| Studies on the Graft Copolymerization of Methyl Acrylate and Ethyl Acrylate onto Corn Starch Using Potassium Persulfate-Sodium Thiosulphatc as Initiation System |
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| 作者姓名： | Wu Gongsheng |
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| 作者单位： | Wu Gongsheng (Department of Chemistry，Quigdao University，Qingdao)Wang Bin (Department of Chemistry，Daqing Oil College，Daqing) |
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| 摘 要： | Grafting copolymerizations of methyl acrylate(MA) and ethyl acrylate(EA) onto corn starch, respectively, initiated by potassium persulfate-sodium thiosulphate (KPS-STS) redox system, were studied. The structures of poly(MA)-g-starch and poly(EA)-g-starch were characterized by IR, SEM and X-ray diffraction. Experimental results show that KPS-STS is an efficient initiation system for grafting of MA and EA onto corn starch. The maximum percent grafting was obtained at KPS] of 6.0× 10~3 mol/L, STS] of 1.8× 10 5 mol/L, M] of 6. 0× 101 mol/L, S:L=4:100 at 40℃ for 6 h. The reactivity order is MA>EA.
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Studies on the Graft Copolymerization of Methyl Acrylate and Ethyl Acrylate onto Corn Starch Using Potassium Persulfate-Sodium Thiosulphatc as Initiation System |
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| Wu Gongsheng.Studies on the Graft Copolymerization of Methyl Acrylate and Ethyl Acrylate onto Corn Starch Using Potassium Persulfate-Sodium Thiosulphatc as Initiation System[J].Chemical Research in Chinese University,1990(2). |
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| Authors: | Wu Gongsheng |
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| Abstract: | |
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| Keywords: | Methyl acrylate Ethyl acrylatc Graft copolymerization Starch |
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