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29 条记录 (耗时 0.037 秒)

    Process for the polymerization or copolymerization of ethylene using mao- or borate-free single site catalysts
    21.
    发明授权
    Process for the polymerization or copolymerization of ethylene using mao- or borate-free single site catalysts 失效
    使用无硼酸盐或无硼酸盐的单中心催化剂聚合或共聚乙烯的方法

    公开(公告)号：US5684098A

    公开(公告)日：1997-11-04

    申请号：US602206

    申请日：1996-02-15

    申请人： Shian-Jy Wang ,  Yi-Chun Chen ,  Shu-Hua Chan ,  Jing-Cheing Tsai ,  Ching Ting

    发明人： Shian-Jy Wang ,  Yi-Chun Chen ,  Shu-Hua Chan ,  Jing-Cheing Tsai ,  Ching Ting

    IPC分类号： C08F4/619 ,  C08F4/6192 ,  C08F4/62 ,  C08F4/622 ,  C08F4/64 ,  C08F4/642 ,  C08F10/00 ,  C08F10/02

    CPC分类号： C08F10/00 ,  C08F10/02 ,  C08F4/61908 ,  C08F4/61912 ,  C08F4/6192 ,  Y10S526/943

    摘要： A novel organometallic compound is disclosed which can be used, in conjunction with a trialkyl or bialkyl aluminum cocatalyst, for catalyzing the polymerization and copolymerization of ethylene without requiring the use of either methyl aluminoxane or borate as cocatalyst. The organometallic compound is represented by the formula of (C.sub.5 R.sub.n H.sub.5-n)(L)MX.sub.a Y.sub.b ; wherein: (a) C.sub.5 R.sub.n H.sub.5-n is a substituted or unsubstituted cyclopentadienyl group, in which n is an integer between 0 and 5, and R is C.sub.1 to C.sub.6 alkyl group; (b) L is tetrapyrazolyl borate, hydrotrispyrazolyl borate, dihydrobispyrazolyl borate or hydrotris(3,5-dimethylpyrazolyl) borate; (c) M is a Group IIIB, Group IVB, or Group VB transitional metal; (d) a and b are integers such that a+b=m-2, where m is the valance of M; and (e) X and Y, which can be the same of different from each other, are halogen atoms or ligands represented by the formula of ER.sup.1, where E is a Group VA or VIA element, and R.sup.1 is C.sub.1 to C.sub.6 alkyl group, aryl group or halogen-substituted aryl group. Preferably, M is a Group IVB transitional metal and a=b=1, and the organometallic compound is then represented by the formula of (C.sub.5 R.sub.n H.sub.5-n)(L)MXY.

    摘要翻译： 公开了一种可与三烷基或双烷基铝助催化剂结合使用的用于催化乙烯的聚合和共聚而不需要使用甲基铝氧烷或硼酸盐作为助催化剂的新型有机金属化合物。 有机金属化合物由式（C5RnH5-n）（L）MXaYb表示; 其中：（a）C5RnH5-n是取代或未取代的环戊二烯基，其中n是0和5之间的整数，R是C1-C6烷基; （b）L是四吡唑基硼酸盐，氢四唑基硼酸盐，二氢双吡唑基硼酸盐或氢化三（3,5-二甲基吡唑基）硼酸盐; （c）M是IIIB族，IVB族或VB族过渡金属; （d）a和b是整数，使得a + b = m-2，其中m是M的化合价; 和（e）可以彼此不同的X和Y是由式ER1表示的卤素原子或配体，其中E是VA族或VIA族，R1是C1-C6烷基， 芳基或卤素取代的芳基。 优选地，M是IVB族过渡金属，a = b = 1，有机金属化合物由式（C5RnH5-n）（L）MXY表示。

    Catalyst composition for preparing high syndiotacticity polystyrene from styrene of other arylethylene monomers and processes using the same
    22.
    发明授权
    Catalyst composition for preparing high syndiotacticity polystyrene from styrene of other arylethylene monomers and processes using the same 失效
    用于由其它芳基乙烯单体的苯乙烯制备高间同立构聚苯乙烯的催化剂组合物和使用其的方法

