公开(公告)号：US20140275462A1

公开(公告)日：2014-09-18

申请号：US13799471

申请日：2013-03-13

Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LP

Inventor： Qing YANG ,  Max P. MCDANIEL ,  Joel L. MARTIN ,  Tony R. CRAIN ,  Steve M. WHARRY ,  Carlos A. CRUZ ,  Jared L. BARR ,  Youlu YU

IPC: C08F10/02

Abstract: An ethylene polymer having a density greater than about 0.930 g/ml and 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. An ethylene polymer having a level of short chain branching ranging from about 0 to about 10 mol. % and 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. An ethylene polymer having a polydispersity index ranging from about 8 to about 25 and 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.

Abstract translation: 通过SEC-MALS测定的密度大于约0.930g / ml的乙烯聚合物和长链支化水平为约0.001LCB / 103碳至约1.5LCB / 103碳。 具有约0至约10mol的短链支化水平的乙烯聚合物。 ％和水平的长链支化范围为约0.001 LCB / 103碳至约1.5 LCB / 103碳，由SEC-MALS确定。 通过SEC-MALS测定的具有约8至约25的多分散指数和长链支化水平从约0.001LCB / 103碳至约1.5LCB / 103碳的乙烯聚合物。

公开(公告)号：US20230227592A1

公开(公告)日：2023-07-20

申请号：US17575715

申请日：2022-01-14

Applicant: Chevron Phillips Chemical Company LP

Inventor： Youlu YU ,  Qing YANG ,  Ashish M. SUKHADIA ,  David A. SOULES ,  Jeremy M. PRAETORIUS ,  Vivek ROHATGI

IPC: C08F210/16

CPC classification number: C08F210/16 ,  C08F2420/00

Abstract: Ethylene-based polymers having a density from 0.94 to 0.96 g/cm3, a Mn from 5,000 to 14,000 g/mol, a ratio of Mw/Mn from 18 to 40, and at least one of a PENT value at 2.4 MPa of at least 11,500 hr and/or a W90 from 7.5 to 15 wt. % are disclosed. Additional ethylene polymers can have the same density, Mn, and Mw/Mn values, as well as a relaxation time from 0.5 to 3.5 sec, a CY-a parameter from 0.48 to 0.68, a HLMI from 5 to 11 g/10 min, a viscosity at HLMI from 3,000 to 7,500 Pa-sec, and a higher molecular weight component (HMW) and a lower molecular weight (LMW) component, in which a ratio of the number of SCBs at Mp of the HMW component to the number of SCBs at Mp of the LMW component is from 3.5 to 8.

公开(公告)号：US20230227638A1

公开(公告)日：2023-07-20

申请号：US18123071

申请日：2023-03-17

Applicant: Chevron Phillips Chemical Company LP

Inventor： Youlu YU ,  Eric D. SCHWERDTFEGER ,  Jeffrey S. FODOR ,  David A. SOULES

IPC: C08L23/06 ,  C08L23/08

CPC classification number: C08L23/06 ,  C08L23/0815 ,  C08L2314/00 ,  C08L2205/025

Abstract: A bimodal polymer composition comprising a lower molecular weight homopolymer and a higher molecular weight copolymer wherein the bimodal polymer composition has a density of from about 0.930 gram per cubic centimeter (g/cc) to about 0.970 g/cc, a ratio of high load melt index:melt index of from about 10 to about 150 and an Environmental Stress Crack Resistance (ESCR) of from about 25 hours to about 300 hours when measured in accordance with ASTM D1693 or ASTM D2561. A chromium-catalyzed polymer composition comprising (i) a lower molecular weight homopolymer and (ii) a higher molecular weight copolymer, wherein the bimodal polymer composition has an Environmental Stress Crack Resistance (ESCR) of from about 25 hours to about 300 hours when measured in accordance with ASTM D1693 or ASTM D2561.

