Polyethylene composition for high pressure resistant pipes with improved homogeneity

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12258465
APP PUB NO 20210317290A1
SERIAL NO

17287579

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Abstract

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The present invention relates to a polyethylene composition comprising a base resin having a density of from 952.0 kg/m3 to 960.0 kg/m3, determined according to ISO 1183, wherein the polyethylene composition has a melt flow rate MFR21 (190° C., 21.16 kg), of from 1.0 to 7.5 g/10 min, determined according to ISO 1133, a complex viscosity at a frequency of 0.05 rad/s eta0.05 of from 750 kPa #s to 1900 kPa #s, determined according to ISO 6721-1 and ISO 6721-10, and a white spot rating of not more than 12.0, determined according to ISO 18553, a polyethylene composition obtainable by a multi-stage process, a process for producing said polyethylene composition, an article, such as a pipe or pipe fitting, comprising said polyethylene composition and the use of said polyethylene composition for the production of an article.

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Patent Owner(s)

Patent OwnerAddress
BOREALIS AGWAGRAMER STRASSE 17-19 VIENNA 1220

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dou, Qizheng Linz, AT 16 40
Liu, Yi Linz, AT 838 10296
Sumerin, Victor Provoo, FI 30 27

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