Graft Copolymerization of Styrene from Poly(vinyl alcohol) via RAFT Process
Polystyrene, PS, was grafted from poly(vinyl alcohol), PVA, backbone by reversible addition-fragmentation chain transfer (RAFT) polymerization. The hydroxyl groups of the PVA were converted into aromatic dithioester RAFT agent and polymerization began in the presence of this agent. The structure of...
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| Format: | Article |
| Language: | English |
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Wiley
2011-01-01
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| Series: | International Journal of Polymer Science |
| Online Access: | http://dx.doi.org/10.1155/2011/190349 |
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| author | Gholam Ali Koohmareh Morteza Hajian Hazhir Fallahi |
| author_facet | Gholam Ali Koohmareh Morteza Hajian Hazhir Fallahi |
| author_sort | Gholam Ali Koohmareh |
| collection | DOAJ |
| description | Polystyrene, PS, was grafted from poly(vinyl alcohol), PVA, backbone by reversible addition-fragmentation chain transfer (RAFT) polymerization. The hydroxyl groups of the PVA were converted into aromatic dithioester RAFT agent and polymerization began in the presence of this agent. The structure of compounds was confirmed by FT-IR and 1HNMR spectroscopy. The graft copolymer was characterized by thermogravimetric analysis (TGA), X-ray diffraction (XRD), and scanning electron microscopy (SEM). Grafted polystyrene chains were cleaved from the PVA backbone by acidic hydrolysis of the PVA-g-PS, and its polydispersity index, PDI, was determined by gel permeation chromatography (GPC) showing narrow molecular weight distribution. |
| format | Article |
| id | doaj-art-2c84f77f50414915927dd0ad3920e107 |
| institution | Kabale University |
| issn | 1687-9422 1687-9430 |
| language | English |
| publishDate | 2011-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Polymer Science |
| spelling | doaj-art-2c84f77f50414915927dd0ad3920e1072025-02-03T07:24:34ZengWileyInternational Journal of Polymer Science1687-94221687-94302011-01-01201110.1155/2011/190349190349Graft Copolymerization of Styrene from Poly(vinyl alcohol) via RAFT ProcessGholam Ali Koohmareh0Morteza Hajian1Hazhir Fallahi2Department of Chemistry, College of Science, University of Isfahan, Isfahan 81746-73441, IranDepartment of Chemistry, College of Science, University of Isfahan, Isfahan 81746-73441, IranDepartment of Chemistry, College of Science, University of Isfahan, Isfahan 81746-73441, IranPolystyrene, PS, was grafted from poly(vinyl alcohol), PVA, backbone by reversible addition-fragmentation chain transfer (RAFT) polymerization. The hydroxyl groups of the PVA were converted into aromatic dithioester RAFT agent and polymerization began in the presence of this agent. The structure of compounds was confirmed by FT-IR and 1HNMR spectroscopy. The graft copolymer was characterized by thermogravimetric analysis (TGA), X-ray diffraction (XRD), and scanning electron microscopy (SEM). Grafted polystyrene chains were cleaved from the PVA backbone by acidic hydrolysis of the PVA-g-PS, and its polydispersity index, PDI, was determined by gel permeation chromatography (GPC) showing narrow molecular weight distribution.http://dx.doi.org/10.1155/2011/190349 |
| spellingShingle | Gholam Ali Koohmareh Morteza Hajian Hazhir Fallahi Graft Copolymerization of Styrene from Poly(vinyl alcohol) via RAFT Process International Journal of Polymer Science |
| title | Graft Copolymerization of Styrene from Poly(vinyl alcohol) via RAFT Process |
| title_full | Graft Copolymerization of Styrene from Poly(vinyl alcohol) via RAFT Process |
| title_fullStr | Graft Copolymerization of Styrene from Poly(vinyl alcohol) via RAFT Process |
| title_full_unstemmed | Graft Copolymerization of Styrene from Poly(vinyl alcohol) via RAFT Process |
| title_short | Graft Copolymerization of Styrene from Poly(vinyl alcohol) via RAFT Process |
| title_sort | graft copolymerization of styrene from poly vinyl alcohol via raft process |
| url | http://dx.doi.org/10.1155/2011/190349 |
| work_keys_str_mv | AT gholamalikoohmareh graftcopolymerizationofstyrenefrompolyvinylalcoholviaraftprocess AT mortezahajian graftcopolymerizationofstyrenefrompolyvinylalcoholviaraftprocess AT hazhirfallahi graftcopolymerizationofstyrenefrompolyvinylalcoholviaraftprocess |