Effect of Sodium Ion on Flame Retardance and Thermal Degradation of Cellulose Fiber

Dong Mei Xu; Quan Ji; Feng Yu Quan; Xiao Mei Ma; Yan Zhi Xia

doi:10.4028/www.scientific.net/AMR.634-638.955

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 634-638Effect of Sodium Ion on Flame Retardance and...

Effect of Sodium Ion on Flame Retardance and Thermal Degradation of Cellulose Fiber

Abstract:

Flame retardance and thermal degradation of CMC-Na fibers were investigated using limiting oxygen index (LOI), thermal gravimetry (TG), differential TG (DTG) and Scanning electron microscopy (SEM). The LOI values of different CMC-Na fibers are 23, 26, 28.5, 31 and 34, compared with about 20 for viscose fiber. TG and DTG studies indicate that the temperature of maximum degradation rate and the maximum degradation rate for CMC-Na fibers are much lower than those of viscose fiber. However, CMC-Na fibers generate much more residues or carbonaceous char than does viscose fiber. The increase of sodium ion content, the carbon residual also increases. SEM studies of combustion residues after LOI testing indicate that all CMC-Na fibers produce intumescent, hard and brittle residue crusts.

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Periodical:

Advanced Materials Research (Volumes 634-638)

Pages:

955-959

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.634-638.955

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Online since:

January 2013

Authors:

Dong Mei Xu, Quan Ji, Feng Yu Quan, Xiao Mei Ma, Yan Zhi Xia

Keywords:

Cellulose Fiber, Flame Retardance, Sodium Ion, Thermal Degradation

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