拜耳水性分散体资料.ppt

OverviewofBayerWaterborneTechnology-PUD/2KH2O,水性聚氨酯体系WaterbornePUSystems,聚氨酯分散体PUD（Bayhydrol）多应用于单组分体系特殊情况下也应用于类双组分体系可与丙稀酸乳液拼用水性聚氨酯多羟基化合物（Bayhydrol）-OHFunctional羟基应用于双组分体系水溶性聚异氰酸酯（Bayhydur）含-NCO端基改性后可在水中分散应用于双组分体系,水性双组份聚氨酯涂料Bayhydur/Bayhydrol,聚氨酯分散体PUD,聚氨酯分散体PUD-PolyurethaneDispersion完全反应的聚氨酯聚合物分散在水相中；不含活性的-OH基和-NCO基；成膜机理不是由于-OH基和-NCO基的反应固化，而是由于水和助溶剂的挥发，聚合物微粒聚结成膜。,Coalescence聚合物微粒聚结成膜,DispersionConcentrationCoalescenceMaturation,聚氨酯分散体化学中重要的反应,反应速率：胺醇/水酸Reactionrates:aminealcohol/wateracid,ComponentsofaPUD成份,Isocyanates异氰酸脂Polyolsandglycols多醇Aminechainextenders氨基链增长剂Hydrophilicgroups亲水基团Neutralizers中和剂,DiisocyanatesCommonlyUsedinPUDsPUD中常用的异氰酸脂,HDI-HexamethyleneDiisocyanate,IPDI-IsophoroneDiisocyanate,DesmodurW-4,4-DicyclohexylmethaneDiisocyanate,O,C,N,N,C,O,O,C,N,N,C,O,N,C,O,O,C,N,PrepolymerMixingMethods预聚物混合法,2n,H,O,O,H,+,n,H,O,C,H,2,C,C,H,2,O,H,C,H,3,C,O,2,H,+,4n,O,C,N,R,N,C,O,O,C,N,R,N,H,C,O,O,R,N,H,C,O,N,H,C,O,C,H,2,C,C,H,2,O,C,N,H,R,O,C,N,H,O,O,C,H,3,C,O,2,H,O,O,O,C,N,H,R,N,C,O,O,O,C,N,R,N,H,C,O,O,O,C,N,H,R,N,C,O,O,R,N,H,C,O,N,H,C,O,C,H,2,C,C,H,2,O,C,N,H,R,O,C,N,H,O,O,C,H,3,C,O,2,O,O,H,N,R,3,N,R,3,HydrophilicIsocyanateTerminatedPrepolymer,O,C,N,H,R,N,H,C,O,C,H,2,C,C,H,2,O,C,N,H,R,N,H,C,N,H,R,N,H,C,N,H,R,N,H,C,O,C,H,3,C,O,2,O,O,O,O,O,O,H,N,R,3,AqueousDispersionofPolyurethane-Urea,预聚物混合法,Advantages优点Easiestprocesstoperform容易操作的程序Broadrangeofchemistriesaccessible可容广范围的化学反应Disadvantages缺点Highviscosityofprepolymerrequiresco-solvent高粘的预聚物需用溶剂Useofaromaticdi-isocyanates不可用芳香族的异氰酸脂Limitonneutralizingamines中和用的氨基试剂有限Reproducibility重复性差,AcetoneMethod丙酮法,AcetoneProcess丙酮工艺,Useacetoneasasolventforpolymerization利用丙酮为聚合反应溶剂来Buildupprepolymer生成预聚物Chainextend增链Addinneutralizingagent加入中和剂Disperseinwater分散于水中Distilloffacetone将丙酮蒸出Allowsfordevelopmentofproductswithcontrolledarchitecture允许开发预定分子结构的产品Productscanbemadewithnosolvent产品内无溶剂,StableDispersedProducts,ParticlesShouldRemainDiscrete粒子保持独立NoFlocculation不粘连NoSettlingorFloatingofParticles没有沉积或浮游的粒子Stabilizationcanbedonethrough稳定是通过IonicRepulsion离子相斥StericRepulsion空间位阻ViscosityIndependantofInternalPhase粘度与内相无关HighMolecularWeightPossible可达高分子量ControlofParticlesSizeandDistribution可控制颗粒度及其分布,DiscreteParticlesinAqueousMedia,稳定的分散体,InternalEmulsifier内乳化:EffectofIncreasingNeutralization增加中和剂的影响,MoreX,Atincreasedlevelofneutralizationtheparticleswellswithwater,Thisincreasestheeffectivevolumeoftheparticle中和剂越多,颗粒为水膨胀,有效体积增加,Stabilization稳定化,Ionic,Steric,离子型,位阻型,SyntheticVariables,SoftsegmentpolyolsPolyethers-flexibilityPolyesters-weatherability,hardnessPolycarbonates-hydrolyticstabilityHardsegmentpolyolsGlycolsDiolsAminechainextendersDispersingagentsInternalExternal,ChoiceofDiisocyanate异氰酸脂的选择,aliphaticsyieldlightandweatherstability脂肪族耐光,具耐候性Aromatictooreactive芳香族的反应性过高Hexamethylenediisocyanate(HDI)Elasticity弹性lowtemperatureflexibility低温下柔软性Isophoronediisocyanate(IPDI)Hardness硬度HighTg高TgHydrogenatedMDI(H12MDI)mechanicalproperties-toughness韧性water/solventresistance耐水,耐溶剂,PolyetherPolyols聚醚型共反应物,Advantages优点excellentstabilityagainsthydrolysis优秀的抗水解性goodmechanicalproperties良好的机椷性能lowTg低Tglowcost价廉Disadvantages缺点pooroxidativestability抗氧化性差highmonoolcontent单体含量高,PolyesterPolyols聚酯型共反应物,Advantages优点goodweatherstability耐候性好excellentmechanicalproperties(hardness,elasticity)机椷性能(硬度,弹性等)好excellentcompatibilitywithotherrawmaterials(additives,pigments,otherbinders)与其他原材料互容性好Disadvantages缺点stronginfluenceofpolyestermonomersonhydrolyticstability聚酯单体影响水解稳定性,PolycarbonatePolyols聚碳酸脂共反应物,Advantages优点excellentstabilityagainsthydrolysis优秀的抗水解性excellentstabilityagainstlightandheat优秀的耐热,耐光excellentweatheringresistance优秀的耐候性goodmechanicalproperties良好的机椷性能Disadvantages缺点highercost价高,AdvantagesofUrethanes/Ureas聚脲/聚氨脂的优点,Hydrogenbonding(氢键)ActsasacrosslinkWillreleaseunderstrainAllowsforthermoplasticflowtorelievestressandallowselfhealingofdefects.,TypicalFilmProperties常见的薄膜性能,SolventResistance耐溶剂性,Linearsolventswellafter24hourimmersion,HydrolyticStability%Retentionoftensileproperties,*filmsexposedat70Cand95%R.H.,聚氨酯分散体的技术特性TechnicalAspectsofPUDs,低溶剂含量环保高分子量下相对低的粘度单组分应用，室温或低温烘焙具有典型的聚氨酯性能可交联,聚氨酯分散体涂料的优异特征OutstandingFeaturesofPUDs,分散稳定性DispersionStability抗磨损性AbrasionResistance附着性SubstrateAdhesion抗溶剂/水性Solvent/WaterResistance弹性Elasticity水解稳定性HydrolyticStability光稳定性LightStability,聚氨酯分散体可再交联CrosslinkablePUDs,双组分异氰酸酯Aziridines单组分封闭型异氰酸酯三聚氰胺Melamines,交联的影响EffectsofCrosslinking,提高性质硬度Hardness抗溶剂/水性Solvent/WaterResistance抗磨损性Abrasionresistance模量Modulus可能降低的性质弹性Flexibility,拜耳的水性聚氨酯分散体产品AQUEOUSPOLYURETHANEDISPERSIONSFromBayer,商品名TradenamesBayhydrol用于工业涂料Baybond用于玻璃光纤DispercollU用于胶粘剂Impranil用于纺织品,ApplicationsofBayhydrolProductsBayhydrol产品的应用,WoodCoatings木器涂料AutomotiveCoatings汽车涂料ElectronicProducts电子产品涂料GlassCoatings玻璃涂料Flooring地板涂料Others其他,BayhydrolToolboxforWood-andParquetCoatings,Hardness,BHMR,AbrasionResistance,NMPbased,BayhydrolVPLS23425%NMP,Fattyacidmod.,Solids*:35%,NMPfree,BayhydrolXP25008%NMP,Fattyacidmod.Solids*:35%,BayhydrolVPLS24508%NMP,Hard-elasticSolids*:35%,BayhydrolXP2557Solv.free/IRL4670,Solid*:35%,pH*:8.0,BayhydrolXP2593Solv.free/IRL4690,Solid*:35%,pH*:8.0,BayhydrolXP2558Solv.free/IRL4680,Solid*:38%,pH*:8.0,*=approx.,Diisocyanates,Hydrophilicgroup(ionic/non-ionic),Diols:monomeric,e.g.hexanediolpolymeric,e.g.polyester,Polyesteracrylate/Epoxyacrylate/Polyetheracrylate/etc.,UVCurablePolyurethaneDispersions光固化水性聚氨酯分散体,-UVcuringpolyurethanedispersions,BayhydrolUV,紫外光固化水性聚氨脂分散体,high-gradepolyurethanechemistrywithallpossiblevariationsnomixtureswithPAC,PU-PACdispersionsreactivethinnersmolecularweightsemulsions:10,000g/moldispersions:200,000g/mol,UV-curingpolyurethanedispersion,BayhydrolUV,Characteristicpropertiesof.,UV-systemswithinwaterbornecoatingstechnologyUV-waterbornesystemsare:chemicalcrosslinking1C-systemstheyhavenopot-life,yieldhighlevelofchemicalandphysicalresistancehaveagoodrecyclabilityusenodangerouscrosslinkers,BayhydrolUV,WaterbornesystemswithinUVtechnologyUV-waterbornesystemsare:easytomattsuperiorinadhesionsimpleandeasyappliedbyspraying,ToolBoxforSoftFeelCoatings柔感涂料,SoftfeelCoating,ComponentIa:,HO,OH,OH,COO-,COO-,R3N+H,org.Cosolvent,Polyol-Dispersioninwater(Bayhydrol),NeutralizationAmine(i.e.DMEA),i.e.NMP,ComponentIb:,PUR-Dispersioninwater,non-functional(Bayhydrol),O,HN,HN,C,Additives/Pigments:,Pigments,ComponenteII:,Polyisocyanate(Desmodur,Bayhydur),WaxesDefoamerWettingAgentMattingAgentFillers,i.eAquacer535i.e.DefomerDNEi.e.Tego-WetKL245i.e.OK412,TalkumITextrai.e.PergopakM3i.e.Bayferrox318M,org.Cosolvent,OCN,NCO,NCO,i.e.MPA,NMP,R3N+H,Formulations,GuideFormulation柔感涂料配方,柔感涂料配方,Bayhydrol,Bayhydrol,Bayhydur/Desmodur,+,NichtfunktionelleflexiblePUR-Dispersion,OH-funktionelleflexiblePES-PUR-Dispersion,Polyisocyanat,+,SoftFeelCoatings柔感涂料,Hyundai:Getz,TucsonFord:Focus,MondeoOpel:Astra,VectraVW:Golf,Passat,MultivanAudi:A4,A6,TTDaimlerChrysler:A,C,E,S,MClass&MaybachBMW:1,3&5seriesPorsche:CayenneLG&MieleVacuumCleanerIBMLaptop&ComputerMouseHousingsforMobilePhones,HairDryer,PowerDrills&PanHandle,Instrumentpanel,airbaglid,centerconsole,doorhandle,doortrim,seatcover,buttons,housingsetc.for.,玻璃纤维浸润剂,玻璃纤维浸润剂,Products-Specifications,Products/Properties,PolyurethaneDispersions,Backup,Componentsfor2KWaterbornePUR,HydrophobicPolyisocyanatesAdvantagesHigher%NCOLesswatersensitivityDisadvantagesPooremulsionstabilityPoorcompatibilitypolyolresindependantHighersheardependenceRequiressolventfordispersibility,Componentsfor2KWaterbornePUR,HydrophilicallyModifiedPolyisocyanatesAdvantagesBetterCompatibilityEasyofMixingDisadvantagesLower%NCOCanhavehigherwatersensitivity,WaterborneSystemsEmulsifyingPolyisocyanates,ExternalEmulsifier,ionicornon-ionicsurfactantsmaymigrateoutofthecoatingleadingto:blistering,decreasedwaterresistanceandglossreduction,Notlinkedtothepolyisocyanate,Polyisocyanates,Hydrophobic,Hydrophilic,1,1,+,Polyether,Alternativesurfactants:SO3-,AminosulfonicacidmodifiedPolyisocyanates,Storagestability:nosidereactionswithNCOBenefitstopolyethermodifiedpolyisocyanates:-loweramountofhydrophilicmoieties-improvedweatherability-increasedhardness-improvedchemicalresistanceBenefitstohydrophobicpolyisocyanates:-improveddispersibility,Patented:WO01/88006,HydrophilicPolyisocyanatesforWaterborne2KPUR,BayhydurXP2487,PolyolsforWaterborne2K-PUR-Coatings,*:shallbewithdrawnmid2004,PolyolsforWaterborne2K-PUR-Coatings,ReactionsofImportanceinPUDC