会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明授权
    • Preparation of homo- and copolymers of propene by means of a
Ziegler-Natta catalyst system
    • 通过齐格勒 - 纳塔催化剂体系制备丙烯的均聚物和共聚物
    • US5288824A
    • 1994-02-22
    • US934848
    • 1992-08-25
    • Juergen KerthRainer HemmerichPeter KoellePatrik Mueller
    • Juergen KerthRainer HemmerichPeter KoellePatrik Mueller
    • C08F4/658C08F4/02C08F4/60C08F4/647C08F4/652C08F10/00C08F10/06C08F4/64
    • C08F10/06
    • Polymers of propene are prepared using a Ziegler-Natta catalyst system comprising (1) titanium component which is based on a finely divided, shape-imparting silica gel and contains titan- ium, magnesium, chlorine and a benzenecarboxylic acid derivative, (2) an aluminum component and (3) a silane component. The process employs a titanium component (1) which is obtained by a method in which (1.1) first (I) a carrier is prepared from (Ia) a silica gel which has a relatively high moisture content, (Ib) an organomagnesium compound and (Ic) a gaseous chlorinating agent in a manner such that (1.1.1) first (Ia) is reacted with (Ib), (1.1.2) then (Ic) is passed into the mixture obtained from (1.1.1), (1.2) then a solid-phase intermediate is prepared from (I), (II) an alkanol, (III) titanium tetrachloride and (IV) a phthalic acid derivative in a manner such that (1.2.1) first (I) is reacted with (II), (1.2.2) then (III) is introduced into the mixture resulting from (1.2.1), with the proviso that (IV) is also introduced in (1.2.1) or (1.2.2), (1.3) then the solid-phase intermediate resulting from (1.2) is extracted with titanium tetrachloride or with a titanium tetrachloride/-hydrocarbon mixture and (1.4) finally the solid-phase product resulting from (1.3) is washed with a liquid hydrocarbon.
    • 使用齐格勒 - 纳塔催化剂体系制备丙烯聚合物,该催化剂体系包括(1)基于精细分散的形状赋予硅胶并含有钛,镁,氯和苯甲酸衍生物的钛组分,(2) 铝成分和(3)硅烷成分。 该方法采用通过以下方法得到的钛组分(1):其中(1.1)第一(I)载体由(Ia)由具有相对高的水分含量的硅胶制备,(Ib)有机镁化合物和 (Ic)气态氯化剂,使得(1.1.1)第一(Ia)与(Ib),(1.1.2)反应,然后(Ic)进入从(1.1.1)获得的混合物中, (1.2),然后以(I),(II)烷醇,(III)四氯化钛和(IV)邻苯二甲酸衍生物的方式制备固相中间体,使得(1.2.1)第一(I)为 与(II)反应,(1.2.2)然后将(III)引入由(1.2.1)得到的混合物中,条件是(IV)也引入(1.2.1)或(1.2.2) ,(1.3),然后用四氯化钛或四氯化钛/ - 烃混合物萃取由(1.2)得到的固相中间体,(1.4)最后将由(1.3)得到的固相产物用液体烃 。