阴阳离子复配体系的表面活性及应用性能
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摘要
研究了2种具有不同EO加合数的阴离子表面活性剂壬基酚聚氧乙烯醚丙基磺酸钠[NPSO-n(n=5,8)]与阳离子表面活性剂十二烷基二甲基苄基氯化铵(1227)复配体系的表面活性和应用性能、混合吸附层和混合胶束的组成及相互作用参数(βs和βm)。结果表明:复配体系的临界胶束浓度(cmc)较单一组分低得多,并随1227摩尔分数的增加而降低,当1227的摩尔分数达0.5时,cmc最低,比单一表面活性剂的cmc低2个数量级;并且混合胶束和混合吸附层中的分子相互作用较强,混合胶束和混合吸附层中阴阳离子表面活性剂的摩尔比接近1∶1;2种复配体系均具有比单一阴离子表面活性剂更好的泡沫、润湿和乳化性能。
Surface activity and applications of blended surfactant systems composed of anionic surfactant sodium ethoxy-nonylphenyl propyl sulfonate [refer to as NPSO-n(n=5 and 8)] and cationic surfactant lauryldimethylbenzylammonium chloride(refer to as 1227) were studied as well as composition and mutual action parameters(βs and βm) of adsorption layer and micelle of the blended-surfactant were examined.Result showed that the cmc of the blend systems are much lower than that of the single surfactant in the blend system,and decrease with increase of the mole fraction of the 1227.When the mole fraction of the 1227 reaches 0.5,the cmc is lowest and lower two orders of magnitude than that of the single surfactant.Furthermore,the mutual action in the adsorption layer as well as in the micelle is rather strong and the composition is close to 1∶1 in the blend adsorption layer and the blend micelle.The two kinds of blend system display better foaming performance,wetting power and emulsifying power than that of a single surfactant NPSO-n.
Surface activity and applications of blended surfactant systems composed of anionic surfactant sodium ethoxy-nonylphenyl propyl sulfonate [refer to as NPSO-n(n=5 and 8)] and cationic surfactant lauryldimethylbenzylammonium chloride(refer to as 1227) were studied as well as composition and mutual action parameters(βs and βm) of adsorption layer and micelle of the blended-surfactant were examined.Result showed that the cmc of the blend systems are much lower than that of the single surfactant in the blend system,and decrease with increase of the mole fraction of the 1227.When the mole fraction of the 1227 reaches 0.5,the cmc is lowest and lower two orders of magnitude than that of the single surfactant.Furthermore,the mutual action in the adsorption layer as well as in the micelle is rather strong and the composition is close to 1∶1 in the blend adsorption layer and the blend micelle.The two kinds of blend system display better foaming performance,wetting power and emulsifying power than that of a single surfactant NPSO-n.
引文
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[26]赵国玺,朱瑶.表面活性剂作用原理[M].北京:中国轻工业出版社,2003:541.
[27]丛娟,湘安,尤源,等.石油磺酸盐与原油乳化影响因素研究[J].汽油地质与采收率,2010,17(5):46-49.
[2]CUI Z G,CANSELIER J P.Interfacial and aggregation properties ofsome anionic-cationic surfactant binary systems[J].Colloid PolymerSci,2000,278:22-26.
[3]PATIST A,CHABRA V,PAGIDIPATI R,et al.Effect of chain lengthcompatibility on micellar stability in sodium dodecyl sulphite/alkyltri-methylammonium bromide solutions[J].Langmuir,1997,13:432-434.
[4]RODAKIEWICZ-NAWAK J.Influence of the nature of inorganic saltsand their concentration on the simultaneous adsorption of cationic andanionic surfactants:Mixtures of dodecyltrimethylammonium salts withsodium hexylsulfate in the solutions containing the inorganic salt ofions common with the surfactants[J].Colloid Interf Sci,1983,91:368-375.
[5]李学刚,宋丽,张光先,等.阴、阳离子混合表面活性剂的表面活性、表面张力、润湿能力和乳化能力[J].日用化学工业,1997(3):12-15.
