Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Introduction of Carbon Nanotubes into Glass Fiber Non-woven Fabrics

탄소나노튜브를 첨가한 유리여재 부직포의 물리적 특성 변화 및 필터 응용 가능성

  • Shin, So Hee (Department of Fiber System Engineering, Dankook University) ;
  • Lee, Won Jun (Department of Fiber System Engineering, Dankook University)
  • 신소희 (단국대학교 파이버시스템공학과) ;
  • 이원준 (단국대학교 파이버시스템공학과)
  • Received : 2021.10.03
  • Accepted : 2021.10.26
  • Published : 2021.10.31
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Abstract

Introduction of nanomaterials into filter media has attracted tremendous research interest owing to their excellent efficiency in the removal of fine particulate matter. Whereas glass fiber-based non-woven removes at least 99.97% of dust, pollen, mold, bacteria, and any airborne particles with a size of 0.3 ㎛, their low thermal dimensional stability and decrease in the efficiency for dust removal hinders their recyclability and sustainable usage. Herein, single-walled carbon nanotubes (CNTs) are introduced into the glass fiber filter media (MERV 13 level) to improve the mechanical strength and thermal dimensional stability. Obviously, existing CNTs inside filter media facilitate the structural network formation between glass fibers with a high thermal stability, resulting in a higher onset degradation temperature (Td > 390 ℃). Indeed, their mechanical strength along cross direction (CD) increases by ~0.8 MPa with the addition of isotropic CNT solution. Whereas air-permeability is slightly decreased with the addition of CNTs, their positive effects as mechanical and thermal reinforcements show their potential for filter materials with a hierarchical structure.

Keywords

Acknowledgement

본 연구는 산업통상자원부의 나노융합 혁신제품 기술개발사업(과제번호: 20015624)으로 수행된 연구결과입니다.

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