Ethylene/alpha-olefins block interpolymers
    3.
    发明申请
    Ethylene/alpha-olefins block interpolymers 有权
    乙烯/α-烯烃嵌段互聚物

    公开(公告)号:US20060199930A1

    公开(公告)日:2006-09-07

    申请号:US11376835

    申请日:2006-03-15

    IPC分类号: C08F112/02

    CPC分类号: C08F212/08

    摘要: Embodiments of the invention provide a class of ethylene/α-olefin block interpolymers. The ethylene/α-olefin interpolymers are characterized by an average block index, ABI, which is greater than zero and up to about 1.0 and a molecular weight distribution, Mw/Mn, greater than about 1.3. Preferably, the block index is from about 0.2 to about 1. In addition or alternatively, the block ethylene/α-olefin interpolymer is characterized by having at least one fraction obtained by Temperature Rising Elution Fractionation (“TREF”), wherein the fraction has a block index greater than about 0.3 and up to about 1.0 and the ethylene/α-olefin interpolymer has a molecular weight distribution, Mw/Mn, greater than about 1.3.

    摘要翻译: 本发明的实施方案提供一类乙烯/α-烯烃嵌段互聚物。 乙烯/α-烯烃互聚物的特征在于平均嵌段指数ABI,其大于零并且高达约1.0,分子量分布为M / SUB>,大于约1.3。 优选地,嵌段指数为约0.2至约1.另外或替代地,嵌段乙烯/α-烯烃互聚物的特征在于具有通过升温洗脱分级(“TREF”)获得的至少一个馏分,其中部分具有 大于约0.3且高达约1.0的嵌段指数,并且所述乙烯/α-烯烃互聚物具有大于约1.3的分子量分布,M分子量 。

    Processes of Controlling Molecular Weight Distribution in Ethylene/Alpha-Olefin Compositions
    4.
    发明申请
    Processes of Controlling Molecular Weight Distribution in Ethylene/Alpha-Olefin Compositions 有权
    控制乙烯/α-烯烃组合物中分子量分布的方法

    公开(公告)号:US20070135575A1

    公开(公告)日:2007-06-14

    申请号:US11608171

    申请日:2006-12-07

    IPC分类号: C08F8/00

    摘要: The present invention relates to compositions and processes of making polymers having a controlled molecular weight distribution. The molecular weight distribution is controlled, for example, by controlling the relative monomer concentrations during contact with a pre-catalyst and/or using a catalyst comprising a catalytic amount of a molecule having the structure: wherein M=group 2-8 metal, preferably group 4 as a neutral or charged moiety; Y=any substituent including fused rings; L=any ligating group, especially a pyridyl or pyridylamide; X=alkyl, aryl, substituted alkyl, H or hydride, halide, or other anionic moiety; y=an integer from 0 to the complete valence of M; R=alkyl, aryl, haloalkyl, haloaryl, hydrogen, etc; x=1-6, especially 2; Dashed line=optional bond, especially a weak bond; and X and (CR2)x may be tethered or part of a ring.

    摘要翻译: 本发明涉及制备具有受控分子量分布的聚合物的组合物和方法。 分子量分布例如通过控制与预催化剂接触期间的相对单体浓度和/或使用包含催化量的具有以下结构的分子的催化剂进行控制:其中M = 2-8金属,优选 组4作为中性或带电部分; Y =任何取代基,包括稠环; L =任何连接基团,特别是吡啶基或吡啶基酰胺; X =烷基,芳基,取代的烷基,H或氢化物,卤化物或其它阴离子部分; y =从0到完全化合价的整数; R =烷基,芳基,卤代烷基,卤代芳基,氢等; x = 1-6,特别是2; 虚线=可选债券,特别是弱债券; X和(CR 2)x X可以是连接的或环的一部分。