公开(公告)号：US4252925A

公开(公告)日：1981-02-24

申请号：US18748

申请日：1979-03-08

申请人： Mitsutoshi Fukuda ,  Kazuo Tago ,  Akihiko Shimizu

发明人： Mitsutoshi Fukuda ,  Kazuo Tago ,  Akihiko Shimizu

IPC分类号： C08G65/00 ,  C08F2/00 ,  C08F2/04 ,  C08F4/46 ,  C08F4/50 ,  C08G65/02 ,  C08G65/12 ,  C08G75/08 ,  C08F4/48

CPC分类号： C08G65/12 ,  C08F4/46 ,  C08F4/50 ,  C08G75/08

摘要： An anionic polymerization is carried out by polymerizing a monomer for anionic polymerization in a solvent in the presence of a polymerization initiator after preparing a polymerization system by an operation (I) adding a solution of an organometallic compound in a polymerization system of a solvent or a combination of a solvent and an inert gas and an operation (II) removing excess of the unreacted organometallic compound, before charging the monomer and the polymerization initiator.

摘要翻译： 阴离子聚合通过在制备聚合体系之后在聚合引发剂存在下在溶剂中聚合用于阴离子聚合的单体进行阴离子聚合，操作（I）在溶剂的聚合体系中加入有机金属化合物的溶液或 溶剂和惰性气体的组合以及在将单体和聚合引发剂加料之前，除去过量的未反应的有机金属化合物的操作（II）。

公开(公告)号：US4104455A

公开(公告)日：1978-08-01

申请号：US783003

申请日：1977-03-30

申请人： Mitsuru Nagasawa ,  Teruo Fujimoto ,  Kazuo Tago

发明人： Mitsuru Nagasawa ,  Teruo Fujimoto ,  Kazuo Tago

IPC分类号： C08F2/00 ,  C08F2/06 ,  C08F4/46 ,  C08F4/48 ,  C08F4/50

CPC分类号： C08F2/06

摘要： In the polymerization of an anionically polymerizable monomer using a polymerization system comprising a monomer and a polymerization solvent wherein an organometallic compound polymerization initiator, soluble in said polymerization system and having the formula:MeR.sub.xwherein Me is a metal selected from the group consisting of Groups I and II of the Periodic Table; R represents an alkyl or aryl group, or an aliphatic or aromatic hydrocarbon residue; and the integer x is 1 or 2; is added to said system, the improvement which comprises adding said organometallic compound as a solution comprising said organometallic compound dissolved in a high viscosity solvent having a viscosity higher than 1 cp at room temperature, and which dissolves slowly in said polymerization system.

摘要翻译： 在使用包含单体和聚合溶剂的聚合体系的阴离子聚合单体的聚合中，其中可溶于所述聚合体系中的具有下式的有机金属化合物聚合引发剂：

公开(公告)号：US3686350A

公开(公告)日：1972-08-22

申请号：US3686350D

申请日：1970-06-01

申请人： ISAO ONO ,  SHIZUO YAMADA ,  HIROYUKI ABE ,  KAZUO TAGO ,  NOBUKO KUNIHIRO

发明人： ONO ISAO ,  YAMADA SHIZUO ,  ABE HIROYUKI ,  TAGO KAZUO ,  KUNIHIRO NOBUKO

IPC分类号： B01J31/02 ,  B01J31/14 ,  B01J31/24 ,  C07C2/36 ,  C08F4/64 ,  C07C3/10

CPC分类号： C07C2/36 ,  B01J31/0214 ,  B01J31/0267 ,  B01J31/143 ,  B01J31/2404 ,  B01J2531/46 ,  C07C2531/02 ,  C07C2531/14 ,  C07C2531/24

摘要： A process in which an Alpha -olefin is dimerized or codimerized in the presence of a ternary catalyst consisting of (a) an alkyl-aluminum compound, (b) at least one titanate selected from the group consisting of the tetra-alkyl-titanates or tetraphenyl-titanates and (c) an organic phosphorus compound is disclosed.

摘要翻译： 在由（a）烷基铝化合物，（b）至少一种选自四烷基铝化合物的钛酸酯组成的三元催化剂存在下，将α-烯烃二聚或共二聚的方法， 钛酸盐或四苯基钛酸盐和（c）有机磷化合物。