硅烷在涂料中的應(yīng)用 silanes for coatings

SilanesforCoatings

硅烷在涂料中的應(yīng)用

Shiu-ChinCindySu蘇黃秀琴M(fèi)omentivePerformanceMaterialsShiu-Chin.Su@914-784-4905CompanyHistory公司的歷史1993Divestiture1995Acquisition1999Merger/Crompton&Knowles2000NameChange2003AcquisitionLate1950’s2006DivestitureFunctionofSilanesinCoatings

硅烷在涂料中的特殊功能AdhesionPromotion增強(qiáng)附著力Especiallybetweenorganicpolymersandinorganicoxidesubstrates特別是在有機(jī)聚合物與無機(jī)氧化物之間Someexamplesexistforadhesiontononfunctionalorganicsubstrates在難附著的有機(jī)底材上增強(qiáng)附著力Crosslinking交聯(lián)劑Convertreactivepolymers(isocyanate,polyol,polyamine)tomoisturecurechemistry可反應(yīng)性聚合物＝》具有潮氣固化反應(yīng)的特點(diǎn)VOCReduction減少VOCDispersion幫助分散Compatibilizehigh-energyparticulateswithorganicmatrices幫助高能量粒子在有機(jī)物中的分散；SilanesareDual-FunctionalMolecules

硅烷是雙功能的分子Organicportionbondsorinteractswithapolymerororganicsurface.

有機(jī)基團(tuán)－可以與聚合物或有機(jī)表面形成化學(xué)鍵；Silaneportionbondsorinteractswithmetal,glassorinorganicsurface(adhesion).

硅烷基團(tuán)－可以與金屬，玻璃等無機(jī)表面形成化學(xué)鍵；Canreactwithothersilane-modifiedpolymers(crosslinking).

可與其它硅烷改性的聚合物反應(yīng)（交聯(lián)）HydrolysisandCondensation

水解和縮合反應(yīng)1.HydrolysisReaction水解反應(yīng)OHH2N(CH2)3Si(OCH3)3

H2N(CH2)3SiOH+3CH3OH

(SilquestA-1110silane)

OH2.

Condensation縮合反應(yīng)

OH

OHH2N(CH2)3SiOH+HOSi

H2N(CH2)3Si

OSiOH

OHH2O-H2OSurfacesilanolFunctionalizedsurfaceHydrolysisandCondensationofOrganofunctionalSilanes

pH值對(duì)硅烷水解和縮合反應(yīng)的影響logk

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

硅烷在涂料中的特殊功能AdhesionPromotion

增強(qiáng)附著力Especiallybetweenorganicpolymersandinorganicoxidesubstrates特別是在有機(jī)聚合物與無機(jī)氧化物之間Someexamplesexistforadhesiontononfunctionalorganicsubstrates在難附著的有機(jī)底材上增強(qiáng)附著力Crosslinking交聯(lián)劑Convertreactivepolymers(isocyanate,polyol,polyamine)tomoisturecurechemistry可反應(yīng)性聚合物＝》具有潮氣固化反應(yīng)的特點(diǎn)VOCReduction減少VOCDispersion幫助分散Compatibilizehigh-energyparticulateswithorganicmatrices幫助高能量粒子在有機(jī)物中的分散；HowDoesSilaneEnhanceAdhesion

硅烷增加附著力的化學(xué)原理Metal=

SubstrateMatchFGwithResinsystem有機(jī)基團(tuán)與樹脂的反應(yīng)性相匹配FG=有機(jī)基團(tuán)RelativeSilaneEffectiveness有機(jī)硅烷對(duì)

