-
公开(公告)号：US5064799A
公开(公告)日：1991-11-12
申请号：US637407
申请日：1991-01-04
申请人： Antonio Monte , Luciano Noristi
发明人： Antonio Monte , Luciano Noristi
CPC分类号： C08F10/00
摘要： Disclosed are catalyst components for the polymerization of olefins comprising the product of the reaction of a tetravalent titanium halide or alkoxy titanium halide and an electron-donor compound with a solid obtained by the reaction of a metal oxide containing surface hydroxyls, preferably together with chemically uncombined water, with an organometallic magnesium compound used in a quantity which does not cause reduction of the titanium in the subsequent reaction with the tetravalent titanium compound.
-
公开(公告)号：US5244854A
公开(公告)日：1993-09-14
申请号：US856775
申请日：1992-03-24
申请人： Luciano Noristi , Antonio Monte
发明人： Luciano Noristi , Antonio Monte
IPC分类号： C08F4/642 , C08F4/60 , C08F4/654 , C08F10/00 , C08F110/00
CPC分类号： C08F10/00
摘要： Catalyst components for the polymerization of olefins, obtained by reacting a tetravalent titanium halide or halogen alcoholate and an electron-donor compound with a solid comprising a porous metallic oxide containing hydroxyl groups on the surface, on which is supported a magnesium dihalide or a magnesium compound which does not contain Mg-C bonds and can be transformed into a dihalide, characterized in that the quantity of Mg supported on the oxide prior to the reaction with titanium compound, and present in the catalyst component after the reaction with the Ti compound, is from 5% to 12% weight with respect to the weight of the catalyst component.
摘要翻译： 通过使四价钛卤化物或卤素醇化物和电子给体化合物与包含表面上含有羟基的多孔金属氧化物的固体反应获得的用于烯烃聚合的催化剂组分，其上负载有二卤化镁或镁化合物 其不含Mg-C键并且可以转化成二卤化物，其特征在于，与钛化合物反应之前负载在氧化物上的Mg并与Ti化合物反应后存在于催化剂组分中的Mg的量为 相对于催化剂组分的重量为5重量％至12重量％。
-
公开(公告)号：US4328122A
公开(公告)日：1982-05-04
申请号：US206541
申请日：1980-11-13
申请人： Antonio Monte , Giuliano Cecchin
发明人： Antonio Monte , Giuliano Cecchin
CPC分类号： C08F4/022 , C08F110/00
摘要： Components of catalysts for polymerizing olefins are obtained by grinding together an anhydrous magnesium halide, an ester of an aromatic carboxylic acid and a silicon compound having alkenyl groups and alkoxy groups bound to the silicon atom, of the type of vinyl-triethoxy-silane, and by successively reacting the ground product with a halogenated titanium compound, liquid under the reaction conditions, such as TiCl.sub.4.The present invention provides not only the aforesaid catalyst components for the polymerization of olefins, but also catalysts obtained therefrom and the use of the same, particularly in the polymerization of the alpha-olefins CH.sub.2 .dbd.CHR wherein R is an alkyl or aryl radical with from 1 to 8 carbon atoms.In the case of the polymerization of alpha-olefins, the catalytic components, when mixed with organometallic aluminum compounds, yield final catalysts which result in an increase in the polymer yield without lowering the isotacticity index of the polymer.
摘要翻译： 用于聚合烯烃的催化剂的组分通过将无水卤化镁，芳族羧酸的酯和具有烯基的硅化合物和与硅原子结合的烷氧基的乙烯基 - 三乙氧基硅烷类型，以及 通过在诸如TiCl 4的反应条件下将研磨产物与卤化钛化合物，液体连续反应。 本发明不仅提供上述用于烯烃聚合的催化剂组分，还提供了由其获得的催化剂及其用途，特别是在α-烯烃CH 2 = CHR的聚合中，其中R是烷基或芳基， 1至8个碳原子。 在α-烯烃聚合的情况下，当与有机金属铝化合物混合时，催化组分产生最终的催化剂，导致聚合物产率的增加而不降低聚合物的全同立构规整度指数。
-
-
搜索结果
3 条记录 (耗时 0.011 秒)
