Patent · US Active

Multimodal polyethylene composition with high pressure resistance

US9920190B2 · kind B2 · utility

5Cited by

1References

14Claims

0Family size

Assignee

Borealis AG · AT

Inventors

Yi Liu · Linz, AT
Alexandra Romina Albunia · Linz, AT
Tanja Piel · Linz, AT
Qizheng Dou · Linz, DE
Hermann Prokschi · Linz, AT

Key dates

Filing date	Jul 6, 2015
Grant date	Mar 20, 2018
Priority date	—
Expiry date	Jul 6, 2035

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16L9/12
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

The present invention relates to a multimodal polyethylene composition which can be manufactured into pipes showing improved pressure resistance comprising a high density multimodal ethylene polymer component (A) having a density of at least 930 kg/m3, and a MFR21 of not more than 15 g/10 min, wherein said composition exhibits a LAOS-NLF defined as

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.