The invention discloses a multi-layer composite fuel pipe, which belongs to a fuel pipe in the technical field of conductive fuel pipes, and adopts the technical scheme that the multi-layer composite fuel pipe comprises a long carbon chain polyamide layer made of polysebacyl decamethylene diamine; the barrier conductive layer is made of poly (sebacic diamine) m-xylylenediamine; the long carbon chain polyamide layer and the blocking conducting layer are fixedly arranged from outside to inside, the thickness of the long carbon chain polyamide layer ranges from 0.05 mm to 0.95 mm, the thickness of the blocking conducting layer ranges from 0.05 mm to 0.95 mm, and the overall wall thickness of the oil pipe ranges from 1 +/-0.15 mm to 1.5 +/-0.15 mm; the multi-layer composite fuel pipe provided by the invention has the capabilities of low precipitation, high barrier, high strength, methanol gasoline resistance, ethanol gasoline resistance, zinc chloride solution resistance and electrostatic breakdown resistance, and reduces the risks of carbon deposition, electrostatic breakdown and leakage of a refueling pipeline while meeting the national novel (national VI) emission standard.
本发明公开了一种多层复合燃油管,属于导电燃油管技术领域中的一种燃油管,其技术方案包括:长碳链聚酰胺层,所述长碳链聚酰胺层的材料为聚癸二酰癸二胺;阻隔导电层,所述阻隔导电层的材料为聚葵二胺间苯二甲胺;以及所述长碳链聚酰胺层和所述阻隔导电层从外到内固定设置,所述长碳链聚酰胺层的厚度为0.05~0.95mm,所述阻隔导电层的厚度为0.05~0.95mm,油管整体的壁厚为1±0.15~1.5±0.15mm;本发明提供一种多层复合燃油管,具有低析出、高阻隔、高强度、耐甲醇汽油、乙醇汽油、氯化锌溶液,抗静电击穿的能力,在满足国家新型(国Ⅵ)排放标准的同时,降低了加油管道积碳、静电击穿、和泄露的风险。
Multi-layer composite fuel pipe
一种多层复合燃油管
2025-03-25
Patent
Electronic Resource
Chinese
IPC: | F16L PIPES , Rohre / B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM , Schichtkörper, d.h. aus Ebenen oder gewölbten Schichten, z.B. mit zell- oder wabenförmiger Form, aufgebaute Erzeugnisse / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / C09J ADHESIVES , Klebstoffe |
Polyamide composite resin composition for fuel filler pipe
European Patent Office | 2018
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