Multi-layered fuel tubing
作者： Mark Fisher Colton , Wayne Edward Garver
DOI:
关键词: Intermediate layer 、 Materials science 、 Polyvinylidene difluoride 、 Thermoplastic polyurethane 、 Layer (electronics) 、 Copolymer 、 Composite material 、 Polymer 、 Permeation
摘要: The invention describes a flexible tubular article for transport of volatile hydrocarbons comprising: (a) an inner layer thermoplastic polyurethane (TPU); (b) intermediate polyvinylidene difluoride (PVDF) polymer or PVDF copolymer extruded in form over the TPU layer, and (c) outside surface being coextensive therewith. Optionally, fourth outer is included covers (c). articles have maximum permeation rating 15 g/m2/day under SAE J1737 test conditions.
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