氯乙烯—異丁基乙烯基醚共聚樹脂合成與表征.pdf

1、浙江大學碩士學位論文氯乙烯—異丁基乙烯基醚共聚樹脂合成與表征姓名：唐志虎申請學位級別：碩士專業(yè)：化學工程指導教師：包永忠20040201浙江大學碩士畢業(yè)論文ABSTRACTABSTRACTVinylchloride—isobutylvinylether(VC—IBVE)exhibitsgoodchemicalresistance，weatherresistanceandadhesivestrengthwithmetals，SOitiso

2、neofusefulbaseresinsforcoatingandinkThispaperwasdevotedtothepreparationofVCIBVEcopolymersbyemulsioncopolymerizationInfluencesofpolymerizationrecipeandconditionsonthepolymerizationkinetics，molecularweightandcopolymercompo

3、sition，andrelationshipbetweenstructureandpropertiesofcopolymers，wereinvestigatedTheresultswouldprovidebaseforproducingofVC—IBVEcopolymerinindustrialscaleVCIBVEcopolymerwassynthesizedbyemulsioncopolymerization，usingrNI14)

4、2S208fNa2S03／euS04astheinitiatorsystemandsodiumdodecylsulfonate(SDS)astheemulsifierInfluencesoffeedingmonomercomposition，polymerizationtemperature，concentrationsofinitiatorsystemandSDS，andfeedingpolicyonpolymerizationkin

5、eticswereinvestigatedVCIBVEemulsioncopolyizationcouldbecardedoutinrelativelylowertemperaturebyusingternaryredoxinitiatorsystemThepolymefizationrate(Rp)increasedasconcentrationofinitiatorandpolymefizationtemperatureincrea

6、sedRpdecreasedasthemolarfractionofIBVEinfeedingmonomersincreasedRptendedtobeuniformwhenVCwasaddedsteplySDSconcentrationhadnoobviousinfluencesofRp，butthestabilityoftheresultingemulsionwaslowerwhenSDSconcentationwaslowerTh

7、einstrincviscosityofVCIBVEcopolymerdecreased88IBVEmolarfractioninfeedingmonomerandpolymerizationtemperatureincreased，whileitchangednomoreastheconcentrationsofinitiatorandSDSvariedVC_IBVEcopolymerswithrelativelyuniformcom

8、positiondistributionandgoodsolubilityintoluenewerepreparedbycontrollingtheconversioninbatchemulsioncopolymerizationandaddingofVCsteplyinsemibatchemulsioncopolymerizationBymodifyingthereactingmonomercompostionorreactivity