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Effect of total dose on water absorption of partially hydrolyzed acrylamide-pyrrolidone copolymers |
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| Authors: | Suda Kiatkamjornwong Piriyatorn Suwanmala |
| Affiliation: | a Department of Photographic Science and Printing Technology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand b Multi-disciplinary Program of Petrochemistry and Polymer, Graduate School, Chulalongkorn University, Bangkok 10330, Thailand |
| Abstract: | The synthesis and characterization of partially hydrolyzed polyacrylamide-1-vinyl-2-pyrrolidone copolymers by γ-irradiation have been carried out. The effects of total dose at a fixed dose rate on acrylamide monomer polymerization and on copolymerization of the partially hydrolyzed polyacrylamide with 1-vinyl-2-pyrrolidone were investigated. A higher water absorption value is vitally dependent on the specific doses absorbed at each polymerization step, material concentration and the hydrolysis condition. This paper also describes the effects of the hydrolyzed functional groups on water absorption of the modified acrylamide-pyrrolidone copolymer. |
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