無機(jī)材料

的反應(yīng)性Silica,Quartz,Glass石英，玻璃Aluminum,Alumina

鋁材，氧化鋁Copper

銅Wollastonite硅酸鹽Aluminosilicates(clays)硅酸鋁Mica云母Talc滑石粉Iron,steel鐵，鋼Asbestos石棉Nickel鎳Zinc鋅Lead鉛Calciumcarbonate(chalk)碳酸鈣Calciumsulfate(gypsum)硫酸鈣Bariumsulfate(baryte)硫酸鋇Carbonblack(untreated)碳黑Graphite石墨Excellent優(yōu)異Good好Some一般None無作用HowdoyouuseaSilane?如何使用硅烷Twoways兩種方法：Primer作為底涂IntegralBlend添加在涂料中Primer:Pretreatsubstratewithsilane.Veryefficientuseofsilaneforadhesionpromotion,notefficientresincrosslinking(minimalstabilityproblem),twostepprocess.底涂:硅烷對(duì)基材預(yù)處理，對(duì)附著力促進(jìn)非常有效，不影響樹脂的貯存穩(wěn)定性，兩步法－底涂＋涂料。Integralblend:Mixsilaneintocoatingformulation.Muchbetterforcrosslinking,alsogoodforadhesionpromotion.Possiblesilanehydrolysisandcondensationonstorage.Mostcustomerswilldoitthisway.將硅烷添加到涂料配方中，增加樹脂體系的交聯(lián)密度，同時(shí)促進(jìn)附著力。在儲(chǔ)存時(shí)，硅烷可能會(huì)發(fā)生水解和縮合反應(yīng)，影響儲(chǔ)存穩(wěn)定性。TypicalPrimerFormulation

硅烷底涂的參考配方Primersuitableforanepoxyorurethanesystem適用于環(huán)氧或聚氨酯涂料：組份 重量份Silquest?A-1100或A-1120硅烷 5SDA-30醇(91.11%乙醇+8.89%甲醇) 40蒸餾水Distilledwater 5甲苯toluene 40n-丁醇n-Butanol 5丁基纖維素ButylCellosolve 5ApplicationofPrimer

底涂的應(yīng)用Dissolve0.5-5.0weightpercentsilaneinacompatible,volatilesolvent(ormixture)溶解0.5-5.0％硅烷于揮發(fā)溶劑中Alcoholsaremostcommonlyused,forwatercompatibility.對(duì)不溶于水的硅烷，通常使用乙醇，以保持與水的相溶性Equalpartswater(basedonsilane)maybeaddedtoprehydrolyzesilaneifwateriscompatiblewiththesolvent.

加入與硅烷相同量的水來預(yù)水解Ifprimeristobeusedimmediately,thesolutionmaybeacidified.如果底涂馬上使用，溶液可以是酸性的Applytoclean,grease-freesurface.涂布于清潔無油的表面Wiping,spraying,brushing,dipping，擦涂，噴涂，刷涂，浸涂Filmthickness<0.1mil，膜厚<2.5umSolventremovalbydryingat50-60°Cfor10min.在50-60°C烘干10分鐘Protectsurfacefromcontaminationandcoatwithin24hr. 保持表面無污染并在24小時(shí)內(nèi)涂布后續(xù)涂層Integral

BlendMethods添加的方法0.5-2%silaneaddedtopolymermatrixpriortoapplication

在使用前，將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取決于moisturecontentofmatrixpolymer聚合物中潮氣含量reactivityofsilanetomatrixpolymer硅烷與聚合物的反應(yīng)性Silanemaybeaddedatcompoundingstage,e.g.liquidsilanepumpedintoextrudermixingzone

硅烷可以在混合步驟中加入，例如液體硅烷泵入擠出混合階段VariousSilanesinaReactiveAdhesive

有機(jī)硅烷提高附著力AdhesiontoAluminum(degreasedandetched)

附著于鋁底材(去油脂和經(jīng)清洗）

Isocyanate-terminatedpolyurethane(UniroyalAdipreneL-100)

異氰酸酯封端的聚氨酯(UniroyalAdipreneL-100)

2%SilaneaddedbyIntegralAddition

2%的有機(jī)硅烷添加量T-PeelStrength,pliFunctionofSilanesinCoatings

硅烷在涂料中的特殊功能AdhesionPromotion增強(qiáng)附著力Especiallybetweenorganicpolymersandinorganicoxidesubstrates特別是在有機(jī)聚合物與無機(jī)氧化物之間Someexamplesexistforadhesiontononfunctionalorganicsubstrates在難附著的有機(jī)底材上增強(qiáng)附著力Crosslinking

