纤维基柔性非织造材料吸声性能研究
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摘要
对3种不同厚度的非织造布进行功能整理,选取的整理剂分别为FeS、CuO、Fe2O3和BaSO4。测试分析了整理剂种类,以及非织造材料的厚度和面密度对涤纶柔性非织造材料吸声性能的影响。结果表明:Fe2O3和BaSO42种整理剂对于非织造布吸声性能的影响很显著;非织造材料的吸声性能会随着厚度的增加呈现先减小后增大的趋势,而又随着面密度的增大呈现增大的趋势。
With FeS,CuO,Fe_2O_3 and BaSO_4 as finishing agents,three kinds of nonwoven fabrics with different thickness were treated.The influence of the type of finishing agent,the thickness and surface density of nonwoven materials on the sound absorption properties of the polyester flexible nonwovens was analyzed.The results showed that the effects of Fe_2O_3 and BaSO_4 on the sound absorption properties of nonwovens were obvious.Sound performance absorption of nonwovens firstly decreased and then increased with the increase of thickness,and increased with the increase of surface density.
With FeS,CuO,Fe_2O_3 and BaSO_4 as finishing agents,three kinds of nonwoven fabrics with different thickness were treated.The influence of the type of finishing agent,the thickness and surface density of nonwoven materials on the sound absorption properties of the polyester flexible nonwovens was analyzed.The results showed that the effects of Fe_2O_3 and BaSO_4 on the sound absorption properties of nonwovens were obvious.Sound performance absorption of nonwovens firstly decreased and then increased with the increase of thickness,and increased with the increase of surface density.
引文
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[2]张新安.非织造布结构吸声性能研究[J].西安工程科技学院学报,2006,20(2):135-138.
[3]YASUDA Y,UENO S,KADOTA M,et al.Applicability of locally reacting boundary conditions to porous material layer backed by rigid wall:Wave-based numerical study in non-diffuse sound field with unevenly distributed sound absorbing surfaces[J].Applied Acoustics,2016,113:45-57.
[4]鲍纬,刘建立,王双闪,等.结构参数对非织造材料吸声系数的影响[J].江苏纺织,2014,(5):43-46.
[5]洪杰,姜生,晏雄.中空涤纶增强橡胶基复合材料层合非织造布的吸声性能[J].纺织学报,2016,37(5):62-67.
[6]丁先锋,王洪.车用PET/PP分散复合熔喷吸音材料的研究[J].纺织学报,2013,34(9):27-33.
[7]罗以喜,奚柏君.非织造降噪复合材料的研究[J].纺织学报,2004,25(4):64-66.
[8]胡立晨,陈福源,晏雄.柔性针刺非织造材料吸声性能分析[J].玻璃钢/复合材料,2010,(1):53-56.
[9]寿光培.日本帝人纤维株式会社开发V-LapTM非织造布[J].产业用纺织品,2010,28(5):43-43.
[10]杨波,刘亚.吸音材料的发展现状与趋势[J].纺织导报,2013,(7):99-101.
[11]3M introduces flame-resistant Thinsulate[J].Apparel Magazine,2007,48(12):37.
[12]臧传锋,姚子川,任煜,等.涤纶非织造吸声材料的吸声性能研究[J].棉纺织技术,2015,43(6):6-9.
[13]杨树,于伟东,潘宁.非织造布的结构特征与其吸声性能研究[J].产业用纺织品,2010,28(7):6-11.
[14]KUCUK M,KORKMAZ Y.The effect of physical parameters on sound absorption properties of natural fiber mixed nonwoven composites[J].Textile Research Journal,2012,82(20):2 043-2 053.
[15]刘颖辉.室内声学设计与噪声振动控制案例教程[M].北京:化学工业出版社,2014.
[16]钟祥璋,朱子根.材料吸声性能的单值评价及产品分级方法[J].电声技术,2011,35(5):4-7.
[17]张智博.声学材料性能测试及评价实验研究[D].上海:上海交通大学,2007.