The invention provides composite foam, an automobile sound insulation part and a preparation method of the composite foam, relates to the technical field of foam flame retardance, and solves the problem of poor flame retardance of automobile acoustic ornaments in the prior art. The composite foam comprises melamine foam particles, polyurethane foam particles and an adhesive. The polyurethane foam particles and the melamine foam particles are mixed with each other, and the adhesive is mixed in the melamine foam particles and the polyurethane foam particles to bond the melamine foam particles and the polyurethane foam particles. The composite foam is used for manufacturing automobile acoustic ornaments.

    本发明提供一种复合泡沫、汽车隔音件及复合泡沫的制备方法,涉及泡沫阻燃技术领域,解决现有技术中汽车声学饰件的阻燃性较差的问题。该复合泡沫包括密胺泡沫颗粒、聚氨酯泡沫颗粒以及粘接剂。聚氨酯泡沫颗粒与密胺泡沫颗粒相互混合,粘接剂混合于密胺泡沫颗粒和聚氨酯泡沫颗粒中,粘接密胺泡沫颗粒和聚氨酯泡沫颗粒。该复合泡沫用于制作汽车声学饰件。


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    Title :

    Composite foam, automobile sound insulation part and preparation method of composite foam


    Additional title:

    一种复合泡沫、汽车隔音件及复合泡沫的制备方法


    Contributors:
    WU CONGJIN (author) / SUN YONG (author) / FU JUN (author) / WANG ZHIBAI (author)

    Publication date :

    2023-09-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / C08J Verarbeitung , WORKING-UP



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