拜耳水性分散体资料

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。水介质中的离散颗粒DiscreteParticlesinAqueousMedia基片上颗粒沉积DepositionofParticlesonSubstrate联结成连续的膜CoalescenceintoContinuousFilmCoalescence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:amine>alcohol/water>acidComponentsofaPUD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DiisocyanatesCommonlyUsedinPUDs

PUD中常用的异氰酸脂HDI-

Hexamethylene

DiisocyanateIPDI-

Isophorone

DiisocyanateDesmodurW-4,4’-DicyclohexylmethaneDiisocyanateOCNNCOOCNNCONCOOCNPrepolymerMixingMethods预聚物混合法2nHOOH+nHOCH2

C

CH2

OHCH3CO2H+4nOCNRNCOOCNRNHCO

ORNHCONHCO

CH2

C

CH2

OCNHROCNH

OOCH3CO2HOOOCNHRNCOOOCNRNHCOOOCNHRNCOORNHCONHCO

CH2

C

CH2

OCNHROCNHOOCH3CO2OOHNR3NR3HydrophilicIsocyanateTerminatedPrepolymer1.Water2.H2

N

R'

NH2OCNHRNH

C

O

CH2

C

CH2

OCNHRNHCNHR'NHCNHRNHCOCH3CO2OOOOOOHNR3AqueousDispersionofPolyurethane-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nHOOH

+2nOCNRNCOOCNRNHCOOOCNHORNCOOCHNORNHCONHR'NCHNRNHCOOOR'OCNHRNHCOOOSO3NaWaterAcetoneH2NR'NHR'SO3NaDispersionofPolyurethane-UreainWater/SolventAcetoneRemovalAqueousDispersionofPolyurethane-UreaAcetoneProcess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StableDispersedProductsParticlesShouldRemainDiscrete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X+Y-X+Y-X+Y-X+Y-X+Y-X+Y-X+Y-X+

Y-X+Y-X+Y-X+Y-X+Y-YYYYMoreXAtincreasedlevelofneutralizationtheparticleswellswithwaterThisincreasestheeffectivevolumeoftheparticle中和剂越多,颗粒为水膨胀,有效体积增加Stabilization稳定化-+---------+++++++++-+---------+++++++++IonicSteric离子型位阻型SyntheticVariablesSoftsegmentpolyolsPolyethers-flexibilityPolyesters-weatherability,hardnessPolycarbonates-hydrolyticstabilityHardsegmentpolyolsGlycolsDiolsAminechainextendersDispersingagentsInternalExternalChoiceofDiisocyanate

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Polycarbonate

Polyols

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)ActsasacrosslinkWillreleaseunderstrainAllowsforthermoplasticflowtorelievestressand

allowselfhealingofdefects.TypicalFilmProperties

常见的薄膜性能SolventResistance耐溶剂性Linearsolventswellafter24hourimmersionHydrolyticStability

%Retentionoftensileproperties*filmsexposedat70Cand95%R.H.聚氨酯分散体的技术特性

TechnicalAspectsofPUD’s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

OutstandingFeaturesofPUD’s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

Crosslinkable

PUD’s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ApplicationsofBayhydrol®ProductsBayhydrol®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-andParquetCoatingsHardnessBHMRAbrasionResistanceNMPbasedBayhydrolVPLS23425%NMP,Fattyacidmod.,Solids*:35%NMPfreeBayhydrolXP25008%NMP,Fattyacidmod.Solids*:35%BayhydrolVPLS24508%NMP,Hard-elasticSolids*:35%BayhydrolXP2557Solv.free/IRL4670,

Solid*:35%,pH*:8.0BayhydrolXP2593Solv.free/IRL4690,

Solid*:35%,pH*:8.0BayhydrolXP2558Solv.free/IRL4680,

Solid*:38%,pH*:8.0*=approx.DiisocyanatesHydrophilicgroup(ionic/non-ionic)

Diols:monomeric,e.g.hexanediolpolymeric,e.g.polyesterPolyesteracrylate/Epoxyacrylate/Polyetheracrylate/etc.…UVCurablePolyurethaneDispersions光固化水性聚氨酯分散体

-UVcuringpolyurethanedispersionsVPLS2282•

baseresinVPLS2280•

pigmentation•hardnessbeforeUVVPLS2317

•recycling/re-emulsification•wetfilmtransparenceVPLS2348•

recycling/re-emulsification•

Wetting,adhesion•flexible,exteriorXP2420(HStype)BayhydrolUV紫外光固化水性聚氨脂分散体high-gradepolyurethanechemistry withallpossiblevariationsnomixtureswithPAC,PU-PACdispersionsreactivethinnersmolecularweightsemulsions:>10,000g/moldispersions:>200,000g/molUV-curingpolyurethanedispersionBayhydrolUVCharacteristicpropertiesof...

