Control of Mechanical Properties and Permeability of Electrospun Natural Rubber with Different Composite Systems

Sarawuth Sithornkul; Poonsub Threepopnatkul

doi:10.4028/www.scientific.net/AMR.93-94.619

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Performance of a Micro Pump Driven by Conducting Polymer Soft Actuator Based on Polypyrrole
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Control of Mechanical Properties and Permeability of Electrospun Natural Rubber with Different Composite Systems
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Partial Characterization of Biosurfactant Produced under Anaerobic Conditions by Pseudomonas sp ANBIOSURF-1
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 93-94Control of Mechanical Properties and Permeability...

Control of Mechanical Properties and Permeability of Electrospun Natural Rubber with Different Composite Systems

Abstract:

The electrospun natural rubber (NR) with two different components namely: acrylonitrile butadiene styrene (ABS) and carbon black (CB) have been extensively studied. The main objective was to investigate the mechanical properties and permeability dependency of NR/ABS and NR/CB as well as its contents. NR/CB was compounded by torque rheometer (Brabender) while ABS was dissolved with NR using tetrahydrofuran (THF) as its solvent. Sulfur was used as the vulcanizing agent in both systems. Mechanical properties were evaluated by universal testing machine and permeability was observed by water vapour permeability. The optimum conditions for electrospun NR/ABS and NR/CB non-woven mats were as follows: flow rate 30 ml/h, voltage 15 kV, collector distance 20 cm and collected on rotating circular plate at 1000 rpm. The results of mechanical properties showed that for electrospun NR/CB fiber membranes, the higher the CB loading it had, the lower its tensile strength and elongation it would be. Whilst electrospun NR/ABS fiber mats, the elongation behavior was affected by the ABS loading but not the tensile strength. For permeability, NR/CB was shown to possess relatively higher permeability than the NR/ABS non-woven mats.