the second step connected to the washing column and performing the polymerization of ethylene and propylene, of which ratio ranges from 15/85 to 95/5. According to this method, a block copolymer of propylene exhibiting excellent physical properties can be obtained efficiently.

    Propylene copolymer
    5.
    发明授权
    Propylene copolymer 失效
    丙烯共聚物

    公开(公告)号：US5219968A

    公开(公告)日：1993-06-15

    申请号：US777238

    申请日：1991-11-12

    申请人： Tetsunosuke Shiomura ,  Tadashi Asanuma ,  Masashiro Kouno ,  Norihide Inoue ,  Satoshi Fukushima ,  Yoshiho Sonobe ,  Kazumi Mizutani ,  Tutomu Iwatani ,  Ryuichi Sugimoto

    发明人： Tetsunosuke Shiomura ,  Tadashi Asanuma ,  Masashiro Kouno ,  Norihide Inoue ,  Satoshi Fukushima ,  Yoshiho Sonobe ,  Kazumi Mizutani ,  Tutomu Iwatani ,  Ryuichi Sugimoto

    IPC分类号： C08F4/659 ,  C08F4/6592 ,  C08F210/06

    CPC分类号： C08F210/06 ,  C08F4/65912 ,  C08F4/65927 ,  Y10S526/943

    摘要： A substantially syndiotactic propylene copolymer which comprises propylene and at least one cyclic diolefin having 6 to 25 carbon atoms or an alkadiene having 6 to 25 carbon atoms and at least one terminal double bond, in the .sup.13 C-NMR spectrum of the copolymer measured in a 1,2,4-trichlorobenzene solution, a peak intensity observed at about 20.2 ppm as the reference of tetramethylsilane at 0.0 ppm being 0.5 or more of the total peak intensity attributed to methyl groups of propylene; the content of the cyclic diolefin or the alkadiene being from 0.01 to 20 mol %; the intrinsic viscosity [.eta.] of the copolymer measured in a tetralin solution at 135.degree. C. being from 0.1 to 10 dl/g.This copolymer can contain an .alpha.-olefin other than propylene, particularly ethylene.

    摘要翻译： PCT PCT / JP91 / 00466 Sec。 371日期1991年11月12日 102（e）日期1991年11月12日PCT 1991年4月9日PCT PCT。 第WO91 / 15523号公报 日本1991年10月17日。在13 C-NMR光谱中包含丙烯和至少一种具有6至25个碳原子的环状二烯烃或具有6至25个碳原子和至少一个末端双键的链二烯的基本间同立构丙烯共聚物 在1,2,4-三氯苯溶液中测定的共聚物，作为0.0ppm的四甲基硅烷的参考值，在约20.2ppm处观察到的峰强度为归因于丙烯的甲基的总峰强度的0.5以上; 环状二烯烃或链二烯的含量为0.01〜20摩尔％ 在135℃下在四氢化萘溶液中测得的共聚物的特性粘度η为0.1-10dl / g。 该共聚物可以含有除丙烯以外的α-烯烃，特别是乙烯。