한국의류산업학회지 (Fashion & Textile Research Journal)

  • 제15권4호
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  • Pages.620-629
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  • 2013
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  • 1229-2060(pISSN)
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  • 2287-5743(eISSN)
한국의류산업학회 (The Society of Fashion and Textile Industry)
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나노웹을 이용한 라미네이트소재의 마찰음 특성

Characteristics of Rustling Sound of Laminated Fabric Utilizing Nano-web

  • 정태영 (연세대학교 의류환경학과) ;
  • 이유진 (연세대학교 의류환경학과) ;
  • 이승신 (연세대학교 의류환경학과) ;
  • 조길수 (연세대학교 의류환경학과)
  • 투고 : 2013.03.15
  • 심사 : 2013.07.20
  • 발행 : 2013.08.31
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초록

This study examines the rustling sound characteristics of electrospun nanofiber web laminates according to layer structures. This study assesses mechanical properties and frictional sounds (such as SPL); in addition, Zwicker's psychoacoustic parameters (such as Loudness (Z), Sharpness (Z), Roughness (Z), and Fluctuation strength (Z)) were calculated using the Sound Quality Program (ver.3.2, B&K, Denmark). The result determined how to control these characteristics and minimize rustling sounds. A total of 3 specimens' frictional sound (generated at 0.63 m/s) was recorded using a Simulator for Frictional Sound of Fabrics (Korea Patent No. 10-2008-0105524) and SPLs were analyzed with a Fast Fourier Transformation (FFT). The mechanical properties of fabrics were measured with a KES-FB system. The SPL value of the sound spectrum showed 6.84~58.47dB at 0~17,500Hz. The SPL value was 61.2dB for the 2-layer PU nanofiber web laminates layered on densely woven PET(C1) and was the highest at 65.1dB for the 3-layer PU nanofiber web laminates (C3). Based on SPSS 18.0, it was shown that there is a correlation between mechanical properties and psychoacoustic characteristics. Tensile properties (LT), weight (T), and bending properties (2HB) showed a high correlation with psychoacoustic characteristics. Tensile linearity (LT) with Loudness (Z) showed a negative correlation coefficient; however, weight (T) with Sharpness (Z) and Roughness (Z), and bending hysteresis (2HB) with Roughness (Z) indicated positive correlation coefficients, respectively.

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참고문헌

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