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1AnintroductionofMomentiveSiliconeResin迈图高新材料集团有机硅树脂介绍-MomentivePeformanceMaterials-迈图高新材料集团-22/Nov./20072CONTENTS内容-Whatisasilicone?什么是有机硅?-ManufactureofSilicones有机硅树脂的生产-SiliconeBasicElement有机硅树脂基本结构--WhySiliconePaints?为什么使用有机硅树脂?-SiliconeFeatures&Benefits有机硅树脂特点和优点-Structure/performancerelationship有机硅树脂结构与性质的关系-CureSystemsofSiliconeResins有机硅树脂的固化-MomentiveTypicalSiliconeResins迈图公司典型的有机硅树脂产品-Siliconeapplication有机硅树脂的应用-Puresiliconeresin纯有机硅树脂-Modifiedsiliconeresin改性有机硅树脂-Siliconeoligomer有机硅低聚物-Sphericalsiliconeresin球形有机硅树脂-AnyTime,PleaseContactUs随时恭候您的咨询3Whatisasilicone?有机硅的定义有机硅材料是一类合成材料，并因下面的结构特征而具有独一无二的性能：Si-O-Si主链(R)2SiOSi原子上有机基团有机硅材料的形式可以是：流体，乳液，弹性体，硅脂或者硅树脂。4无交联Siliconephysicalstatus有机硅的物理形态LinearpolymerCross-linkingpolymerCross-linkingbyagentPurepolymerPolymerwithfillerMonomerFluidGumGelRTVLIM/LSRResin树脂HCRCross-linking聚合线状聚合体：硅油，硅胶线状聚合体：硅油，硅胶交联改性聚合体交联改性聚合体单体：硅烷单体：硅烷高度交联5Fluid–“Chain”structure硅油–链形结构Elastomer–“PartiallyCross-linked”structure弹性体–部分交联结构Resin–“Network”structure树脂–网状结构TypicalMolecularstructureofSiliconeTypicalMolecularstructureofSilicone有机硅的典型分子结构有机硅的典型分子结构556SiORRRSiOROSiORRSiOOOOOOM=monofuntional单官能团D=difunctional双官能团T=trifunctional三官能团Q=tetra(quatro)functional四官能团R=alkl(especiallymethyl);phenyl烷基(特别是甲基)，苯基BasicUnits基础结构单元7ManufactureofSilicone有机硅树脂的生产DirectMethod直接法RCl+SiSiCl4四氯硅烷RSiCl3甲基三氯硅烷R2SiCl2甲基二氯硅烷R3SiCl甲基氯硅烷R:CH3FromMetalSilicontoChlorosilanes由金属硅到氯硅烷Cu300℃直接法的创始者Dr.E.G.Rochow(GE)194182SiCl+2H2O2SiOH+2HClSiOH+HOSiSiOSi+H2O水解缩合FromSilanetoSilicone由硅烷到硅树脂HowSiliconesareMade？硅树脂的制备SiliconebondSiCl4四氯硅烷RSiCl3甲基三氯硅烷R2SiCl2甲基二氯硅烷R3SiCl甲基氯硅烷9一氯硅烷水解得到硅单醇，硅单醇聚合产生二聚体(CH3)3SiCl+H2O(CH3)3SiOH+HCl(CH3)3SiOH+HOSi(CH3)3(CH3)3Si-O-Si(CH3)3+H2O水解缩合PolymerizationM-unit聚合反应与单官能团10二氯硅烷水解得到硅二醇，聚合可以产生诸多形式线性多聚体，是硅油和线性树脂的基础，也是合成其他诸多产品的原料。(CH3)2SiCl2+2H2O(CH3)2Si(OH)2+2HClCH3CH3CH3CH3HO-Si-OH+HO-Si-OHHO-Si-O-Si–OH+H2OCH3CH3CH3CH3PolymerizationD-unit聚合反应与双官能团水解缩合11最终由烷基苯基取代三氯硅烷得到交联聚合物，一般较硬并较脆。脆性可以通过引入不同的中间体进行共聚改性来调节。通过不同的共混和共聚可以得到三维交联硅树脂。CH3SiCl3+3H2OCH3Si(OH)3+3HClCH3CH3CH3CH3HO–Si-OH+HO–Si-OH+HO–Si–OH+HO–Si–OHOHOHOHOHCH3CH3CH3CH3HO–Si-O–Si--O–Si–O–Si–OH+3H2OOHOHOHOHPolymerizationT-unit聚合反应与三官能团水解缩合12RSiORRSiRROSiRROSiRROSiROOSiRRORSiOOOSiROMDTQTermination封端单元单官能团LinearUnit线性单元双官能团Branching,Crosslinking岐化单元，交联单元三、四官能团硅氧烷具有交错Si,O长链结构，是硅树脂基本结构；不同元素和分子可以与长链上的硅键合；不同的交联结构给于不同的性质：硅油，树脂，橡胶。BasicUnits基本结构单元13Heatresistance耐热Weatherability耐侯Resistanceforoxidation耐氧化qCold-resistance耐寒qWaterrepellence疏水qInsulation绝缘qetc.