AN ETHYLENE/ALPHA-OLEFIN COPOLYMER COMPOSITION, AND ARTICLES COMPRISING THE SAME

An ethylene/alpha-olefin copolymer composition having a density from 0.935 to 0.955 g/cc; a ratio of weight average molecular weight to number average molecular weight, Mw/Mn, of from 3 to 10; a z-average molecular weight, Mz, from 200 kg/mol to 500 kg/mol; and a PENT value of greater than 500 hours...

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Bibliographic Details
Main Authors LÓPEZ, DAVID, KAPUR, MRIDULA, DEMIRORS, MEHMET, BASTERO, AMAIA, FONTAINE, PHILIP P, WANG, JIAN, GINGER, DOUGLAS S
Format Patent
LanguageEnglish
Polish
Published 17.10.2022
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:An ethylene/alpha-olefin copolymer composition having a density from 0.935 to 0.955 g/cc; a ratio of weight average molecular weight to number average molecular weight, Mw/Mn, of from 3 to 10; a z-average molecular weight, Mz, from 200 kg/mol to 500 kg/mol; and a PENT value of greater than 500 hours at 80°C and 2.4 MPa; wherein when the composition is formed into a monolayer pipe the pipe has a pipe hydrostatic strength of greater than 100 hours at 20°C and 12.0 MPa. Also provided is a pipe or pipe fitting comprising the ethylene/alpha-olefin copolymer composition.
Bibliography:Application Number: PL20160382091T