B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 1/08 (2006.01) B32B 27/08 (2006.01) B32B 27/34 (2006.01) C08F 259/08 (2006.01) C08L 23/04 (2006.01) C08L 51/00 (2006.01) C08L 77/00 (2006.01) F16L 9/12 (2006.01) C08L 23/02 (2006.01) C08L 51/06 (2006.01)
Patent
CA 2503469
A pipe or liner for use in the oil and gas industry that comprises a melt- mixed bend of polyamide and grafted fluoropolymer having polar functionality where the grafted fluoropolymer having polar functionality exists as a discontinuous phase that is dispersed in a polyamide matrix. The pipe or liner has enhanced resistance to the permeation of hydrocarbons relative to polyethylene. A further embodiment is fuel lines that comprise a melt-mixed bland of polyamide and a grafted fluoropolymer having polar functionality.
L'invention concerne un tuyau ou colonne, utilisé dans l'industrie pétrolière et du gaz, comprenant un mélange fondu de polyamide et d'un fluoropolymère greffé à fonctionnalité polaire, le fluoropolymère greffé à fonctionnalité polaire formant une phase discontinue dispersée dans une matrice de polyamide. Le tuyau ou colonne présente une résistance améliorée à la pénétration des hydrocarbures par rapport au polyéthylène. L'invention concerne, dans d'autres modes de réalisation, des canalisations à combustible comprenant un mélange fondu de polyamide et d'un fluoropolymère greffé à fonctionnalité polaire.
E. I. Du Pont de Nemours And Company
Torys Llp
LandOfFree
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