Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Characterization of Phosphorus Flame Retardant Pre-treatment on Cellulose-Based Hollow Fiber Carbon Membranes

인계난연제 전처리에 따른 셀룰로스계 중공사 탄소막의 특성분석

  • Lee, Su-Oh (Department of Carbon Material Fiber Engineering, Chonbuk National University) ;
  • Chung, Yong-Sik (Department of Carbon Material Fiber Engineering, Chonbuk National University)
  • 이수오 (전북대학교 탄소소재파이버공학과) ;
  • 정용식 (전북대학교 탄소소재파이버공학과)
  • Received : 2019.09.22
  • Accepted : 2019.10.07
  • Published : 2019.10.31
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Abstract

This study investigated the effect of phosphorus flame retardant treatment on cellulose-based hollow fiber carbon membranes (HFCMs). The HFCMs were prepared by the pyrolysis of cellulose hollow fiber treated with an $(NH_4)_2HPO_4$ and polysiloxane emulsion mixture. TGA showed that the HFCMs started to decompose at $150^{\circ}C$ and that the carbon yield increased by 9.2% at $850^{\circ}C$. The HFCMs did not show typical cellulose crystalline peaks at $350^{\circ}C$ in XRD analysis. The flexibility of the HFCMs decreased as the final pyrolysis temperature increased. $(NH_4)_2HPO_4$ treatment lowered the degree of flexibility of the HFCMs. The tensile strength and tensile modulus increased with the pyrolysis temperature.

Keywords

References

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