Sound Insulation Property Study on Nylon 66 Scrim Reinforced PVF Laminated Membranes and their Composite Sound Proof Structure

2017 3rd International Conference on Environmental Science and Material Application

生态环境科学;材料科学

Chen, Lihe^1 ; Chen, Zhaofeng^1 ; Zhang, Xinyang^1 ; Wang, Weiwei^1

International Laboratory for Insulation and Energy Efficiency Materials, College of Materials Science and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing

210016, China^1

关键词: Air layers;    Nylon 66;    Sound insulation performance;    Sound insulation property;    Sound transmission loss;    Standing wave tubes;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/108/2/022029/pdf
DOI  :  10.1088/1755-1315/108/2/022029

来源: IOP

【 摘 要 】

In this paper, we investigated the sound insulation property of nylon 66 scrim reinforced PVF laminated membranes and their corresponding composite structures with glass fiber felt and carbon fiber board. Sound transmission loss (STL) was measured by standing wave tube method. The results show that, with the decrease of nylon 66 gridlines spacing, STL of nylon 66 scrim reinforced PVF laminated membranes was improved. The sound insulation performance of laminated membranes with gridlines spacing of 3mm is the best, whose STL was up to 10dB at 6.3 kHz. Besides, STL was improved effectively as air layers were embedded into the composite sound proof construction consist of laminated membrane, glass fiber felt and carbon fiber board.