Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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UV Stability of LDPE Films for Tarpaulin

타포린 코팅층용 저밀도 폴리에틸렌 필름의 자외선 안정성

  • Kim, Yoon Jin (Technical Textile R&D Group, Korea Institute of Industrial Technology) ;
  • Choi, Jae Ho (Industrial Fiber & Products R&D Team, Huvis) ;
  • Im, Jung Nam (Technical Textile R&D Group, Korea Institute of Industrial Technology)
  • 김윤진 (한국생산기술연구원 산업용섬유그룹) ;
  • 최재호 (휴비스 산자팀) ;
  • 임정남 (한국생산기술연구원 산업용섬유그룹)
  • Received : 2017.04.10
  • Accepted : 2017.05.31
  • Published : 2017.06.30
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Abstract

Tarpaulins are coated fabrics having various industrial applications. Environmental concerns related to the phthalate-plasticizer and limited recyclability of PVC tarpaulins have recently been raised. Although LDPE has been considered a good substitute for PVC, the poor UV stability and low adhesion of LDPE films limit their applications. In this study, various Hindered Amine Light Stabilizers(HALS) were compounded with LDPE. In addition, ethylene vinyl acetate(EVA) was also blended into LDPE in order to improve its adhesion. Although the initial tensile strength and elongation were decreased by the addition of HALS, the UV stability of the films was significantly improved. The adhesion of LDPE was improved by blending with EVA. The LDPE/EVA blended films maintained more than 90% of their tensile strength and elongation compared to their initial values, even after 1,000 hrs of UV irradiation, when the content of EVA were 12 and 18 wt%.

Keywords

References

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