公开(公告)号：US20180298129A1

公开(公告)日：2018-10-18

申请号：US15981489

申请日：2018-05-16

Applicant: Chevron Phillips Chemical Company LP

Inventor： Chung TSO ,  Carlos A. CRUZ ,  Qing YANG ,  Max P. MCDANIEL ,  Jared L. BARR ,  Youlu YU ,  Yongwoo INN ,  Ashish M. SUKHADIA ,  Brandy RUTLEDGE-RYAL ,  Daniel G. HERT ,  Kelly FREY ,  Bill BRIDENDOLPH ,  William FISHER

IPC: C08F210/16 ,  B32B27/32 ,  B32B37/15 ,  C08J7/04 ,  C09D123/08 ,  B32B7/00 ,  C08F210/14

CPC classification number: C08F210/16 ,  B29C47/0004 ,  B29C47/025 ,  B29C47/92 ,  B29C2947/92019 ,  B29C2947/92209 ,  B29D7/01 ,  B32B7/005 ,  B32B27/32 ,  B32B27/327 ,  B32B37/153 ,  B32B2250/02 ,  B32B2307/72 ,  B32B2323/046 ,  C08F10/02 ,  C08F210/14 ,  C08F2500/09 ,  C08F2500/10 ,  C08F2500/26 ,  C08J5/18 ,  C08J7/047 ,  C08J2323/20 ,  C09D123/0815

Abstract: A polyolefin having a density of greater than about 0.930 g/ml which when extruded at a temperature in the range of from about 590° F. to about 645° F. and then coated onto a substrate at a rate of from about 300 ft/min to about 1000 ft/min has an edge weave of from about 0 in/side to about 2.5 in/side and a neck-in of less than about 3.0 in/side.

公开(公告)号：US20170199110A1

公开(公告)日：2017-07-13

申请号：US15471414

申请日：2017-03-28

Applicant: Chevron Phillips Chemical Company LP

Inventor： Youlu YU ,  Qing YANG ,  Paul J. DESLAURIERS ,  Mark J. LAMBORN ,  Yongwoo INN

IPC: G01N11/04 ,  G01N5/00

CPC classification number: G01N5/00 ,  C08F110/02 ,  C08J5/18 ,  C08J2323/06 ,  C08J2323/08 ,  C08L23/06 ,  G01N11/00 ,  G01N11/06 ,  G01N33/442

Abstract: A method of preparing a polymer article comprising determining a zero-shear viscosity for a polymer sample; sieving the polymer sample to produce a plurality of sieved polymer samples; determining a molecular weight distribution for each of the plurality of sieved polymer samples; determining a zero-shear viscosity for each of the plurality of sieved polymer samples; determining a compositional diversity of each of the plurality of sieved polymer samples based on a ratio of the zero shear viscosity for each of the plurality of sieved polymer samples to the zero shear viscosity for the polymer sample; identifying a polymer sample having a ratio of the zero shear viscosity to zero shear viscosity for the polymer sample of from about 0.5 to equal to or greater than about 3; and preparing a polymer article from the identified polymer sample.

公开(公告)号：US20130225820A1

公开(公告)日：2013-08-29

申请号：US13860604

申请日：2013-04-11

Applicant: Chevron Phillips Chemical Company LP

Inventor： Errun DING ,  Albert P. MASINO ,  Joel L. MARTIN ,  Youlu YU

IPC: C07F11/00

CPC classification number: C07F11/00 ,  B01D71/26 ,  B01J31/00 ,  C07F17/00 ,  C08F10/02 ,  C08F110/02 ,  C08F210/16 ,  C08F2420/03 ,  C08J5/18 ,  C08F4/69 ,  C08F4/78 ,  C08F210/14 ,  C08F2500/04 ,  C08F2500/07 ,  C08F2500/09 ,  C08F2500/12 ,  C08F2500/17 ,  C08F2500/26

Abstract: A catalyst system comprising a half-sandwich chromium complex, an activator support and an optional cocatalyst. A compound of formula Cp′Cr(Cl)2(Ln), where Cp′ is η5-C5H4CH2CH2CH═CH2 and Ln is pyridine, THF or diethylether. A compound of formula Cp″Cr(Cl)2(Ln), where Cp″ is η5-C5H4C(Me)2CH2CH2CH═CH2 and Ln is pyridine, THF or diethylether.

