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在碱性介质中,以硫酸钾为引发剂,以Span-80为乳化剂制得香料洋芋淀粉与偶氮染料接枝共聚物的反相乳液。研究了碱量、反应温度、反应时间、单体的结构对接枝率和接枝效率的影响。
In alkaline medium, using potassium sulfate as initiator and Span-80 as emulsifier, an inverse emulsion of the graft copolymer of potato starch and azo dye was prepared. The effects of alkali content, reaction temperature, reaction time and monomer structure on grafting yield and grafting efficiency were studied.