温度和剪切协同作用对十六烷基三甲基氯化铵溶液表观黏度的影响
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摘要
深入研究表面活性剂的流变特性,对于理解湍流减阻机理和改进制药、化工等领域的产品质量具有重要意义。本文研究了相同升温速率、不同剪切速率以及相同剪切速率、不同升温速率对阳离子表面活性剂十六烷基三甲基氯化铵(CTAC)溶液表观黏度的影响。研究表明:当温度较低时,剪切速率对表面活性剂溶液表观黏度的影响起主导作用;随着温度的升高,高温对胶束的影响增强导致溶液在高温处出现剪切稀化现象。当浓度为0.3125mmol/L时,溶液临界温度随剪切速率的升高保持恒定;但当浓度升高至0.6250～1.2500mmol/L时,在高温和高剪切的作用下,黏度曲线出现"平台"和短暂的增稠现象。对于中等浓度表面活性剂溶液,浓度升高导致蠕虫状胶束出现分支并抑制了"平台"的产生;随着升温速率的增大,胶束结构的响应时间滞后于升温速率,但当γ=150s-1时,滞后效应减弱,高剪切对胶束结构的破坏占主导作用。
It is very important for studying the turbulence drag-reducing mechanism and improving product quality in the fields of pharmaceutical and chemical engineering to deeply investigate rheological properties of surfactants solution. Apparent viscosity on cationic surfactant cetyltrimethyl ammonium chloride(CTAC) solution was investigated for the same heating rate at different shear rates and for the same shear rate at various heating rates. The present results showed that the shear rate played a dominant role in the viscosity of surfactant solution when the temperature was low. With the increase of temperature, the influence of high temperature on micelles increased, resulting in shear-thinning phenomenon at the high temperature. When the concentration was 0.3125 mmo/L, the critical temperature of solution remained constant with increasing shear rate. However, when the concentration was 0.6250～1.2500 mmol/L, the viscosity curve appeared"platform"and transient thickening at the high temperature and the high shear. For the medium concentration solution, the increase of concentration led to the branch of wormlike micelles, which inhibited the formation of"platform". With the increase of heating rate, the response rate of micellar structures lagged behind the heating rate. However, when γ =150 s-1, the hysteresis effect decreaseed and the destruction of micelle structure was dominated by the strong shear.
It is very important for studying the turbulence drag-reducing mechanism and improving product quality in the fields of pharmaceutical and chemical engineering to deeply investigate rheological properties of surfactants solution. Apparent viscosity on cationic surfactant cetyltrimethyl ammonium chloride(CTAC) solution was investigated for the same heating rate at different shear rates and for the same shear rate at various heating rates. The present results showed that the shear rate played a dominant role in the viscosity of surfactant solution when the temperature was low. With the increase of temperature, the influence of high temperature on micelles increased, resulting in shear-thinning phenomenon at the high temperature. When the concentration was 0.3125 mmo/L, the critical temperature of solution remained constant with increasing shear rate. However, when the concentration was 0.6250～1.2500 mmol/L, the viscosity curve appeared"platform"and transient thickening at the high temperature and the high shear. For the medium concentration solution, the increase of concentration led to the branch of wormlike micelles, which inhibited the formation of"platform". With the increase of heating rate, the response rate of micellar structures lagged behind the heating rate. However, when γ =150 s-1, the hysteresis effect decreaseed and the destruction of micelle structure was dominated by the strong shear.
引文
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[25]LIN M Q,HUA Z,DING B,et al.Rheological properties of quaternary ammonium Gemini surfactants in aqueous solution[J].Journal of Surfactants and Detergents,2015,1(18):67-72.
[26]KALUR G C,FROUNFELKER B D,CIPRLANO B H,et al.Viscosity increase with temperature in cationic surfactant solutions due to the growth of wormlike micelles[J].Langmuir,2005,24(21):10998-11004.
