The invention discloses an automobile sound insulation pad and a preparation method thereof. The sound insulation pad comprises a finish coat layer, a first sound insulation layer, a blend fiber mat, a second sound insulation layer and a honeycomb bottom layer which are arranged in sequence from top to bottom, the finish coat layer is made of PC/ABS alloy, the first sound insulation layer and the second sound insulation layer are both made of PP/PET composite short fiber, the inner wall of the honeycomb bottom layer is coated with an inorfil coating layer, the inorfil coating layer is a plant fiber coating layer, and the thickness of the plant fiber coating layer ranges from 20 mm to 35 mm. The automobile sound insulation pad obtained through the preparation method is low in weight, good in sound absorption effect, environment friendly and capable of being recycled and reused, can satisfy use requirements of customers well and conforms to the requirements of light weight, environment friendliness and comfort for modern automobiles.
Automobile sound insulation pad and preparation method thereof
2015-06-24
Patent
Electronic Resource
English
IPC: | B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / 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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