Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
MULTI-STAGE FOAM SOUND-ABSORBING BLACK BODY MATERIAL, AND PREPARATION METHOD THEREFOR
In the present invention, a multi-stage foam sound-absorbing black body material is provided for the first time. A graphene aerogel is introduced into a commercialized polymer foam skeleton by using a solvent plasticizing and foaming technology, so as to embed ultra-thin graphene drums in the foam skeleton. When sound waves enter the foam black body, a large number of graphene drums generate a severe resonance effect, thereby rapidly achieving attenuation of the sound waves, and combined with the friction loss of the porous structure of the polymer foam on the sound waves, excellent sound-absorbing performance is achieved in a wide frequency range. The present solution is provided on the basis of commercialized foam materials, has a simple method, low costs, and the potential of wide industrial application.
MULTI-STAGE FOAM SOUND-ABSORBING BLACK BODY MATERIAL, AND PREPARATION METHOD THEREFOR
In the present invention, a multi-stage foam sound-absorbing black body material is provided for the first time. A graphene aerogel is introduced into a commercialized polymer foam skeleton by using a solvent plasticizing and foaming technology, so as to embed ultra-thin graphene drums in the foam skeleton. When sound waves enter the foam black body, a large number of graphene drums generate a severe resonance effect, thereby rapidly achieving attenuation of the sound waves, and combined with the friction loss of the porous structure of the polymer foam on the sound waves, excellent sound-absorbing performance is achieved in a wide frequency range. The present solution is provided on the basis of commercialized foam materials, has a simple method, low costs, and the potential of wide industrial application.
MULTI-STAGE FOAM SOUND-ABSORBING BLACK BODY MATERIAL, AND PREPARATION METHOD THEREFOR
MEHRSTUFIGES, SCHALLABSORBIERENDES, SCHWARZES SCHAUMSTOFFKÖRPERMATERIAL UND HERSTELLUNGSVERFAHREN DAFÜR
MATÉRIAU DE CORPS NOIR ABSORBANT ACOUSTIQUE EN MOUSSE À PLUSIEURS ÉTAGES, ET SON PROCÉDÉ DE PRÉPARATION
XU ZHEN (Autor:in) / PANG KAI (Autor:in) / GAO CHAO (Autor:in) / LIU XIAOTING (Autor:in)
24.04.2024
Patent
Elektronische Ressource
Englisch
MULTI-STAGE FOAM SOUND-ABSORBING BLACK BODY MATERIAL, AND PREPARATION METHOD THEREFOR
| Europäisches Patentamt | 2022
Damping and sound-absorbing foam metal material and preparation method thereof
| Europäisches Patentamt | 2022
MOLDED BODY, SOUND ABSORBING MATERIAL, VIBRATION ABSORBING MATERIAL
| Europäisches Patentamt | 2021