Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Effect of ZnO Nanoparticles on the UV Resistance of Poly(p-phenylene benzobisoxazole) Fiber

산화아연 나노입자가 Poly(p-phenylene benzobisoxazole) 섬유의 자외선 저항성 향상에 미치는 영향

  • Kim, Sung Hea (Department of Polymer Science and Engineering, Kumoh National Institute of Technology) ;
  • Lee, Sang Cheol (Department of Polymer Science and Engineering, Kumoh National Institute of Technology) ;
  • Min, Byung Gil (Department of Materials Design Engineering, Kumoh National Institute of Technology)
  • 김성혜 (금오공과대학교 화학소재융합공학부 고분자공학전공) ;
  • 이상철 (금오공과대학교 화학소재융합공학부 고분자공학전공) ;
  • 민병길 (금오공과대학교 화학소재융합공학부 소재디자인공학전공)
  • Received : 2018.11.07
  • Accepted : 2018.12.20
  • Published : 2018.12.31
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Abstract

Poly(${\rho}$-phenylene benzobisoxazole) (PBO) and it's nanocomposites with ZnO nanoparicles containing 0.5-2.0 wt% were successfully fabricated in poly(phospheric acid) and $P_2O_5$ via in situ polymerization to investigate the improvement for the UV resistance of PBO fiber. The as-polymerized solutions having 14 wt% of PBO solid content were spun at liquid crystalline state through dry-jet wet spinning to prepare PBO and it's nanocomposite fibers. It was found that the ZnO nanoparticles were dispersed individually in the fibers from SEM observation because of in situ polymerization for a long time up to 33 h. It was concluded that ZnO nanoparticles were significantly effective in enhacing UV resistance of PBO fiber even at low addition amount by exhibiting much lower reduction in tensile strength under the same UV exposure time.

Keywords

References

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