Oxygen barrier structure for a flexible hose

Details Oxygen barrier structure for a flexible hose Oxygen barrier structure for a flexible hose

B - Operations, Transporting

32

B

B32B 1/08 (2006.01) B29D 23/18 (2006.01) B32B 15/08 (2006.01) F16L 11/08 (2006.01) F16L 11/12 (2006.01)

Patent

CA 2244321

An oxygen barrier is provided herein for a flexible hose. To provide such oxygen barrier, the hose includes a first tube, an aluminum foil bonded exteriorly about that first tube and a second tube bonded exteriorly about that aluminum foil. The first tube and the second tube each comprising at least 20 percent by weight of ethylene propylene dime polymethylene and from 2 to 9 percent by weight of polybutadiene-maleic anhydride adduct resin. The first tube and the second tube each are bonded to the aluminum foil by thermal curing in the presence of peroxide in the amount of 0.6 percent to 2.8 percent by weight of tube material.

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