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자료유형
학술저널
저자정보
배영환 (한국생산기술연구원) 이명성 (한국생산기술연구원) 김정연 (한국생산기술연구원) 최영욱 (한국생산기술연구원) 여상영 (한국생산기술연구원)
저널정보
한국염색가공학회 한국염색가공학회지 한국염색가공학회지 Vol.34 No.1(통권 제158호)
발행연도
2022.3
수록면
38 - 45 (8page)

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초록· 키워드

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Sound absorbing materials are being developed in various materials and shapes and they are being applied in many fields such as construction, transportation, civil engineering, and sound. Among many sound-absorbing materials, polyester fiber has no environmental problems and harmfulness, and is a material with good sound absorption properties while being inexpensive. So it is manufactured as a nonwoven sound-absorbing material and used in various fields. In this study, polyester dry-laid nonwoven with different basis weight were manufactured using three types of polyester staple fibers: regular solid, single-hole hollow, and low linear density. We focused on the effects of the properties of the fibers, which constitute nonwovens, on the sound absorption properties, and we considered the basis weight. As the basis weight of the nonwoven fabric increased, the pore size became smaller and the air permeability was lowered, but the sound absorption coefficient was higher. However, the single-hole hollow polyester fiber did not contribute to the increase of the sound absorption coefficient of the nonwoven. It was established that, lower fiber fineness caused the sound absorption coefficient of the nonwoven to be increased. It was also found that the increase in the sound absorption coefficient due to the application of low fineness appeared from a certain basis weight or more.

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Abstract
1. 서론
2. 실험
3. 결과 및 고찰
4. 결론
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