交聯(lián)劑Convertreactivepolymers(isocyanate,polyol,polyamine)tomoisturecurechemistry 可反應(yīng)性聚合物＝》具有潮氣固化反應(yīng)的特點(diǎn)VOCReduction減少VOCDispersion幫助分散Compatibilizehigh-energyparticulateswithorganicmatrices幫助高能量粒子在有機(jī)物中的分散UseofSilanestoCross-linkCoatings

硅烷作為涂料的交聯(lián)劑TwoSystems:SolventBorne

andWaterBorne

兩種系統(tǒng):溶劑型和水性Twomainways:兩種主要路經(jīng):Co-polymerize 共聚合 Useafunctionalsilaneasamonomerinpolymerformation選用具有反應(yīng)活性的硅烷作為單體形成聚合物Post-Addition/Blend

后添加/混合Afterthepolymerisformed,reactafunctionalsilanewithit.形成聚合物后，再與反應(yīng)活性的硅烷反應(yīng)，Co-polymerize共聚合

Silane-ContainingAcrylicsasClearTopcoat

SolventBorne

溶劑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可反應(yīng)性聚合物＝》具有潮氣固化反應(yīng)的特點(diǎn)SiROORORXrxnwithpolymerCrosslinkAdhesionSiHOOOHHOOHSiROORORSiHOOHSiOHOHOSiHOOHOHhydrolysis與聚合物反應(yīng)水解交聯(lián)附著力UseofSilanestoCross-linkCoatings

硅烷作為涂料的交聯(lián)劑TwoSystems:SolventBorneand

WaterBorne

兩種系統(tǒng):

溶劑型和水性Twomainways:兩種主要路經(jīng):Co-polymerize

共聚合

Useafunctionalsilaneasamonomerinpolymerformation選用具有反應(yīng)活性的硅烷作為單體形成聚合物Post-Addition/Blend

后添加/混合Afterthepolymerisformed,reactafunctionalsilanewithit.形成聚合物后，再與反應(yīng)活性的硅烷反應(yīng)MethylmethacrylateMMAButylAcrylateBAMethacrylicAcidMAAEmulsionPolymerization

乳液聚合TypicalmonomersSilaneMonomersforEmulsionPolymerization

異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)

在乳液聚合條件下(通常

65-80oC,低pH)，異丙氧基的水解度低。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學(xué)組成Monomer單體MolePercent摩爾百分比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所有乳液的酸值不變43%固含量CharacterizationofSilylatedLatexes

BA/MMA/MA/Silanecopolymers

硅烷化丙烯酸乳膠的物理特征

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

交聯(lián)密度和性能隨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測(cè)定Noteasytodoquantitatively,reproducibly

難以定量，重復(fù)性差Techniquemustnotallowfurtherhydrolysis

測(cè)定時(shí)，要控制硅烷不再繼續(xù)水解Solution解決方案:Low-temperaturetrap-to-trapseparationofvolatiles

(低溫冷阱法分離揮發(fā)組分）GCanalysisforalcoholofhydrolysis

(GC分析水解產(chǎn)物－醇）Solid-state29SiNMRanalysisofnon-volatilepolymer

(固態(tài)29SiNMR分析不揮發(fā)的聚合物）SeparationofVolatilesfromSolidsinSilylatedLatexes從硅烷化乳液中分離揮發(fā)組分Donecold–topreventsilanehydrolysis/condensation保持低溫–阻止硅烷水解/縮聚Trap-to-trapdistillationtechniqueused低溫冷阱蒸餾技術(shù):FreezesampleinliquidN2用液氮冷卻樣品AttachtosystemcontainingU-tube,trap用U型管連接真空冷阱和樣品Evacuatesystem,freezetrapwithliq.N2真空體系，用液氮冷卻Sealsystem密閉體系Warmsample,allowvolatilestocondenseincoldtrap加熱樣品，用冷阱收集揮發(fā)組分Recoversolidsandliquidsforanalysis得到固體和液體用于分析AnalyzeSolidsby29SiNMR,LiquidsbyGCforalcoholofhydrolysis固態(tài)物質(zhì)用29SiNMR分析，液態(tài)物質(zhì)（水解產(chǎn)物）用GC分析Trap-to-trapdistillationseparatesvolatilesfrompolymer用低溫冷阱法把聚合物與揮發(fā)組分分離ApparatusforTrap-to-TrapDistillation