[27]CAPPELAERE E,CRESSELY R,MAKHLOUFI R,et al.Temperature and flow-induced viscosity transitions for CTAB surfactant solutions[J].Rheologica Acta,1994,33:431-437.
[28]ZHOU M,LI S S,ZHANG Z,et al.Synthesis of oligomer betaine surfactant(DDTOPA)and rheological properties of wormlike micellar solution system[J].Journal of the Taiwan Institute of Chemical Engineers,2016,66:1-11.
[29]REKHA G H,LOK K S,KENJI A.Formation of wormlike micelle in a mixed amino-acid based anionic surfactant systems[J].Journal of Colloid and Interface Science,2007,311:276-284.
[30]WANG X Q,WANG R T,ZHENG Y,et al.Interaction between zwitterionic surface activity ionic liquid and anionic surfactant:Na+-driven wormlike micelles[J].Journal of Physical Chemistry B,2013,117:1886-1895.
[2]XU N,WEI J J,KAWAGUCHI Y.Dynamic and energy analysis on the viscosity transitions with increasing temperature under shear for dilute CTAC surfactant solutions[J].Industrial&Engineering Chemistry Research,2016,55:2279-2286.
[3]OELSCHLAEGER C,SUWITH P,WILLENBACHER N.Effect of counterion binding efficiency on structure and dynamics of wormlike micelles[J].Langmuir,2010,26(10):7045-7053.
[4]OUMAR M,GIVENCHY E T D,DIENG S Y,et al.Giant brainlike aggregates from new fluorocarbon/hydrocarbon hybrid cationic surfactants[J].Langmuir,2011,27(5):1668-1674.
[5]何颜艺,张路,姜小明,等.咪唑Gemini表面活性剂的合成及其性能[J].精细化工,2017,34(1):40-44.HE Yanyi,ZHANG Lu,JIANG Xiaoming,et al.Synthesis and properties of imidazole Gemini surfactants[J].Fine Chemicals,2017,34(1):40-44.
[6]WANG S S,ZHAO K S.Dielectric analysis for the spherical and rodlike micelle aggregates formed from a Gemini surfactant:driving forces of micellization and stability of micelles[J].Langmuir,2016,30(32):7530-7540.
[7]THAREJA P,HOFFMANN I H,LIBERATORE M W,et al.Shearinduced phase separation(SIPS)with shear banding in solutions of cationic surfactant and salt[J].Journal of Rheology,2011,55(6):1375-1397.
[8]朱蒙生,王悦,曹慧哲,等.十六烷基三甲基氯化铵减阻流动实验[J].哈尔滨工业大学学报,2012,44(6):52-64.ZHU Mengsheng,WANG Yue,CAO Huizhe,et al.Experimental study on drag-reducing flow with cetyltrimethyl ammonium chloride[J].Journal of Harbin Institute of Technology,2012,44(6):52-64.
[9]PAN W,TAN J L,PEI S,et al.Dual effects of cationic surfactant on the wormlike micelle formation of catanionic surfactants mixtures:an experiment and simulation study[J].Colloids and Surfaces A:Physicochemical and Engineering Aspects,2017,529:95-101.
[10]SAMBASIVAM A,SANGWAI A V,SURESHKUMAR R.Dynamics and scission of rodlike cationic surfactant micelles in shear flow[J].Physical Review Letters,2015,114(15):158302.
[11]PADOAN G,GIVENCHY E T D,ZAGGIA A,et al.Behavior of wormlike micellar solutions formed without any additives from semifluorinated quaternary ammonium salts[J].Soft Matter,2013,9:8992-8999.
[12]TAMANO S,OHASHI Y,MORINISHI Y.Dynamics of falling droplet and elongational properties of dilute nonionic surfactant solutions with drag-reducing ability[J].Physics of Fluids,2017,29(5):053104.
[13]HEINZ R,REINZ F.Experimental investigations of the non-linear rheological properties of viscoelastic surfactant solutions:application and failing of the one-mode Giesekus model[J].Colloid and Polymer Science,2015,293:3249-3265.
