Characterization of Phosphorus Flame Retardant Pre-treatment on Cellulose-Based Hollow Fiber Carbon Membranes 


Vol. 56,  No. 5, pp. 293-299, Oct.  2019
10.12772/TSE.2019.56.293


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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 (NH4)2HPO4 and polysiloxane emulsion mixture. TGA showed that the HFCMs started to decompose at 150oC and that the carbon yield increased by 9.2% at 850 oC. The HFCMs did not show typical cellulose crystalline peaks at 350oC in XRD analysis. The flexibility of the HFCMs decreased as the final pyrolysis temperature increased. (NH4)2HPO4 treatment lowered the degree of flexibility of the HFCMs. The tensile strength and tensile modulus increased with the pyrolysis temperature.

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pISSN : 1225 - 1089
eISSN : 2288 - 6419

한국연구재단 우수등재학술지 유지 (2022년)