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Novel hydrophobic PVDF/APTES-GO nanocomposite for natural gas pipelines coating

Chiong, S. J. and Goh, P. S. and Ismail, A. F. (2017) Novel hydrophobic PVDF/APTES-GO nanocomposite for natural gas pipelines coating. Journal of Natural Gas Science and Engineering, 42 . pp. 190-202. ISSN 1875-5100

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Polyvinylidene fluoride (PVDF) nanocomposites were successfully prepared by solvent casting approach using graphene oxide (GO) and 3-aminopropyltriethoxysilane-graphene oxide (APTES-GO) as nanofillers. Field emission scanning electron microscope (FESEM) revealed that the PVDF nanocomposites exhibited features of symmetric membrane. Incorporation of 0.4�wt% of APTES-GO into the PVDF matrix led to a significant decrease in wettability with water contact angle (CA) of 102� as compared to 62� for 0.4�wt% GO and 80� for neat PVDF. PVDF/APTES-GO has increased 2350% in tensile modulus as compared to 75% increased in PVDF/GO nanocomposite. Carbon steel plate, which has similar properties with commercial carbon steel pipelines was used in the salt spray and acid immersion tests. PVDF/APTES-GO nanocomposite coating was found to exhibit excellent corrosion protection and good adhesion property than other coatings in corrosive environments.

Item Type:Article
Uncontrolled Keywords:Fluorine compounds, Graphene
Subjects:T Technology > TP Chemical technology
Divisions:Chemical Engineering
ID Code:76522
Deposited By: Fazli Masari
Deposited On:31 May 2018 17:24
Last Modified:31 May 2018 17:24

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