其它ResinBasicStructure:ResinBasicStructure:树脂基本结构树脂基本结构ResinBasicProperties:ResinBasicProperties:树脂基本特点树脂基本特点ChemicalstructureandpropertiesofChemicalstructureandpropertiesofSiliconeResinSiliconeResin有机硅树脂的化学结构和性质有机硅树脂的化学结构和性质R=烷基(特别是甲基)，苯基14ーOーSi－O－Si－O－SiーO－SiーR共价键高键能离子键成份高Si-O-Si:自由基反应惰性:离子反应敏感Si-R:低反应活性Advantage优点•HeatResistance耐热性•UVResistance抗UV•OxidationResistance抗氧化Disadvantage缺点•抗酸碱性能WhySiliconePaints?WhySiliconePaints?为什么使用有机硅树脂？为什么使用有机硅树脂？15GeneralProductFeatures&Benefits一般特点和优点•HeatResistance耐热性:Suitableforhighheatresistancecoatings耐高温涂料•UVandOxidationResistance抗UV,抗氧化:Excellentweatherabilityduetohighcross-linkeddensity交联密度高赋予高耐候性•WaterResistance耐水:Canbeusedunderhighhumidityconditions高湿环境应用•GlossandColorRetention保光保色:Doesnotchalkoryellowish不泛白不黄变•GoodAdhesion良好附着力:ToAluminumorsteel(canbeimprovedbyblendingwithorganicresins)铝或铁基材可以通过引入其他树脂改性来提高附着力Ｒ／Ｓｉ1.01.11.21.31.41.51.61.72.0Curingrate固化RapidSlowHardness硬度HardSoftFlexibility柔韧PoorGoodHeatLoss热失重SmallLargeAnti-Crack抗开裂BadGoodModerateSiRCH3DiOMajorunitforFluid硅油的主要单元OSiRTriMajorunitforResin树脂的主要单元OOORigidPolymerRigidPolymer硬树脂硬树脂SoftPolymerSoftPolymer软树脂软树脂StructureAndPropertiesofSiliconeResinStructureAndPropertiesofSiliconeResin有机硅树脂结构与性质有机硅树脂结构与性质BalanceofMethylgroup&PhenylgroupBalanceofMethylgroup&Phenylgroup甲基与苯基的平衡甲基与苯基的平衡Methylgroup(Rich)甲基多Phenylgroup(Rich)苯基多ReactionrateofCondensation(反应速度)FastSlowGlossofSurfaceofresin(光泽)LowHighHeatStability(热稳定性)GoodRelationshipbetweenPolymer-Structure&Properties聚合物结构和性质之间关系18Structure/PropertyRelationshipofTDSiliconeResins有机硅TD树脂结构/性质关系PROPERTYT(trifunctional)D(difunctional)CommentsmethylphenylmethylphenylHardnessfunctionofcross-linkingBrittlenesscross-linkingStiffnesscross-linkingToughnesscross-linkingCurespeedT/DratioTackfunctionofDcontentElasticityDandphenylcontentSilane硬度硬度脆度脆度抗挠性抗挠性韧性韧性固化速度固化速度粘结力粘结力弹性弹性性质性质T(T(三官能团三官能团))D(D(双官能团双官能团))甲基甲基苯基苯基甲基甲基苯基苯基交联度交联度交联度交联度三/二官能团比二官能团二官能团和苯基含量19纯硅树脂网状结构溶剂/无溶剂PureSiliconeResinYesYesYes纯有机硅树脂MeSiliconeVarnish甲基有机硅清漆Me/PhSiliconeVarnish甲基/苯基有机硅清漆ModifiedSiliconeVarnishNoYesYes改性有机硅清漆Silicone-AlkydSilicone-PolyesterSilicone-AcrylicSilicone-EpoxySilicone-UrethaneSiliconeOligomerYesYesYes有机硅低聚物SiliconeResin-ProductsTypes有机硅树脂的产品种类20CureSystemsofSiliconeResinsCondensationofSilanols(热固化)Si-OH+HO-SiSi-O–Si+H20CR13:asaltcatalystCatalyst催化剂Acid,Basic,SaltMoisturecuringofAlkoxygroups(室温固化)Reaction1:Si-OR+H2OSi-OH+ROHReaction2:Si-OH+RO-SiSi-O–Si+ROHCR15:AnaminoalkoxysilanewithatincompoundCatalyst催化剂CR15Catalyst催化剂CR1521MomentiveMomentiveTypicalSiliconeResinsTypi