Back to results
US 2011/0135918 A1Published application
Rotolined Articles
AssigneeTotal Petrochemicals Research Feluy
InventorEric Maziers
Life of this patent
Estimating the term…
Abstract
The present invention relates to the field of steel pipes and vessels rotolined with metallocene-produced polyethylene.
Claims11
1-8. (canceled)
A rotolined article comprising:
- an outer skin layer prepared from an iron containing alloy;
- an inner skin layer prepared from a polyethylene-based resin, consisting of a metallocene-produced homopolymer, copolymer of ethylene, or mixtures thereof, in amounts ranging from 40 to 99.5 wt % based on the total weight of the inner skin layer;
- and a material selected from the group consisting of a functionalized polyolefin (FPO), an ionomer, and a polyolefin (PO) grafted to a non-polyolefin (NPO) in the form of a block copolymer (PO)g-(NPO), and combinations thereof, in amounts ranging from 0.5 to 60 wt % based on the total weight of the inner skin layer.
Dependencies are inferred from the claim text.