利用石英晶体微天平技术定量表征表面活性剂/聚合物二元体系吸附行为
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摘要
为了定量分析表面活性剂/聚合物二元体系(SP二元体系)在地下运移过程中色谱分离效应,利用石英晶体微天平技术研究聚合物、表面活性剂在固/液界面吸附行为。研究结果表明,随着表面活性剂的浓度增大,耗散因子D(与吸附层的黏、弹性有关)值先增大后降低,吸附过程中存在一个尖峰型吸附向平缓吸附的过渡;先通入聚合物后通入表面活性剂时,共振频率f(与吸附层的质量、流体浓度有关)快速减小,D的第Ⅱ阶段吸附逐渐消失。对比表面活性剂溶液的D曲线,SP二元体系整体吸附量降低,SP二元体系有利于降低驱油体系化学剂吸附损失;对比先通入聚合物体系后通入表面活性剂的D曲线,SP二元体系平衡时的D更大,表面活性剂和聚合物协同作用增强,表面活性剂被包裹在聚合物网状结构中无法脱附。图14表4参14
in order to analyze the chromatographic fractionation effect of the surfactant-polymer binary compound system during underground migration,the adsorption behavior of polymer,surfactant,and surfactant-polymer binary compound system in solid-liquid surface was characterized quantitatively by using quartz crystal microbalance detector technology. The results showed that with the surfactant concentration increased the dissipation factors D value,which was related to the iscosity and elasticity of the adsorption layer,increased first and then decreased,and there was a transition concentration from peak type adsorption to slow adsorption. Comparing the surfactant solution of D curve,when first injecting polymer solution and then injecting surfactant solution,the adsorption curve of the second stage of the D disappeared gradually and the resonance frequency f,which was related to the mass of the adsorption layer and the solution concentration,decreased rapidly. The adsorption of the surfactant-polymer binary compound system was reduced which was conducive to the design of the oil flooding system. It was found that the D value of the surfactant-polymer binary compound system was bigger compared to that when first injecting polymer solution and then injecting surfactant solution system,which indicated that There was a synergistic effect of the polymer and surfactant in the solid-liquid interface adsorption layer,inducing that the surfactant was wrapped and could not be detached from the polymer network structure.
in order to analyze the chromatographic fractionation effect of the surfactant-polymer binary compound system during underground migration,the adsorption behavior of polymer,surfactant,and surfactant-polymer binary compound system in solid-liquid surface was characterized quantitatively by using quartz crystal microbalance detector technology. The results showed that with the surfactant concentration increased the dissipation factors D value,which was related to the iscosity and elasticity of the adsorption layer,increased first and then decreased,and there was a transition concentration from peak type adsorption to slow adsorption. Comparing the surfactant solution of D curve,when first injecting polymer solution and then injecting surfactant solution,the adsorption curve of the second stage of the D disappeared gradually and the resonance frequency f,which was related to the mass of the adsorption layer and the solution concentration,decreased rapidly. The adsorption of the surfactant-polymer binary compound system was reduced which was conducive to the design of the oil flooding system. It was found that the D value of the surfactant-polymer binary compound system was bigger compared to that when first injecting polymer solution and then injecting surfactant solution system,which indicated that There was a synergistic effect of the polymer and surfactant in the solid-liquid interface adsorption layer,inducing that the surfactant was wrapped and could not be detached from the polymer network structure.
引文
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[13] SHRIMALI K,YIN X H,WANG X M. Fundamental issues on the influence of starch in amine adsorption by quartz[J].Colloid Surf A:Physicochem Eng Asp,2017(522):642-651.
[14] HASHEMIPOUR S,YAFTIAN M R,KALHOR H,et al.Investigation of bovine serum albumin/tropicamide interaction using a quartz crystal microbalance sensor[J]. J Iran Chem Soc,2018,15(5):1191-1198.
[2]张力,李方涛,赵云霄.三元复合驱聚合物/表活剂滞留损耗研究[J].当代化工,2018,47(06):1243-1245.
[3]李龙,黄强,戚亚明,等.新疆油田三元复合驱碱液调配技术研究[J].油气田地面工程,2018,37(6):6-8.
[4]李永太,孔柏岭,李辰.全过程调剖技术与三元复合驱协同效应的动态特征[J].石油学报,2018,39(6):697-702.
[5]斯绍雄,宫兆波,严忠,等.新疆油田三元复合驱采出液乳化及破乳影响因素[J].油田化学,2018,35(1):139-143.
[6]孙哲,卢祥国,孙学法,等.弱碱三元复合驱增油效果影响因素及其作用机理研究[J].石油化工高等学校学报,2018,31(1):35-42.
[7]吴凡,侯吉瑞,汪志明,等.三元复合驱靶向输送提高采收率技术[J].石油勘探与开发,2018,45(2):305-311.
[8]唐善法,田海,岳泉,等.阴离子双子表面活性剂在油砂上吸附规律研究[J].石油天然学报,2008,30(6):313-317.
[9]杜滨阳,范潇,曹峥,等.石英晶体微天平在聚合物薄膜研究中的应用与展望[J].分析化学评述与进展,2010,38(5):752-759.
[10] DENGY,YUEXL,HUHB.Anewanalyticalexperimentalsetup combiningquartzcrystalmicrobalancewithsurfaceenhancement Raman spectroscopy and its application in determination of thrombin[J].MicroChemJ,2017(132):385-390.
[11] YAMAMOTO H,KOZAWA T,TAGAWA S,et al. Study on dissolution behavior of polymer-bound and polymer-blended photo acid generator(PAG)resists by using quartz crystal micro balance(QCM)method[J]. Microelectron Eng,2014(129):65-69.
[12] KIM T H,BAE J,LEE T H. Room-temperature hydrogen storage via two-dimensional potential well in mesoporous graphene oxide[J]. Nano Energy,2016(27):402-411.
[13] SHRIMALI K,YIN X H,WANG X M. Fundamental issues on the influence of starch in amine adsorption by quartz[J].Colloid Surf A:Physicochem Eng Asp,2017(522):642-651.
[14] HASHEMIPOUR S,YAFTIAN M R,KALHOR H,et al.Investigation of bovine serum albumin/tropicamide interaction using a quartz crystal microbalance sensor[J]. J Iran Chem Soc,2018,15(5):1191-1198.