低溫冷阱蒸餾裝置HydrolysisofAlkoxyGroupsDuringEmulsionPolymerization乳液聚合過程中烷氧基基團(tuán)的水解CoatOSil1706showsgreaterextentofhydrolysisthanCoatOSil1757CoatOSil1706的水解度高于CoatOSil1757SeedformationMonomerfeed/polymerizationComparisonofSilaneHydrolysisDuringEmulsionPolymerization

乳液聚合過程中硅烷水解度的對(duì)比Methoxy-substitutedsilanemonomershydrolyzetoamuchgreaterextentduringemulsionpolymerization甲氧基硅烷單體在乳液聚合過程的水解度較大Methacryl甲基丙烯酰氧基Vinyl乙烯基AlkoxyGroups烷氧基團(tuán)IsopropoxyMethoxy異丙氧基甲氧基28686792EffectofBufferonSilylatedLatexfrom

CoatOSil1757

緩沖液對(duì)含CoatOSil1757乳液性能的影響NewProductIntroduction

新產(chǎn)品介紹

VinylSilaneComposition

CoatOSil*VX-193

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

硅烷單體和CoatOSilVX－193的描述15.1%82%160°C0.910Vinylcont.bywt.乙烯基含量VOCequivalentVOC當(dāng)量Boilingpoint沸點(diǎn)Specificgravity比重Silquest*RC-19.1%49%160°C0.954Colorless28°C100%Colorless44°C100%Appearance外觀Flashpoint閃點(diǎn)Activematerial活性物質(zhì)Colorless44°C100%SilylatedVeoVAmodellatexes硅烷基叔碳酸乙烯酯乳液InitialChargeReactor初始投料

Charge%weightDemineralizedwater去離子水35718.6Sulframin1207 3.00.16Sodiumbicarbonate碳酸鈉20.10PotassiumPersulphate過硫酸鉀1 0.05CellosizeQP300 5 0.25 Monomerpre-emulsion單體預(yù)乳化Water水 38920.3 Sodiumbicarbonate碳酸鈉20.10Sulframin1207 3.00.16Disponil3065 311.6VeoVa10

叔碳酸乙烯酯20010.42-EHA

丙烯酸異辛酯25013.0Vinylacetate

醋酸乙烯酯55028.7Silanes

硅烷 5 0.26(0.5%/monomers)Initiatorsolution引發(fā)劑溶液Demineralizedwater去離子水1206.3Potassiumpersulphate過硫酸鉀2.30.1 Total總重1920100Pre-EmulsionTechnique預(yù)乳化的技術(shù)Theinitialreactorchargeisheatedupto60°Cundernitrogenblanketing.Thennitrogenblanketisstoppedand2.5%ofthetotalmonomerpre-emulsionisadded.Heatingiscontinueduntil80°C,afterwhichtheremainingmonomerpre-emulsionandtheinitiatorsolutionaregraduallyaddedintothereactorduring3hoursand3hoursand15minutesrespectively.Thereactoriskeptat80°Cfor2morehoursbeforecoolingandfiltration.Inallcasesnocoagulumwasdetected.ByCourtesyofHexionLatexFormulation乳液配方 CopolymerVeoVA/VA/2EHA/Silane-colloidstabilized使膠體穩(wěn)定Coagulum凝聚物 DryPolymerremaininginthereactoraftersynthesis(0/00)反應(yīng)結(jié)束后，反應(yīng)釜中殘余的聚合物含量Gritcontent 粒子含量 DryPolymerfilteredoutfromlatexon80microns(0/00)乳液經(jīng)過濾(80um)后的聚合物含量ImpactofCoatOSil*VX-193onCoagulumandGritduringpolymerization

在乳液聚合中CoatOSilVX－193對(duì)凝聚物和粒子的影響Conclusion;結(jié)論CoatOSilVX－193haslimitedimpactoncoagulumandtendstogivelessprematurecrosslinkinginthepolymer.

