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利用微波辐射方法对丙烯基硫脲与N,N’-亚甲基双丙烯酰胺的共聚反应进行研究,同时与相应的热聚合进行比较,证实了丙烯基硫脲与N,N’-亚甲基双丙烯酰胺在不同的反应体系(溶液聚合和固相聚合)及不同的聚合方式(微波辐射聚合和加热聚合),其反应活性不同。用气相色谱法测得在微波团相有引发剂时的竞聚率分别为丙烯基硫脲的r1=0.9804,N,N’-亚甲基双丙烯酰胺的r2=1.0027。在无引发剂存在时竞聚率分别为r1=1.1875,r2=1.1251。而相应的加热有引发剂存在时的共聚竞聚率分别为r1=0.6320,r2=0.2354。微波辐射在引发剂存在下的溶液聚合的竞聚率分别r1=0.2750,r2=0.6636。所得的聚合物可作为金属离子捕捉剂。
The copolymerization of acrylthiourea with N, N’-methylenebisacrylamide was studied by microwave irradiation and compared with that of the corresponding thermal polymerization. It was confirmed that the reaction between acrylthiourea and N, N’-methylene Basic diacrylamide in different reaction systems (solution polymerization and solid phase polymerization) and different polymerization methods (microwave radiation polymerization and heating polymerization), the reactivity of different. The results of gas chromatography showed that the reactivity ratios of acryl-thiourea were r1 = 0.9804 and r2 = 1.0027 for N, N’-methylenebisacrylamide respectively. The reactivity rates in the absence of initiator were r1 = 1.1875, r2 = 1.1251, respectively. The corresponding copolymerization reactivity in the presence of initiator was r1 = 0.6320, r2 = 0.2354, respectively. The reactivity ratios of solution polymerization of microwave irradiation in the presence of initiator were r1 = 0.2750 and r2 = 0.6636, respectively. The resulting polymer serves as a metal ion trapping agent.