以核桃壳为原料,采用微波辐照磷酸法制备活性炭.探讨了磷酸浓度、微波功率、辐照时间及对产品活性炭的亚甲基蓝脱色力、碘吸附值及得率的影响.确定了微波辐照磷酸法制备活性炭的工艺条件:微波功率460 W,活化时间10 m in,磷酸质量分数50%...以核桃壳为原料,采用微波辐照磷酸法制备活性炭.探讨了磷酸浓度、微波功率、辐照时间及对产品活性炭的亚甲基蓝脱色力、碘吸附值及得率的影响.确定了微波辐照磷酸法制备活性炭的工艺条件:微波功率460 W,活化时间10 m in,磷酸质量分数50%.在此条件下制得的活性炭碘吸附值为809.06 mg/g,亚甲基蓝脱色率108 mL/g,得率52.96%.活化时间是传统工艺水蒸汽活化核桃壳制活性炭的1/9,得率是传统工艺的2.6倍.展开更多
Poly（organophosphazenes）with amino acid ester and methoxyethoxyethoxy side groups were synthesized by the macromolecular substitution reactions of poly（dichlorophosphazene）with glycine ethyl ester or phenylalanine...Poly（organophosphazenes）with amino acid ester and methoxyethoxyethoxy side groups were synthesized by the macromolecular substitution reactions of poly（dichlorophosphazene）with glycine ethyl ester or phenylalanine ethyl ester and sodium methoxyethoxyethoxide.The stepwise substitution reactions were monitored by （）31P NMR spectroscopy.The polymer products obtained were characterized by （）1H NMR,13C NMR,31P NMR,ETIR and GPC.展开更多
文摘Poly（organophosphazenes）with amino acid ester and methoxyethoxyethoxy side groups were synthesized by the macromolecular substitution reactions of poly（dichlorophosphazene）with glycine ethyl ester or phenylalanine ethyl ester and sodium methoxyethoxyethoxide.The stepwise substitution reactions were monitored by （）31P NMR spectroscopy.The polymer products obtained were characterized by （）1H NMR,13C NMR,31P NMR,ETIR and GPC.
