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
    • 7. 发明授权
    • Ziegler-natta catalyst systems containing organometallic compounds
    • 含有有机金属化合物的齐格勒 - 纳塔催化剂体系
    • US5296431A
    • 1994-03-22
    • US737741
    • 1991-07-30
    • Klaus-Dieter HungenbergJuergen Kerth
    • Klaus-Dieter HungenbergJuergen Kerth
    • C08F4/646C08F4/649C08F4/654C08F10/00C08F10/06
    • C08F10/00
    • Ziegler-Natta-type catalyst systems containing, as active constituents,a) a titanium-containing solid component which also contains magnesium, halogen and a carboxylic acid ester as electron donor,b) an aluminum component,c) a further electron-donor component, and, as an additional component,d) an organometallic compound of the general formula A or B ##STR1## where M.sup.1 is an element f rom main group I, and M.sup.2 is an element from main group II of the Periodic Table, and R.sup.1 and R.sup.2 are identical or different C.sub.1 -C.sub.10 -alkyl, C.sub.6 -C.sub.12 -aryl, C.sub.6 -C.sub.12 -arylalkyl, or 5- to 7-membered cycloalkyl, which may itself carry C.sub.1 -C.sub.8 -alkyl groups,can be used to prepare polymers which have, in particular, a low proportion of very fine grains.
    • 含有作为活性组分的齐格勒 - 纳塔型催化剂体系a)含镁的固体组分,其还含有镁,卤素和羧酸酯作为电子给体,b)铝组分,c)另外的电子给体组分 ,作为附加成分,d)通式A或B的有机金属化合物M1R1(A)M2R1R2(B),其中M1是主要组I的元素,M2是来自主组II的元素 周期表,R 1和R 2是相同或不同的C 1 -C 10 - 烷基,C 6 -C 12 - 芳基,C 6 -C 12 - 芳基烷基或5-至7-元环烷基,其本身可带有C 1 -C 8烷基, 用于制备具有特别低比例非常细晶粒的聚合物。