硅烷在涂料中的应用 silanes for coatings

SilanesforCoatings

硅烷在涂料中的应用

Shiu-ChinCindySu蘇黃秀琴MomentivePerformanceMaterialsShiu-Chin.Su@914-784-4905CompanyHistory公司的历史1993Divestiture1995Acquisition1999Merger/Crompton&Knowles2000NameChange2003AcquisitionLate1950’s2006DivestitureFunctionofSilanesinCoatings

硅烷在涂料中的特殊功能AdhesionPromotion增强附着力Especiallybetweenorganicpolymersandinorganicoxidesubstrates特别是在有机聚合物与无机氧化物之间Someexamplesexistforadhesiontononfunctionalorganicsubstrates在难附着的有机底材上增强附着力Crosslinking交联剂Convertreactivepolymers(isocyanate,polyol,polyamine)tomoisturecurechemistry可反应性聚合物＝》具有潮气固化反应的特点VOCReduction减少VOCDispersion帮助分散Compatibilizehigh-energyparticulateswithorganicmatrices帮助高能量粒子在有机物中的分散；SilanesareDual-FunctionalMolecules

硅烷是双功能的分子Organicportionbondsorinteractswithapolymerororganicsurface.

有机基团－可以与聚合物或有机表面形成化学键；Silaneportionbondsorinteractswithmetal,glassorinorganicsurface(adhesion).

硅烷基团－可以与金属，玻璃等无机表面形成化学键；Canreactwithothersilane-modifiedpolymers(crosslinking).

可与其它硅烷改性的聚合物反应（交联）HydrolysisandCondensation

水解和缩合反应1.HydrolysisReaction水解反应OHH2N(CH2)3Si(OCH3)3

H2N(CH2)3SiOH+3CH3OH

(SilquestA-1110silane)

OH2.

Condensation缩合反应

OH

OHH2N(CH2)3SiOH+HOSi

H2N(CH2)3Si

OSiOH

OHH2O-H2OSurfacesilanolFunctionalizedsurfaceHydrolysisandCondensationofOrganofunctionalSilanes

pH值对硅烷水解和缩合反应的影响logk

pH水解(kobs,s-1)缩合(kobs,M-1s-1)E.R.Pohlet.al.FunctionofSilanesinCoatings

硅烷在涂料中的特殊功能AdhesionPromotion

增强附着力Especiallybetweenorganicpolymersandinorganicoxidesubstrates特别是在有机聚合物与无机氧化物之间Someexamplesexistforadhesiontononfunctionalorganicsubstrates在难附着的有机底材上增强附着力Crosslinking交联剂Convertreactivepolymers(isocyanate,polyol,polyamine)tomoisturecurechemistry可反应性聚合物＝》具有潮气固化反应的特点VOCReduction减少VOCDispersion帮助分散Compatibilizehigh-energyparticulateswithorganicmatrices帮助高能量粒子在有机物中的分散；HowDoesSilaneEnhanceAdhesion

硅烷增加附着力的化学原理Metal=

SubstrateMatchFGwithResinsystem有机基团与树脂的反应性相匹配FG=有机基团RelativeSilaneEffectiveness有机硅烷对

