双组份水性聚氨酯.pdf

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1、Theperfectmatch–BASFrawmaterialsfortwocomponentpolyurethanecoatingsDr.RainerErhardt,BASFSETeamLeaderTechnicalMarketingAutomotive&IndustrialCoatings,ResinsandAdditivesEuropeNew2KPUBrochure2Content100%Coatingsbasedonbio-basedpolyols(application:pipelinecoating)Superhigh-solidflexiblec

2、oatingwithexcellentadhesiononPVC(application:trucktarpaulincoating)Water-bornecoatingsshowingfastdryingperformance,earlyblockresistanceandhighhardness3Whatdonaturaloilbasedpolyols(Sovermol®)offertopolyurethanecoatings/adhesivesmanufacturers?Bio-basedPolyols(polyfunctionalalcohols)ba

3、sedonrenewablerawmaterialslikerapseedoil,Castoroil,soybeenoiletc.treatedwithtechnologieslikeepoxidationfollowedbyring-opening,transesterification,ethoxylationorpropoxylationUniqueproperties:Improvedhydrophobicity;lowsensitivitytowardsmoistureLowviscosityHighchemicalstabilityBroad

4、adhesionspectrumVerylowshrinkageHighpigmentloadingwithgoodselflevellingproperties„EASYtoAPPLY“Solventfree–ZEROVOC4ConstructionkitapproachtocustomerneedsBasePolyolsIncreaseFlexibilityIncreaseHardness-Higherelongation-Highercrosslinkingdensity-Lowerhardness-Lowerflexibility-LowerTG-H

5、igherbendingstrengthgivethebaseproperties-HigherTGinyourformulation!ReactiveDiluentNon-reactiveDiluent-Reductionofviscosity-Reductionofviscosity-Nomigration/bleeding-Migration/bleedingpossible-Flexibilisation-FlexibilisationIncreaseChemicalStabilityGeltimeprolonger-Improvecrosslinking

6、density-Reactivegeltimeextension-Stabilityagainstchemicalsubstance-OHfunktionalpolyols5Solventfree2-packPURPipelineCoatingGuideFormulation805-1092/55(aromaticpolyisocyanatecured)Equipment:Dissolverorvacuumdissolver.RatioofØdissolverbladetoØcontainerapprox.6:10No.PartsProductSupplierMe

7、chanicalProperties1.31,0Sovermol®ABASF(30gmass@23°C)Geltime2.18,0Sovermol®BBASF=70min3.0,5Efka®FA4672BASF(39min@50°C)4.0,5Efka®SI2040BASFShoreDhardness45(3sec)5.4,0ZeolithPaste(50%)FinmaSorbafter1dayStartwithcomponents1to5andthanaddunderstirring7m/sNo.6and9.EndShoreDhardness88(3sec)/8

8、6(15s