Respondent：WANGXinfu

Instructor：XUYuxin/05/29StudyontheImprovementofStarchSeriesBody

ReinforcingAgentandItsRelatedMechanism第1頁第2頁Researchbackgroundandsignificance1ResearchContent2Conclusions3ReportOutline第3頁Thedevelopmentofenvironmentallyfriendlyceramicproductswithhighaddedvalueandhightechnologyisthedevelopmentdirectionoftheceramicindustryinthefuture.BackgroundWiththelarge-scaleindustrializationandmechanizationofceramicproduction,theraworesludgewillalsobeconsumedinlargequantities,andhigh-qualityoresludgewillsoonbeexhausted.ResourceconservationEnvironmentalprotection第4頁

Ceramicbodyextractenhancer:Aslongasthematerialcanbeusedtoincreasethestrengthofthebody,itcanbecalledenhancer.Itischaracterizedbyenhancingthestrengthoftheceramicbodybasedonitseffectonthefluidityandrheologyoftheslurry.CMCPolyvinylalcoholThemainbodyenhancerclassificationLigninHumicacidsodium

BodyEnhancerOverviewModifiedstarch第5頁StarchseriesbodyenhancerAdvantageThesourceofrawmaterialsisconvenient,mainlystarch,andthecostislow;Theceramicbodyhasabetterreinforcingeffect.DisadvantageComparedwithforeignhigh-performanceceramicblankreinforcements,theenhancementeffectneedstobeimproved;Afterbeingstoredforaperiodoftime,itiseasytoregenerate(thephenomenonofviscosityreduction),whichisnotconducivetothepreservationofthebody.第6頁SolutionSodiumacrylatehasagoodthickeningeffectonstarch.TheVanderWaalsforcebetweenthecompositionandthestarchpolymercausesthestarchparticlestobindwitheachother,andatthesametime,italsopromotesthehydrogenbondbetweenthestarchmoleculestoenhancetheviscosityofthestarch.第7頁Experimentalflowchart

SodiumpolyacrylateWetbilletDrybillet

AcrylicSodiumhydroxideSodiumpersulfate4-methoxyphenolAnalysisofdryandwetbilletsContrastanalysiswithblankIndustrialproductionapplications

ThreedayslatertestreturnViscosityevaluationAnalysisofsodiumpolyacrylateforfurtherevaluationNoteasytoreturnIncreasedviscosityEvaluationoffoldingresistanceofbricksmadebydifferentmethodsSinglefactortest,orthogonaltest第8頁TheinfluenceofdifferentfactorsTheeffectofdifferentmonomerconcentrationonviscosityTheeffectofdifferentreactiontemperaturesonviscosity

Fromthefigureabove,itcanbeseenthatasthemonomerconcentrationincreases,themeasuredviscosityofthepreparedpolymeralsoincreases.Fromthefigurebelow,thebestreactiontemperatureisaround60℃.第9頁TheinfluenceofdifferentfactorsTheeffectofdifferentreactiontimesonviscosityFromthefigure,itcanbeconcludedthatasthereactiontimeprolongs,theviscosityofthepreparedsodiumpolyacrylateincreases,andtherelativemolecularmassofthepolymersharplyincreases,buttheviscositygrowthtrendbecomesslowerover2hours.第10頁Rebirthtest

RebirthtestAscanbeseenfromthefigure,whenTY-2wastestedalone,itwaseasytoregenerate.Afterthreedays,theviscositywas1.33mPa/S,whichwasadecreaseof25.70%.Theviscosityoftheimprovedenhancerincreasedwithtime,andtheaverageviscosityis19.17%.

編號第一次測試粘度/（mPa/S)三天后測試粘度/（mPa/S提升率/%平均提升/%0（單獨(dú)TY-2測試）1.791.33-25.70

13.183.9223.2719.1724.165.0220.6735.056.1221.1944.425.3521.0456.777.8315.6664.124.9620.3975.516.1010.7184.985.116.5798.0010.6433.00第11頁Orthogonaltestanalysis

編號

試驗(yàn)號原因

粘度/（mPa/S)

與TY-2結(jié)合測試粘度/（mPa/S)丙烯酸濃度A（%）反應(yīng)溫度B（℃）反應(yīng)時(shí)間C（h）列號1231A1B1C11112.183.182A1B2C31232.494.163A1B3C21324.505.054A2B1C32133.934.425A2B2C22225.656.776A2B3C12312.684.127A3B1C23124.275.518A3B2C13214.384.989A3B3C33337.508.00TY-2單獨(dú)測試粘度1.79mPa/SThroughorthogonalexperimentalanalysis,sodiumpolyacrylatewiththebestviscositywasobtained,anditwasdopedintoTY-2,followedbyanalysisoftheoptimalconditionsofsynthesis.Whenthe30%concentrationofacrylicacidreactedat60celsiusdegreesfor1.8hours,thesynthesizedsodiumpolyacrylatehadthebesteffect.第12頁EvaluationofreinforcementsformakingblanksEvaluationofgreenbodyenhancer

Fromthedatainthetable,itcanbeconcludedthatsodiumpolyacrylatehasagreatimprovementonTY-2,enhancerenhancereffectissignificantlyimproved,thebestgroupandtheblankgroupincreasedbyanaverageof65.92%.Thisgrouphasanaverageincreaseof20.78%overthegroupthatonlyaddedTY-2.Fromthecomparisonofthesetwodata,itisfeasibletoaddsodiumpolyacrylatetoimprovestarchseriesblankbodyenhancer.第13頁Achievements第14頁Whentheconcentrationofacrylicacidis30%,thereactiontemperatureis60°C,andthereactiontimeis1.8h,thesodiumpolyacrylatepreparedbypolymerizationhasthebesteffect.Whenthedopingamountis20%to30%ofthereinforcingagent,theaveragegreenbodystrengthincreasesby12.92%to21.08%(comparedwiththeadditionofTY-2only)ThedefectofTY-2starchgreenbodyenhancerwasimproved.Afteraddingsodiumpolyacrylate,theimprovedgreenbodyenhancerwastest