Content of plasticizers and heavy metals in the selling PVC wallpapers

시판 PVC 벽지 중 가소제 및 중금속 함량

  • Lee, Cheol-Won (Department of Environmental science, Kangwon National University) ;
  • Jung, Tak-Kyo (Department of Environmental science, Kangwon National University) ;
  • Kim, Man-Goo (Department of Environmental science, Kangwon National University)
  • 이철원 (강원대학교 자연과학대학 환경과학과) ;
  • 정탁교 (강원대학교 자연과학대학 환경과학과) ;
  • 김만구 (강원대학교 자연과학대학 환경과학과)
  • Received : 2007.08.28
  • Accepted : 2008.04.04
  • Published : 2008.04.25

Abstract

Plasticizer and heavy metals in domestic PVC wallpaper manufactured in Korea after 2005 were analyzed to identify the contained quantity in comparison with the 2002 manufactured PVC wallpapers. Plasticizer of wallpapers was analyzed by the method KSM1991 which uses soxhlet extraction with n-hexane and GC/FID. Heavy metals were pre-treated with 0.07 mol/L hydrochloric acid (HCl) and analyzed by ICP/OES according to the EN 71-part 3 method. DEHP, DINP, DEP, acetyl tributyl citrate were identified from wallpaper. Contents of DEHP, DINP were 0.2~11.3%, 17.9~27.8% respectively in 6 wallpapers, DEP and acetyl tributyl citrate were 1.5%, 8.9% respectively in one wallpaper. Plasticizers have changed from DEHP that has possibility of hazards to DINP, DEP and acetyl tributyl citrate as compared with 2002. Heavy metals were detected under guide line from all of the wallpapers except fire-retardant wallpaper contain antimony. While PVC wallpaper was improved by use of various plasticizer, functional wallpapers such as fire-resistant wallpaper contain high antimony in this study.

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