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Environmentally friendly flame-retardant materials produced by atmospheric pressure plasma modifications

机译:通过大气压等离子体改性生产的环保阻燃材料

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摘要

The objective of this work was to investigate plasma modification of viscose for environmentally friendly flame-retardant cellulosic materials. Sodium silicate layers were predeposited onto viscose and cotton flannel substrates and grafted/crosslinked using atmospheric pressure plasma. The modified cellulosic fabrics tested with the automated 45° angle test chamber showed significant improvement in their flame-retardant properties. Analysis conducted by TGA and DSC exhibited enhanced thermal stability of the treated fabrics. Furthermore, the surface analysis (XPS and SEM) confirmed the presence of the SiO _2 network attached to the substrate even after intense ultrasound washes.
机译:这项工作的目的是研究对环保型阻燃纤维素材料的粘胶的等离子体改性。将硅酸钠层预先沉积在粘胶纤维和棉绒布基材上,并使用大气压等离子体接枝/交联。用自动45°角测试室测试的改性纤维素织物在阻燃性能上有显着改善。由TGA和DSC进行的分析显示出经处理的织物的增强的热稳定性。此外,表面分析(XPS和SEM)证实,即使在强烈的超声波清洗后,仍存在附着在基材上的SiO _2网络。

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