The Primary Study on PP/Sawdust/PU Sound-Absorbing Plank

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

doi:10.4028/www.scientific.net/AMR.557-559.1045

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 557-559The Primary Study on PP/Sawdust/PU Sound-Absorbing...

The Primary Study on PP/Sawdust/PU Sound-Absorbing Plank

Abstract:

By recycling method, the wastes in the nonwoven industry decreases, and simultaneously multiple functions are attached to the nonwoven, leading to varied application of nonwoven. With these purpose, different ratios of recycled sawdust was blended in PU foaming body material, and the optimal ratio was chosen based on the best sound-absorbing property. Additionally, recycled polypropylene (PP) fiber and PP fiber were needle-punched to form PP nonwoven foundation. Ratios of the PP recycled selvages were varying in this process. Afterwards, tensile strength and sound absorption coefficient of nonwoven foundations were both evaluated for optimal nonwoven parameters. Finally, the optimal Sawdust/ PU foaming and PP nonwoven foundation were laminated into a sandwich-structure composite—PP/Sawdust/PU sound-absorbing plank, following characterizations of sound-absorbing property and mechanical property.

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Periodical:

Advanced Materials Research (Volumes 557-559)

Pages:

1045-1048

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.557-559.1045

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Online since:

July 2012

Authors:

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

Keywords:

Nonwoven, PP Recycled Selvages, PU Foaming, Recycled Sawdust, Sound-Absorbing

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