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    • 6. 发明授权
    • Diblock copolymers prepared by cross metathesis
    • 通过交叉复分解制备的二嵌段共聚物
    • US08940839B2
    • 2015-01-27
    • US13072383
    • 2011-03-25
    • John R. HagadornCharles J. RuffRenuka N. GaneshPatrick Brant
    • John R. HagadornCharles J. RuffRenuka N. GaneshPatrick Brant
    • C08G61/04C08L65/00
    • C08G61/04C08G2261/419C08L65/00
    • This invention relates to a composition comprising a multiblock polyolefin represented by the formula: PO—C(R11)(R12)—C(R13)═C(R14)—C(R15)(R16)—PO*, or isomers thereof, wherein R11, R12, R13, R14, R15, and R16, are each independently a substituted or unsubstituted C1 through C4 hydrocarbyl group or a hydrogen; PO and PO* are polyolefins; PO and PO* are each independently a substituted or unsubstituted hydrocarbyl group having 9 to 4000 carbon atoms, provided that at least one of PO and PO* are C20 or greater, said polyolefin having: 1) an internal unsaturation as shown by the 13C NMR peak at between about 128 and about 132 ppm; 2) an Mn ratio “Z”=0.1 to 10 where Z is the Mn (as determined by 13C NMR) divided by Mn (as determined according to Gel Permeation Chromotography using polystyrene standards); and 3) optionally, from 0.3(J) and 0.75(J) internal unsaturations per 1000 carbons as determined by 1H NMR spectroscopy, where J is the number of reactive groups per 1000 carbons for the mixture of vinyl terminated polyolefins that become PO and PO*, before they are coupled by an alkene metathesis catalyst.
    • 本发明涉及一种组合物,其包含由式:PO-C(R 11)(R 12)-C(R 13)= C(R 14)-C(R 15)(R 16)-PO *表示的多嵌段聚烯烃或其异构体, 其中R11,R12,R13,R14,R15和R16各自独立地为取代或未取代的C1至C4烃基或氢; PO和PO *是聚烯烃; PO和PO *各自独立地为具有9至4000个碳原子的取代或未取代的烃基,条件是PO和PO *中的至少一个为C20或更大,所述聚烯烃具有:1)如13 C NMR所示的内部不饱和度 在约128至约132ppm之间的峰; 2)Mn比“Z”= 0.1〜10,其中Z为Mn(通过13 C NMR测定)除以Mn(根据使用聚苯乙烯标准品的凝胶渗透色谱法测定); 和3)任选地,通过1 H NMR光谱确定的每1000个碳的0.3(J)和0.75(J)内部不饱和度,其中J是成为PO和PO的乙烯基封端的聚烯烃的混合物的每1000个碳的反应性数 *,在它们通过烯烃复分解催化剂偶合之前。
    • 8. 发明授权
    • Catalysts and methods of use thereof to produce vinyl terminated polymers
    • 催化剂及其制备乙烯基封端聚合物的方法
    • US08455597B2
    • 2013-06-04
    • US13072280
    • 2011-03-25
    • Donna J. CrowtherPatrick BrantCarlos U. De GraciaJacqueline A. Lovell
    • Donna J. CrowtherPatrick BrantCarlos U. De GraciaJacqueline A. Lovell
    • C08F4/6592C08F4/643C08F110/06B01J31/22
    • C08F4/65912B01J31/12B01J31/14B01J31/2295B01J2531/48B01J2531/49C08F4/16C08F4/65908C08F4/6592C08F4/76C08F110/06C08F210/06Y10S526/943C08F210/16C08F2500/03C08F10/06C08F4/65927
    • This invention relates to a homogenous process for making a vinyl terminated propylene polymer, wherein the process comprises: contacting, propylene, under polymerization conditions, with a catalyst system comprising an activator and at least one metallocene compound, where the metallocene compound is represented by the formula: where: M is hafnium or zirconium; each X is, independently, selected from the group consisting of hydrocarbyl radicals having from 1 to 20 carbon atoms, hydrides, amides, alkoxides, sulfides, phosphides, halides, dienes, amines, phosphines, ethers, and a combination thereof, (two X's may form a part of a fused ring or a ring system); each R1 is, independently, a C1 to C10 alkyl group; each R2 is, independently, a C1 to C10 alkyl group; each R3 is, independently, hydrogen; each R4, R5, and R6, is, independently, hydrogen or a substituted or unsubstituted hydrocarbyl group, a heteroatom or heteroatom containing group; T is a bridging group; each R7 is, independently, hydrogen, halogen, or a C1 to C20 hydrocarbyl, and two R7 can form a cyclic structure including aromatic, partially saturated, or saturated cyclic or fused ring system; and further provided that any of adjacent R4, R5, and R6 groups may form a fused ring or multicenter fused ring system where the rings may be aromatic, partially saturated or saturated.
    • 本发明涉及一种用于制备乙烯基封端的丙烯聚合物的均匀方法,其中该方法包括:在聚合条件下使丙烯与包含活化剂和至少一种金属茂化合物的催化剂体系接触,其中茂金属化合物由 式:其中:M是铪或锆; 每个X独立地选自具有1至20个碳原子的烃基,氢化物,酰胺,醇盐,硫化物,磷化物,卤化物,二烯,胺,膦,醚及其组合(两个X的 可形成稠环或环系的一部分); 每个R 1独立地为C 1至C 10烷基; 每个R 2独立地为C 1至C 10烷基; 每个R 3独立地是氢; 每个R 4,R 5和R 6独立地是氢或取代或未取代的烃基,含杂原子或杂原子的基团; T是一个桥接组; 每个R 7独立地是氢,卤素或C 1至C 20烃基,并且两个R 7可以形成包括芳族,部分饱和或饱和的环状或稠环体系的环状结构; 并且进一步规定相邻的R 4,R 5和R 6基团中的任何一个可以形成稠合环或多中心稠环体系,其中所述环可以是芳族的,部分饱和的或饱和的。