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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1134Effect of Molecular Weight on Morphological...

Effect of Molecular Weight on Morphological Structure of Electrospun PVA Nanofibre

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Abstract:

This work focuses on the preparation of electrospun Polyvinyl Alcohol (PVA) nanofibres of three different molecular weights. The electrospinning process parameters were varied in terms of the voltage and feed rate. Scanning Electron Microscopy technique was used to characterize the morphological structure of the electrospun PVA nanofibre. The results show that the average fibre diameter increased as the molecular weight of the polymer increased. The formation of beads occurs from the lowest molecular weight sample of 89K However, long, continuous and beaded-free fibres were obtained from the 125K and 205K polymer weight PVA. The results also suggest that higher spinning voltage and feed rate produce larger fibre diameter, respectively.Keywords : Polyvinyl Alcohol, nanofibres, molecular weight, electrospinningCorresponding Author:Khairunnadim Ahmad Sekak, Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM), Shah Alam, 40450 Selangor Darul Ehsan.Email: nadim821@salam.uitm.edu.my

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Advanced Materials Research (Volume 1134)

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203-208

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https://doi.org/10.4028/www.scientific.net/AMR.1134.203

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Online since:

December 2015

Authors:

Nur Athirah Abdullah, Khairunnadim Ahmad Sekak*, Mohd Rozi Ahmad

Keywords:

Electrospinning, Molecular Weight, Nanofibre, Polyvinyl Alcohol

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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