Improving Activated Carbon-Loaded Fibres for Chemical Protective Clothing
Author Information
Author(s): Li Xiaosong, Li Bo, Xu Qibin, Meng Lingcheng, Wu Deyang, Liu Pengqing, Salaün Fabien, Zhang Shengchang
Primary Institution: College of Polymer Science & Engineering, Sichuan University, Chengdu, China
Hypothesis
The hot-drawing process will enhance the mechanical properties and gas-absorption capacity of activated carbon-loaded porous composite fibres.
Conclusion
The hot-drawing process significantly improved the mechanical properties and maintained a high gas-absorption capacity of the activated carbon-loaded PMIA porous fibres.
Supporting Evidence
- The tensile strength of AC-loaded PMIA porous-drawn fibres increased to 1.5 cN/dtex after hot drawing.
- The gas-absorption capacity of drawn composite fibres was maintained at 98.53 mg/g.
- Hot drawing transformed inhomogeneous pore morphologies into more homogeneous structures.
- AC-loaded PMIA porous composite fibres showed comparable performance to commercial absorption layers.
Takeaway
Scientists made special fibres that can absorb gases better and are stronger by stretching them when they are hot. This helps make better protective clothing.
Methodology
The study involved fabricating activated carbon-loaded PMIA fibres using a wet-spinning process, followed by a hot-drawing process to enhance their properties.
Limitations
The improvement in mechanical properties after hot drawing was limited due to the presence of porous structures and activated carbon particles at stress concentration points.
Digital Object Identifier (DOI)
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