Simple method for preparing thin film composite polyamide nanofiltration membrane based on hydrophobic polyvinylidene fluoride support membrane

Ju Sung Lee, Jin Ah Seo, Hyun Ho Lee, Sung Kuk Jeong, Hyun Sic Park, Byoung Ryul Min

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

This study attempts to prepare thin film composite (TFC) polyamide (PA) membrane using polyvinylidene fluoride (PVDF) as support membrane. PVDF has superior physical characteristics but is difficult to be used as TFC PA support membrane because of its strong hydrophobicity. However, in this study TFC PA membrane was prepared using a simple method of flowing trimesoyl chloride (TMC) organic solution at a specific velocity after putting specific quantity of m-phenylenediamine (MPD) aqueous solution on hydrophobic PVDF support membrane. The presence of polyamide formed by the interfacial polymerization of MPD and TMC were verified with X-ray photoelectron spectroscopy and attenuated total reflectance-fourier transform infra-red spectrophotometer, and field emission scanning electron microscopy and atomic force microscopy were used to observe the TFC PA membrane's surface and structural characteristics. The prepared TFC PA membrane showed maximum performance at TMC organic solution flow velocity of 1.21 m/s and TMC concentration of 0.3% (w/v). The TFC PA membrane prepared under these optimal conditions showed rejection rates of 68.14, 88.80, and 96.06% against NaCl, CaCl2 Na2SO4 5000 ppm, respectively. This proved that the TFC PA membrane prepared in this study had nanofiltration performance.

Original languageEnglish
Pages (from-to)136-143
Number of pages8
JournalThin Solid Films
Volume624
DOIs
Publication statusPublished - 2017 Feb 28

Fingerprint

Nanofiltration membranes
Nylons
vinylidene
Polyamides
fluorides
membranes
Membranes
Thin films
composite materials
Composite materials
thin films
Chlorides
chlorides
infrared spectrophotometers
Infrared spectrophotometers
polyvinylidene fluoride
Nanofiltration
Hydrophobicity
hydrophobicity
Flow velocity

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

Cite this

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title = "Simple method for preparing thin film composite polyamide nanofiltration membrane based on hydrophobic polyvinylidene fluoride support membrane",
abstract = "This study attempts to prepare thin film composite (TFC) polyamide (PA) membrane using polyvinylidene fluoride (PVDF) as support membrane. PVDF has superior physical characteristics but is difficult to be used as TFC PA support membrane because of its strong hydrophobicity. However, in this study TFC PA membrane was prepared using a simple method of flowing trimesoyl chloride (TMC) organic solution at a specific velocity after putting specific quantity of m-phenylenediamine (MPD) aqueous solution on hydrophobic PVDF support membrane. The presence of polyamide formed by the interfacial polymerization of MPD and TMC were verified with X-ray photoelectron spectroscopy and attenuated total reflectance-fourier transform infra-red spectrophotometer, and field emission scanning electron microscopy and atomic force microscopy were used to observe the TFC PA membrane's surface and structural characteristics. The prepared TFC PA membrane showed maximum performance at TMC organic solution flow velocity of 1.21 m/s and TMC concentration of 0.3{\%} (w/v). The TFC PA membrane prepared under these optimal conditions showed rejection rates of 68.14, 88.80, and 96.06{\%} against NaCl, CaCl2 Na2SO4 5000 ppm, respectively. This proved that the TFC PA membrane prepared in this study had nanofiltration performance.",
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Simple method for preparing thin film composite polyamide nanofiltration membrane based on hydrophobic polyvinylidene fluoride support membrane. / Lee, Ju Sung; Seo, Jin Ah; Lee, Hyun Ho; Jeong, Sung Kuk; Park, Hyun Sic; Min, Byoung Ryul.

In: Thin Solid Films, Vol. 624, 28.02.2017, p. 136-143.

Research output: Contribution to journalArticle

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AU - Park, Hyun Sic

AU - Min, Byoung Ryul

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AB - This study attempts to prepare thin film composite (TFC) polyamide (PA) membrane using polyvinylidene fluoride (PVDF) as support membrane. PVDF has superior physical characteristics but is difficult to be used as TFC PA support membrane because of its strong hydrophobicity. However, in this study TFC PA membrane was prepared using a simple method of flowing trimesoyl chloride (TMC) organic solution at a specific velocity after putting specific quantity of m-phenylenediamine (MPD) aqueous solution on hydrophobic PVDF support membrane. The presence of polyamide formed by the interfacial polymerization of MPD and TMC were verified with X-ray photoelectron spectroscopy and attenuated total reflectance-fourier transform infra-red spectrophotometer, and field emission scanning electron microscopy and atomic force microscopy were used to observe the TFC PA membrane's surface and structural characteristics. The prepared TFC PA membrane showed maximum performance at TMC organic solution flow velocity of 1.21 m/s and TMC concentration of 0.3% (w/v). The TFC PA membrane prepared under these optimal conditions showed rejection rates of 68.14, 88.80, and 96.06% against NaCl, CaCl2 Na2SO4 5000 ppm, respectively. This proved that the TFC PA membrane prepared in this study had nanofiltration performance.

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