B - Operations – Transporting – 60 – K
Patent
B - Operations, Transporting
60
K
B60K 15/03 (2006.01) B32B 27/08 (2006.01)
Patent
CA 2175609
Disclosed herein is a fuel tank of multi-layer construction having good impact resistance as well as good barrier properties for gasoline, especially one containing methanol and MTBE. The fuel tank comprises (a) inner and outer layers of high-density polyethylene, (b) intermediate layers of adhesive resin, and (c) a core layer of ethylene-vinylalcohol copolymer, with said core layer (c) being shifted to the inside. For better performance, the layer (c) has a thickness which satisfies the formula below. 0.005 ~ A/B ~0.13 (1) where A is the thickness of the layer (c), and B is the thickness of all the layers. The fuel tank is suitable especially for oxygen-containing gasoline.
Hata Nobuhiro
Negi Taichi
Kirby Eades Gale Baker
Kuraray Co. Ltd.
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