Pengkopolimeran cangkukan metil metakrilat ke atas selulosa Agave

Translated title of the contribution: Graft copolymerization of methyl methacrylate onto Agave cellulose

Noor Afizah Rosli, Ishak Ahmad, Ibrahim Abdullah, Farah Hannan Anuar

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The grafting polymerization of methyl methacrylate (MMA) and Agave cellulose was prepared and the grafting reaction conditions were optimized by varying the reaction time and temperature, and ratio of monomer to cellulose. The resulting graft copolymers were characterized by Fourier transform infrared, X-ray diffraction analysis, thermogravimetric analysis, and scanning electron microscopy (SEM). The experimental results showed that the optimal conditions were at a temperature of 45 °C for 90 min with ratio monomer to cellulose at 1:1 (g/g). An additional peak at 1738 cm-1 which was attributed to the C=O of ester stretching vibration of poly(methyl methacrylate), appeared in the spectrum of grafted Agave cellulose. A slight decrease of crystallinity index upon grafting was found from 0.74 to 0.68 for cellulose and grafted cellulose, respectively. Grafting of MMA onto cellulose enhanced its thermal stability and SEM observation further furnished evidence of grafting MMA onto Agave cellulose with increasing cellulose diameter and surface roughness.

Original languageUndefined/Unknown
Pages (from-to)398-404
Number of pages7
JournalMalaysian Journal of Analytical Sciences
Volume18
Issue number2
Publication statusPublished - 2014

Fingerprint

Methacrylates
Grafts
Cellulose
Copolymerization
Monomers
Scanning electron microscopy
Graft copolymers
Polymethyl Methacrylate
X ray diffraction analysis
Stretching
Thermogravimetric analysis
Fourier transforms
Esters
Thermodynamic stability
Surface roughness
Polymerization
Infrared radiation
Temperature

Keywords

  • Agave
  • Cellulose
  • Graft copolymerization
  • Methyl methacrylate

ASJC Scopus subject areas

  • Analytical Chemistry

Cite this

Pengkopolimeran cangkukan metil metakrilat ke atas selulosa Agave. / Rosli, Noor Afizah; Ahmad, Ishak; Abdullah, Ibrahim; Anuar, Farah Hannan.

In: Malaysian Journal of Analytical Sciences, Vol. 18, No. 2, 2014, p. 398-404.

Research output: Contribution to journalArticle

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AU - Anuar, Farah Hannan

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N2 - The grafting polymerization of methyl methacrylate (MMA) and Agave cellulose was prepared and the grafting reaction conditions were optimized by varying the reaction time and temperature, and ratio of monomer to cellulose. The resulting graft copolymers were characterized by Fourier transform infrared, X-ray diffraction analysis, thermogravimetric analysis, and scanning electron microscopy (SEM). The experimental results showed that the optimal conditions were at a temperature of 45 °C for 90 min with ratio monomer to cellulose at 1:1 (g/g). An additional peak at 1738 cm-1 which was attributed to the C=O of ester stretching vibration of poly(methyl methacrylate), appeared in the spectrum of grafted Agave cellulose. A slight decrease of crystallinity index upon grafting was found from 0.74 to 0.68 for cellulose and grafted cellulose, respectively. Grafting of MMA onto cellulose enhanced its thermal stability and SEM observation further furnished evidence of grafting MMA onto Agave cellulose with increasing cellulose diameter and surface roughness.

AB - The grafting polymerization of methyl methacrylate (MMA) and Agave cellulose was prepared and the grafting reaction conditions were optimized by varying the reaction time and temperature, and ratio of monomer to cellulose. The resulting graft copolymers were characterized by Fourier transform infrared, X-ray diffraction analysis, thermogravimetric analysis, and scanning electron microscopy (SEM). The experimental results showed that the optimal conditions were at a temperature of 45 °C for 90 min with ratio monomer to cellulose at 1:1 (g/g). An additional peak at 1738 cm-1 which was attributed to the C=O of ester stretching vibration of poly(methyl methacrylate), appeared in the spectrum of grafted Agave cellulose. A slight decrease of crystallinity index upon grafting was found from 0.74 to 0.68 for cellulose and grafted cellulose, respectively. Grafting of MMA onto cellulose enhanced its thermal stability and SEM observation further furnished evidence of grafting MMA onto Agave cellulose with increasing cellulose diameter and surface roughness.

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