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
    • 97. 发明授权
    • Process for the production of polyolefins
    • 生产聚烯烃的方法
    • US5916982A
    • 1999-06-29
    • US722516
    • 1996-09-27
    • Osamu NakazawaAkira SanoKazuo Matsuura
    • Osamu NakazawaAkira SanoKazuo Matsuura
    • C08F4/619C08F4/6192C08F4/64C08F10/00
    • C08F10/00C08F4/61912C08F4/61916C08F4/61922Y10S526/943
    • A process for the production of polyolefins is provided which comprises polymerizing or copolymerizing olefins in the presence of a catalyst composition which includes a catalyst component (I) resulting from mutual contact of sub-components (A) and (B), and a catalyst component (II). Sub-component (A) is of the formulaR.sup.1.sub.p Me.sup.1 X.sup.1.sub.4-p and/or R.sup.1.sub.2 Me.sup.1 X.sup.1'and sub-component (B) is a modified organoaluminum compound having Al--O--Al bonds. Catalyst component (II) is an admixture of sub-component (C), which is a transition metal elemental compound of Groups VII-VIII, and one or more of triethylaluminum, triisobutylaluminum, diethyl zinc, n-butyllithium, and butylmagnesiumchloride. The catalyst components (I) and/or (II) are contacted with a carrier during or after the preparation of the components (I) and/or (II).
    • 提供了一种生产聚烯烃的方法,其包括在催化剂组合物存在下聚合或共聚烯烃,所述催化剂组合物包括由副组分(A)和(B)的相互接触产生的催化剂组分(I)和催化剂组分 (二)。 亚组分(A)为式R1pMe1X14-p和/或R12Me1X1',亚组分(B)为具有Al-O-Al键的改性有机铝化合物。 催化剂组分(II)是次级组分(C)的混合物,其为第VII-VIII族的过渡金属元素化合物和三乙基铝,三异丁基铝,二乙基锌,正丁基锂和丁基氯化镁中的一种或多种。 在组分(I)和/或(II)的制备期间或之后,催化剂组分(I)和/或(II)与载体接触。