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    Radically Coupled Resins and Methods of Making and Using Same
    4.
    发明申请
    Radically Coupled Resins and Methods of Making and Using Same 审中-公开
    自由基耦合树脂及其制造和使用方法

    公开(公告)号：US20160115255A1

    公开(公告)日：2016-04-28

    申请号：US14933847

    申请日：2015-11-05

    Applicant: Chevron Phillips Chemical Company LP

    Inventor： Carlos A. CRUZ ,  Max P. MCDANIEL ,  Qing YANG ,  Jared L. BARR ,  Youlu YU

    IPC: C08F10/02

    CPC classification number: C08F10/02 ,  C08F2810/20 ,  C08F10/00 ,  C08F4/65927 ,  C08F110/02 ,  C08F2500/07 ,  C08F2500/12 ,  C08F2500/09 ,  C08F2500/10 ,  C08F2500/04 ,  C08F4/65916 ,  C08F210/16 ,  C08F210/14

    Abstract: A radically coupled polymer having a density of from about 0.915 g/ml to about 0.975 g/ml characterized by a crossover modulus that is equal to or less than ymn where ymn=18000e−0.15x and x is the number average molecular weight of the radically coupled polymer. An ethylene polymer having a level of short chain branching ranging from about 0 to about 10 mol. %; a level of long chain branching ranging from about 0.001 LCB/103 carbons to about 1.5 LCB/103 carbons as determined by SEC-MALS; and characterized by a crossover modulus that is equal to or less than ymn where ymn=18000e−0.15x and x is the number average molecular weight of the radically coupled polymer.

    Abstract translation: 密度为约0.915g / ml至约0.975g / ml的自由基偶联聚合物，其特征在于等于或小于ymn的交叉模量，其中ymn = 18000e-0.15x，x为数均分子量 自由基聚合物。 具有约0至约10mol的短链支化水平的乙烯聚合物。 ％; 通过SEC-MALS测定的长链支化水平为约0.001LCB / 103碳至约1.5LCB / 103碳; 其特征在于等于或小于ymn的交叉模量，其中ymn = 18000e-0.15x，x是自由基结合聚合物的数均分子量。

    POLYMER RESINS WITH IMPROVED PROCESSABILITY AND MELT FRACTURE CHARACTERISTICS
    5.
    发明申请
    POLYMER RESINS WITH IMPROVED PROCESSABILITY AND MELT FRACTURE CHARACTERISTICS 有权
    聚合物树脂具有改进的可加工性和熔体断裂特性

    公开(公告)号：US20140242314A1

    公开(公告)日：2014-08-28

    申请号：US13778693

    申请日：2013-02-27

    Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LP

    Inventor： Yongwoo INN ,  Qing YANG

    IPC: C08F210/16 ,  B32B1/08

    CPC classification number: C08F210/16 ,  B32B1/08 ,  C08F4/65912 ,  C08F4/65916 ,  C08F4/65925 ,  C08F4/65927 ,  C08F2410/04 ,  C08L23/04 ,  Y10T428/1352 ,  Y10T428/139 ,  C08F210/14 ,  C08F2500/01 ,  C08F2500/02 ,  C08F2500/04 ,  C08F2500/05 ,  C08F2500/09 ,  C08F2500/10 ,  C08F2500/11 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/26 ,  C08F10/00 ,  C08F4/65904

    Abstract: A metallocene-catalyzed polymer comprising (i) a higher molecular weight component and (ii) a lower molecular weight component wherein the polymer has a polydispersity index of from about 10 to about 26; a zero shear viscosity of from about 5×105 Pa·s to about 2×1014 Pa·s and a smooth-to-matte transition critical stress of from about 20 kPa to about 85 kPa at a shear rate of from about 1.5 s−1 to about 17 s−1. A dual metallocene catalyzed polyethylene comprising (i) a higher molecular weight component and (ii) a lower molecular weight component wherein the polymer has a polydispersity index of from about 10 to about 26; a zero shear viscosity of from about 5×105 Pa·s to about 2×1014 Pa·s and a smooth-to-matte transition stress of from about 20 kPa to about 85 kPa at a shear rate of from about 1.5 s−1 to about 17 s−1.