UV-systems

withinwaterbornecoatingstechnologyUV-waterbornesystemsare: chemicalcrosslinking1C-systems theyhavenopot-life, yieldhighlevelofchemicaland

physicalresistance haveagoodrecyclability usenodangerouscrosslinkersBayhydrolUV Waterbornesystems

withinUVtechnology

UV-waterbornesystemsare: easytomatt superiorinadhesion simpleandeasyappliedbysprayingToolBoxforSoftFeelCoatings

柔感涂料

OH-functionalBayhydrol VPLS2428PT241PT355/PT475IncreasingstabilityagainsthydrolysisIncreasingNCOcontentIncreasingfilmstabilityBayhydur/DesmodurVPLS23063100VPLS2319XP2487/1XP2410NonfunctionalBayhydrolVPLS2305PR650PR240LPRSC1187PR340IncreasingtouchRatioOH/nonfunctional 80:2060:40 50:50 40:6020:80Decreasingchemicalstability-IncreasingtouchSoftfeelCoatingComponentIa:HOOHOHCOO-COO-R3N+Horg.CosolventPolyol-Dispersioninwater(Bayhydrol®)NeutralizationAmine(i.e.DMEA)i.e.NMPComponentIb:PUR-Dispersioninwater,non-functional(Bayhydrol®)OHNHNCAdditives/Pigments:PigmentsComponenteII:Polyisocyanate(Desmodur®,Bayhydur®)WaxesDefoamerWettingAgentMattingAgentFillersi.eAquacer535i.e.DefomerDNEi.e.Tego-WetKL245i.e.OK412,TalkumITextrai.e.PergopakM3i.e.Bayferrox318Morg.CosolventOCNNCONCOi.e.MPA,NMPR3N+HFormulationsGuideFormulation柔感涂料配方

柔感涂料配方Bayhydrol®Bayhydrol®Bayhydur®/Desmodur®+PURPURPURPURPURPURPURPUROHHOHHOHHOHHOHOHOHOHOHOHOHOHHOHHOHHOHHNCONCONCONCONCONCONCONichtfunktionelleflexiblePUR-DispersionOH-funktionelleflexiblePES-PUR-DispersionPolyisocyanat+Soffeel-Lack=Polyurethan=Polyurethan=PolyharnstoffSoftFeelCoatings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&PanHandleInstrumentpanel,airbaglid,centerconsole,doorhandle,doortrim,seatcover,buttons,housingsetc.for...玻璃纤维浸润剂玻璃纤维浸润剂Products--SpecificationsProducts/PropertiesPolyurethaneDispersionsBackupComponentsfor2KWaterbornePURHydrophobicPolyisocyanatesAdvantagesHigher%NCOLesswatersensitivityDisadvantagesPooremulsionstabilityPoorcompatibility[polyolresindependant]HighersheardependenceRequiressolventfordispersibilityComponentsfor2KWaterbornePURHydrophilicallyModifiedPolyisocyanatesAdvantagesBetterCompatibilityEasyofMixingDisadvantagesLower%NCOCanhavehigherwatersensitivityHydrophilicTrimerWaterborneSystems–EmulsifyingPolyisocyanatesExternalEmulsifier–ionicornon-ionic

surfactantsmaymigrate

outofthecoating

leading

to:

–blistering,

–decreasedwaterresistance

and

–glossreductionNotlinkedtothepolyisocyanateInternalEmulsifier–ionicornon-ionic

internalemulsifieris

permanentlyincorporated

intothepaintfilm,which

willavoidtheabove-

mentioneddisadvantages

LinkedtothepolyisocyanatePolyisocyanatesNNNRRROOONCONCOOCNTrimer+Pentamer+...HydrophobicHydrophilic11+Polyether

R'OONHO[]nOCNOCNAlternativesurfactants:SO3-

AminosulfonicacidmodifiedPolyisocyanates3-(Cyclohexylamino)-1-propan-

sulfonsäure(CAPS)idealizedstructure

Storagestability:nosidereactionswithNCO

Benefitstopolyethermodifiedpolyisocyanates:

-loweramountofhydrophilicmoieties

-improvedweatherability

-increasedhardness

-improvedchemicalresistance

Benefitstohydrophobicpolyisocyanates:

-improveddispersibilityPatented:WO01/88006HydrophilicPolyisocyanatesforWaterborne2KPUR05.03.2024IPDIdecreasingshearenergyforgoodemulsificationinapolyoldispersionDesmodurVPLS2138BayhydurVPLS2150BADesmodurN3400,DesmodurXP2410DesmodurN3600BayhydurVPLS2336Bayhydur3100BayhydurVPLS2319

hydrophobichydrophilicIncreasinghardnessandphysicaldryingHDI

Polyisocyanates:Product