无机材料

的反应性Silica,Quartz,Glass石英，玻璃Aluminum,Alumina

铝材，氧化铝Copper

铜Wollastonite硅酸盐Aluminosilicates(clays)硅酸铝Mica云母Talc滑石粉Iron,steel铁，钢Asbestos石棉Nickel镍Zinc锌Lead铅Calciumcarbonate(chalk)碳酸钙Calciumsulfate(gypsum)硫酸钙Bariumsulfate(baryte)硫酸钡Carbonblack(untreated)碳黑Graphite石墨Excellent优异Good好Some一般None无作用HowdoyouuseaSilane?如何使用硅烷Twoways两种方法：Primer作为底涂IntegralBlend添加在涂料中Primer:Pretreatsubstratewithsilane.Veryefficientuseofsilaneforadhesionpromotion,notefficientresincrosslinking(minimalstabilityproblem),twostepprocess.底涂:硅烷对基材预处理，对附着力促进非常有效，不影响树脂的贮存稳定性，两步法－底涂＋涂料。Integralblend:Mixsilaneintocoatingformulation.Muchbetterforcrosslinking,alsogoodforadhesionpromotion.Possiblesilanehydrolysisandcondensationonstorage.Mostcustomerswilldoitthisway.将硅烷添加到涂料配方中，增加树脂体系的交联密度，同时促进附着力。在储存时，硅烷可能会发生水解和缩合反应，影响储存稳定性。TypicalPrimerFormulation

硅烷底涂的参考配方Primersuitableforanepoxyorurethanesystem适用于环氧或聚氨酯涂料：组份 重量份Silquest®A-1100或A-1120硅烷 5SDA-30醇(91.11%乙醇+8.89%甲醇) 40蒸馏水Distilledwater 5甲苯toluene 40n-丁醇n-Butanol 5丁基纤维素ButylCellosolve 5ApplicationofPrimer

底涂的应用Dissolve0.5-5.0weightpercentsilaneinacompatible,volatilesolvent(ormixture)溶解0.5-5.0％硅烷于挥发溶剂中Alcoholsaremostcommonlyused,forwatercompatibility.对不溶于水的硅烷，通常使用乙醇，以保持与水的相溶性Equalpartswater(basedonsilane)maybeaddedtoprehydrolyzesilaneifwateriscompatiblewiththesolvent.

加入与硅烷相同量的水来预水解Ifprimeristobeusedimmediately,thesolutionmaybeacidified.如果底涂马上使用，溶液可以是酸性的Applytoclean,grease-freesurface.涂布于清洁无油的表面Wiping,spraying,brushing,dipping，擦涂，喷涂，刷涂，浸涂Filmthickness<0.1mil，膜厚<2.5umSolventremovalbydryingat50-60°Cfor10min.在50-60°C烘干10分钟Protectsurfacefromcontaminationandcoatwithin24hr. 保持表面无污染并在24小时内涂布后续涂层Integral

BlendMethods添加的方法0.5-2%silaneaddedtopolymermatrixpriortoapplication

在使用前，将0.5-2%的硅烷添加到聚合物的配方中Silanemaybe“soakedinto”somepolymers

硅烷可以浸入到一些聚合物中Potlifedependson，Potlife取决于moisturecontentofmatrixpolymer聚合物中潮气含量reactivityofsilanetomatrixpolymer硅烷与聚合物的反应性Silanemaybeaddedatcompoundingstage,e.g.liquidsilanepumpedintoextrudermixingzone

硅烷可以在混合步骤中加入，例如液体硅烷泵入挤出混合阶段VariousSilanesinaReactiveAdhesive

有机硅烷提高附着力AdhesiontoAluminum(degreasedandetched)

附着于铝底材(去油脂和经清洗）

Isocyanate-terminatedpolyurethane(UniroyalAdipreneL-100)

异氰酸酯封端的聚氨酯(UniroyalAdipreneL-100)

2%SilaneaddedbyIntegralAddition

2%的有机硅烷添加量T-PeelStrength,pliFunctionofSilanesinCoatings

硅烷在涂料中的特殊功能AdhesionPromotion增强附着力Especiallybetweenorganicpolymersandinorganicoxidesubstrates特别是在有机聚合物与无机氧化物之间Someexamplesexistforadhesiontononfunctionalorganicsubstrates在难附着的有机底材上增强附着力Crosslinking

交联剂Convertreactivepolymers(isocyanate,polyol,polyamine)tomoisturecurechemistry 可反应性聚合物＝》具有潮气固化反应的特点VOCReduction减少VOCDispersion帮助分散Compatibilizehigh-energyparticulateswithorganicmatrices帮助高能量粒子在有机物中的分散UseofSilanestoCross-linkCoatings

