Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Chemical Effect of Acid and Alkali Agents on Polyvinyl Chloride Microplastics

Polyvinyl Chloride의 산과 염기에 대한 내화학성 연구

  • Hak Bong Lee (Department of Organic and Nano Engineering, Hanyang University) ;
  • Kyong Sub Lee (Department of Organic and Nano Engineering, Hanyang University) ;
  • Tae Hee Han (Department of Organic and Nano Engineering, Hanyang University)
  • 이학봉 (한양대학교 유기나노공학과) ;
  • 이경섭 (한양대학교 유기나노공학과) ;
  • 한태희 (한양대학교 유기나노공학과)
  • Received : 2023.03.03
  • Accepted : 2023.04.17
  • Published : 2023.04.30
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Abstract

Plastic manufacturing is increasing due to its advantages (low cost, durability, water-proof property) to various application fields such as agriculture, electronics, medical equipment, and others. At the same time, despite recyclability of plastics, byproducts of plastics are ever increasing resulting in the generation of secondary microplastics (MPs; less than 5 ㎛ in size) caused by various environmental and physicochemical factors. Although pretreatment of MPs was studied due to the hazardous effect of MPs to the ecosystems, chemical effects of agents on the MPS used in the pretreatment were not deeply studied. In this study, the chemical effect of acid, alkali, and oxidizing agent on the PVC based MPs was studied. The PVC MPs were reacted with acids, alkalis, and oxidizing agent at 70 ℃ for 7 days, and changes of morphologies and chemical properties were observed when PVC MPs were reacted with sulfuric acid. The results pertaining to the chemical variations of PVC MPs could be a foundation stone for future research related to the pretreatment of MPs with various chemical agents.

Keywords

Acknowledgement

이 논문은 2020년도 정부(환경부)의 재원을 지원받아 수행된 기후탄소기술개발사업임(2020003110007).

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