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1、PowderTechnology192(2009)92–98ContentslistsavailableatScienceDirectPowderTechnologyjournalhomepage:www.elsevier.com/locate/powtecStabilityparametersformineralsuspensions:Improvingthedispersionoffillersinthermoplasticsab,⁎,LaurentFerrybbArnaudLafaurie,NathalieAzema,José-MarieLopez-CuestaaRioTintoAlca
2、n,UsineVaudreuil-UPCH,Bat301D,1955BoulevardMellon,Jonquière(QC),CanadaG7S4L2bCentredesMatériauxdeGrandeDiffusion,EcoledesMinesd'Alès,6,AvenuedeClavières,30319AlèsCedexFrancearticleinfoabstractArticlehistory:ThestudyofthestabilityofmineralsuspensionsusingHansensolubilityparameters(HSP)hasbeenReceive
3、d5May2008developedtopredictandoptimizethedispersionofmineralparticlesinthermoplastics,inordertopreventReceivedinrevisedform3November2008theagglomerationofparticlesleadingtoadecreaseinpolymerperformances.Inourstudy,thisapproachAccepted30November2008wasappliedtoaninnovativeapproachforthemanagementofs
4、ilicafume(SF)waste,consistinginusingthisAvailableonline16December2008by-productasafillerforpolypropylene.Thedeterminationofthestabilitycoefficienttookintoaccountthemaindispersionparameters,whichthusalsoprovidedastabilitymap,enablingasurfacemodificationoftheKeywords:SuspensionSFtobedefinedthatmakesithig
5、hlysuitableforincorporationinpolypropylene.WepresentchemicalInterfacecharacterizationsurfacetreatmentswithoctadecylaminetoillustratethisapproach.Hansenparameters©2008ElsevierB.V.Allrightsreserved.StabilityMineralfillersSilicafumesFilledpolymer1.Introductiondispersion.Characterizationcanbeperformedof
6、f-lineusingimageanalysismethods[3]orin-lineduringprocessingusingspectroscopicSilicafume(SF)isaby-productofthereductionofhigh-puritytechniquessuchasinfraredorultrasonicmeasurement[4,5].Amorequartzbycoalorwoodinelectricfurnacesfortheproductionofsiliconunusualapproachisthedevelopmentofmethodsforpredic
7、tingfillerandferrosiliconalloys.Beforethemid-1970s,nearlyallsilicafumewasdispersionpriortotheirincorporationinthepolymermatrix.Thesedischargedintotheatmosphere.Asaresultofenvironmentalconcernsmethodsinvolvet