硅烷作为涂料的交联剂TwoSystems:SolventBorne

andWaterBorne

两种系统:溶剂型和水性Twomainways:两种主要路经:Co-polymerize 共聚合 Useafunctionalsilaneasamonomerinpolymerformation选用具有反应活性的硅烷作为单体形成聚合物Post-Addition/Blend

后添加/混合Afterthepolymerisformed,reactafunctionalsilanewithit.形成聚合物后，再与反应活性的硅烷反应，Co-polymerize共聚合

Silane-ContainingAcrylicsasClearTopcoat

SolventBorne

溶剂型含硅烷的丙烯酸面漆US4,499,150PPGIndustries,Inc.R.Dowbenkoet.al.Feb.12,1985“Silaneadditioninterpolymer”usedforcleartopcoatwaspreparedwiththesemonomers

percentbyweight Methylmethacrylate 40% Butylacrylate 20% Styrene 25% A-174 15%PostAddition

Convertreactivepolymers(isocyanate,polyol,polyamine,etc.)tomoisturecurechemistry可反应性聚合物＝》具有潮气固化反应的特点SiROORORXrxnwithpolymerCrosslinkAdhesionSiHOOOHHOOHSiROORORSiHOOHSiOHOHOSiHOOHOHhydrolysis与聚合物反应水解交联附着力UseofSilanestoCross-linkCoatings

硅烷作为涂料的交联剂TwoSystems:SolventBorneand

WaterBorne

两种系统:

溶剂型和水性Twomainways:两种主要路经:Co-polymerize

共聚合

Useafunctionalsilaneasamonomerinpolymerformation选用具有反应活性的硅烷作为单体形成聚合物Post-Addition/Blend

后添加/混合Afterthepolymerisformed,reactafunctionalsilanewithit.形成聚合物后，再与反应活性的硅烷反应MethylmethacrylateMMAButylAcrylateBAMethacrylicAcidMAAEmulsionPolymerization

乳液聚合TypicalmonomersSilaneMonomersforEmulsionPolymerization

异丙氧基硅烷用于乳液聚合Methacrylorvinylfunctional甲基丙烯酰氧基或乙烯基Isopropoxysubstituentprovidesresistancetohydrolysisunderpolymerizationconditions(typically65-80oC,lowpH)

在乳液聚合条件下(通常

65-80oC,低pH)，异丙氧基的水解度低。Isopropoxygroupsatsiliconallowseasysynthesisof“highsilane”polymers可合成高硅烷含量的聚合物SiORROOROOSiORROORCoatOSil

1757CoatOSil

1706CompositionofSilylatedAcrylicLatexes硅烷化丙烯酸乳液的化学组成Monomer单体MolePercent摩尔百分比Silane0.01.02.03.0BA27.327.126.826.6MMA70.870.069.368.6MAA1.91.91.91.9BA/MMAratioconstant:

CalculatedTg(unsilylatedlatex):44°CAcidNumberoflatex:~10AcidnumberconstantforalltestlatexesConstant43%solids固定BA/MMA比值:

Tg(非硅烷化乳液):44°C乳液的酸值:~10所有乳液的酸值不变43%固含量CharacterizationofSilylatedLatexes

BA/MMA/MA/Silanecopolymers

硅烷化丙烯酸乳胶的物理特征

Physicalpropertiesofsilylatedandunsilylatedlatexesaresimilar硅烷化乳液和非硅烷化乳液的物理性能相似

LatexcompositionMole%solidsparticlesize±rangeviscosity%

mm90%,mmcPControl(nosilane)450.1000.032251%CoatOSil1706460.0880.035602%CoatOSil1706430.0890.036533%CoatOSil1706440.0880.035356%CoatOSil1706440.0900.037681%CoatOSil1757460.0880.035492%CoatOSil1757460.0890.035433%CoatOSil1757450.0900.037406%CoatOSil1757460.0950.040490.5%A-174450.1070.04733LatexComposition*MEKD.RubsGelcont.%SwellRatio(MEK)Control80dissolved1%CoatOSil

