可再分散乳膠粉的制備研究.pdf

1、大連理工大學(xué)碩士學(xué)位論文可再分散乳膠粉的制備研究姓名：馬晶晶申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：化學(xué)工程指導(dǎo)教師：于才淵20070601可再分散乳膠粉的制備研究StudyonpreparationofredispersibleemulsionpowderAbstractChemicalbuildingmaterialspreparedbyorganicpolymersmaterialsanditscompositematerialsareusual

2、lyusedinbuildingengineeringconstructionThematerialshavecharacteristicsoflowconsumption，lowdensity，goodcorrosionresistance，heatinsulationandHi幽DecorativeWiththedevelopmentofcitybuildingconstructionandconstructionindustry，

3、moreandmorenewbuildingmaterialsappearcontinuously，andchemicalbuildingmaterialshasbecomethefoundationalindustryofoursocietyAVEisacommoncementmortaradditive，butit’Sinconvenientandcostlytostoreandtransport，andtheratioofAVEa

4、ndcementmortarisuncertainThisproblemcanbeeasilysolvedbymeansofpreparingemulsionTllispaperstudiedthemethodofpreparationofredispersableemulsionpowderbyspray蛐g(shù)，thepurposeisinsearchofapracticalandusefulprocessingtechnologyFi

5、rst，AVEandMMAwereappliedasseedemulsionandshellmonomerintheco陽(yáng)shellemulsionpolymerizationTheeffectofmonomerratio，emulsifierandinitiatorchoiceandthefeedmethodwereinvestigatedThentakinginletairtemperatureandfeedspeed鷦refere

6、ncefactorduringthespraydryingprocessThroughexperiment，thegoodcoatl討milkwhiteemulsionpowder晰mgoodfluidity，evenlydistributedaveragediameterof螄，andgoodmembraneperformanceWasachievedTllesuitableconditionstoprepare也e、emulsion

7、powderwereexperimentallyfoundasfollows：theratioofthecoretoshellwas2：1。thefeedmethodwassemi—continuousprocess，thecontentofemulsifieriS2％，the。o，，finitiatoris3％，theinletairtemperaturewas150“C，andfeedspeedwas105”■^Secondy，Av

8、EandBA，VAwereappliedasseedemulsionandshellmonomerinthecoreshellemulsionpolymerizationThesametechnologyiSusedinthisexperimentThroughexperimenttheoptirealtechnologicalparametersaregiven：theratioofthecoretoshellWas125：1，the

9、feedmethodwassemicontinuousprocess，thecontentofemulsifieriS6％，thecontentofinitiatoris4％，theinletairtemperatureWas150℃，andthecontentoftalcumpowderiS15％AndtheMFTofthepowderpreparedthroughthisexperimentiS10℃Inconclusionemul