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Published in: Cellulose 7/2021

17-03-2021 | Original Research

Cotton/alginate blended knitted fabrics: flame retardancy, flame‐retardant mechanism, water absorption and mechanical properties

Authors: Ye Tao, Bin Wang, Chang Liu, Ping Li, Ying-Jun Xu, Zhi-Ming Jiang, Yun Liu, Ping Zhu

Published in: Cellulose | Issue 7/2021

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Abstract

The influence of the weaving method on the flame retardancy of the fabrics prepared cannot be ignored. In this work, the thermal stability, flame retardancy, flame-retardant mechanism, mechanical properties and water absorption of cotton/alginate blended knitted fabrics were investigated. Thermogravimetric analysis results showed that the char residues at 700 °C of cotton/alginate blended knitted fabrics increased both in N2 and air. In the cone calorimetry test, compared with cotton knitted fabrics, the fire growth rate index of cotton5/alginate5 decreased from 2.63 to 1.40 kW m−2 s. Thermogravimetric analysis coupled with Fourier transform infrared analysis indicated that the cotton/alginate blended knitted fabrics released more non-flammable gases and fewer inflammable products containing carbonyl and ether groups. Analysis of Raman spectra showed that the char residues of cotton5/alginate5 had a higher degree of graphitization. The analysis of X-ray photoelectron spectroscopy spectra proved the existence of CaCO3 and CaO in the char residues. Moreover, the introduction of alginate fibers improved the water absorption and water retention properties of cotton knitted fabrics, but reduced its mechanical properties.

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Literature
Metadata
Title
Cotton/alginate blended knitted fabrics: flame retardancy, flame‐retardant mechanism, water absorption and mechanical properties
Authors
Ye Tao
Bin Wang
Chang Liu
Ping Li
Ying-Jun Xu
Zhi-Ming Jiang
Yun Liu
Ping Zhu
Publication date
17-03-2021
Publisher
Springer Netherlands
Published in
Cellulose / Issue 7/2021
Print ISSN: 0969-0239
Electronic ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-021-03772-3

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