The influence of coating-carbonization cycles toward P84 co-polyimide/nanocrystalline cellulose

Norazlianie Sazali, Wan Norharyati Wan Salleh, Nor Hafiza Ismail, Ahmad Fauzi Ismail, Murakami Hideyuki, Yuji Iwamoto

Research output: Contribution to journalArticle

Abstract

Assessment and manufacturing of tubular carbon membrane from P84 co-polyimide (PI) mixtures and nanocrystalline cellulose (NCC) are described in this study. According to the previous work, a hypothesis was formulated stating that manipulation of carbonization parameters can control the performance of a tubular carbon membrane. This study introduces effective dip-coating methods for high-performance tubular carbon membrane production. On the basis of the outcome of this study, the coating-carbonization cycle (one, two, three, or four times) has been recognized as a major influence on the separation efficiency. Gas separation performance, selectivity, permeability, and the transport mechanism of the carbon membranes were adequately evaluated by pure O2 and N2. The PI/NCC scanning electron microscopy images show that all of the carbon membrane samples are composed of a dense structure, whereas the Fourier transform infrared spectroscopy analysis exposes that the existence of functional groups is decreased for all coating-carbonization cycle samples. The X-ray diffraction result shows that the membrane carbon structures are amorphous in nature. In this research, the application of two coating-carbonization cycles has resulted in a carbon membrane with the highest selectivity and O2 permeability, which are 9.29 ± 2.54 and 29.92 ± 2.98 GPU, respectively.

Original languageEnglish
JournalComptes Rendus Chimie
DOIs
Publication statusAccepted/In press - 2019 Jan 1

Fingerprint

Carbonization
Polyimides
Cellulose
Carbon
Membranes
Coatings
Functional groups
Fourier transform infrared spectroscopy
Gases
X ray diffraction
Scanning electron microscopy

Keywords

  • Dip-coating-carbonization cycles
  • Nanocrystalline cellulose (NCC)
  • Oxygen separation
  • Polyimide precursor
  • Selectivity
  • Tubular carbon membrane

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)

Cite this

The influence of coating-carbonization cycles toward P84 co-polyimide/nanocrystalline cellulose. / Sazali, Norazlianie; Salleh, Wan Norharyati Wan; Ismail, Nor Hafiza; Ismail, Ahmad Fauzi; Hideyuki, Murakami; Iwamoto, Yuji.

In: Comptes Rendus Chimie, 01.01.2019.

Research output: Contribution to journalArticle

Sazali, Norazlianie ; Salleh, Wan Norharyati Wan ; Ismail, Nor Hafiza ; Ismail, Ahmad Fauzi ; Hideyuki, Murakami ; Iwamoto, Yuji. / The influence of coating-carbonization cycles toward P84 co-polyimide/nanocrystalline cellulose. In: Comptes Rendus Chimie. 2019.
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