170690632.552%CoatOSil

1706150742.13%CoatOSil

1706230791.856%CoatOSil

1706>400--1%CoatOSil1757100861.752%CoatOSil1757180881.63%CoatOSil1757320891.556%CoatOSil1757>4001001.50.5%A-17440881.6Crosslinkingandperformanceincreaseswithincreasingsilaneincorporation

交联密度和性能随硅烷用量的增加而增加PerformanceSummaryofSilylatedLatexes

硅烷化乳液的性能*Mole%silaneCured20min.@120°CMeasurementofSilaneHydrolysis

ofSilylatedLatexes

硅烷化乳液中硅烷水解的测定Noteasytodoquantitatively,reproducibly

难以定量，重复性差Techniquemustnotallowfurtherhydrolysis

测定时，要控制硅烷不再继续水解Solution解决方案:Low-temperaturetrap-to-trapseparationofvolatiles

(低温冷阱法分离挥发组分）GCanalysisforalcoholofhydrolysis

(GC分析水解产物－醇）Solid-state29SiNMRanalysisofnon-volatilepolymer

(固态29SiNMR分析不挥发的聚合物）SeparationofVolatilesfromSolidsinSilylatedLatexes从硅烷化乳液中分离挥发组分Donecold–topreventsilanehydrolysis/condensation保持低温–阻止硅烷水解/缩聚Trap-to-trapdistillationtechniqueused低温冷阱蒸馏技术:FreezesampleinliquidN2用液氮冷却样品AttachtosystemcontainingU-tube,trap用U型管连接真空冷阱和样品Evacuatesystem,freezetrapwithliq.N2真空体系，用液氮冷却Sealsystem密闭体系Warmsample,allowvolatilestocondenseincoldtrap加热样品，用冷阱收集挥发组分Recoversolidsandliquidsforanalysis得到固体和液体用于分析AnalyzeSolidsby29SiNMR,LiquidsbyGCforalcoholofhydrolysis固态物质用29SiNMR分析，液态物质（水解产物）用GC分析Trap-to-trapdistillationseparatesvolatilesfrompolymer用低温冷阱法把聚合物与挥发组分分离ApparatusforTrap-to-TrapDistillation

低温冷阱蒸馏装置HydrolysisofAlkoxyGroupsDuringEmulsionPolymerization乳液聚合过程中烷氧基基团的水解CoatOSil1706showsgreaterextentofhydrolysisthanCoatOSil1757CoatOSil1706的水解度高于CoatOSil1757SeedformationMonomerfeed/polymerizationComparisonofSilaneHydrolysisDuringEmulsionPolymerization

乳液聚合过程中硅烷水解度的对比Methoxy-substitutedsilanemonomershydrolyzetoamuchgreaterextentduringemulsionpolymerization甲氧基硅烷单体在乳液聚合过程的水解度较大Methacryl甲基丙烯酰氧基Vinyl乙烯基AlkoxyGroups烷氧基团IsopropoxyMethoxy异丙氧基甲氧基28686792EffectofBufferonSilylatedLatexfrom

CoatOSil1757

缓冲液对含CoatOSil1757乳液性能的影响NewProductIntroduction

新产品介绍

VinylSilaneComposition

CoatOSil*VX-193

乙烯基硅烷组分－CoatOSilVX-193Silquest*A-151CoatOSil19311.7%25%122°C0.982FeaturesofSilanesMonomersandCoatOSil*VX-193

硅烷单体和CoatOSilVX－193的描述15.1%82%160°C0.910Vinylcont.bywt.乙烯基含量VOCequivalentVOC当量Boilingpoint沸点Specificgravity比重Silquest*RC-19.1%49%160°C0.954Colorless28°C100%Colorless44°C100%Appearance外观Flashpoint闪点Activematerial活性物质Colorless44°C100%SilylatedVeoVAmodellatexes硅烷基叔碳酸乙烯酯乳液InitialChargeReactor初始投料

