The invention relates to an automobile engine fireproof PUR trim cover and a preparation method thereof.The trim cover is matched with an engine in shape and used for wrapping engine parts, the trim cover is of a multi-component polyurethane foaming structure and comprises an outer surface layer, an inner surface layer and a middle layer located between the outer surface layer and the inner surface layer, the outer surface layer is hard crust, and the inner surface layer is made of polyurethane. The inner surface layer is a soft crust, and the middle layer is a pored soft foam material layer. Compared with the prior art, the engine hood can meet the appearance requirement and the assembly requirement, noise cannot be generated, and the noise reduction effect can be achieved.

    本发明涉及一种汽车发动机防火PUR装饰罩及其制备方法,装饰罩与发动机的形状相匹配,用于对发动机部件进行包裹,该装饰罩为多组分聚氨酯发泡结构,包括外表层、内表层及位于外表层和内表层之间的中间层,所述的外表层为硬质结皮,内表层为软质结皮,中间层为开孔软泡材质层。与现有技术相比,本发明发动机罩既能满足外观需求,也满足了装配需求,不会产生噪音,又能达到降噪效果。


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    Titel :

    Fireproof PUR decorative cover for automobile engine and preparation method thereof


    Weitere Titelangaben:

    一种汽车发动机防火PUR装饰罩及其制备方法


    Beteiligte:
    LIU XIAO (Autor:in) / YAN HUIHUI (Autor:in) / GAO YUN (Autor:in)

    Erscheinungsdatum :

    2023-06-06


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS



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