摘要
采用预辐照的方法研究了淀粉与丙烯酰胺的接枝反应，制备出了淀粉与丙烯酰胺的接枝物；采用元素分析法测量了接枝率。对预辐照接枝反应的一些影响因素，如吸收剂量、反应温度、反应时间、阻聚剂及辐照后效应也进行了研究，并获得了相关结果。淀粉预辐照的吸收剂量约１０ｋＧｙ，辐照后 １０ｍｉｎ内在 ２５～３０℃下进行接枝可以获得 ８０％以上的接枝率。
In present paper, the grafting reaction of starch-acrylamide by 60Co γ pre- irradiation was carried out. The grafted copolymer was prepared and identified by IR spectropho- tometer. The grafting yield was measured with element analysis. Various influence factors such as absorbed dose, reaction temperature, reaction duration, post-irradiation effect etc. on grafting yield were studied. The grafting yield higher than 80% could be obtained when the grafting reaction was proceeded at 25-30℃ within 10minutes after 10kGy irradiation.
出处
《辐射研究与辐射工艺学报》
EI
CAS
CSCD
北大核心
2000年第4期263-267,共5页
Journal of Radiation Research and Radiation Processing
基金
国家教育部重点项目