Charge%weightDemineralizedwater去离子水35718.6Sulframin1207 3.00.16Sodiumbicarbonate碳酸钠20.10PotassiumPersulphate过硫酸钾1 0.05CellosizeQP300 5 0.25 Monomerpre-emulsion单体预乳化Water水 38920.3 Sodiumbicarbonate碳酸钠20.10Sulframin1207 3.00.16Disponil3065 311.6VeoVa10

叔碳酸乙烯酯20010.42-EHA

丙烯酸异辛酯25013.0Vinylacetate

醋酸乙烯酯55028.7Silanes

硅烷 5 0.26(0.5%/monomers)Initiatorsolution引发剂溶液Demineralizedwater去离子水1206.3Potassiumpersulphate过硫酸钾2.30.1 Total总重1920100Pre-EmulsionTechnique预乳化的技术Theinitialreactorchargeisheatedupto60°Cundernitrogenblanketing.Thennitrogenblanketisstoppedand2.5%ofthetotalmonomerpre-emulsionisadded.Heatingiscontinueduntil80°C,afterwhichtheremainingmonomerpre-emulsionandtheinitiatorsolutionaregraduallyaddedintothereactorduring3hoursand3hoursand15minutesrespectively.Thereactoriskeptat80°Cfor2morehoursbeforecoolingandfiltration.Inallcasesnocoagulumwasdetected.ByCourtesyofHexionLatexFormulation乳液配方 CopolymerVeoVA/VA/2EHA/Silane-colloidstabilized使胶体稳定Coagulum凝聚物 DryPolymerremaininginthereactoraftersynthesis(0/00)反应结束后，反应釜中残余的聚合物含量Gritcontent 粒子含量 DryPolymerfilteredoutfromlatexon80microns(0/00)乳液经过滤(80um)后的聚合物含量ImpactofCoatOSil*VX-193onCoagulumandGritduringpolymerization

在乳液聚合中CoatOSilVX－193对凝聚物和粒子的影响Conclusion;结论CoatOSilVX－193haslimitedimpactoncoagulumandtendstogivelessprematurecrosslinkinginthepolymer.

CoatOSilVX－193对凝聚物形成的影响有限;聚合过程中可避免过早交联。LatexFormulationCopolymerVeoVA/VA/2EHA/Silane-colloidstabilizedLatexdeposit DepositonTeflon–7daysRT涂在Teflon上－室温放置7天Testmethods

GelContent;ExtractionSoxhlet–8hMEK-%remainingpolymer凝胶含量；MEK萃取8h－残余聚合物的％

ImpactofCoatOSil*VX-193onGelContentofVeoVabasedlatexes

CoatOSilVX－193对叔碳酸乙烯酯乳液中凝胶含量的影响Conclusion;结论CoatOSil*VX-193

improvestheGelContentofVeOVA/VA/2-HEAlatexpolymers.Enhancedchemicalresistancesareforeseeable.CoatOSil*VX-193提高VeOVA/VA/2-HEA乳液中凝胶含量。提高耐化学品稳定性是可以预见的MattPaint(80%PVC)–Preparation

亚光涂料(80％PVC)－制备TiO2andCaCO3Dispersion钛白粉和碳酸钙的分散Paste浆料MattPaint(80%PVC)DISPERSIONPASTE 81.8% 分散体VeoVA/SilaneLatex

9.5%

Demineralisedwater 5.7% 去离子水Natrosol250HHBR2%aq. 1.7% Byk037 0.10% ButylGlycol 1.2%乙二醇丁醚

