Ammonium persulfate-initiated graft copolymerization of methacrylamide onto chitosan: synthesis, characterization and optimization
Ammonium persulfate (APS)-initiated grafting of methacrylamide (MAM) onto chitosan was successfully prepared for the first time by free radical mechanism. Both chitosan and chitosan-graft-poly(methacrylamide) (chitosan-g-PMAM) were characterized using Fourier transform infrared spectroscopy (FTIR),...
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Penerbit Universiti Kebangsaan Malaysia
2017
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my-ukm.journal.117112018-05-30T00:05:25Z http://journalarticle.ukm.my/11711/ Ammonium persulfate-initiated graft copolymerization of methacrylamide onto chitosan: synthesis, characterization and optimization Zetty Azalea Sutirman, Mohd Marsin Sanagi, Ahmedy Abu Naim, Khairil Juhanni Abd Karim, Wan Aini Wan Ibrahim, Ammonium persulfate (APS)-initiated grafting of methacrylamide (MAM) onto chitosan was successfully prepared for the first time by free radical mechanism. Both chitosan and chitosan-graft-poly(methacrylamide) (chitosan-g-PMAM) were characterized using Fourier transform infrared spectroscopy (FTIR), solid state 13C NMR, thermogravimetric analysis (TGA), differential scanning calorimetry (DSC) and scanning electron microscopy (SEM). Important factors affecting graft copolymerization such as reaction time, temperature and concentrations of APS, MAM and chitosan were investigated and optimized to obtain maximum grafting parameters. The optimum values for grafting percentage and yield of graft copolymerization were achieved under the following conditions: chitosan (1 g), MAM (4 g), APS (0.6 g), time reaction (4 h) and temperature (70ºC). Penerbit Universiti Kebangsaan Malaysia 2017-12 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/11711/1/19%20Zetty%20Azalea%20Sutirman.pdf Zetty Azalea Sutirman, and Mohd Marsin Sanagi, and Ahmedy Abu Naim, and Khairil Juhanni Abd Karim, and Wan Aini Wan Ibrahim, (2017) Ammonium persulfate-initiated graft copolymerization of methacrylamide onto chitosan: synthesis, characterization and optimization. Sains Malaysiana, 46 (12). pp. 2433-2440. ISSN 0126-6039 http://www.ukm.my/jsm/english_journals/vol46num12_2017/contentsVol46num12_2017.htm |
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Ammonium persulfate (APS)-initiated grafting of methacrylamide (MAM) onto chitosan was successfully prepared for the first time by free radical mechanism. Both chitosan and chitosan-graft-poly(methacrylamide) (chitosan-g-PMAM) were characterized using Fourier transform infrared spectroscopy (FTIR), solid state 13C NMR, thermogravimetric analysis (TGA), differential scanning calorimetry (DSC) and scanning electron microscopy (SEM). Important factors affecting graft copolymerization such as reaction time, temperature and concentrations of APS, MAM and chitosan were investigated and optimized to obtain maximum grafting parameters. The optimum values for grafting percentage and yield of graft copolymerization were achieved under the following conditions: chitosan (1 g), MAM (4 g), APS (0.6 g), time reaction (4 h) and temperature (70ºC). |
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Zetty Azalea Sutirman, Mohd Marsin Sanagi, Ahmedy Abu Naim, Khairil Juhanni Abd Karim, Wan Aini Wan Ibrahim, |
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Zetty Azalea Sutirman, Mohd Marsin Sanagi, Ahmedy Abu Naim, Khairil Juhanni Abd Karim, Wan Aini Wan Ibrahim, Ammonium persulfate-initiated graft copolymerization of methacrylamide onto chitosan: synthesis, characterization and optimization |
author_facet |
Zetty Azalea Sutirman, Mohd Marsin Sanagi, Ahmedy Abu Naim, Khairil Juhanni Abd Karim, Wan Aini Wan Ibrahim, |
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Zetty Azalea Sutirman, |
title |
Ammonium persulfate-initiated graft copolymerization of methacrylamide onto chitosan: synthesis, characterization and optimization |
title_short |
Ammonium persulfate-initiated graft copolymerization of methacrylamide onto chitosan: synthesis, characterization and optimization |
title_full |
Ammonium persulfate-initiated graft copolymerization of methacrylamide onto chitosan: synthesis, characterization and optimization |
title_fullStr |
Ammonium persulfate-initiated graft copolymerization of methacrylamide onto chitosan: synthesis, characterization and optimization |
title_full_unstemmed |
Ammonium persulfate-initiated graft copolymerization of methacrylamide onto chitosan: synthesis, characterization and optimization |
title_sort |
ammonium persulfate-initiated graft copolymerization of methacrylamide onto chitosan: synthesis, characterization and optimization |
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Penerbit Universiti Kebangsaan Malaysia |
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2017 |
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http://journalarticle.ukm.my/11711/1/19%20Zetty%20Azalea%20Sutirman.pdf http://journalarticle.ukm.my/11711/ http://www.ukm.my/jsm/english_journals/vol46num12_2017/contentsVol46num12_2017.htm |
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