Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

Studies on the Characterization of the Needle Punching Laminated Nonwovens(II) -Fabric Strength and Bonding Properties-

니들펀칭 라미네이팅 부직포의 특성화 연구(II) -포강도 및 층간의 결합특성-

  • 이순근 (충남대학교 공과대학 섬유공학과) ;
  • 김동철 (충남대학교 공과대학 섬유공학과) ;
  • 주창환 (충남대학교 공과대학 섬유공학과)
  • Published : 2001.09.01

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Abstract

We have studied the strength and bonding characteristics of the needle punching laminated nonwovens(NPN) produced form polyester webs prepunched under different processing conditions, such as punching density and the number of layers. The characteristics investigated were tensile, tearing and peeling strength and surface roughness of NPLN fabrics. The tensile and tearing strength of NPLN fabrics generally increased with increasing number of layers and punching density. But their strengths slightly decreased above punching densities of 400 punches/$\textrm{cm}^2$ because of fiber breakage during the laminating process. Also, the peeling strength showed a similar trend as tensil and tearing results. It was found that the surface roughness varied with punching density and depended on the layer position of NPLN fabrics.

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References

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