VeoVA/Silanelatex,VeoVA/硅烷乳液：VeoVAbaselatex

NosilaneVeoVA/Silane*RC-1 0.5and1%/monomerVeoVA/CoatOSil*193orSilquest*A-1510.5%/monomerByCourtesyofHexionLatexFormulation乳液配方 CopolymerVeoVA/VA/2EHA/Silane-colloidstabilizedPaintFormulation涂料配方 80%PVC-withCoalescentApplicationconditions应用条件 120micronsdrydepositonLenettablackcard–28daysRTTestmethod 测试方法WetScrubtest–DIN53778andISO11998ImpactofCoatOSil*VX-193onWetScrubofVeoVabasedpaints

CoatOSilVX－193对VeoVa乳液涂料耐湿擦洗性的影响Conclusion;结论CoatOSilVX-193ImprovesWetScrubresistancesCoatOSilVX-193提高耐湿擦洗性ImpactofCoatOSil*VX-193onWetScrubofVeoVabasedlatexes

CoatOSilVX－193对VeoVa乳液涂料耐湿擦洗性的影响LatexFormulation乳液配方 CopolymerVeoVA/VA/2EHA/Silane-colloidstabilizedPaintFormulation涂料配方80%PVC-withCoalescentCoatingsconditions涂料条件DepositonLenettablackcard-Curingconditions;50°C-1daysTestmethod 测试方法WetScrubtest–DIN53778andISO11998Conclusion;结论CoatOSilVX-193ImprovesWetScrubresistancesCoatOSilVX-193提高耐湿擦洗性LatexFormulation乳液配方 CopolymerVeoVA/VA/2EHA/Silane-colloidstabilizedAgeingconditionsLatexes乳液熟化条件 1weekatRT->70daysatRT->70daysat50°CApplicationconditions应用条件 120micronsdrydepositonLenettablackcard–28daysRTTestmethod 测试方法WetScrubtest–DIN53778ImpactofageingofCoatOSil*193onWetScrubofVeoVabasedpaints

CoatOSilVX－193对VeoVa乳液涂料耐湿擦洗性的影响Conclusion;结论CoatOSilVX-193ImprovesWetScrubresistances.AgeingofthelatexinnormaloracceleratedconditionshavelessimpactonCoatOSilVX-193CoatOSilVX-193提高耐湿擦洗性。CoatOSilVX-193在正常或加速条件下熟化，对耐擦洗性的影响变化不大。FEATURES特色BENEFITS优点Waterstablesilanecompositionusefullforemulsionpolymerization水稳定型硅烷用于乳液聚合中GoodhydrolyticStability水解稳定性Lowersolventcontent低溶剂含量Organic&inorganicfunctionality

同时具有有机和无机的功能LowVOCgenerationuponcure

在固化时，产生低VOCBettercontrolofpolymerization

较好地控制聚合反应VerygoodWetScrubresistance

提高耐擦洗性Enhancedhydrophobicity

增强憎水性Higherpolymerstabilityuponageing在乳液熟化期，聚合物具有高稳定性；Roomtemperatureself-crosslinking

室温自交联FeaturesandBenefitsofCoatOSil*VX-193

CoatOSilVX－193的特色和优点UseofSilanestoCross-linkCoatings

硅烷作为涂料的交联剂TwoSystems:SolventBorneand

WaterBorne

两种系统:溶剂型和水性Twomainways:两种主要路经:Co-polymerize

共聚合 Useafunctionalsilaneasamonomerinpolymerformation选用具有反应活性的硅烷作为单体形成聚合物Post-Addition/Blend

后添加/混合Afterthepolymerisformed,reactafunctionalsilanewithit.

