- Patent Title: Polyethylene formulations for large part blow molding applications
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Application No.: US17260271Application Date: 2019-07-18
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Publication No.: US11685798B2Publication Date: 2023-06-27
- Inventor: Peter S. Martin , Yijian Lin , Angela I. Padilla-Acevedo , Roger L. Kuhlman , Shadid Askar , Mridula Kapur , Todd A. Hogan , Joel D. Wieliczko , Chuan C. He
- Applicant: Dow Global Technologies LLC
- Applicant Address: US MI Midland
- Assignee: Dow Global Technologies LLC
- Current Assignee: Dow Global Technologies LLC
- Current Assignee Address: US MI Midland
- Agency: Dinsmore & Shohl LLP
- International Application: PCT/US2019/042398 2019.07.18
- International Announcement: WO2020/028059A 2020.02.06
- Date entered country: 2021-01-14
- Main IPC: C08F210/16
- IPC: C08F210/16 ; C08F10/02 ; C08F4/6592

Abstract:
In various embodiments, a polyethylene formulation has a density of greater than 0.940 g/cm3 when measured according to ASTM D792, and a high load melt index (I21) of 1.0 g/10 min to 10.0 g/10 min when measured according to ASTM D1238 at 190° C. and a 21.6 kg load. Moreover, the polyethylene formulation has a peak molecular weight (Mp(GPC)) of less than 50,000 g/mol, a number average molecular weight (Mn(GPC)) of less than 30,000 g/mol, and a weight fraction (w1) of molecular weight (MW) less than 10,000 g/mol of less than or equal to 10.5 wt %, as determined by Gel Permeation Chromatography (GPC). Articles made from the polyethylene formulation, such as articles made by blow molding processes are also provided.
Public/Granted literature
- US20210301049A1 POLYETHYLENE FORMULATIONS FOR LARGE PART BLOW MOLDING APPLICATIONS Public/Granted day:2021-09-30
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