Journal
JOURNAL OF NATURAL FIBERS
Volume 19, Issue 13, Pages 6553-6563Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/15440478.2021.1929645
Keywords
Natural fiber; regenerated fiber; synthetic fiber; pore size; sound absorption tester; air permeability
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Funding
- Ku Research Professor Program of Konkuk University
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Noise, a frequently overlooked disturbance in the world, can greatly impact the environmental quality. By using acoustic absorbent materials, the effects of noise can be minimized. The study revealed that non-woven fabric made from kapok material exhibited superior sound absorption properties, making it ideal for noise control in automotive interiors.
In this world, unnoticed sound that disturbs frequently is called as noise. It is one of the main reasons for reducing the environment quality of human being. This effect can be minimized by using acoustic absorbent material in different areas where the sound absorption is required. In textile, acoustic property of non-woven is better than the woven fabric. The non-woven fabrics were developed using the needle punching technique using kapok, jute, flax, viscose, polyester, polypropylene, and recycled polyethylene terephthalate (R-Pet) fibers. Sound absorbency parameter was tested by sound absorption tester specially designed for this purpose. The effects of fiber type, number of layers in the fabric, thickness of the sample, areal density, air permeability, and pore size on sound absorption capacity were investigated in this research work. Experimental results show that 100% kapok non-woven fabric with its high compact structure, higher thickness, lesser air permeability, and less average flow diameter exhibit good sound absorption property than other samples, and it is best-suitable for interior in automotive applications for noise control.
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