形成聚合物后，再与反应活性的硅烷反应FunctionalizingAnionicResinwithEpoxySilanes

阴离子树脂与环氧硅烷的反应Anionicresin阴离子树脂OOC-NR3HCrosslinked交联SiSiOOOOSiOOYYYYSiOOAdhesion附着力Coupling偶联Particle填料Substrate基材SiOHYHOOHGrafting接枝Hydrolysis水解RSi(OEt)3OSilquest*

环氧硅烷

*SilquestisatrademarkofMomentivePerformanceMaterialsInc.EpoxysilanesforIntegralblendmodificationofWBsystems应用于水性涂料的环氧硅烷1K2KSilquest®A-1871CoatOSil*2287Silquest®A-187CoatOSil*1770WoodCoatingFormulation木器漆配方Componentcharacteristics组成Joncryl537:Acrylicemulsion丙烯酸乳液 (JohnsonPolymer) Solid:46.5%固含:46.5% AcidNumber:51酸值:51 Tg:50°cJonwax35:Polyethylenewaxemulsion聚乙烯腊乳液 (JohnsonPolymer)

PE-PUD :Polyetherpolyurethane聚醚型聚氨酯 (Laboratoryproduct) Solid:24%固含:24% NMP:4% AcidNumber:30酸值:30CoatOSil*2287:gamma-glycidoxypropylmethyldiethoxysilane(MomentivePerformanceMaterials)CoatOSil1211:Non-foamingwettingagent无泡润湿剂(MomentivePerformanceMaterials)DowanolDPnB

二丙二醇丁醚(Dow)：Coalescent–glycidoxypropylmethyl-diethoxysilaneCoatOSil*22873-缩水甘油醚基丙基甲基二乙氧基硅烷WoodCoatingFormulation木器漆配方Formulationcharacteristics:pHViscosity黏度Solid固含Binderratio(Acrylic/PUD)%epoxysilanes环氧硅烷/mgKOH/gJoncryl537PE-PUDCoatOSil*2287Jonwax35WaterCoatosil1211DowanolDPnB参考58.214.503.6180.25.5____100X-linked228758.214.51.2Inductiontime(活化时间)of3days3.616.80.25.5____1007.8630sDIN432%88/2208.2640sDIN433%88/220.08WoodCoatingApplicationViscosity黏度 20sDIN4Application施工工艺 Spray喷涂Drydeposit涂布量 130-170g/m²(total) Twolayers两道Panel板材 Oakveneeredboard橡木板 SandingbetweeneachlayerDryingtime干燥时间 40°C–1hour 28daysatroomtemperature

40°C1小时＋室温放置28天012345Ammonia氨水(10%)-2minBlacktea红茶-24hActone丙酮-2minEthyl-Butylacetate乙酸乙酯/丁酯-2minEthylalcohol乙醇(48%)–60min012345Aceticacid乙酸(44%)-60minAmmonia氨水(10%)-2minBlacktea红茶-24hAcetone丙酮-2minEthyl-Butylacetate乙酸乙酯/乙酸丁酯-2minEthylalcohol乙醇(48%)–60minISO4211-19790:severeeffect;5:noeffect0:严重影响;5:无影响Standard参考配方X-Linked测试配方0.08%epoxysilanes/mgKOH/g+1.2%CoatOSil*2287ImpactofCoatOSil*2287on

Staining&ChemicalResistance–ISO4211(1979)CoatOSil*2287对耐污&耐化学性的影响Aceticacid乙酸(44%)-60min012345Aceticacid乙酸-60minAmmonia氨水(10%)-2minBlacktea红茶-16hAcetone丙酮-10sEthyl-ButylAcetate乙酸乙酯/丁酯-10sEthylalcohol乙醇(48%)-60min012345Aceticacid乙酸-60minAmmonia氨水(10%)-2minBlacktea红茶-16hAcetone丙酮-10sEthyl-ButylAcetate乙酸乙酯/丁酯-10sEthylalcohol乙醇(48%)-60minDIN68861-1B0:severeeffect;5:noeffect

0:严重影响;5:无影响Standard参考配方X-Linked测试配方+1.2%CoatOSil*22870.08%环氧硅烷/mgKOH/gImpactofCoatOSil*2287on