CoatOSilVX－193對(duì)凝聚物形成的影響有限;聚合過程中可避免過早交聯(lián)。LatexFormulationCopolymerVeoVA/VA/2EHA/Silane-colloidstabilizedLatexdeposit DepositonTeflon–7daysRT涂在Teflon上－室溫放置7天Testmethods

GelContent;ExtractionSoxhlet–8hMEK-%remainingpolymer凝膠含量；MEK萃取8h－殘余聚合物的％

ImpactofCoatOSil*VX-193onGelContentofVeoVabasedlatexes

CoatOSilVX－193對(duì)叔碳酸乙烯酯乳液中凝膠含量的影響Conclusion;結(jié)論CoatOSil*VX-193

improvestheGelContentofVeOVA/VA/2-HEAlatexpolymers.Enhancedchemicalresistancesareforeseeable.CoatOSil*VX-193提高VeOVA/VA/2-HEA乳液中凝膠含量。提高耐化學(xué)品穩(wěn)定性是可以預(yù)見的MattPaint(80%PVC)–Preparation

亞光涂料(80％PVC)－制備TiO2andCaCO3Dispersion鈦白粉和碳酸鈣的分散Paste漿料MattPaint(80%PVC)DISPERSIONPASTE 81.8% 分散體VeoVA/SilaneLatex

9.5%

Demineralisedwater 5.7% 去離子水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應(yīng)用條件 120micronsdrydepositonLenettablackcard–28daysRTTestmethod 測(cè)試方法WetScrubtest–DIN53778andISO11998ImpactofCoatOSil*VX-193onWetScrubofVeoVabasedpaints

CoatOSilVX－193對(duì)VeoVa乳液涂料耐濕擦洗性的影響Conclusion;結(jié)論CoatOSilVX-193ImprovesWetScrubresistancesCoatOSilVX-193提高耐濕擦洗性ImpactofCoatOSil*VX-193onWetScrubofVeoVabasedlatexes

CoatOSilVX－193對(duì)VeoVa乳液涂料耐濕擦洗性的影響LatexFormulation乳液配方 CopolymerVeoVA/VA/2EHA/Silane-colloidstabilizedPaintFormulation涂料配方80%PVC-withCoalescentCoatingsconditions涂料條件DepositonLenettablackcard-Curingconditions;50°C-1daysTestmethod 測(cè)試方法WetScrubtest–DIN53778andISO11998Conclusion;結(jié)論CoatOSilVX-193ImprovesWetScrubresistancesCoatOSilVX-193提高耐濕擦洗性LatexFormulation乳液配方 CopolymerVeoVA/VA/2EHA/Silane-colloidstabilizedAgeingconditionsLatexes乳液熟化條件 1weekatRT->70daysatRT->70daysat50°CApplicationconditions應(yīng)用條件 120micronsdrydepositonLenettablackcard–28daysRTTestmethod 測(cè)試方法WetScrubtest–DIN53778ImpactofageingofCoatOSil*193onWetScrubofVeoVabasedpaints

CoatOSilVX－193對(duì)VeoVa乳液涂料耐濕擦洗性的影響Conclusion;結(jié)論CoatOSilVX-193ImprovesWetScrubresistances.AgeingofthelatexinnormaloracceleratedconditionshavelessimpactonCoatOSilVX-193CoatOSilVX-193提高耐濕擦洗性。CoatOSilVX-193在正常或加速條件下熟化，對(duì)耐擦洗性的影響變化不大。FEATURES特色BENEFITS優(yōu)點(diǎn)Waterstablesilanecompositionusefullforemulsionpolymerization水穩(wěn)定型硅烷用于乳液聚合中GoodhydrolyticStability水解穩(wěn)定性Lowersolventcontent低溶劑含量Organic&inorganicfunctionality

同時(shí)具有有機(jī)和無機(jī)的功能LowVOCgenerationuponcure

在固化時(shí)，產(chǎn)生低VOCBettercontrolofpolymerization

較好地控制聚合反應(yīng)VerygoodWetScrubresistance

提高耐擦洗性Enhancedhydrophobicity

增強(qiáng)憎水性Higherpolymerstabilityuponageing在乳液熟化期，聚合物具有高穩(wěn)定性；Roomtemperatureself-crosslinking

