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时间:2019-07-10
《Modeling of Polymer Phase Equilibria Using Equations of State》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、AdvPolymSci(2011)238:389418DOI:10.1007/12_2010_94#Springer-VerlagBerlinHeidelberg2010Publishedonline:31July2010ModelingofPolymerPhaseEquilibriaUsingEquationsofStateGabrieleSadowskiAbstractThemostpromisingapproachforthecalculationofpolymerphaseequilibriatodayistheuseofequationsofstatethat
2、arebasedonperturbationtheories.Thesetheoriesconsideranappropriatereferencesystemtodescribetherepulsiveinteractionsofthemolecules,whereasvanderWaalsattractionsortheformationofhydrogenbondsareconsideredasperturbationsofthatreferencesystem.Moreover,thechain-likestructureofpolymermoleculesis
3、explicitlytakenintoaccount.Thisworkpresentsthebasicideasofthesekindsofmodels.Itwillbeshownthatthey(inparticularSAFTandPC-SAFT)areabletodescribeandeventopredictthephasebehaviorofpolymersystemsasfunctionsofpressure,temperature,polymerconcentration,polymermolecularweight,andpolydispersityas
4、wellasincaseofcopolymerscopolymercomposition.KeywordsCopolymersEquationofstateModelingPolymersSolubilitySorptionThermodynamicsContents1Introduction...............................................................................3922EquationsofState....................................
5、.....................................3923EstimationofModelParameters..........................................................3994ModelingofHomopolymerSystems......................................................4015ExtensiontoCopolymers...................................................
6、..............4056AccountingfortheInfluenceofPolydispersity...........................................4087Summary..................................................................................414References.................................................................................
7、...416G.SadowskiTUDortmund,DepartmentofBiochemicalandChemicalEngineering,LaboratoryforThermo-dynamics,Emil-Figge-Strasse70,44227Dortmund,Germanye-mail:g.sadowski@bci.tu-dortmund.de390G.SadowskiSymbolsAHelmholtzenergyaParameterofthevanderWaalsequationBabFractionofbondsbetw
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