Characterization And Wettability Of Superhydrophobic Filled Plasticized Polyvinyl Chloride

Nowadays, superhydrophobic surfaces have become an interest in research industry. This is because the superhydrophobic surface able to be used in various applications such as coating, textile and biomedical field. The term superhydrophobic is describing the poor wettability of a surface with the con...

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Main Author: Marahat, Muhammad Hanif
Format: Monograph
Language:English
Published: Universiti Sains Malaysia 2017
Subjects:
Online Access:http://eprints.usm.my/52304/
http://eprints.usm.my/52304/1/Characterization%20And%20Wettability%20Of%20Superhydrophobic%20Filled%20Plasticized%20Polyvinyl%20Chloride_Muhammad%20Hanif%20Marahat_B1_2017.pdf
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author Marahat, Muhammad Hanif
author_facet Marahat, Muhammad Hanif
author_sort Marahat, Muhammad Hanif
building USM Institutional Repository
collection Online Access
description Nowadays, superhydrophobic surfaces have become an interest in research industry. This is because the superhydrophobic surface able to be used in various applications such as coating, textile and biomedical field. The term superhydrophobic is describing the poor wettability of a surface with the contact angle greater than 150o. The objective for this research is to prepare superhydrophobic plasticized PVC filled with precipitated calcium carbonate (PCC) that was coated with stearic acid. The used of the coated filler is to lower down the surface energy of the filler particles. The effect of filler addition on plasticized PVC compounds was analyzed by tensile strength. Furthermore, the wettability and surface morphology were evaluated using field emission scanning electrode microscopy (FESEM), contact angle measurement and atomic force microscopy (AFM). Other than that, to further improved the surface roughness, technique of rubbing sandpaper with 500 grit on the coating sample was being used. It can be inferred that the addition of filler and solvent reduces the strength and flexibility of plasticized PVC compounds. The increase in filler loading will increase the modulus and toughness, while solvent introduced an opposite effect to the compound. The addition of filler was able to increase the contact angle of the plasticized PVC from 89.39o up to 126.67o. The increase in fillers along with the effect of sandpaper rubbing also increases the surface roughness which is one of the critical factors in enhancing the hydrophobicity of the compounds. However, the contact angle obtained are still not reaching the target of superhydrophobic with contact angle,θ greater than150o.
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institution Universiti Sains Malaysia
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language English
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spelling usm-523042022-04-13T04:11:44Z http://eprints.usm.my/52304/ Characterization And Wettability Of Superhydrophobic Filled Plasticized Polyvinyl Chloride Marahat, Muhammad Hanif T Technology TA401-492 Materials of engineering and construction. Mechanics of materials Nowadays, superhydrophobic surfaces have become an interest in research industry. This is because the superhydrophobic surface able to be used in various applications such as coating, textile and biomedical field. The term superhydrophobic is describing the poor wettability of a surface with the contact angle greater than 150o. The objective for this research is to prepare superhydrophobic plasticized PVC filled with precipitated calcium carbonate (PCC) that was coated with stearic acid. The used of the coated filler is to lower down the surface energy of the filler particles. The effect of filler addition on plasticized PVC compounds was analyzed by tensile strength. Furthermore, the wettability and surface morphology were evaluated using field emission scanning electrode microscopy (FESEM), contact angle measurement and atomic force microscopy (AFM). Other than that, to further improved the surface roughness, technique of rubbing sandpaper with 500 grit on the coating sample was being used. It can be inferred that the addition of filler and solvent reduces the strength and flexibility of plasticized PVC compounds. The increase in filler loading will increase the modulus and toughness, while solvent introduced an opposite effect to the compound. The addition of filler was able to increase the contact angle of the plasticized PVC from 89.39o up to 126.67o. The increase in fillers along with the effect of sandpaper rubbing also increases the surface roughness which is one of the critical factors in enhancing the hydrophobicity of the compounds. However, the contact angle obtained are still not reaching the target of superhydrophobic with contact angle,θ greater than150o. Universiti Sains Malaysia 2017-07-01 Monograph NonPeerReviewed application/pdf en http://eprints.usm.my/52304/1/Characterization%20And%20Wettability%20Of%20Superhydrophobic%20Filled%20Plasticized%20Polyvinyl%20Chloride_Muhammad%20Hanif%20Marahat_B1_2017.pdf Marahat, Muhammad Hanif (2017) Characterization And Wettability Of Superhydrophobic Filled Plasticized Polyvinyl Chloride. Project Report. Universiti Sains Malaysia, Pusat Pengajian Kejuruteraan Bahan Sumber Mineral. (Submitted)
spellingShingle T Technology
TA401-492 Materials of engineering and construction. Mechanics of materials
Marahat, Muhammad Hanif
Characterization And Wettability Of Superhydrophobic Filled Plasticized Polyvinyl Chloride
title Characterization And Wettability Of Superhydrophobic Filled Plasticized Polyvinyl Chloride
title_full Characterization And Wettability Of Superhydrophobic Filled Plasticized Polyvinyl Chloride
title_fullStr Characterization And Wettability Of Superhydrophobic Filled Plasticized Polyvinyl Chloride
title_full_unstemmed Characterization And Wettability Of Superhydrophobic Filled Plasticized Polyvinyl Chloride
title_short Characterization And Wettability Of Superhydrophobic Filled Plasticized Polyvinyl Chloride
title_sort characterization and wettability of superhydrophobic filled plasticized polyvinyl chloride
topic T Technology
TA401-492 Materials of engineering and construction. Mechanics of materials
url http://eprints.usm.my/52304/
http://eprints.usm.my/52304/1/Characterization%20And%20Wettability%20Of%20Superhydrophobic%20Filled%20Plasticized%20Polyvinyl%20Chloride_Muhammad%20Hanif%20Marahat_B1_2017.pdf