沉淀法制备氧化锌粉体-郑兴芳

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,,(,276005):,,。(TG-DTG-DTA)、X(XRD)、(IR)(SEM)。:Zn4(OH)6CO3;、(PEG),;PEG,,。:;;:TQ132.4:A:1006-4990(2012)03-0019-03PreparationofzincoxidepowderbyprecipitationmethodZhengXingfang,GuoChenghua,ZhengJianguo(SchoolofChemistryandChemicalEngineering,LinyiUniversity,Linyi276005,China)Abstract:Theprecursor,basiczinccarbonatewasobtainedbyprecipitationmethodwithZnSO4andNa2CO3asrawmaterials.ThenZnOpowderswerepreparedafterpyrolysisofprecursor.PrecursorandZnOpowderswerecharacterizedandanalyzedbyTG-DTG-DTA,XRD,IR,andSEMrespectively.ResultsshowedthattheprecursorwasZn4(OH)6CO3;pureZnOcanbebothpreparedbywaterandethyleneglycolassolventsandbyPEGasdispersant;andthemorphologyanddispersibilityofZnOcouldbeimprovedandagglomerationcouldbeavoidedwithethyleneglycolassolventandPEGasdispersant.Keywords:zincoxide;preparation;precipitationmethod、、,、、,、、。[1-2]、-[3-4]、[5-7]。、、、、,、。,。。、,,,,[8-15]。ZnSO4·7H2ONa2CO3,PEG,ZnO。11.1、、、、PEG6000,。1.21mol/LZnSO4Na2CO3,ZnSO4。1∶1,,1h。,(SO42-)。100℃。4h。1.3XRDBrukerD8X。S-3400N。IRFT-IR200。ZRY-1P。22.1TG-DTG-DTA1。1:60~110℃,;230~270℃,OH-CO32-,44320123INORGANICCHEMICALSINDUSTRY1920%,Zn4(OH)6CO3(23.22%),Zn4(OH)6CO3。TG,DTGDTA255℃,OH-CO32-,。1TG-DTG-DTA2.2XRDZn5(OH)6(CO3)2Zn4(OH)6CO3。:JCPDS19-1458,Zn5(OH)6(CO3)2;JCPDS11-287,Zn4(OH)6CO3。2XRD。2,13.2、32.9、59.2°,JCPDS11-287,Zn4(OH)6CO3,TG-DTG。3300、400、500℃4hXRD。,,,。23XRDXRD3300、400、500℃PDF36-1451,31.3、34.0、36.2、47.5、56.6、63.0、68.9°,(100)、(002)、(101)、(102)、(110)、(103)、(112),。3:300℃,TG-TDG-DTA;300℃500℃,,,,。2.3IR4300、400、500℃4hIR。4:3380cm-1,,;1510、1380、833cm-1CO32-。,,XRD。4:,3380cm-1,,;a450cm-1,b、c、d,,(b,450cm-1,;c,450cm-1;d,450cm-1);,1510、1380、833cm-1。300、400、500℃。4ZnOIR2.4SEM、PEG6000,5。5:,,;,;PEG6000,,。,(),,,、。,44320,,,,,;,,,,。,;,PEG,。,。5SEM31)ZnOTG、XRDIR,Zn4(OH)6CO3。2)XRDIR,ZnO。,,X,,。3)SEM、PEG6000ZnO,,PEG6000,。:[1]ZhangHui,YangDeren,JiYujie,etal.LowtemperaturesynthesisofflowerlikeZnOnanostructuresbycetyltrimethylammoniumbromide-assistedhydrothermalprocess[J].J.Phys.Chem.B,2004,108(13):3955-3958.[2]...ZnO[J].,2011,28(2):164-167.[3],,,.-ZnO[J].,2007,38(11):1908-1911.[4]VafaeeM,GhamsariMS.PreparationandcharacterizationofZnOnanoparticlesbyanovelsol-gelroute[J].Mater.Lett.,2007,61(14/15):3265-3268.[5],,,.[J].,2002,18(10):1037-1041.[6]ChenChangchun,LiuPing,LuChunhua.Synthesisandcharacteri-zationofnano-sizedZnOpowdersbydirectprecipitationmethod[J].Chem.Eng.J.,2008,144(3):509-513.[7],,.[J].,2004,36(6):19-22.[8],,.[J].,2005,37(7):28-31.[9],,,.PEGMgO[J].,2007,36(6):1399-1402.[10],,,.IF-MoS2[J].,2005,21(8):1170-1174.[11],,,.ZnO[J].,2007,13(1):20-22.[12],,,.[J].,2003,39(4):6-9.[13],,,.LaCoO3[J].,2007,31(2):192-196.[14],.-Fe3O4[J].,2002,14(5):563-565.[15],,.Co3O4[J].,2003,27(6):671-675.:2011-09-12:(1978—),,,,。:xingfangzheng@163.comROC201226,(RockwoodHoldingsInc,“ROC”),1.4。,2t/a,2013。,ROC7500。2013ROC5t/a。ROCSeifiGhasemi,“,,。。、、。”BusinessWire.2012-02-062012216,(トクヤマ),(Sarawak)Samalaju。,79.16(),13800t/a,20144。2t/a。,5%10%。マレーシアナビ.2012-02-17!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!20123:21

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