The invention relates to a composite material as well as a preparation method and application thereof. The composite material comprises a polyethylene glycol terephthalate layer, a first polyurethane layer, a polypropylene compound layer with a honeycomb structure, a second polyurethane layer and a non-woven fabric layer which are sequentially stacked, the polypropylene compound layer with the honeycomb structure comprises the following components: polypropylene, an ethylene-vinyl acetate copolymer and chopped glass fibers. The Young modulus of the composite material ranges from 7.8 MPa to 8.9 MPa, the weight ranges from 1528 g/m < 2 > to 1732 g/m < 2 >, and the composite material has the advantages of being high in mechanical strength, light in weight and good in sound insulation effect and is suitable for being applied to automobile roofs.

    本发明涉及一种复合材料及其制备方法和应用,所述复合材料包括依次层叠设置的聚对苯二甲酸乙二醇酯层、第一聚氨酯层、蜂窝结构的聚丙烯复合物层、第二聚氨酯层和无纺布层;所述蜂窝结构的聚丙烯复合物层包括如下组分:聚丙烯、乙烯‑醋酸乙烯酯共聚物和短切玻璃纤维。本发明所述复合材料的杨氏模量在7.8‑8.9MPa之间,重量在1528‑1732g/m2之间,兼具力学强度高、轻量化和隔音效果好的优势,适合应用于汽车顶棚中。


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    Titel :

    Composite material as well as preparation method and application thereof


    Weitere Titelangaben:

    一种复合材料及其制备方法和应用


    Beteiligte:
    LI GUANGYI (Autor:in) / LI QINGBIN (Autor:in) / HU ZHIHAO (Autor:in)

    Erscheinungsdatum :

    2022-02-18


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    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 / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / B62D MOTOR VEHICLES , Motorfahrzeuge / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / C09D Überzugsmittel, z.B. Anstrichstoffe, Firnisse oder Lacke , COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS



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