Journal of the Korea Fashion and Costume Design Association (한국의상디자인학회지)

Korea Fashion and Costume Design Association (한국의상디자인학회)
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Analysis of microplastics released from textiles according to filter pore size and fabric weight during washing

세탁 중 세탁물 중량과 여과 기공 크기에 따른 미세플라스틱 분석

  • Choi, Sola (Dept. of Clothing & Textiles and Human Convergence Technology R&D Department, Hanyang University and Korea Institute of Industrial Technology) ;
  • Kwon, MiYeon (Dept. of Human Convergence Technology R&D Department, Korea Institute of Industrial Technology) ;
  • Park, Myung-Ja (Human-Tech Convergence Program, Dept. of Clothing & Textiles, Hanyang University) ;
  • Kim, Juhea (Dept. of Human Convergence Technology R&D Department, Korea Institute of Industrial Technology)
  • 최솔아 (한양대학교 의류학과 한국생산기술연구원 휴먼융합연구부문) ;
  • 권미연 (한국생산기술연구원 휴먼융합연구부문) ;
  • 박명자 (한양대학교 의류학과 휴먼테크융합전공) ;
  • 김주혜 (한국생산기술연구원 휴먼융합연구부문)
  • Received : 2020.12.31
  • Accepted : 2021.02.15
  • Published : 2021.02.28
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Abstract

This study observed the release of microplastics according to washing weights and filtering conditions, measured microplastic generation rates, fiber lengths, and fiber diameters. This study attempted to present data for the development of filters that decrease microplastic generation. For test samples, polyester piled knit fabric (cut-pile) was selected, which currently has the highest amount of consumption in the clothing industry, but can easily cause marine pollution because of its low biodegradability. For test equipment, a drum washer was used and microplastics were collected using two filter pore sizes, 5 ㎛ and 20-25 ㎛. Microplastic fibers weights and lengths were measured. The results of the experiment showed the following: 1) The release of microplastics differed according to the fabric weights and washing process; 2) washing fabric weights showed a differences in the collection amount according to the filter pore size (5 ㎛, 20-25 ㎛); 3) observations of differences in the lengths of the microplastics that occur during the washing process by filter pore size were made. Fibers with shorter lengths appeared with filter pore sizes of 5㎛ in comparison to filter pore sizes of 20-25㎛. The results from this study on microplastic generation by fabric during washing, demonstrated the following conclusions that can be used to reduce the release of microplastics. First, the release of microplastics according to fabric weights and washing courses are affected by physical force. Therefore, it is necessary to reduce the amount of physical force due to water flow, increase the fabric weight, or wash the material in low temperatures. Second, in the manufacturing of washing machines, microplastic filtration can be promoted or legislatation supporting microplastic filtration can be introduced.

Keywords

References

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  1. Characterization of Microplastics Released Based on Polyester Fabric Construction during Washing and Drying vol.13, pp.24, 2021, https://doi.org/10.3390/polym13244277