公开(公告)号：US20170225440A1

公开(公告)日：2017-08-10

申请号：US15453393

申请日：2017-03-08

Applicant: Chevron Phillips Chemical Company LP

Inventor： Mark L. HLAVINKA ,  Charles D. MILLS ,  Qing YANG ,  Guylaine ST. JEAN

IPC: B32B27/32 ,  B32B27/08

CPC classification number: B32B27/327 ,  B32B27/08 ,  B32B27/32 ,  B32B2250/03 ,  B32B2250/242 ,  B32B2307/724 ,  B32B2439/70 ,  B32B2553/00 ,  G01D5/35316 ,  G01K11/3206 ,  G01L1/246 ,  G02B6/02204 ,  G02B6/29353 ,  Y10T428/31855

Abstract: A multilayer polymer film comprising an outer skin layer, an inner seal layer and at least one core layer disposed between the inner and outer skin layer, wherein the outer skin layers comprises a metallocene-catalyzed ethylene polymer having a density of equal to or greater than about 0.945 g/cc and a melt index equal to or greater than 0.5 g/10 min. A multilayer polymer film comprising a metallocene-catalyzed high-density polyethylene homopolymer skin layer and at least one core layer comprising a high-density polyethylene having a melt index of less than or equal to 2.0 g/10 min. A multilayer polymer film comprising at least a skin layer and a core layer wherein the skin layer comprises a metallocene-catalyzed ethylene polymer provided from a catalyst composition comprising a single metallocene and an activator support.

公开(公告)号：US20140212607A1

公开(公告)日：2014-07-31

申请号：US13753132

申请日：2013-01-29

Applicant: CHEVRON PHILLIPS CHEMICAL COMPANY LP

Inventor： Jim H. ADDCOX ,  Guylaine ST. JEAN

IPC: C08L23/06

CPC classification number: C08L23/06 ,  A61F13/51462 ,  C08J5/18 ,  C08J2323/04 ,  C08J2491/06 ,  C08L23/04 ,  C08L23/08 ,  C08L91/06 ,  C08L2203/16 ,  Y10T428/1324

Abstract: A composition comprising a polymer and a wax wherein the polymer has a melt index of from about 0.5 g/10 min to about 4 g/10 min, a density of equal to or greater than about 0.945 g/cc which when formed into a film displays a moisture vapor transmission rate of less than about 0.55 g-mil/100 in2 in 24 hours as determined in accordance with ASTM F 1249.

Abstract translation: 包含聚合物和蜡的组合物，其中所述聚合物的熔体指数为约0.5g / 10min至约4g / 10min，密度等于或大于约0.945g / cc，当其形成膜时 在按照ASTM F1249测定的24小时内显示小于约0.55g / mil / 100in2的水蒸气透过率。

公开(公告)号：US20180057618A1

公开(公告)日：2018-03-01

申请号：US15805982

申请日：2017-11-07

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.

公开(公告)号：US20210024671A1

公开(公告)日：2021-01-28

申请号：US17068486

申请日：2020-10-12

Applicant: Chevron Phillips Chemical Company LP

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

IPC: C08F210/16 ,  C08F10/02 ,  C08F10/08 ,  C08F10/14 ,  C08J5/18 ,  C08L23/08 ,  C08F210/18 ,  C08F210/02

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.

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。