最新德国毕克表面助剂PPT课件

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1、德国毕克表面助剂,Page2,PetervanDam,BYK-Chemie,PGMSurfaceAdditivesTopicsSurfacetensiontheory表面张力理论Siliconestoimprovesubstratewetting有机硅促进底材润湿Formationandpreventionofcraters缩孔的形成和避免Definitionandimprovementofflowandlevelling流动和流平的定义和流动和流平的定义的改进Siliconestoadjustsurfaceslip有机硅调整滑爽Acryliclev

2、ellingadditives丙烯酸流平剂Siliconesurfactants有机硅表面活性剂Dynamicsurfacetensionreduction降低动态表面张力AcrylatedandOH-functionalproducts丙烯酸酯和羟基官能团产品Silcleanforeasytocleansurfaces表面易清洁产品,Page9,PetervanDam,BYK-Chemie,PGMSurfaceAdditivesMeasuringsurfacetensionofliquidsusingtheDu-Nouyringmethod(sta

3、tic)使用提环法测量液体的静态表面张力=Fmax-FVL*cos,Page10,PetervanDam,BYK-Chemie,PGMSurfaceAdditivesCMC(criticalmicelleconcentration)insolutionscontainingsurfactants溶液中含表面活性剂的临界胶束浓度1000075706560555045403530252015105011010010000Concentrationmg/LSurfacetensionmN/mSurfactant:表面活性剂Hydrophobic憎水(t

4、ail)尾Hydrophilic亲水(head)头WaterSurfaceAir含量表面张力,Page11,PetervanDam,BYK-Chemie,PGMSurfaceAdditivesmN/mAdditivedosage助剂添加量0,050,1Substratewetting*底材润湿,Page12,PetervanDam,BYK-Chemie,PGMSurfaceAdditivesVolumetoSurfaceArea*从体积到表面积50µm10µmV(olume)A(rea),Page13,PetervanDam,BYK-Chemie,P

5、GMSurfaceAdditivesReductionofsurfacetensionwithorganicmodifiedsiloxanes有改性有机硅氧烷降低表面张力Dosage添加量mN/mBYK-300BYK-320BYK-331302928272625BYK-310BYK-333Flow/LevellingSubstratewetting/AntiCratering流动流平底材润湿抗缩孔,Page14,PetervanDam,BYK-Chemie,PGMSurfaceAdditivesOrientationoforganicmodified

6、siloxanes有机改性硅氧烷定向SiOCH3CH3SiOCH3(CH3)3SiSiOCH3CH3SiOCH3SiOCH3SiOCH3CH3SiOCH3CH3SiOCH3CH3SiOCH3OSi(CH3)3SiOCH3CH3SiOCH3SiOCH3SiOCH3SiOCH3CH3SiOCH3SiOCH3CH3SiOCH3CH3SiOCH3CH3(CH3)3SiOSi(CH3)3Substrate底材Paint油漆,Page15,PetervanDam,BYK-Chemie,PGMSurfaceAdditivesTypicalsurfacetensio

7、ns*各物质的表面张力whitespirit白电油Melamineresin氨基树脂80706050403020Phosphatizedsteel磷化钢材Water水Alkydresin醇酸树脂Acryla