拜耳水性聚氨酯和固化剂

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1、WatebornePolyurethaneResins&Hardeners∈ᗻ㘮⇼䝃ᷥ㛖੠೎࣪ࠖDr.LucyBai/ⱑ᰼㡇म຿BayerMaterialScienceᢰ㘇ᴤ᭭⾥ᡔSept26,2010,GuangzhouAgendaⳂᔩòWBPUBackground∈ᗻ㘮⇼䝃ⱘ㚠᱃òWBPUPerformance&Properties㘮⇼䝃ⱘᗻ㛑੠⡍⚍òCategoriesofWBPU∈ᗻ㘮⇼䝃ⱘߚ㉏òWBPUApplications∈ᗻ㘮⇼䝃ⱘᑨ⫼òComparsionofSBPUVsWBPU∈ᗻ㘮⇼䝃Ϣ⒊ࠖൟ㘮⇼䝃ⱘᗻ㛑ᇍ↨òSummary㒧䆎Deve

2、lopmentofPolyisocyanate㘮⇼䝃ⱘথሩAgendaⳂᔩòWBPUBackground∈ᗻ㘮⇼䝃ⱘ㚠᱃òWBPUPerformance&Properties㘮⇼䝃ⱘᗻ㛑੠⡍⚍òCategoriesofWBPU∈ᗻ㘮⇼䝃ⱘߚ㉏òWBPUApplications∈ᗻ㘮⇼䝃ⱘᑨ⫼òComparsionofSBPUVsWBPU∈ᗻ㘮⇼䝃Ϣ⒊ࠖൟ㘮⇼䝃ⱘᗻ㛑ᇍ↨òSummary㒧䆎WBPUPerformance&Properties∈ᗻ㘮⇼䝃ⱘᗻ㛑⡍⚍òGoodbalanceofhardnessandflexibility⹀ᑺϢᶨ䶻ᗻⱘᑇ㸵òExce

3、llentabrasionresistance㗤⺼ᗻӬᓖòExcellentchemicalandstainresistance㗤࣪ᄺક੠㗤∵ᗻӬᓖòGoodfilmbuildupandappearance⍖㝰Є⒵ᑺ催òExcellentweatherstability㗤׭ᗻӬᓖòCurableatlowtemperatureৃԢ⏽೎࣪AgendaⳂᔩòWBPUBackground∈ᗻ㘮⇼䝃ⱘ㚠᱃òWBPUPerformance&Properties㘮⇼䝃ⱘᗻ㛑੠⡍⚍òCategoriesofWBPU∈ᗻ㘮⇼䝃ⱘߚ㉏òWBPUApplications∈ᗻ㘮⇼

4、䝃ⱘᑨ⫼òComparsionofSBPUVsWBPU∈ᗻ㘮⇼䝃Ϣ⒊ࠖൟ㘮⇼䝃ⱘᗻ㛑ᇍ↨òSummary㒧䆎CategoriesofWBPU∈ᗻ㘮⇼䝃ⱘߚ㉏ò2KWBPUঠ㒘ߚ∈ᗻ㘮⇼䝃ò1KWBPUऩ㒘ߚ∈ᗻ㘮⇼䝃òUVcurableWBPUUV೎࣪∈ᗻ㘮⇼䝃PrincipleofWB2KPU∈ᗻঠ㒘ߚⱘॳ⧚Component1Component2OCNNCOn**OHOH+NCOOHfunctionalPACPolyisocyanateOn**OOHHNNOOPolyurethane-NetworkNHOOBayhydrolPACdispersionso

5、verview㒘ߚAѻક߫㸼AXP2965BayhydrolA2645SecondaryacrylicdispersionsA2470AXP2770A2653A2651A145A2620ChemicalResistanceA2469A2546*A2427*ThekeytowaterbornehighperformancecoatingsDryingspeed*PrimaryDispersionEmulsification-abilityofPolyisocyanatesinWater㒘ߚBⱘч࣪ᗻhydrophobic:highshearforceshydr

6、ophobicorpolyisocyanatelowviscous,hydrophilicpolyisocyanate-mixedbyhandmixingbyhandpossibleHydrophylicPolyisocyanates∈ᬍᗻ໮ᓖ∄䝌䝃Standardtype:easilydispersiblePETmodifiedHDI-polyisocyanateOOCNNNidealizedstructureONOHOOCNOCNNOOOONNOOORNOOONOOHOCNOCNNOOOONNOOOROONOhydrophilicOCNhydrophob

7、icß1stgeneration:Bayhydur3100(polyetherurethanemodifiedtrimer).ß2ndgeneration:Bayhydur305(polyetherallophanatemodifiedtrimer).Morehydrophylic,higherNCOfunctionality,hightransparency.NewHydrophylicPolyisocyanatesᮄ∈ᬍᗻPICNewgeneration:anionicallymodifiedHDI-trimersAnionically-vsPET-mo

8、difiedtrimersßSolventfree,