室溫自交聯(lián)FeaturesandBenefitsofCoatOSil*VX-193

CoatOSilVX－193的特色和優(yōu)點(diǎn)UseofSilanestoCross-linkCoatings

硅烷作為涂料的交聯(lián)劑TwoSystems:SolventBorneand

WaterBorne

兩種系統(tǒng):溶劑型和水性Twomainways:兩種主要路經(jīng):Co-polymerize

共聚合 Useafunctionalsilaneasamonomerinpolymerformation選用具有反應(yīng)活性的硅烷作為單體形成聚合物Post-Addition/Blend

后添加/混合Afterthepolymerisformed,reactafunctionalsilanewithit.

形成聚合物后，再與反應(yīng)活性的硅烷反應(yīng)FunctionalizingAnionicResinwithEpoxySilanes

陰離子樹脂與環(huán)氧硅烷的反應(yīng)Anionicresin陰離子樹脂OOC-NR3HCrosslinked交聯(lián)SiSiOOOOSiOOYYYYSiOOAdhesion附著力Coupling偶聯(lián)Particle填料Substrate基材SiOHYHOOHGrafting接枝Hydrolysis水解RSi(OEt)3OSilquest*

環(huán)氧硅烷

*SilquestisatrademarkofMomentivePerformanceMaterialsInc.EpoxysilanesforIntegralblendmodificationofWBsystems應(yīng)用于水性涂料的環(huán)氧硅烷1K2KSilquest?A-1871CoatOSil*2287Silquest?A-187CoatOSil*1770WoodCoatingFormulation木器漆配方Componentcharacteristics組成Joncryl537:Acrylicemulsion丙烯酸乳液 (JohnsonPolymer) Solid:46.5%固含:46.5% AcidNumber:51酸值:51 Tg:50°cJonwax35:Polyethylenewaxemulsion聚乙烯臘乳液 (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無泡潤(rùn)濕劑(MomentivePerformanceMaterials)DowanolDPnB

二丙二醇丁醚(Dow)：Coalescent–glycidoxypropylmethyl-diethoxysilaneCoatOSil*22873-縮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環(huán)氧硅烷/mgKOH/gJoncryl537PE-PUDCoatOSil*2287Jonwax35WaterCoatosil1211DowanolDPnB參考58.214.503.6180.25.5____100X-linked228758.214.51.2Inductiontime(活化時(shí)間)of3days3.616.80.25.5____1007.8630sDIN432%88/2208.2640sDIN433%88/220.08WoodCoatingApplicationViscosity黏度 20sDIN4Application施工工藝 Spray噴涂Drydeposit涂布量 130-170g/m2(total) Twolayers兩道Panel板材 Oakveneeredboard橡木板 SandingbetweeneachlayerDryingtime干燥時(shí)間 40°C–1hour 28daysatroomtemperature

40°C1小時(shí)＋室溫放置28天012345Ammonia氨水(10%)-2minBlacktea紅茶-24hActone丙酮-2minEthyl-Butylacetate乙酸乙酯/丁酯-2minEthylalcohol乙醇(48%)–60min012345Aceticacid乙酸(44%)-60minAmmonia氨水(10%)-2minBlacktea紅茶-24hAcetone丙酮-2minEthyl-Butylacetate乙酸乙酯/乙酸丁酯-2minEthylalcohol乙醇(48%)–60minISO4211-19790:severeeffect;5:noeffect0:嚴(yán)重影響;5:無影響Standard參考配方X-Linked測(cè)試配方0.08%epoxysilanes/mgKOH/g+1.2%CoatOSil*2287ImpactofCoatOSil*2287on

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

0:嚴(yán)重影響;5:無影響Standard參考配方X-Linked測(cè)試配方+1.2%CoatOSil*22870.08%環(huán)氧硅烷/mgKOH/gImpactofCoatOSil*2287on