    公开(公告)号：US5644009A

    公开(公告)日：1997-07-01

    申请号：US563272

    申请日：1995-11-27

    申请人： Jing-Cherng Tsai ,  Shian-Jy Wang ,  Shu-Ling Peng ,  Mickey Sue

    发明人： Jing-Cherng Tsai ,  Shian-Jy Wang ,  Shu-Ling Peng ,  Mickey Sue

    IPC分类号： C08F4/642 ,  C08F4/646 ,  C08F4/658 ,  C08F4/659 ,  C08F10/00 ,  C08F12/04 ,  C08F12/08

    CPC分类号： C08F10/00 ,  C08F12/04 ,  C08F4/65904 ,  C08F4/65908 ,  C08F4/65912

    摘要： An catalyst composition for preparing high-syndiotacticity polystyrene polymers which comprises: (a) a titanium complex represented by the following formula of TiR'.sub.1 R'.sub.2 R'.sub.3 R'.sub.4 or TiR'.sub.1 R'.sub.2 R'.sub.3, wherein R'.sub.1, R'.sub.2, R'.sub.3, and R'.sub.4 are, independently, an alkyl group, an aryl group, an alkoxy group, an aryloxy group, an amino group, a hydrogen atom, or a halogen atom; (b) a cyclopentadienyl complex of silicon (Si), germanium (Ge), or tin (Sn) represented by the following formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are, independently, an alkyl group, an aryl group, a silyl group, a germanyl group, a stannyl group, or a halogen atom; R is an alkyl group, aryl group, a hydrogen atom, or a halogen element; and X can be one of the Group IVA elements of silicon (Si), germanium (Ge), or tin (Sn); and (c) an activated transitional metal co-catalyst, which can be methyl aluminoxane, or a mixture containing a non-coordinated Lewis add (a Lewis acid is an electron-pair donor) and a trialkyl aluminum, such as triethyl aluminum or tetraisobutyl aluminum.

    摘要翻译： 一种用于制备高间同立构聚苯乙烯聚合物的催化剂组合物，其包含：（a）由下式TiR'1R'2R'3R'4或TiR'1R'2R'3表示的钛络合物，其中R'1，R' 2，R'3和R '4独立地是烷基，芳基，烷氧基，芳氧基，氨基，氢原子或卤素原子; （b）由下式表示的硅（Si），锗（Ge）或锡（Sn）的环戊二烯基络合物：其中R 1，R 2，R 3和R 4独立地为烷基，芳基 基团，甲硅烷基，锗烷基，甲锡烷基或卤素原子; R是烷基，芳基，氢原子或卤素元素; X可以是硅（Si），锗（Ge）或锡（Sn）的IVA族元素之一; 和（c）活化的过渡金属助催化剂，其可以是甲基铝氧烷，或含有不协调的路易斯添加剂（路易斯酸是电子对供体）和三烷基铝的混合物，例如三乙基铝或四异丁基 铝。

    Single site catalyst with methyl aluminoxane or borate free and their applications for the preparation of polyolefins
    28.
    发明授权
    Single site catalyst with methyl aluminoxane or borate free and their applications for the preparation of polyolefins 失效
    具有甲基铝氧烷或无硼酸盐的单中心催化剂及其在制备聚烯烃中的应用

    公开(公告)号：US6150529A

    公开(公告)日：2000-11-21

    申请号：US249511

    申请日：1999-02-12

    申请人： Shian-Jy Wang ,  Yi-Chun Chen ,  Shu-Hua Chan ,  Jing-Cherng Tsai ,  Ching Ting

    发明人： Shian-Jy Wang ,  Yi-Chun Chen ,  Shu-Hua Chan ,  Jing-Cherng Tsai ,  Ching Ting

    IPC分类号： C07F5/02 ,  C07F7/00 ,  C07F17/00 ,  C07F19/00 ,  C08F4/64

    CPC分类号： C08F10/00 ,  C08F110/02 ,  C08F4/65912 ,  Y10S526/943

    摘要： A novel organometallic compound is disclosed which can be used, in conjunction with a trialkyl or bialkyl aluminum cocatalyst, for catalyzing the polymerization and copolymerization of ethylene without requiring the use of either methyl aluminoxane or borate as cocatalyst. The organometallic compound is represented by the formula of (C.sub.5 R.sub.n H.sub.5-n)(L)MX.sub.a Y.sub.b ; wherein: (a) C.sub.5 R.sub.n H.sub.5-n is a substituted or unsubstituted cyclopentadienyl group, in which n is an integer between 0 and 5, and R is C.sub.1 to C.sub.6 alkyl group; (b) L is tetrapyrazolyl borate, hydrotrispyrazolyl borate, dihydrobispyrazolyl borate or hydrotris(3,5-dimethylpyrazolyl) borate; (c) M is a Group IIIB, Grcup IVB, or Group VB transitional metal; (d) a and b are integers such that a+b=m-2, where m is the valance of M; and (e) X and Y, which can be the same of different from each other, are halogen atoms or ligands represented by the formula of ER.sup.1 or ER.sup.1 R.sup.2, where E is a Group VA or VIA element, and R.sup.1 and R.sup.2, which can be the same or different from each other, are C.sub.1 to C.sub.6 alkyl group or substituted aryl group. Preferably, M is a Group IVB transitional metal and a=b=1, and the organometallic compound is then represented by the formula of (C.sub.5 R.sub.n H.sub.5-n)(L)MXY.

