丙烯酸-马来酸酐共聚物钠盐分散水相中硫酸钡的研究

©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()29(3):301304,2006JournalofShanxiUniversity(Nat.Sci.Ed.):025322395(2006)032030120421,13,2,3(1.,100081;2.,071001;3.,100083):2.,.,0.6%,,,D605.2320Lm4.3443Lm.:2;;:O631:A,.[13].,..[4],2,2.2,,,.11.1();;35%;1molöL;2()1.2(NicoletNexus670);(S-520);(PSS)Nicomp;(NDJ1).a:2005211208;:2005212221:(2004BA308A25-15);:(19772),,,,.3:E2mail:[e-mail].©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(MA),,(AA),,2h,,pH=78,2(25%,=1.19göcm3).1.41.4.14()2%100mL0mL,0.5mL,2.0mL,4.0mL,30min,.1.4.2100mL100mLpH2%,pH2%,30min;1min15,,2h,,,,[5].1.4.3pH,60%,5h50mL,,NDJ1(3,12römin,20).1.4.42.0mL,,100mL2%2.0mL,30min,.2122.121,C=O1610cm-11550cm-11472cm-11396cm-1,995cm-1985cm-1915cm-1905cm-1CH2-CH-CH2CH,730cm-1665cm-1CH2=CHC-H,,2.2.22(P303),2,,(2a),0.5mL2,,(2b),2.0mL2,,,(2c),4.0mL2,,(2d),.2,,,,,,,,,.2.33(P33),pH.pH7,10min,90mL,pH7,,2h10mL,pH10,0.5mL2h203()29(3)2006©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(P304),D605.2320Lm,D604.43443Lm,,3d,,10min.42,,0.6%.,2.303:2©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[1]DAVIESL,DOLLIMORED,MCBRIDEGB.SedimentationofSuspensions:SimpleMethodsofCalculatingSedimentationParameters[J].PowderTechnology,1977,16:45.[2]GLASRUDGC,NAVARRETERC,SCRIVENLE,etal.SettlingBehaviorsofIronOxideSuspensions[J].AIChEJ,1993,39:560.[3]STENOURHH.RateofSedimentation:NonflocculatedSuspensionofUniformSpheres[J].IndustrialAndEngineeringChemstry,1944,36:618.[4]BALASTREM,ARGILLIERJF,ALLAINC.FoissyRoleofPolyelectrolyteDispers2antintheSettlingBehaviourofBariumSulphateSuspension,ColloidsandSurfacesA:Physicochem[J].EngAspects,2002,211:1452156.[5]CARLOSGY.HebertoBalmori2Ramrez,froylnmartnez,ColloidalProcessingofBaTiO3usingAmmoniumPolyacrylateasDispersant[J].CeramicsInternational,2000,26:610.StudyonDispersingEffectofSodiumSaltofAcrylicAcid-co-maleicAnhydrideinBariumSulfateAqueousSuspensionLIHan2cheng1,ZHANGQiang1,LIUShu2jing2,ZHANGXiao2jun3(1.DepartmentofChemistry,SchoolofScience,BeijingInstituteofTechnology,Beijing100081,China;2.DepartmentofChemistry,SchoolofScience,HeBeiagriculturalUniversityBaoDing071001,China;3.CentralResearchInstituteofchinaChemicalScienceandTechnology100083,China)Abstract:Dispersingeffectofsodiumsaltofacrylicacid2co2maleicanhydrideonthebariumsulfateaqueoussuspensionwasstudiedbyinfraredanalysis,sizeanalysis,sedimentexperimentsandrheologicalbehavior,respectively.RheologicalandsedimentbehaviorofthebariumsulfatewasmeasuredasafunctionofpHanddispersantconcentration.Bariumsulfatesuspensionwasdispersedwellwhenaddedwithsodiumsaltofacrylicacid2co2maleicanhydride,butwhendispersantwasnotsufficientorexcessivelythesuspensioncouldnotdispersantwell.Viscosityofbariumsulfateaqueoussuspensiondecreasedalongwiththeadditionofsodiumsaltofacrylicacid2co2maleicanhydride,notuntilthedispersantconcentrationcomeupto0.6%didtheViscositybecomethelowest.Keywords:sodiumsaltofacrylicacid2co2maleicanhydride;bariumsulfate;dispersing403()29(3)2006