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
    • 3. 发明申请
    • Process for the copolymerization of ethylene
    • 乙烯共聚方法
    • US20060167195A1
    • 2006-07-27
    • US10529532
    • 2003-09-10
    • Luigi ResconiNicoletta Mascellani
    • Luigi ResconiNicoletta Mascellani
    • C08F4/44
    • C08F210/16C08F4/65912Y10S526/941Y10S526/943C08F4/65927C08F210/14C08F2500/17C08F2500/03
    • A process for producing a copolymer of ethylene containing from 0.1 to 99% by mol of one or more derived units of alpha-olefins of formula CH2═CHA, wherein A is a C2-C20 alkyl radical, comprising contacting, under polymerization conditions, ethylene and one or more alpha-olefins in the presence of a catalyst system obtainable by contacting: a) a metallocene compound of formula (I): wherein M is zirconium, titanium or hafnium; X, same or different, is a hydrogen atom, a halogen atom, or an hydrocarbon group; R1, is a hydrocarbon group; R2 R3, R4, R5 and R6, are hydrogen atoms or hydrocarbon groups; Q is a radical of formula (II), being bonded to the indenyl at the position marked by the symbol *; (II) wherein: T1, T2, T3, T4 and T5, are carbon atoms (C) or nitrogen atoms (N); m1, m2, m3, m4 and m5 are 0 or 1; R7, R8, R9, R10 and R11 are hydrogen atoms or hydrocarbon groups; and b) an alumoxane or a compound capable of forming an alkyl metallocene cation.
    • 一种制备乙烯共聚物的方法,该乙烯共聚物含有0.1-99%(摩尔)一种或多种衍生的式CH 2 -CH 2的α-烯烃单元,其中A是C < 包括在聚合条件下使乙烯和一种或多种α-烯烃在催化剂体系的存在下接触,所述催化剂体系可通过以下方式获得:a)式(Ⅴ)的茂金属化合物 I):其中M是锆,钛或铪; X相同或不同,为氢原子,卤素原子或烃基; R 1是烃基; R 2,R 3,R 4,R 5和R 6都是 氢原子或烃基; Q是式(II)的基团,在由符号*标记的位置键合到茚基上; (II)其中:T 1,T 2,T 3,T 4和T 5 碳原子(C)或氮原子(N); m 1,m 2,m 3,m 4和m 5 5是 0或1; R 7,R 8,R 9,R 10和R 11均为 氢原子或烃基; 和b)铝氧烷或能够形成烷基茂金属阳离子的化合物。