C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 77/00 (2006.01) B32B 27/34 (2006.01) C08L 77/06 (2006.01) F16L 9/133 (2006.01) F16L 11/04 (2006.01)
Patent
CA 2582330
Multilayered pipes are provided wherein at least one layer comprises polyamide compositions having good hydrolysis resistance and that may optionally contain plasticizer. Such pipes are suited for applications transporting hydrocarbons. The pipes of the present invention may be in the form of flexible pipes.
L'invention concerne des tuyaux multicouches qui comportent au moins une couche à compositions polyamide ayant une bonne résistance à l'hydrolyse et qui peuvent éventuellement renfermer un plastifiant. Ces tuyaux se prêtent aux applications de transport pour hydrocarbures, et ils peuvent se présenter sous forme flexible.
Fish Robert B.
Martens Marvin M.
Mestemacher Steven A.
Pagilagan Rolando Umali
E.i. Du Pont de Nemours And Company
Torys Llp
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