The invention belongs to the technical field of automobiles, particularly relates to a composite material automobile sound insulation carpet, a preparation method and application, and provides the following scheme aiming at the problems of poor sound insulation effect and low temperature resistance in the prior art: the sound insulation carpet comprises a surface layer, a middle layer bonded at the bottom of the surface layer and an anti-skid layer bonded at the bottom of the middle layer, the middle layer comprises a honeycomb structure layer and a rubber plate layer adhered to the top and the bottom of the honeycomb structure layer; the middle layer comprises the following components in parts by weight: 35-45 parts of polypropylene resin, 20-30 parts of polycarbonate, 10-20 parts of modified starch, 5-15 parts of modified montmorillonite, 5-15 parts of stereopolylactic acid fibers and 5-10 parts of an additive, the middle layer adopts a honeycomb structure layer, and countless sound insulation cavities can be formed in the middle layer, so that the sound insulation effect is improved; the surface layer, the middle layer and the anti-skid layer are combined, and reinforcing materials are added inside, so that the low-temperature resistance of the carpet can be improved.

    本发明属于汽车技术领域,尤其是一种复合材料汽车隔音地毯、制备方法和应用,针对现有的隔音效果差,不耐低温的问题,现提出如下方案,其隔音地毯包括面层、面层底部粘合的中间层和中间层底部粘合的防滑层,中间层包括蜂窝结构层和蜂窝结构层顶部和底部粘合的胶板层;中间层包含如下重量份的成分:35份~45份的聚丙烯树脂、20份~30份的聚碳酸酯、10份~20份的改性淀粉、5份~15份的改性蒙脱土、5份~15份的立构聚乳酸纤维和5份~10份的添加剂,中间层采用的蜂窝结构层,可以在中间层的内部形成无数个隔音空腔,提升隔音效果,而且采用面层、中间层和防滑层的组合,再加上内部添加的增强材料,可以提升地毯的耐低温性能。


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    Title :

    Composite material automobile sound insulation carpet, preparation method and application


    Additional title:

    一种复合材料汽车隔音地毯、制备方法和应用


    Contributors:
    DING JUNFEI (author) / GAO XINCHAO (author)

    Publication date :

    2024-12-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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 / B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE , Herstellen besonderer Gegenstände aus Kunststoff oder aus Stoffen in plastischem Zustand / B60N SEATS SPECIALLY ADAPTED FOR VEHICLES , Sitze besonders für Fahrzeuge ausgebildet / 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



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