Abstract translation: 包含半夹心铬复合物，活化剂载体和任选的助催化剂的催化剂体系。 式Cp'Cr（Cl）2（Ln）的化合物，其中Cp'是eta5-C5H4CH2CH2CH = CH2，Ln是吡啶，THF或乙醚。 式Cp''Cr（Cl）2（Ln）的化合物，其中Cp“是eta5-C5H4C（Me）2CH2CH2CH = CH2，Ln是吡啶，THF或二乙醚。

公开(公告)号：US20220119627A1

公开(公告)日：2022-04-21

申请号：US17071616

申请日：2020-10-15

Applicant: Chevron Phillips Chemical Company LP

Inventor： Youlu YU ,  Eric D. SCHWERDTFEGER ,  Jeffrey S. FODOR ,  David A. SOULES

IPC: C08L23/08

Abstract: A bimodal polymer composition comprising a lower molecular weight homopolymer and a higher molecular weight copolymer wherein the bimodal polymer composition has a density of from about 0.930 gram per cubic centimeter (g/cc) to about 0.970 g/cc, a ratio of high load melt index:melt index of from about 10 to about 150 and an Environmental Stress Crack Resistance (ESCR) of from about 25 hours to about 300 hours when measured in accordance with ASTM D1693 or ASTM D2561. A chromium-catalyzed polymer composition comprising (i) a lower molecular weight homopolymer and (ii) a higher molecular weight copolymer, wherein the bimodal polymer composition has an Environmental Stress Crack Resistance (ESCR) of from about 25 hours to about 300 hours when measured in accordance with ASTM D1693 or ASTM D2561.

公开(公告)号：US20170037158A1

公开(公告)日：2017-02-09

申请号：US15298540

申请日：2016-10-20

Applicant: Chevron Phillips Chemical Company LP

Inventor： Youlu YU ,  Eric D. SCHWERDTFEGER ,  Max P. MCDANIEL ,  Alan L. SOLENBERGER ,  Kathy S. COLLINS

IPC: C08F110/02

CPC classification number: C08F110/02 ,  B01J23/26 ,  B01J35/1009 ,  B01J35/1014 ,  B01J35/1019 ,  C08F10/02 ,  C08F210/02 ,  C08F2500/04 ,  C08F2500/09 ,  C08F4/69 ,  C08F4/025

Abstract: A polymer having a long chain branching content peaking at greater than about 20 long chain branches per million carbon atoms, and a polydispersity index of greater than about 10 wherein the long chain branching decreases to approximately zero at the higher molecular weight portion of the molecular weight distribution. A polymer having a long chain branching content peaking at greater than about 8 long chain branches per million carbon atoms, a polydispersity index of greater than about 20 wherein the long chain branching decreases to approximately zero at the higher molecular weight portion of the molecular weight distribution. A polymer having a long chain branching content peaking at greater than about 1 long chain branches per chain, and a polydispersity index of greater than about 10 wherein the long chain branching decreases to approximately zero at the higher molecular weight portion of the molecular weight distribution.

Abstract translation: 具有长链支化含量高于每百万个碳原子大于约20个长支链的聚合物，多分散指数大于约10，其中长链支化在分子量的较高分子量部分下降至约零 分配。 具有长链支化含量高于每百万个碳原子大于约8个长链分支的聚合物，多分散指数大于约20，其中长链支化在分子量分布的较高分子量部分下降至约零 。 具有长链支化含量在每链大于约1个长链分支峰值的聚合物，以及大于约10的多分散指数，其中在分子量分布的较高分子量部分，长链支链降至约为零。

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。