    摘要翻译： 公开了一种可与三烷基或双烷基铝助催化剂结合使用的用于催化乙烯的聚合和共聚而不需要使用甲基铝氧烷或硼酸盐作为助催化剂的新型有机金属化合物。 有机金属化合物由式（C5RnH5-n）（L）MXaYb表示; 其中：（a）C5RnH5-n是取代或未取代的环戊二烯基，其中n是0和5之间的整数，R是C1-C6烷基; （b）L是四吡唑基硼酸盐，氢四唑基硼酸盐，二氢双吡唑基硼酸盐或氢化三（3,5-二甲基吡唑基）硼酸盐; （c）M是IIIB族，Grcup IVB族或VB族过渡金属; （d）a和b是整数，使得a + b = m-2，其中m是M的化合价; 和（e）可以彼此不同的X和Y是由式ER1或ER1R2表示的卤素原子或配体，其中E是VA族或VIA族，R1和R2可以 彼此相同或不同，为C1至C6烷基或取代的芳基。 优选地，M是IVB族过渡金属，a = b = 1，有机金属化合物由式（C5RnH5-n）（L）MXY表示。

    Single site catalysts with MAO or borate free and their application for polyolefins
    29.
    发明授权
    Single site catalysts with MAO or borate free and their application for polyolefins 失效
    具有MAO或无硼酸盐的单中心催化剂及其在聚烯烃中的应用

    公开(公告)号：US5891816A

    公开(公告)日：1999-04-06

    申请号：US897862

    申请日：1997-07-21

    申请人： Shian-Jy Wang ,  Yi-Chun Chen ,  Shu-Hua Chan ,  Jing-Cherng Tsai ,  Ching Ting

    发明人： Shian-Jy Wang ,  Yi-Chun Chen ,  Shu-Hua Chan ,  Jing-Cherng Tsai ,  Ching Ting

    IPC分类号： C07F5/02 ,  C07F7/00 ,  C07F17/00 ,  C07F19/00 ,  C08F4/64

    CPC分类号： C08F10/00 ,  C08F110/02 ,  C08F4/65912 ,  Y10S526/943

    摘要： A novel organometallic compound is disclosed which can be used, in conjunction with a trialkyl or bialkyl aluminum cocatalyst, for catalyzing the polymerization and copolymerization of ethylene without requiring the use of either methyl aluminoxane or borate as cocatalyst. The organometallic compound is represented by the formula of (CR.sub.5 R.sub.n H.sub.5-n)(L)MX.sub.a Y.sub.b ; wherein: (a) C.sub.5 R.sub.n H.sub.5-n is a substituted or unsubstituted cyclopentadienyl group, in which n is an integer between 0 and 5, and R is C.sub.1 to C.sub.6 alkyl group; (b) L is tetrapyrazolyl borate, hydrotrispyrazolyl borate, dihydrobispyrazolyl borate or hydrotris(3,5-dimethylpyrazolyl) borate; (c) M is a Group IIIB, Group IVB, or Group VB transitional metal; (d) a and b are integers such that a+b=m-2, where m is the valance of M; and (e) X and Y, which can be the same of different from each other, are halogen atoms or ligands represented by the formula of ER.sup.1, where E is a Group VA or VIA element, and R.sup.1 is C.sub.1 to C.sub.6 alkyl group, aryl group or halogen-substituted aryl group. Preferably, M is a Group IVB transitional metal and a=b=1, and the organometallic compound is then represented by the formula of (C.sub.5 R.sub.n H.sub.5-n)(L)MXY.

    摘要翻译： 公开了一种可与三烷基或双烷基铝助催化剂结合使用的用于催化乙烯的聚合和共聚而不需要使用甲基铝氧烷或硼酸盐作为助催化剂的新型有机金属化合物。 有机金属化合物由式（CR5RnH5-n）（L）MXaYb表示; 其中：（a）C5RnH5-n是取代或未取代的环戊二烯基，其中n是0和5之间的整数，R是C1-C6烷基; （b）L是四吡唑基硼酸盐，氢四唑基硼酸盐，二氢双吡唑基硼酸盐或氢化三（3,5-二甲基吡唑基）硼酸盐; （c）M是IIIB族，IVB族或VB族过渡金属; （d）a和b是整数，使得a + b = m-2，其中m是M的化合价; 和（e）可以彼此不同的X和Y是由式ER1表示的卤素原子或配体，其中E是VA族或VIA族，R1是C1-C6烷基， 芳基或卤素取代的芳基。 优选地，M是IVB族过渡金属，a = b = 1，有机金属化合物由式（C5RnH5-n）（L）MXY表示。