The reverse microemulsion system of Span 80-Tw ee n 80/liquid paraffin/acrylamide-H 2O was prepared, and the effects of n-b utanol,NaCl,Nc were studied with the conductivity method.The stability of re verse microemuls...The reverse microemulsion system of Span 80-Tw ee n 80/liquid paraffin/acrylamide-H 2O was prepared, and the effects of n-b utanol,NaCl,Nc were studied with the conductivity method.The stability of re verse microemulsion was reflected, and the information of its dynamic process wa s obtained by measuring its state changes continuously through testing its elect ronic conductivity by using electrochemistry.The results showed that the Span 80 -Tween 80/liquid paraffin/acrylamide-H 2O system was most stable when the HLB value approached 7.5, and its stability was enhanced when 5.0% (mass) NaCl or 10% (mass) Nc was added into this system.展开更多
制备了AOT[二(2-乙基己基)磺化琥珀酸钠]/异辛烷/水反相微乳液,用电导法研究了体系的增溶性质及其电导行为,对反相微乳液滴的有效半径进行了理论计算.根据电导率σ的CFM(ChargeF luctuation M ode l,CFM)模型,从理论上求算了-σR关系,...制备了AOT[二(2-乙基己基)磺化琥珀酸钠]/异辛烷/水反相微乳液,用电导法研究了体系的增溶性质及其电导行为,对反相微乳液滴的有效半径进行了理论计算.根据电导率σ的CFM(ChargeF luctuation M ode l,CFM)模型,从理论上求算了-σR关系,并将结果与采用CFM模型的预测结果进行了对比.结果表明:AOT/异辛烷溶液对水的增溶能力随着AOT在异辛烷溶液中浓度的增大而提高.温度对增溶能力的影响比较大,且存在一个最佳温度,即在25℃时的增溶能力最强.AOT/异辛烷/水反相微乳液滴的有效半径Re先随R的增大而减小,达到极小值后则随R的增大而增加.在精确求算反相微乳液分子结构参数的基础上,采用电导率σ的CFM模型来预测反相微乳液体系的电导是切实可行的.展开更多
文摘The reverse microemulsion system of Span 80-Tw ee n 80/liquid paraffin/acrylamide-H 2O was prepared, and the effects of n-b utanol,NaCl,Nc were studied with the conductivity method.The stability of re verse microemulsion was reflected, and the information of its dynamic process wa s obtained by measuring its state changes continuously through testing its elect ronic conductivity by using electrochemistry.The results showed that the Span 80 -Tween 80/liquid paraffin/acrylamide-H 2O system was most stable when the HLB value approached 7.5, and its stability was enhanced when 5.0% (mass) NaCl or 10% (mass) Nc was added into this system.
文摘制备了AOT[二(2-乙基己基)磺化琥珀酸钠]/异辛烷/水反相微乳液,用电导法研究了体系的增溶性质及其电导行为,对反相微乳液滴的有效半径进行了理论计算.根据电导率σ的CFM(ChargeF luctuation M ode l,CFM)模型,从理论上求算了-σR关系,并将结果与采用CFM模型的预测结果进行了对比.结果表明:AOT/异辛烷溶液对水的增溶能力随着AOT在异辛烷溶液中浓度的增大而提高.温度对增溶能力的影响比较大,且存在一个最佳温度,即在25℃时的增溶能力最强.AOT/异辛烷/水反相微乳液滴的有效半径Re先随R的增大而减小,达到极小值后则随R的增大而增加.在精确求算反相微乳液分子结构参数的基础上,采用电导率σ的CFM模型来预测反相微乳液体系的电导是切实可行的.