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    • 13. 发明授权
    • Processes for making multimodal molecular weight distribution polyolefins
    • 制备多峰分子量分布聚烯烃的方法
    • US08148470B1
    • 2012-04-03
    • US12950501
    • 2010-11-19
    • Matthew W. HoltcampMatthew S. Bedoya
    • Matthew W. HoltcampMatthew S. Bedoya
    • C08F8/00C08F2/00C08F2/38C08F4/00
    • C08F10/00C08F4/63925C08F4/65912C08F4/65916C08F4/65925C08F110/02C08F2500/05C08F4/63904
    • This invention relates to a process to make a multimodal polyolefin composition comprising: (i) contacting at least one first olefin monomer with a mixed catalyst system, under polymerization conditions, to produce at least a first polyolefin component having a Mw of 5,000 g/mol to 600,000 g/mol, wherein the mixed catalyst system comprises: (a) at least one polymerization catalyst comprising a Group 4 or Group 5 transition metal; (b) at least one organochromium polymerization catalyst; (c) an activator; and (d) a support material; (ii) thereafter, contacting the first polyolefin component/mixed catalyst system combination with a molecular switch; (iii) contacting the first polyolefin component/mixed catalyst system combination with at least one second olefin monomer, which may be the same or different, under polymerization conditions; and (iv) obtaining a multimodal polyolefin composition.
    • 本发明涉及一种制备多峰聚烯烃组合物的方法,其包括:(i)在聚合条件下使至少一种第一烯烃单体与混合催化剂体系接触,以产生至少一种Mw为5,000g / mol的第一聚烯烃组分 至600,000g / mol,其中所述混合催化剂体系包含:(a)至少一种包含第4族或第5族过渡金属的聚合催化剂; (b)至少一种有机铬聚合催化剂; (c)活化剂; 和(d)支撑材料; (ii)之后,使第一聚烯烃组分/混合催化剂体系组合与分子开关接触; (iii)在聚合条件下使第一聚烯烃组分/混合催化剂体系组合与至少一种可以相同或不同的第二烯烃单体接触; 和(iv)获得多峰聚烯烃组合物。
    • 16. 发明授权
    • Carbene complexes of lithium and/or magnesium metal salts, and uses thereof
    • 锂和/或镁金属盐的卡宾络合物及其用途
    • US08519147B2
    • 2013-08-27
    • US12939063
    • 2010-11-03
    • John R. HagadornMatthew W. HoltcampMatthew S. BedoyaRenuka N. Ganesh
    • John R. HagadornMatthew W. HoltcampMatthew S. BedoyaRenuka N. Ganesh
    • C07F3/02C07F1/02
    • C07F15/0046C07D207/06C10G3/00C10G2300/1014C10G2300/1088C10G2400/20C10G2400/22Y02E50/13
    • This invention relates to a carbene complex of metal salt represented by the formula: [T−M(R)c]n wherein, R is a monoanionic group; c is 1 or 2; M is a Li or Mg; T is a cyclic carbene ligand; and n is selected from the group of integers comprising 1 to 24 wherein the complex has 50% or less decomposition when stored in 0.01 molar benzene at 23° C. for a period of 1 hour. This invention also relates to transition-metal-carbene complexes prepared from such carbene complexes of metal salts, where the transition-metal-carbene complex is represented by the formula: [M*(T)(L0)q(L1−)s(L2−)t]g, where M* is a transition metal from Group 6, 7, 8, 9, 10, 11 or 12, T is a cyclic carbene ligand, L0 is a neutral ligand, L1− is a monoanionic ligand, L2− is a dianionic ligand, q is 0, 1, 2, 3 or 4, s is 0, 1, 2, 3, or 4, t is 0, 1, 2, 3, or 4, g is the overall charge of the molecule. The transition-metal-carbene complexes may be used for synthesis reactions, including metathesis of olefins.
    • 本发明涉及由式[T-M(R)c] n表示的金属盐的卡宾络合物,其中R是单阴离子基团; c为1或2; M是Li或Mg; T是环卡宾配体; 并且n选自包含1至24的整数组,其中当在23℃下在0.01摩尔苯中储存1小时时,所述络合物具有50%或更少的分解。 本发明还涉及由金属盐的这种卡宾络合物制备的过渡金属 - 卡宾络合物,其中过渡金属 - 卡宾络合物由下式表示:[M *(T)(L0)q(L1-)s L2-)t] g,其中M *是第6,7,8,9,10,11或12族的过渡金属,T是环卡宾配体,L 0是中性配体,L1-是单阴离子配体, L2-是二阴离子配体,q是0,1,2,3或4,s是0,1,2,3或4,t是0,1,2,3或4,g是总电荷 的分子。 过渡金属 - 卡宾络合物可用于合成反应,包括烯烃的复分解。
    • 20. 发明申请
    • Carbene Complexes of Lithium And/Or Magnesium Metal Salts, And Uses Thereof
    • 锂和/或镁金属盐的卡宾络合物及其用途
    • US20110112304A1
    • 2011-05-12
    • US12939063
    • 2010-11-03
    • John R. HagadornMatthew W. HoltcampMatthew S. BedoyaRenuka N. Ganesh
    • John R. HagadornMatthew W. HoltcampMatthew S. BedoyaRenuka N. Ganesh
    • C07F15/00C07D207/06C10G1/00
    • C07F15/0046C07D207/06C10G3/00C10G2300/1014C10G2300/1088C10G2400/20C10G2400/22Y02E50/13
    • This invention relates to a carbene complex of metal salt represented by the formula: [T−M(R)c]n wherein, R is a monoanionic group; c is 1 or 2; M is a Li or Mg; T is a cyclic carbene ligand; and n is selected from the group of integers comprising 1 to 24 wherein the complex has 50% or less decomposition when stored in 0.01 molar benzene at 23° C. for a period of 1 hour. This invention also relates to transition-metal-carbene complexes prepared from such carbene complexes of metal salts, where the transition-metal-carbene complex is represented by the formula: [M*(T)(L0)q(L1−)s(L2−)t]g, where M* is a transition metal from Group 6, 7, 8, 9, 10, 11 or 12, T is a cyclic carbene ligand, L° is a neutral ligand, L1− is a monoanionic ligand, L2− is a dianionic ligand, q is 0, 1, 2, 3 or 4, s is 0, 1, 2, 3, or 4, t is 0, 1, 2, 3, or 4, g is the overall charge of the molecule. The transition-metal-carbene complexes may be used for synthesis reactions, including metathesis of olefins.
    • 本发明涉及由式[T-M(R)c] n表示的金属盐的卡宾络合物,其中R是单阴离子基团; c为1或2; M是Li或Mg; T是环卡宾配体; 并且n选自包含1至24的整数组,其中当在23℃下在0.01摩尔苯中储存1小时时,所述络合物具有50%或更少的分解。 本发明还涉及由金属盐的这种卡宾络合物制备的过渡金属 - 卡宾络合物,其中过渡金属 - 卡宾络合物由下式表示:[M *(T)(L0)q(L1-)s L2-)t] g,其中M *是来自第6,7,8,9,10,11或12族的过渡金属,T是环卡宾配体,L°是中性配体,L1-是单阴离子配体 ,L2-是二阴离子配体,q是0,1,2,3或4,s是0,1,2,3或4,t是0,1,2,3或4,g是整体 分子的电荷。 过渡金属 - 卡宾络合物可用于合成反应,包括烯烃的复分解。