巴斯夫用于乳液聚合的表面活性剂

SurfactantsforEmulsionPolymerizationEP-Surfactants-FORINTERNALUSEONLY-DONOTDISTRIBUTE-FormulationTechnologiesAsiaSurfactants(Basics)“Tail”“Head”HydrophobicMoleculePartsC12H25-„aryl“INTERNSurfactants(Basics)“Head”HydrophilicMoleculeParts„phosphate“-Atypicalpolymerlatexformulationconsistsof:
Water35-70%
Emulsifier0.5-3%
Monomers30-65%
Initiator0.1-0.5%
Buffer0-1%EmulsionPolymerisation(Basics)INTERN33providecolloidstabilityforgrowingandfinalparticles,primarilydetermineparticlesizeanditsdistribution,furtherinfluenceson:e.g.latexviscositymechanicalstabilityandfreeze-thawstabilityprocesscapability(e.g.filterablesolids)Toputitsimple:-Anionicsareprimarilyusedtorunthepolymerizationreaction(micelleformation–determineparticlesize).-Non-ionicsareprimarilyusedtostabilizethepolymeremulsion.EmulsionPolymerisation(Basics)INTERN
Emulsifier(Surfactants)MonomersEmulsifiersInitiatorWaterLatexparticleT=80°CBindersfor:PaperPaintsAdhesivesTextileConstruction~1,5%Acrylate,Styrene,Vinylacetate...Latexpropertiesdirectlyinfluencedbytheemulsifiersused:SolidcontentParticlesizeCoagulateViscositySurfacetensionElectrolytestabilityShearstabilityFreeze-thawstabilityFilmqualityWaterresistanceFoambehaviourINTERNEmulsionPolymerisation(Basics)3,5nm5nm103nm=surfactantmoleculemicelleMMMMMMMMmomomerdropletmonomersolubilisationinthemicelleMswollenmicellelatexparticle102nmM=monomermoleculeI=initiatormolecule..I+II.AirWaterEmulsionPolymerisation(Basics)Surfactantsformmicelleswithasphericalstructureinaqueousphases.Thisisthelocationwheretheradicalpolymerizationreactiontakesplace*micelle“3-Dview“EmulsionPolymerisation(Basics)LatexElectronmicrographofanall-acryliclatex:9Polymerizationbehaviour:end:homogeneouslatex,onlyslightcoagulationonthewall,duetoevaporationofwateronthehotsurfaceend:strongcoagulationonthesurfaceandonthestirrerduetoinsufficientstabilizationEmulsionPolymerisation(Basics)TypeoflatexMainMonomersEnd-useapplicationsPureAcrylicLatexMMA,BA,2-EHAPaint,PSA,Adhesive,TextileStyreneAcrylicLatexStyrene,BA,MMA,2-EHAPaint,Textile,Construction,InkVinylAcetate/AcrylicLatexVinylacetate,BA,2-EHAPaint,Adhesive,Papercoatings,TextileE-PVCLatexVinylchlorideFlooring/wallcovering,sartificialleather,automotiveapplication,glovesSBLatexStyrene,ButadienePapercoatings(75%),CarpetbackcoatingsNBRLatexAcrylonitrile,Butadiene,CarboxylicacidNitrileGlovesApplicationAreasforEP-SurfactantsApplicationAreasforEPSurfactants(recommendationguideline)ApplicationAreasforEPSurfactants(recommendationguideline)Disponil®Emulan®Emulphor®Lutensit®Lutensol®HighPerformanceSurfactantsforEmulsionPolymerisationProductPortfolio(legacyCognis/legacyBASF)AlkylsulfatesINTERN42C12/14TriethanolamineLaurylSulfateDisponilTLS4227C16/18’OleylCetylSulfate,Sodium-saltDisponilOCS2728C12/16SodiumLaurylSulfateDisponilSLS10395C12SodiumDodecylSulfate,GranulesDisponilSDSG30C12SodiumDodecylSulfateDisponilSDS3015C12SodiumDodecylSulfateDisponilSDS1533C8/14AmmoniumLaurylSulfate33DisponilALS3347C8-2-EH2-EthylHexylSulfate,Sodium-salt47TexaponEHSProductNameAlkylChainAbbreviation/ChemistryActive,%R-OSO3-Na+,(NH4+)Features/BenefitsBasicsurfactantsExcellentparticlesizecontrolFoamingagents(e.g.forcarpetbacking,textile)ShorterC-chaintrendstoprovidehigherCMC(bigger/broaderparticlesize,lessstability,andlessfoamtendency).AlkylbenzenesulfonatesINTERN55DisponilLDBS5525DisponilLDBS25T19LinearDodecylBenzeneSulfonaten-DodecylDisponilLDBS19Active,%ProductName55LutensitA-LBA98LutensitA-LBSAlkylChainAbbreviation/Chemistryn-Dodecyln-Dodecyln-Dodecyln-DodecylLinearDodecylBenzeneSulfonateLinearDodecylBenzeneSulfonateDodecylBenzeneSulfonicAcidDodecylBenzeneSulfonate,AmineC12H25-SO3NaFeatures/BenefitsBasicsurfactants,suitableforalltypeofmonomersCommonlyuseinE-PVC,NBRlatex,andseedLatexStableagainsthydrolysisAlkylethersulfatesINTERN3030C12/14EmulphorFAS3033FattyAlcoholEtherSulfate,NaC12/14DisponilFES773250C12/14DisponilFES6131FattyAlcoholEtherSulfate,NaDisponilFES430Active,%Abbreviation/ChemistryAlkylChainProductNameEO-degree272C12/14DisponilFES27FattyAlcoholEtherSulfate,Na4C12/14DisponilFES32C12/148FattyAlcoholEtherSulfate,Na29DisponilFES993DisponilBES20C12/14IsoC1312FattyAlcoholEtherSulfate,NaBranchedAlkylEtherSulafte,Na20302930FattyAlcoholEtherSulfate,NaFattyAlcoholEtherSulfate,NaR-O(CH2CH2O)xSO3NaFeatures/BenefitsAlternativetoAPEO-sulfates,ImprovestabilizationoflatexoveralkylsulfateslowerEO–moresuitableforallacryliclatex,mediumEO–moresuitableforstyreneacryliclatex,highEO–moresuitableforVAlatexhigherEO,higherCMC,largerparticlesize,mediumtohighEO,emulsifiersforAlkydresinAlkylphenolpolyglycolethersulfatesINTERN3125NonylEmulphorNPS253325NonylDisponilAES723225NonylDisponilAES253510NonylDisponilAES60704DisponilAES48Active,%EO-DegreeAlkylChainProductName3425OctylEmulphorOPS25NonylAbbreviation/ChemistryAlkylphenolEtherSulfate,NaAlkylphenolEtherSulfate,NaAlkylphenolEtherSulfate,NaAlkylphenolEtherSulfate,NaAlkylphenolEtherSulfate,NonylPhenolEtherSulfate,NaOctylPhenolEtherSulfate,NaNH4Features/BenefitsImprovestabilizationoflatexo