公开(公告)号：US5905125A

公开(公告)日：1999-05-18

申请号：US882141

申请日：1997-06-25

申请人： Nobuhiro Tsujimoto ,  Takefumi Yano ,  Kazuhiro Akikawa ,  Chikara Kotani ,  Kei Tsukahara

发明人： Nobuhiro Tsujimoto ,  Takefumi Yano ,  Kazuhiro Akikawa ,  Chikara Kotani ,  Kei Tsukahara

IPC分类号： C08F4/70 ,  C08F4/80 ,  C08F136/06 ,  C08F136/00

CPC分类号： C08F136/06

摘要： A high cis-1,4-polybutadiene is produced, with reduced gel formation, by preparing a catalyst from (A) a cobalt compound, (B) a trialkyl (C.sub.1-10) aluminum compound, (C) a halide compound selected from those of formulae (1) and (2): (1) AlR.sup.2.sub.m X.sub.3-m, and (2) R.sup.3 --X, wherein R.sup.2 =C.sub.1-10 hydrocarbon, X=halogen, m=0 to 2, R.sup.3 =C.sub.1-40 hydrocarbon, and (D) water in an amount of 0.77 to 1.45 moles per mole of total Al in components (B) and (C); and polymerizing 1,3-butadiene in the presence of the resultant catalyst in a polymerization medium including an alkane, cycloalkane and/or olefin hydrocarbon.

摘要翻译： 通过从（A）钴化合物，（B）三烷基（C 1-10）铝化合物制备催化剂，（C）选自以下的卤化物化合物，制备高顺式-1,4-聚丁二烯，其凝胶形成减少： 式（1）和（2）的那些：（1）AlR2mX3-m和（2）R3-X，其中R2 = C1-10烃，X =卤素，m = 0至2，R3 = C1-40烃 和（D）组分（B）和（C）中每摩尔总Al为0.77至1.45摩尔的水; 并在所得催化剂存在下在包含烷烃，环烷烃和/或烯烃的聚合介质中聚合1,3-丁二烯。

公开(公告)号：US5468822A

公开(公告)日：1995-11-21

申请号：US193806

申请日：1994-02-08

申请人： Nohiro Tsujimoto ,  Kenichi Hongyo ,  Yoshisuke Baba ,  Michinori Suzuki ,  Kazuhiro Akikawa

发明人： Nohiro Tsujimoto ,  Kenichi Hongyo ,  Yoshisuke Baba ,  Michinori Suzuki ,  Kazuhiro Akikawa

IPC分类号： C08F2/18 ,  C08F36/06 ,  C08F136/06 ,  C08L9/00

CPC分类号： C08F36/06 ,  C08F136/06 ,  C08L9/00 ,  C08L2205/02 ,  Y10T428/2982

摘要： A 1,2-polybutadiene composition having an excellent reinforcing effect for rubber and synthetic resin materials including at least two polybutadiene components different in melting point from each other and each having, as a main structure, a 1,2-polybutadiene structure, produced by polymerizing a 1,3-butadiene-containing monomer in a water-containing polymerization system in the presence of a catalyst comprising a transition metal compound, an organic compound of one of the Group I to III metals, and one of carbon disulfide, phenyl isothiocyanate, and xanthic acid compounds, while adding a melting point-regulating agent comprising at least one of ketones, aldehydes, alcohols, esters, nitriles, sulfoxides, amides, and phosphoric acid esters in one or two or more separate adding operations or a continuous adding operation.

摘要翻译： 一种对橡胶和合成树脂材料具有优异的增强效果的1,2-聚丁二烯组合物，其包括彼此不同熔点的至少两种聚丁二烯组分，并且各自具有作为主要结构的1,2-聚丁二烯结构，其由 在包含过渡金属化合物，第I至III族金属之一的有机化合物和二硫化碳之一，异硫氰酸苯酯的催化剂存在下，在含水聚合体系中聚合含1,3-丁二烯的单体 和黄原酸化合物，同时在一个或两个或更多个单独的添加操作中添加包含酮，醛，醇，酯，腈，亚砜，酰胺和磷酸酯中的至少一种的熔点调节剂，或连续添加 操作。

公开(公告)号：US5346971A

公开(公告)日：1994-09-13

申请号：US59293

申请日：1993-05-11

申请人： Kenichi Hongyo ,  Michinori Suzuki ,  Kazuhiro Akikawa

发明人： Kenichi Hongyo ,  Michinori Suzuki ,  Kazuhiro Akikawa

IPC分类号： C08F2/18 ,  C08F136/06

CPC分类号： C08F136/06

摘要： A process for producing polybutadiene essentially consisted of syndiotactic-1,2-polybutadiene in an aqueous medium includes a step off polymerizing diene essentially consisted of 1,3-butadiene in the presence of: (A) a catalyst composition including (a) a transition metal compound, and (b) an organometallic compound which includes a metal selected from the elements consisting off groups 1, 2, 12, and 13 of Periodic Table; (B) an initiator comprising at least one component selected from a group consisting of carbon disulfide, an isothiocyanate compound, and a xanthogenic compound; and (C) an inert organic liquid having a density of at least 1.10, thereby resultant particles of syndiotactic-1,2-polybutadiene have a diameter up to 2 min.

摘要翻译： 在水性介质中基本上由间同立构1,2-聚丁二烯组成的聚丁二烯的制备方法包括：在（A）催化剂组合物的存在下，基本上由1,3-丁二烯组成的聚合二烯基聚合二烯：（a） 金属化合物，和（b）有机金属化合物，其包含选自元素周期表第1,2,12族和13族元素的金属; （B）包含至少一种选自二硫化碳，异硫氰酸酯化合物和致黄色化合物的组分的引发剂; 和（C）密度为至少1.10的惰性有机液体，从而得到间同立构1,2-聚丁二烯的颗粒直径达2分钟。