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
    • Process for preparing polyolefins
    • 聚烯烃的制备方法
    • US4022958A
    • 1977-05-10
    • US604442
    • 1975-08-13
    • Kazuo MatsuuraNobuyuki KurodaToru NakamuraMituji Miyoshi
    • Kazuo MatsuuraNobuyuki KurodaToru NakamuraMituji Miyoshi
    • C08F10/00C08F4/02C08F10/02
    • C08F10/00
    • The present invention relates to a process for preparing polyolefins using an improved polymerization catalyst. According to the invention, there is provided a process for preparing polyolefins by polymerizing or copolymerizing olefins using a catalyst prepared from a component with a titanium compound and/or a vanadium compound supported on a solid carrier and an organoaluminum compound and/or an organozinc compound, said solid carrier comprising a member selected from the group consisting of a reaction product A obtained by reacting (1) an organic carboxylate salt of magnesium and (2) an aluminum compound represented by the general formula Al(OR).sub.3 wherein R may be same as or different from each other and each R is an organic radical containing from 1 to 20 carbon atoms under such a condition that the aluminum compound is present in excess of a (2):(1) molar ratio of at least 1.6:1 and a reaction product B obtained by treating said reaction product A with a halogenating agent.
    • 本发明涉及使用改进的聚合催化剂制备聚烯烃的方法。 根据本发明,提供了一种通过使用由具有钛化合物和/或负载在固体载体上的钒化合物和有机铝化合物和/或有机锌化合物的组分制备的催化剂聚合或共聚烯烃来制备聚烯烃的方法 所述固体载体包含选自由以下组成的组的成员:(1)镁的有机羧酸盐与(2)由通式Al(OR)3表示的铝化合物反应得到的反应产物A,其中R可以是 相同或不同,每个R是含有1至20个碳原子的有机基团,条件是铝化合物以超过(2):(1)摩尔比为至少1.6:1 和通过用卤化剂处理所述反应产物A得到的反应产物B.