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US 12,668,653 B2Granted
Polyethylene
AssigneeLG Chem, Ltd.
InventorsChristine Jisoo Song, Jiwon Yoon, Yi Young Choi, Sunghyun Park
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Abstract
Provided is a polyethylene. More particularly, provided is a polyethylene which has excellent abrasion resistance and thus is suitable for fiber production.
Claims10
A polyethylene polymer satisfying the following conditions of 1) to 4):
- 1) A melt index (MI) of 0.5 g/10 min to 40 g/10 min, as measured at 190° C. under a load of 2.16 kg according to ASTM D1238;
- 2) A molecular weight distribution (MWD) of 2.3 to 2.6;
- 3) A crystallinity of 63% to 71%, as measured using a differential scanning calorimeter (DSC) according to ASTM F2625;
- and
- 4) A crystal relaxation temperature (Tcr) of 42° C. to 50° C., as measured using dynamic mechanical analysis (DMA).
2 more elements
Dependencies are inferred from the claim text.