公开(公告)号：US09969898B2

公开(公告)日：2018-05-15

申请号：US15660653

申请日：2017-07-26

Applicant: BASELL POLYOLEFINE GMBH

Inventor： Gerhardus Meier ,  Ulf Schuller ,  Diana Dotsch ,  Bernd Lothar Marczinke ,  Heinz Vogt

IPC: C09D123/08 ,  C08L23/06 ,  C09D123/06 ,  C08L23/08

CPC classification number: C09D123/0815 ,  C08L23/06 ,  C08L23/0815 ,  C08L2205/025 ,  C08L2308/00 ,  C08L2314/02 ,  C09D123/06

Abstract: Polyethylene composition with improved balance of impact resistance at low temperatures and Environmental Stress Cracking Resistance (ESCR), particularly suited for producing protective coatings on metal pipes, said composition having the following features: 1) density from 0.938 to 0.948 g/cm3; 2) ratio MIF/MIP from 15 to 25; 3) MIF from 30 to 45 g/10 min.; 4) Mz equal to or greater than 1000000 g/mol; 5) LCBI equal to or greater than 0.55.

公开(公告)号：US09732248B2

公开(公告)日：2017-08-15

申请号：US14900996

申请日：2014-06-19

Applicant: BASELL POLYOLEFINE GMBH

Inventor： Gerhardus Meier ,  Ulf Schueller ,  Diana Dotsch ,  Bernd Lothar Marczinke ,  Heinz Vogt

IPC: C09D123/08 ,  C08L23/06 ,  C09D123/06

CPC classification number: C09D123/0815 ,  C08L23/06 ,  C08L23/0815 ,  C08L2205/025 ,  C08L2308/00 ,  C08L2314/02 ,  C09D123/06

Abstract: Polyethylene composition with improved balance of impact resistance at low temperatures and Environmental Stress Cracking Resistance (ESCR), particularly suited for producing protective coatings on metal pipes, said composition having the following features: 1) density from 0.938 to 0.948 g/cm3; 2) ratio MIF/MIP from 15 to 25; 3) MIF from 30 to 45 g/10 min.; 4) Mz equal to or greater than 1000000 g/mol; 5) LCBI equal to or greater than 0.55.

公开(公告)号：US09725541B2

公开(公告)日：2017-08-08

申请号：US14900955

申请日：2014-06-19

Applicant: BASELL POLYOLEFINE GMBH

Inventor： Gerhardus Meier ,  Ulf Schuller ,  Diana Dotsch ,  Bernd Lothar Marczinke ,  Jens Wiesecke

IPC: C08F210/16 ,  C08L23/08 ,  B29C49/04 ,  B29C49/00

CPC classification number: C08F210/16 ,  B29C49/0005 ,  B29C2049/047 ,  B29K2023/06 ,  C08L23/06 ,  C08L23/0815 ,  C08L2205/025 ,  C08L2314/02

Abstract: The present technology relates to a polyethylene composition suitable for producing small articles such as flexible and collapsible tubes by blow molding comprising: 1) a density from 0.948 to 0.955 g/cm3; 2) a MIF/MIP ratio from 12 to 25; 3) a MIF from 25 to 40 g/10 min; 4) a Mz from 1000000 to 2000000 g/mol; and 5) a long-chain branching index, LCBI, equal to or greater than 0.55.