Malaysian Journal of Analytical Sciences Vol 26 No 4 (2022): 829 - 837

 

 

 

 

THE COMPATIBILITY OF JACKFRUIT SEED STARCH AND POLYVINYL ALCOHOL BLEND AS BIOPOLYMER ELECTROLYTE HOST

 

(Keserasian Kanji Biji Nangka dan Campuran Polivinil Alkohol sebagai Hos Elektrolit Biopolimer)

 

Raihan Ramli¹, Fairuzdzah Ahmad Lothfy¹*, Asiah Mohd Nor², Ab Malik Marwan Ali²

 

¹Faculty of Applied Science,

Universiti Teknologi MARA Pahang, 26400 Bandar Tun Abdul Razak Jengka, Pahang, Malaysia

²Faculty of Applied Science,

Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia

 

*Corresponding author:  fairuzdzah@uitm.edu.my

 

 

Received: 29 March 2022; Accepted: 3 July 2022; Published: 25 August 2022

 

 

Abstract

Biopolymer electrolytes have a lot of potential for future electrochemical device developments because of their environmentally-friendly features. In general, the structural characteristics of the biopolymer host play the most crucial impact in determining electrolyte conductivity. However, the semi crystallinity structure of biopolymer hosts caused the reduction of electrolyte conductivity. As a result, in this study, the structural characteristics of the biomaterial have been modified by blending jackfruit seed starch (JSS) and polyvinyl alcohol (PVA) to obtain the optimal composition of the blend that is compatible to be employed as a biopolymer electrolyte host. The jackfruit seed starch and polyvinyl alcohol were blended with various compositions using the solution casting technique. The purpose of this study is to look into the amorphousness, functional groups, and morphology of JSS with PVA blend and determine the compatibility of JSS with PVA blend as a polymer electrolyte host.  The best compatible blend composition is JSS-PVA with a 1:1 ratio, which has the highest degree of amorphosity and the highest percentage of hydrogen bonding contact, C=O stretching, and C-O vibrations. Scanning electron microscopy investigation confirms the results, indicating that the blend is evenly dispersed.

 

Keywords:  jackfruit seed starch, polyvinyl alcohol, biopolymer electrolyte host, amorphous

 

Abstrak

Elektrolit biopolimer mempunyai banyak potensi untuk perkembangan peranti elektrokimia masa depan kerana ciri-ciri mesra alamnya. Secara umumnya, ciri-ciri struktur hos biopolimer memainkan peranan yang paling penting dalam menentukan kekonduksian elektrolit. Walau bagaimanapun, struktur separa kristal perumah biopolimer menyebabkan pengurangan dalam kekonduksian elektrolit. Hasilnya, dalam kajian ini, ciri-ciri struktur biomaterial telah diubahsuai dengan mencampurkan kanji biji nangka (JSS) dan polivinil alkohol (PVA) untuk mendapatkan komposisi optimum campuran yang serasi untuk digunakan sebagai hos elektrolit biopolimer. Kanji biji nangka dan polivinil alkohol diadun dengan pelbagai komposisi menggunakan teknik ‘solution casting’. Ia bertujuan untuk melihat sifat amorfousness, kumpulan berfungsi, dan morfologi JSS dengan campuran PVA dan menentukan keserasian JSS dengan campuran PVA sebagai hos elektrolit polimer. Komposisi campuran serasi terbaik ialah JSS-PVA dengan nisbah 1:1, yang mempunyai tahap amorphositi tertinggi dan peratusan tertinggi hubungan ikatan hidrogen, regangan C=O, dan getaran C-O. Mengimbas penyiasatan mikroskopi elektron mengesahkan hasilnya, menunjukkan bahawa campuran itu tersebar sama rata.

 

Kata kunci:  kanji biji nangka, polivinil alkohol, perumah elektrolit biopolimer, amorphous

 

Graphical Abstract

 

 

 

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