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61. 发明授权

US5869721A Bidentate coordinated trivalent Group IVB metal complex catalyst for preparing syndiotactic vinyl aromatic polymer 失效
标题翻译：用于制备间同立构乙烯基芳族聚合物的二齿配位三价ⅣB族金属络合物催化剂
公开(公告)号：US5869721A
公开(公告)日：1999-02-09
申请号：US881683
申请日：1997-06-23
申请人： Yi-Chun Chen , Jing C. Tsai , W. P. Chao
发明人： Yi-Chun Chen , Jing C. Tsai , W. P. Chao
IPC分类号： C07F17/00 , C08F4/642 , C08F12/04 , C07F7/00
CPC分类号： C07F17/00 , C08F12/04 , C08F12/08 , C08F2420/04 , Y10S526/943
摘要： A novel trivalent Group IVB metal complex for preparing syndiotactic vinyl aromatic polymers is disclosed which is coordinated by a bidentate ligand and is represented by the formula (I):(C.sub.5 R.sub.n H.sub.5-n)M(BD).sub.m Y.sub.p (I)wherein C.sub.5 R.sub.n H.sub.5-n is a substituted or unsubstituted cyclopentadienyl group, n is an integer between 0 and 5, and R is C.sub.1 to C.sub.12 alkyl, aryl, substituted alkyl, or substituted aryl; M is a trivalent Group IVB metal; (BD) is a bidentate ligand with -1 valence, having a coordinating group which is capable of forming a coordinating bond or a chelating bond with the metal M; Y is selected from the group consisting of alkyl, aryl, aralkyl, halogen and hydrogen; m is an integer of 1 or 2; and m+p=2.
摘要翻译：公开了一种用于制备间同立构乙烯基芳族聚合物的新型三价IVB族金属络合物，其由二齿配体配位并由式（I）表示：（C5RnH5-n）M（BD）mYp（I）其中C5RnH5-n为取代或未取代的环戊二烯基，n为0至5的整数，R为C 1至C 12烷基，芳基，取代的烷基或取代的芳基; M是三价IVB族金属; （BD）是具有-1价的双齿配体，具有能够与金属M形成配位键或螯合键的配位基; Y选自烷基，芳基，芳烷基，卤素和氢; m为1或2的整数; m + p = 2。

62. 发明授权

US5519099A Organometallic catalysts containing hydrotris(pyrazolyl) borate and cyclopentadienyl groups, and processes of employing the same 失效
标题翻译：含有氢三（吡唑基）硼酸酯和环戊二烯基的有机金属催化剂及其应用方法
公开(公告)号：US5519099A
公开(公告)日：1996-05-21
申请号：US481113
申请日：1995-06-07
申请人： Shian-Jy Wang , Yi-Chun Chen , Shu-Hua Chan , Jing-Cherng Tsai , Yu-Hwa E. Sheu
发明人： Shian-Jy Wang , Yi-Chun Chen , Shu-Hua Chan , Jing-Cherng Tsai , Yu-Hwa E. Sheu
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 catalyst composition is disclosed for catalyzing the polymerization and copolymerization reactions of ethylene monomers, with or without another olefin monomer. The catalyst composition comprises a metallocene compound represented by the the formula of (C.sub.5 R.sub.n H.sub.5-n)(L)MXY or the formula of (C.sub.5 R.sub.n H.sub.5-n)(L)MX.sup.+ A.sup.- ; wherein: (a) C.sub.5 R.sub.n H.sub.5-n is a substituted or unsubstituted cyclopendadienyl group; (b) L is tetrapyrazolyl borate, hydrotrispyrazolyl borate, dihydrotrispyrazolyl borate or hydrotris-3,5-dimethyl; (c) M is Group IIIB, Group IVB, or Group VB transitional metal; (d) X is a C.sub.1 to C.sub.4 alkyl or alkenyl group, an aromatic group, an alkylaryl, a halogen, a hydrogen, or a silane group; (e) Y, which can the same as or different from X, is a C.sub.1 to C.sub.4 alkyl or alkenyl group, an aromatic group, an alkylaryl, a halogen, a hydrogen, or a silane group; and (f) A.sup.- is non-coordinated or loosely coordinated bulky anion. Examples of the (C.sub.5 R.sub.n H.sub.5-n)(L)MXY and (C.sub.5 R.sub.n H.sub.5-n)(L)MX.sup.+ A.sup.- metallocene compounds are represented by the following formulas: ##STR1## respectively.
摘要翻译：公开了用于催化乙烯单体与或不与其它烯烃单体的聚合和共聚反应的催化剂组合物。催化剂组合物包含由式（C5RnH5-n）（L）MXY或式（C5RnH5-n）（L）MX + A-表示的茂金属化合物; 其中：（a）C5RnH5-n是取代或未取代的环戊二烯基; （b）L是四吡唑基硼酸盐，氢四唑基硼酸盐，二氢四吡啶基硼酸盐或氢化三-3,5-二甲基; （c）M为IIIB族，IVB族或VB族过渡金属; （d）X是C1-C4烷基或烯基，芳基，烷基芳基，卤素，氢或硅烷基; （e）与X相同或不同的Y为C1-C4烷基或烯基，芳基，烷基芳基，卤素，氢或硅烷基; 和（f）A-是非协调或松散配位的大体积阴离子。（C5RnH5-n）（L）MXY和（C5RnH5-n）（L）MX + A-茂金属化合物的实例分别由下式表示：和。

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