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US 10,571,051 B2Granted
Polyethylene composition for drip irrigation pipes or tapes
AssigneesBorealis AG, Abu Dhabi Polymers Co. Ltd (Borouge) LLC.
InventorsAntti Tynys, Joel Fawaz
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Abstract
The present invention relates to pellets comprising a polyethylene composition, a pipe or pipe system comprising the pellets as well as a process for the preparation of such a pipe or pipe system.
Claims15
Pellets comprising a polyethylene composition, the polyethylene composition comprising:
- a) at least 60.0 wt. % of a multimodal ethylene polymer (a), based on the total weight (100.0 wt. %) of the polyethylene composition, and
- b) from 0.5 to 13.0 wt. % of carbon black product (b), based on the total weight (100.0 wt. %) of the polyethylene composition,
- wherein the polyethylene composition has
- i) a MFR2 (ISO 1133, 2.16 kg load) of 0.2 to 0.3 g/10 min, and
- ii) a density measured according to ASTM D792 of at least 959 kg/m3.
2 more elements
Dependencies are inferred from the claim text.