Malaysian Journal of Analytical Sciences Vol 20 No 3 (2016): 660 - 669

DOI: http://dx.doi.org/10.17576/mjas-2016-2003-27

 

 

 

EFFECT OF PROCESS PARAMETERS ON THE SYNTHESIS OF POLYPYRROLE BY THE TAGUCHI METHOD

 

(Kesan Pembolehubah Proses Terhadap Sintesis Polipirola Menggunakan Kaedah Taguchi)

 

Rika Sri Utami¹, Ifa Puspasari¹, Loh Kee Shyuan¹*, Abu Bakar Mohamed^{1, 2}, Sagir Alva³

 

¹Fuel Cell Institute

²Department of Chemical and Process Engineering, Faculty of Engineering and Built Environment

Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor, Malaysia

³Mechanical Engineering Department, Engineering Faculty,

Mercu Buana University, 11650 Jakarta, Indonesia

 

*Corresponding author: ksloh@ukm.edu.my 

 

 

Received: 5 February 2016; Accepted: 22 April 2016

 

 

Abstract

Polypyrrole is a conductive polymer that is widely used in electrochemical applications. To identify the effects of different parameters on the synthesis of polypyrrole, an experimental design based on an orthogonal array L₉ (3⁴) proposed by Taguchi was applied. The parameters investigated were the oxidant type, molar ratio of oxidant: pyrrole, reaction time and dopant concentration, whereas the response variables observed were the yield, particle size and conductivity. Field Emission Scanning Electron Microscope (FESEM) characterization was used to study the morphology characteristics of the polypyrrole particles. Based on the signal-to-noise (S/N) ratio and the results of analysis of variance (ANOVA), the molar ratio of oxidant: pyrrole and the oxidant type significantly affected the yield and conductivity of the synthesized polypyrrole particles.

 

Keywords:  design of experiment, conductive polymer, yield, particle size, conductivity

 

Abstrak

Polipirola merupakan polimer konduktif yang digunakan secara meluas dalam aplikasi elektrokimia. Bagi tujuan mengenal pasti kesan-kesan parameter yang berbeza pada sintesis polipirola, reka bentuk eksperimen berdasarkan ortogon L₉ (3⁴) yang dicadangkan oleh Taguchi telah digunakan. Parameter yang dikaji ialah jenis oksidan, nisbah molar oksidan: pirola, masa tindak balas dan kepekatan pendopan, manakala pemboleh ubah sambutan yang diperhatikan adalah jumlah hasil, saiz zarah dan kekonduksian. Pencirian FESEM telah digunakan untuk mengkaji morfologi zarah polipirola. Berdasarkan nisbah isyarat-hingar (S/N) dan hasil analisis varians (ANOVA), nisbah molar oksidan: pirola dan jenis oksidan memberi kesan yang ketara kepada hasil dan kekonduksian dari sintesis polipirola.

 

Kata kunci: reka bentuk eksperimen, polimer konduktif, jumlah hasil, saiz zarah, kekonduksian

 

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