Abstract
Jute yarns were treated by tap water with and without tension at room temperature for 20 minutes and then dried. Fibre and yarn strength were measured before and after treatment. Unidirectional (UD) composites were made by both treated and untreated yarns with and without applying hydroxyethyl cellulose (HEC) as size material. Water-treated jute yarns without tension and composites made of those yarns showed decreased strength, and water treated jute yarns with tension and composites made of those yarns showed increased strength with respect to raw yarns and composites made of raw yarns. However, no specific trend was noticed for fibre tensile strength and tensile modulus. HEC sized yarns showed up to 12% higher failure load with respect to unsized yarns, and composites made of HEC sized yarns showed up to 17% and 12% increase in tensile strength and tensile modulus, respectively, compared to composites made of similar types of unsized yarns.
Highlights
Cellulose-based fibres can be an ideal source of reinforcement material for composite production due to their abundant production and supply
Experimental results showed that the surface treatment studied in this research work did not affect the tensile properties of jute fibre
Application of hydroxyethyl cellulose (HEC) size and water treatment had no effect on the properties of jute fibre
Summary
Cellulose-based fibres can be an ideal source of reinforcement material for composite production due to their abundant production and supply. Cotton contains a very high percentage of cellulose, and it secures the first position according to production among the important cellulosic fibres It has limited use in composite production due to moderate mechanical properties [5] and high level of ecological impact for cultivation of cotton [6]. Jute is a cheap fibre, and the position of jute is second according to yearly production worldwide (Table 1) among important usable cellulosic fibres. It has very good mechanical properties (tensile modulus 32 GPa and tensile strength 550 MPa [7]) and has the versatility to use in different textile preforms. All these attractive properties developed interest to choose jute fibre for this research work
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