[6]崔正刚,CANSELIER J P.一些二元阴/阳离子表面活性剂混合体系的混合胶束形成和表面张力降低的效能[J].日用化学工业,1997(4):1-6.
[7]杨振,吴明华.阴/阳离子二元表面活性剂复配体系的发泡性能研究[J].浙江理工大学学报,2007,24(2):143-146.
[8]赵国玺,肖进新.十二烷基季铵盐及其与十二烷基硫酸钠混合体系的表面活性[J].物理化学学报,1995,11(9):785-790.
[9]CHEN L,XIAO J X,RUAN K,et al.Homogeneous solutions of equi-molar mixed cationic-anionic surfactants[J].Langmuir,2002,18:7250-7252.
[10]史东,谷慧先,刘晓英,等.阴/阳离子表面活性剂复配体系的物化性能:不同乙氧基化数对溶解性及表面张力的影响[J].日用化学工业,2004,34(4):229-231.
[11]肖进新,赵振国.表面活性剂应用原理[M].北京:化学工业出版社,2003.
[12]杨卉艳,康保安,孙永强,等.脂肪醇聚氧乙烯醚丙基磺酸钠的合成及性能[J].精细石油化工,2012,29(4):30-34.
[13]SOHRABI B,GHARIBI H,TAJIK B,et al.Molecular interactions of cationic and anionic surfactants in mixed monolayers and aggregates[J].J Phys Chem B,2008,112(47):14869-14876.
[14]李学刚,赵国玺.混合阴阳离子表面活性剂体系的物理化学性质[J].物理化学学报,1992,8(2):191-196.
[15]赵国玺,程玉珍.正离子表面活性剂与负离子表面活性剂在水溶液中的相互作用[J].化学学报,1980,38(5):409-420.
[16]ROSEN M J.Surfactants and interfacial phenomena[M].3rd ed.Hoboken,NJ:Wiley,2004.
[17]RUBINGH D N,MITTAL K L.Solution chemistry of surfactants[M].New York:Plenum Press,1979:337-254.
[18]ANGARSKA J K,TACHEV K D,DENKOV N D.Composition of mixedadsorption layer and micelles in solutions of sodium dodecyl sulfate and dodecyl acid diethanol amide[J].Colloids and Surfaces A:Physico-chem Eng Aspects,2004,223:193-201.
[19]SURYANARATANA G,GHOSH P.Adsorption and coalescence in mixed-surfactant systems:Air-water interface[J].Ind Eng Chem Res,2010,49:1711-1724.
[20]ZHAO G X,ZHU D M.Surface-chemical properties of alkylmethyl-sulfoxide:Ionic surfactant systems[J].Colloids and Surfaces,1988,33:289-300.
[21]朱瑶,赵国玺.表面活性剂溶液起泡性研究Ⅱ:正负离子表面活性剂混合体系[J].精细化工,1994,3(6):9-12.
[22]李学刚,赵国玺.混合阴、阳离子表面活性剂溶液中的分子相互作用和相分离[J].物理化学学报,1995,11(5):450-453.
[23]LUNDBERG D,STJERNDAHL M,HOLMBERG K.Mixed micellar systems of cleavable surfactants[J].Langmuir,2005,21:8658-8663.
[24]ZHU Z H,DAVID Y,ROSEN M J.Some synergistic properties of N-alkyl-2-pyrrolidones,a new class of surfactants[J].J Am Oil Chem Soi,1989,66(7):998-1001.
[25]李作锋,潭惠民.表面活性剂混合体系的泡沫性和泡沫稳定性[J].油气田地面工程,2003(4):13-14.
[26]赵国玺,朱瑶.表面活性剂作用原理[M].北京:中国轻工业出版社,2003:541.
[27]丛娟,湘安,尤源,等.石油磺酸盐与原油乳化影响因素研究[J].汽油地质与采收率,2010,17(5):46-49.