B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 1/08 (2006.01) B05D 7/14 (2006.01) B32B 15/08 (2006.01) B32B 27/32 (2006.01) F16L 9/12 (2006.01) F16L 9/147 (2006.01)
Patent
CA 2736966
A pipe- or tube-shaped article having an innermost layer is disclosed which comprises a polyolefin composition comprising a polyolefin comprising ethylene and an .alpha. -olefin. The article provides long lifetime, highly abrasion-resistant pipes for mining and other transportation uses. Also disclosed are methods for preparing the article.
La présente invention concerne un article en forme de tuyau ou de tube comportant une couche la plus interne, qui comprend une composition de polyoléfine contenant une polyoléfine comportant de l'éthylène et une a-oléfine. L'article propose des tuyaux présentant une grande durée de vie et une excellente résistance à l'abrasion destinés aux activités de mines et autres activités de transport. L'invention concerne également des procédés permettant de préparer l'article.
E.i. Du Pont de Nemours And Company
Torys Llp
LandOfFree
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