Staining&ChemicalResistance–DIN688611B

CoatOSil*2287對(duì)耐污&耐化學(xué)性的影響012345Aceticacid乙酸-16hAmmonia氨水(10%)-16hBlacktea紅茶-16hAcetone丙酮-16hEthyl-ButylAcetate乙酸乙酯/丁酯-16hEthylalcohol乙醇(48%)-16hStandard參考配方012345Aceticacid乙酸-16hAmmonia氨水(10%)-16hBlacktea紅茶-16hAcetone丙酮-16hEthyl-ButylAcetate乙酸乙酯/丁酯-16hEthylalhohol乙醇(48%)-16hX-Linked測(cè)試配方0.08%環(huán)氧硅烷/mgKOH/g+1.2%CoatOSil*2287ImpactofCoatOSil*2287on

Staining&ChemicalResistance–DIN688611A

CoatOSil*2287對(duì)耐污&耐化學(xué)性的影響DIN68861-1A0:severeeffect;5:noeffect

0:嚴(yán)重影響;5:無影響ISO4211-1979DIN68861–1B+CoatOSil2287+CoatOSil2287ImpactofCoatOSil*2287onStaining&ChemicalResistance

CoatOSil*2287對(duì)耐污&耐化學(xué)性的影響FEATURES特點(diǎn)BENEFITS優(yōu)點(diǎn)WatersolublesilaneadditiveforOnePackWBsystems;Acrylics,PUDs,WBEpoxies&Alkyds水溶性硅烷添加劑，可用于單組分水性涂料(丙烯酸,聚氨酯，環(huán)氧&醇酸樹脂)Highersilanelevelsforhighperformance.高硅烷用量＝>高性能Superiorstainingresistance優(yōu)異的耐污性Superiorchemicalresistance.優(yōu)異的耐化學(xué)品性Self-crosslinkingatroomorlowbaketemperatures.

室溫或低溫自交聯(lián)固化CuringMechanismenhancedby固化反應(yīng)取決于：

PolymerComposition聚合物的組成

CoatingFormulation涂料配方

ApplicationConditions使用條件

CuringandAgingConditions

固化和熟化條件FeaturesandBenefitsofCoatOSil*2287

CoatOSil*2287的特點(diǎn)和優(yōu)點(diǎn)ImpactofVOCRegulationonResinDesign

VOC法規(guī)對(duì)樹脂配方設(shè)計(jì)的影響FunctionofSilanesinCoatings

硅烷在涂料中的特殊功能AdhesionPromotion增強(qiáng)附著力Especiallybetweenorganicpolymersandinorganicoxidesubstrates特別是在有機(jī)聚合物與無機(jī)氧化物之間Someexamplesexistforadhesiontononfunctionalorganicsubstrates在難附著的有機(jī)底材上增強(qiáng)附著力Crosslinking交聯(lián)劑Convertreactivepolymers(isocyanate,polyol,polyamine)tomoisturecurechemistry可反應(yīng)性聚合物＝》具有潮氣固化反應(yīng)的特點(diǎn)VOCReduction減少VOCDispersion幫助分散Compatibilizehigh-energyparticulateswithorganicmatrices幫助高能量粒子在有機(jī)物中的分散；Pigment/Mineralfillerdispersion

顏料/無機(jī)填料的分散SilquestA-1230reducesaqueousdispersionviscosity

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

硅烷用于無機(jī)填料的表面處理Dissolve20%silaneinalcohol/water(90/10byvolume)

將20%硅烷溶解入醇/水中(90/10)Ethanol,methanol,2-propanolmaybeused可用乙醇、甲醇、異丙醇Waterallowssilanetohydrolyze水可令硅烷水解Forsomesluggishly-hydrolyzingsilanes(e.g.A-137,octyltriethoxysilane),acidify-glacialaceticacidtopH4-5.對(duì)一些難水解的硅烷如A-137,應(yīng)用醋酸將pH調(diào)到4-5.Acidcatalyzeshydrolysis醋酸可催化水解pH4.5forminimalcondensationandlongestsolutionlife在pH4.5時(shí)有較長(zhǎng)的貯存期Applysolutionimmediatelytoparticulatemineralfillerusingconventionalequipment.將硅烷溶液立即表面處理無機(jī)填料,可用以下設(shè)備:Paterson-KelleyV-Blender

Henschelmixer

L?digemixerSILQUEST

硅烷在填料中的使用指導(dǎo)