Staining&ChemicalResistance–DIN688611B

CoatOSil*2287对耐污&耐化学性的影响012345Aceticacid乙酸-16hAmmonia氨水(10%)-16hBlacktea红茶-16hAcetone丙酮-16hEthyl-ButylAcetate乙酸乙酯/丁酯-16hEthylalcohol乙醇(48%)-16hStandard参考配方012345Aceticacid乙酸-16hAmmonia氨水(10%)-16hBlacktea红茶-16hAcetone丙酮-16hEthyl-ButylAcetate乙酸乙酯/丁酯-16hEthylalhohol乙醇(48%)-16hX-Linked测试配方0.08%环氧硅烷/mgKOH/g+1.2%CoatOSil*2287ImpactofCoatOSil*2287on

Staining&ChemicalResistance–DIN688611A

CoatOSil*2287对耐污&耐化学性的影响DIN68861-1A0:severeeffect;5:noeffect

0:严重影响;5:无影响ISO4211-1979DIN68861–1B+CoatOSil2287+CoatOSil2287ImpactofCoatOSil*2287onStaining&ChemicalResistance

CoatOSil*2287对耐污&耐化学性的影响FEATURES特点BENEFITS优点WatersolublesilaneadditiveforOnePackWBsystems;Acrylics,PUDs,WBEpoxies&Alkyds水溶性硅烷添加剂，可用于单组分水性涂料(丙烯酸,聚氨酯，环氧&醇酸树脂)Highersilanelevelsforhighperformance.高硅烷用量＝>高性能Superiorstainingresistance优异的耐污性Superiorchemicalresistance.优异的耐化学品性Self-crosslinkingatroomorlowbaketemperatures.

室温或低温自交联固化CuringMechanismenhancedby固化反应取决于：

PolymerComposition聚合物的组成

CoatingFormulation涂料配方

ApplicationConditions使用条件

CuringandAgingConditions

固化和熟化条件FeaturesandBenefitsofCoatOSil*2287

CoatOSil*2287的特点和优点ImpactofVOCRegulationonResinDesign

VOC法规对树脂配方设计的影响FunctionofSilanesinCoatings

硅烷在涂料中的特殊功能AdhesionPromotion增强附着力Especiallybetweenorganicpolymersandinorganicoxidesubstrates特别是在有机聚合物与无机氧化物之间Someexamplesexistforadhesiontononfunctionalorganicsubstrates在难附着的有机底材上增强附着力Crosslinking交联剂Convertreactivepolymers(isocyanate,polyol,polyamine)tomoisturecurechemistry可反应性聚合物＝》具有潮气固化反应的特点VOCReduction减少VOCDispersion帮助分散Compatibilizehigh-energyparticulateswithorganicmatrices帮助高能量粒子在有机物中的分散；Pigment/Mineralfillerdispersion

颜料/无机填料的分散SilquestA-1230reducesaqueousdispersionviscosity

SilquestA-1230降低水相体系的分散粘度SuspensionViscosity(cP)SilaneforFillerTreatment

硅烷用于无机填料的表面处理Dissolve20%silaneinalcohol/water(90/10byvolume)

将20%硅烷溶解入醇/水中(90/10)Ethanol,methanol,2-propanolmaybeused可用乙醇、甲醇、异丙醇Waterallowssilanetohydrolyze水可令硅烷水解Forsomesluggishly-hydrolyzingsilanes(e.g.A-137,octyltriethoxysilane),acidify-glacialaceticacidtopH4-5.对一些难水解的硅烷如A-137,应用醋酸将pH调到4-5.Acidcatalyzeshydrolysis醋酸可催化水解pH4.5forminimalcondensationandlongestsolutionlife在pH4.5时有较长的贮存期Applysolutionimmediatelytoparticulatemineralfillerusingconventionalequipment.将硅烷溶液立即表面处理无机填料,可用以下设备:Paterson-KelleyV-Blender

Henschelmixer

LödigemixerSILQUEST

硅烷在填料中的使用指导