The Primary Study on Polyester/ Polypropylene Sound-Absorption Nonwoven Fabric

Chen Hung Huang; Ting Ting Li; Yu Chun Chuang; Ching Wen Lou; Jin Mao Chen; Jia Horng Lin

doi:10.4028/www.scientific.net/AMR.554-556.136

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 554-556The Primary Study on Polyester/ Polypropylene...

The Primary Study on Polyester/ Polypropylene Sound-Absorption Nonwoven Fabric

Abstract:

As social civilization advances, more and more people reside in the city. Consequently, the number of automobiles and locomotives increases, causing greenhouse effect and noise pollution increasingly serious. Therefore, lowering the temperature and reducing the noise in living conditions has become an urgent task, in order to save resources usage amount and to produce a low-noise dwelling environment. In this study, the sound-absorption and heat-insulation nonwoven fabrics were firstly prepared by three-dimensional crimp hollow polyester fiber (PET) fibers and Polypropylene (PP) fibers based on nonwoven processing technology, following by sound-absorption coefficient test, thermal conductivity test, as well as maximum tensile strength and maximum tearing strength tests. The results show that, 70/30 wt% PET/ PP nonwoven fabrics have the maximum tensile strength of 2.47 MPa (CD) and 1.67 MPa (MD), in addition with the maximum tearing strength of 83.96 kN/m (CD), 111.88 kN/m (MD); the 90/10 wt% PET/ PP nonwoven presents the lowest thermal conductivity coefficient of 0.0365 W/K‧m; nonwoven with three different ratios show the similar sound-absorbing curves, which all reaches the highest absorption coefficient of 0.76 at 4000 Hz.

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Periodical:

Advanced Materials Research (Volumes 554-556)

Pages:

136-139

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.554-556.136

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Online since:

July 2012

Authors:

Chen Hung Huang, Ting Ting Li, Yu Chun Chuang, Ching Wen Lou, Jin Mao Chen, Jia Horng Lin

Keywords:

Heat Insulation, Hollow Polyester Fiber, Sound Absorption

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