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US 2020/0048381 A1Published application
Ethylene/Alpha-Olefin Copolymer Having Excellent Environmental Stress Crack Resistance
AssigneeLG Chem, Ltd.
InventorsSoon Ho Sun, Yo Han Bae, Hyeong Il Lee, Yi Young Choi, Bog Ki Hong, Sung Min Lee, Sun Mi Kim, Jin Young Park
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Abstract
Provided is an ethylene/alpha-olefin copolymer having excellent environmental stress crack resistance.
Claims7
An ethylene/alpha-olefin copolymer, wherein
- a weight average molecular weight is 50,000 g/mol to 250,000 g/mol,
- a molecular weight distribution (Mw/Mn) is 4 to 20,
- a density is 0.950 g/cm3 to 0.965 g/cm3,
- a melt flow rate ratio (MFR5/MFR2.16, as measured at 190° C. according to ASTM 1238) is 3 to 10, and
- environmental stress crack resistance (as measured according to ASTM D1693-B) is 150 hours or more.
2 more elements
Dependencies are inferred from the claim text.