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1、GModelJIEC-950;No.ofPages6JournalofIndustrialandEngineeringChemistryxxx(2012)xxx–xxxContentslistsavailableatSciVerseScienceDirectJournalofIndustrialandEngineeringChemistryjournalhomepage:www.elsevier.com/locate/jiecCurekineticsandmodelingthereactionofsiliconerubberIn-Kw
2、onHong,SangmookLee*DepartmentofChemicalEngineering,DankookUniversity,126,RepublicofKoreaARTICLEINFOABSTRACTArticlehistory:Thekineticsofthecrosslinkingreactionofpolydimethylsiloxane(PDMS)wasstudiedbydifferentialReceived16April2012scanningcalorimeter(DSC).Thekineticparame
3、tersofthereactionwerecalculatedfromtheKissinger,Accepted14May2012theAvailableOzawa,theFlynn–Wall–Ozawa,andtheFriedmanmethods.TheChangmethodwasalsousedtoonlinexxxdeterminereactionorderandtocomparewithothermethods.Toimprovetheaccuracy,theautocatalyticmodelandthemodified-Ch
4、angmethodwereintroduced.ThetheoreticalheatgenerationagainstKeywords:temperaturePolydimethylsiloxanecurves,calculatedbytheestimatedkineticparameters,wellfittheexperimentaldata,whichindicatedthattheanalysismethodusedinthisworkwasvalid.TheprocessingtimeandPDMStemperaturewas
5、predictedbythedirectintegrationofthekineticequationwiththedatafromSiliconerubberisothermalruns.Itwouldgiveavaluableguideforthethermalprocessingofsiliconerubber.CrosslinkingreactionVulcanizationß2012TheKoreanSocietyofIndustrialandEngineeringChemistry.PublishedbyElsevierB
6、.V.AllrightsCurekineticsreserved.1.IntroductionScheme1.Ahydrosilylationreactionoccurswhensufficientheatisapplied.Assumingthateachcross-linkingcanreleasethesameSiliconematerialshavemanyapplicationsduetotheirinterest-amountofenergy,theheatreleasedincuringreactionscanbeingp
7、roperties.Siliconerubbersgenerally,basedonpolydimethyl-utilizedtomonitorthecuringprocess[11].Kineticmodelsrelatesiloxane(PDMS),havespecialpropertiessuchaslowtoxicity,thereactionratetothetemperature,andthedegreeofreactionandphysiologicalinertness,goodbloodcompatibility,a
8、ndgoodthermal,kineticdataobtainedfromDSCareveryusefulforunderstandingoxidative,andmechanicalstabilities,aswell