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Study on the Stabilizing Conditions of W/O Microemulsion
维普资讯 JournalofShanghaiUniversity(EnglishEdition) ISSN 1007.6417,Vot.5,No.4(Dec.2001),PP338--340 StudyontheStabilizingConditionsofW /O M icroemulsion PANQir~g-yi, LUq g, CHENGZhi-xuan, ZHANG n他·pEng, DONGX o-州e妃 DepartmentofChemistry,CollegeofscH。∞,ShanghaiUniversity,Sha,agha.i200436,China Abstract ThestabilizingconditionsofW /(】microemulsionofTx-6~ C4H9OH/c-C6Hl2佃 20 system werestudied byvisualobserva tlon TheresultshowsthatwhentheweightratioofTx-6toC4 OH is4:l,theW /(】microemulsionsystem hasstabilizingandexten siveregions.andthesystem isinsensitivetothevaluesofpHandintherangeofroom temperatureInaccordancewiththetheoretica valueofHLB,thesuiatblevalueofHLBforTx一6andCH‘9OH toocmposemicroemuisionisgreaterthan9,lessthanorequalto10. Keywords Tx-6,C4 OH,w加 microemulsion Inrecentdecade,themicroemulsionmethodused gtons. topreparenano—sizeoxidehasprogressedveryrapidly 1 Experimental andattractedconsiderable interestdue to the advan. tagesofsimpleexperimentalinstruments,easeof0p— This experiment used the non.ionic, Tx一6 eratingandcontrollingthesizeandshapeoftheoxide (alkylphenolpolycolether)assnrfactant.C4H90H particle. (buatno1)asassistantsurfactant,andc-C6Hl2asthe The microemulsion acted as the reaction medium oil.Allthe reagentsused were AR grade exceptthe whenitisused topreparenanoparticles.During the Tx一6 reaction,themicroemulsion providesspecialaqueous At20℃ water.bath,in certain ratio ofTx一6 t0 cores。whichdeterminethesizeoftheproduct,s0it C4H90H,anddilutedgraduallywithdistilledwater, isessentiaIto choes astable microemulsion system . then the stabilizing regionswere observed by visual Recently some resultsof studieson preparing t
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