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Citation:
Xiao-ming Chen, Hai-yang Yang, Xian You, Ping-ping Zhu, Ping-sheng He. EFFECT OF ANIONIC SURFACTANT UPON THE VISCOSITY OF POLYMER GUAR GUM SOLUTIONS[J]. Chinese Journal of Polymer Science,
;2006, 24(4): 437-440.
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Thereducedviscosityofpolymerguargumsolutionscontainingacertainconcentrationofsodiumdodecylbenzenesulfonate(SDBS)wasmeasured.IthasbeenfoundthattheHugginscoefficientkHofpolymersolutionsisverysensitivetotheconcentrationofthesurfactant,cSDBS,insolutions.IfcSDBSislowerthanCMC,thecriticalmicelleconcentrationofSDBS,kHincreasesrapidlywithcSDBS.Ontheotherhand,ifcSDBSislargerthanCMC,kHdecreasesrapidlywithcSDBS.Comparatively,theintrinsicviscosityofpolymersolutiondoesnotshowanotablechangewithcSDBS.TheexperimentalresultsindicatethattheinterchainassociationofpolymerguarguminsolutionisgreatlyassociatedwithSDBSinteractedwithpolymerchainsthroughhydrogenbonds.However,theeffectofSDBSupontheintrachainassociationofpolymerguargumsolutionisnegligible,presumablyduetothefactthatguargumisaslightlystiffenedrandom-coilchainpolymer.
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