两种引发体系50%阳离子度P(DAC-AM)聚合工艺初步研究的开题报告.docx

两种引发体系50%阳离子度P(DAC-AM)聚合工艺初步研究的开题报告

Title:PreliminaryStudyonPolymerizationProcessof50%CationicDegreeP(DAC-AM)TriggeredbyTwoDifferentInitiatingSystems

Introduction:

Polymerizationofcationicpolymersplaysacrucialroleinmanyindustriessuchaswatertreatment,papermaking,andcosmetics.Amongthem,quaternaryammonium-basedcationicpolymersarewidelyusedduetotheirexcellentwater-solubility,stableperformance,andbiodegradability.Poly(diallyldimethylammoniumchloride-co-acrylamide)(P(DAC-AM))isoneofthemostcommonlyusedquaternaryammonium-basedcationicpolymers.

Toimproveitsperformanceandexpanditsapplication,itisnecessarytostudythesynthesisprocessofP(DAC-AM)indepth.Inthisreport,weaimtoinvestigatethepolymerizationprocessofP(DAC-AM)with50%cationicdegreebytwodifferentinitiatingsystems.

Methodology:

1.Materials:diallyldimethylammoniumchloride(DAC),acrylamide(AM),ammoniumpersulfate(APS),potassiumpersulfate(KPS),N,N,N,N-tetramethylethylenediamine(TEMED),anddeionizedwater.

2.Polymerizationprocess:

a)InitiationwithAPS:AmixtureofDACandAMwithamolarratioof1:1wasdissolvedindeionizedwatertoforma50%cationicdegreesolution.Then,APSwasaddedtothesolutionasaradicalinitiator.Themixturewasstirredandheatedtoinitiatethepolymerizationprocess.

b)InitiationwithKPS/TEMED:AmixtureofDACandAMwithamolarratioof1:1wasdissolvedindeionizedwatertoforma50%cationicdegreesolution.AmixtureofKPSandTEMEDwasaddedtothesolutionasaredoxinitiator.Themixturewasstirredandheatedtoinitiatethepolymerizationprocess.

3.Characterization:TheobtainedpolymerwascharacterizedbyFouriertransforminfraredspectroscopy(FTIR),gelpermeationchromatography(GPC),andzetapotentialanalysis.

ExpectedResults:

ItisexpectedthatthepolymerizationprocessofP(DAC-AM)with50%cationicdegreewillbesuccessfullytriggeredb