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首页> 外文期刊>Fibres & textiles in Eastern Europe >Analytical Assessment of the Thermal Decomposition of Cotton-Modacryl Knitted Fabrics
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Analytical Assessment of the Thermal Decomposition of Cotton-Modacryl Knitted Fabrics

机译：棉-腈纶针织物热分解的分析评估

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摘要

Fabric flammability is affected by various factors such as the fibre composition, fabric construction, FR (flame retardant) finish, oxygen concentration and environmental conditions (moisture content, heat). Inherently FR fabrics are synthetics which have been changed at the molecular level to make the fabrics thermally stable and able to pass FR tests. The thermal properties of knitted fabrics produced from cotton, modacryl and their blends were investigated in this paper. The design of FR knitted fabrics and an optimal blend ratio were evaluated by different thermoanalytical methods: the flame behaviour and thermal stability with the limited oxygen index (LOI), thermal gravimetric analysis (TGA), coupled thermal gravimetry - Fourier transform infrared technique (TG-FTIR) and microscale combustion calorimetry (MCC). Surface characterisation of the knitted fabrics designed was evaluated by the streaming potential method. Knitted fabric in the blend ratio C50:M50 proved to possess the most favourable FR characteristics, additionally confirmed by optimal hydrophilic properties evaluated through zeta potential measurement.
机译：织物的易燃性受多种因素的影响，例如纤维组成，织物结构，FR（阻燃）整理剂，氧气浓度和环境条件（水分，热量）。 FR织物本质上是合成的，在分子水平上已进行了更改，以使织物具有热稳定性并能够通过FR测试。本文研究了由棉，变性腈纶及其混纺织物制成的针织物的热性能。 FR针织物的设计和最佳混纺比通过不同的热分析方法进行了评估：有限氧指数（LOI）的火焰行为和热稳定性，热重量分析（TGA），热重分析-傅里叶变换红外技术（TG） -FTIR）和微型燃烧量热法（MCC）。通过流动电势法评估设计的针织物的表面特性。混合比为C50：M50的针织物被证明具有最有利的FR特性，此外还通过通过Zeta电位测量评估的最佳亲水性得到了证实。

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