[14]SATO D,OBARA K,KAWABATA Y,et al.Re-entrant lamellar/onion transition with varying temperature under shear flow[J].Langmuir,2013,29(1):121-132.
[15]CAI S P,SUZULI H,KOMODA Y.Drag-reduction of a nonionic surfactant aqueous solution and its rheological characteristics[J].Science China-Technological Science,2012,42(4):388-394.
[16]WAKIMOTO T,ARAGA K,KATOH K.Simultaneous determination of micellar structure and drag reduction in a surfactant solution flow using the fluorescence probe method[J].Physics of Fluids,2018,30(3):033103.
[17]徐娜,魏进家.剪切和温度作用下表面活性剂流变特性[J].工程热物理学报,2014,35(2):278-281.XU Na,WEI Jinjia.Rheological behavior of surfactant under shear and temperature[J].Journal of Engineering Thermophysics,2014,35(2):278-281.
[18]DEHMOUNE J,DECRUPPE J P,GREFFIER O,et al.Rheometric investigation on the temporal shear thickening of dilute micellar solutions of C14-,C16-,and C18TAB/NaSal[J].Journal of Rheology,2008,52(4):923-940.
[19]魏进家,黄崇海,徐娜.表面活性剂湍流减阻研究进展[J].化工进展,2016,35(6):1660-1675.WEI Jinjia,HUANG Chonghai,XU Na.Research progress on the turbulence drag reduction of surfactants[J].Chemical Industry and Engineering Progress,2016,35(6):1660-1675.
[20]LU B,LI X,SCRIVEN L E,et al.Effect of chemical structure on viscoelasticity and extensional viscosity of drag-reducing cationic surfactant solutions[J].Langmuir,1998,14:8-16.
[21]COPPOLA L,YOUSSRY M,NICOTERA I,et al.Rheological investigation of thermal transitions in vesicular dispersion[J].Journal of Colloid and Interface Science,2009,338:550-557.
[22]NARAYANAN J,MENDES E,MANOHRA C,et al.Vesicle to micelle transition driven by surface solid-fluid transition[J].International Journal of Modern Physics B,2002,16(2):375-382.
[23]CATES M E.Dynamics of living polymers and flexible surfactant micelles:scaling laws for dilution[J].Journal de Physique,1988,49(9):1593-1600.
[24]LIN Z,CAI J J,SCRIVEN L E,et al.Spherical-to-wormlike micelle transition in CTAB solutions[J].The Journal of Physical Chemistry,1994,23(98):5984-5993.
[25]LIN M Q,HUA Z,DING B,et al.Rheological properties of quaternary ammonium Gemini surfactants in aqueous solution[J].Journal of Surfactants and Detergents,2015,1(18):67-72.
[26]KALUR G C,FROUNFELKER B D,CIPRLANO B H,et al.Viscosity increase with temperature in cationic surfactant solutions due to the growth of wormlike micelles[J].Langmuir,2005,24(21):10998-11004.
[27]CAPPELAERE E,CRESSELY R,MAKHLOUFI R,et al.Temperature and flow-induced viscosity transitions for CTAB surfactant solutions[J].Rheologica Acta,1994,33:431-437.
[28]ZHOU M,LI S S,ZHANG Z,et al.Synthesis of oligomer betaine surfactant(DDTOPA)and rheological properties of wormlike micellar solution system[J].Journal of the Taiwan Institute of Chemical Engineers,2016,66:1-11.
[29]REKHA G H,LOK K S,KENJI A.Formation of wormlike micelle in a mixed amino-acid based anionic surfactant systems[J].Journal of Colloid and Interface Science,2007,311:276-284.
[30]WANG X Q,WANG R T,ZHENG Y,et al.Interaction between zwitterionic surface activity ionic liquid and anionic surfactant:Na+-driven wormlike micelles[J].Journal of Physical Chemistry B,2013,117:1886-1895.