    Abstract translation: 茂金属催化的聚合物，其包含（i）较高分子量组分和（ii）较低分子量组分，其中所述聚合物具有约10至约26的多分散指数; 在约5×10 5 Pa·s至约2×10 14 Pa·s的剪切粘度为零，剪切速率为约1.5s-的剪切粘度为约20kPa至约85kPa的平滑过渡临界应力， 1至约17s-1。 双茂金属催化聚乙烯，其包含（i）较高分子量组分和（ii）较低分子量组分，其中所述聚合物具有约10至约26的多分散指数; 约剪切粘度为约5×10 5 Pa·s至约2×10 14 Pa·s，剪切速率为约1.5s -1的平滑至无光泽的过渡应力为约20kPa至约85kPa 至约17s-1。

    METHODS FOR PREPARING METALLOCENE COMPOUNDS
    6.
    发明申请
    METHODS FOR PREPARING METALLOCENE COMPOUNDS 有权

    公开(公告)号：US20250011484A1

    公开(公告)日：2025-01-09

    申请号：US18751434

    申请日：2024-06-24

    Applicant: Chevron Phillips Chemical Company LP

    Inventor： Graham R. LIEF ,  Qing YANG ,  Eric HASCHKE

    IPC: C08F210/16 ,  C07C2/30 ,  C07F17/00

    Abstract: Disclosed herein are synthetic methods for improving the solubility of metallocenes such as those that contain perfluorobenzyl(indene) groups. These methods can include alkylation of the perfluoroaryl ring of metallocene precursors using alkyl lithium reagents in a one-pot reaction. Further, these methods can be employed without altering the equipment or conditions of the reaction, without isolation of new intermediates, and while generally retaining desired catalyst characteristics.

    Novel Medium Density Polyethylene Compositions
    9.
    发明申请
    Novel Medium Density Polyethylene Compositions 有权
    新型中等密度聚乙烯组合物

    公开(公告)号：US20140256901A1

    公开(公告)日：2014-09-11

    申请号：US13794052

    申请日：2013-03-11

    Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LP

    Inventor： Ashish M. SUKHADIA ,  Guylaine ST. JEAN ,  Qing YANG ,  Max P. MCDANIEL

    IPC: C08F10/02 ,  C08F10/14 ,  C08F10/08

    CPC classification number: C08F10/02 ,  C08F10/04 ,  C08F10/06 ,  C08F10/08 ,  C08F10/10 ,  C08F10/14 ,  C08J5/18 ,  C08J2323/08 ,  C08L23/0815 ,  C08L2203/16 ,  C08L2205/025

    Abstract: An ethylene alpha-olefin copolymer having (a) a density of from about 0.910 g/cc to about 0.940 g/cc; (b) a weight average molecular weight of from about 150,000 g/mol to about 300,000 g/mol; and (c) a melt index at a load of 2.16 kg of from about 0.01 dg/10 min. to about 0.5 dg/min.; wherein a 1 mil blown film formed from the polymer composition is characterized by (i) a Dart Impact strength greater than about 175 g/mil; (ii) an Elmendorf machine direction tear strength greater than about 20 g/mil; and (iii) an Elmendorf transverse direction tear strength greater than about 475 g/mil.

    Abstract translation: 一种乙烯α-烯烃共聚物，其具有（a）约0.910g / cc至约0.940g / cc的密度; （b）重均分子量为约150,000g / mol至约300,000g / mol; 和（c）2.16kg负荷下的熔体指数为约0.01dg / 10min。 至约0.5dg / min。 其中由所述聚合物组合物形成的1密耳吹塑膜的特征在于（i）大于约175g / mil的落镖冲击强度; （ii）Elmendorf机器方向撕裂强度大于约20g / mil; 和（iii）Elmendorf横向撕裂强度大于约475g / mil。

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