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首页> 外文期刊>RSC Advances >Thermal, chemical and morphological properties of carbon fibres derived from chemically pre-treated wool fibres
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Thermal, chemical and morphological properties of carbon fibres derived from chemically pre-treated wool fibres

机译：衍生自化学预处理的羊毛纤维的碳纤维的热，化学和形态学性能

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摘要

In this work, the feasibility of using wool fibre as a carbon fibre precursor was explored as well as whether chemical treatments to wool fibre can increase the carbon fibre yield and properties of the produced carbon fibres. Wool fibres were treated with a range of chemicals including lignin, tannic acid, polystyrene sulphonate, and chlorine in conjunction with a polyamide resin. The treated fibres were stabilised in air at 160 degrees C followed by pyrolysis at 800 degrees C under a nitrogen atmosphere. The resulting carbon fibres were characterised in terms of carbon yield, tensile strength, surface roughness, porosity, crystal structure and surface hydrophobicity. The carbon fibre yield was 16.7% for the untreated while the lignin pre-treatment increased the carbon yield up to 25.8%. Generally the surface of the carbon fibre made from both untreated and treated fibre exhibited high hydrophilicity except the lignin and chlorine/polyamide resintreated fibre which showed hydrophobicity. Although the tensile strength achieved for the various produced carbon fibre was poor compared to a commercially available pitch-based carbon fibre, the developed carbon fibre still can be utilised in thermoplastic composite manufacturing.
机译：在这项工作中，探讨了使用羊毛纤维作为碳纤维前体的可行性以及对羊毛纤维的化学处理是否可以增加所生产的碳纤维的碳纤维产率和性质。用一系列化学品处理羊毛纤维，包括木质素，单宁酸，聚苯乙烯磺酸盐和与聚酰胺树脂结合的氯。将处理过的纤维在160℃下在空气中稳定，然后在氮气氛下在800℃下热解。所得碳纤维的特征在于碳产率，拉伸强度，表面粗糙度，孔隙率，晶体结构和表面疏水性方面。未经处理的碳纤维产率为16.7％，而木质素预处理增加碳产率高达25.8％。通常，由未处理和处理的纤维制成的碳纤维的表面表现出高亲水性，除了木质素和氯/聚酰胺重新清除纤维，其显示出疏水性。尽管与市售的沥青基碳纤维相比，对各种产生的碳纤维的抗拉强度差，但是发育的碳纤维仍然可以用于热塑性复合材料制造。

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