您好,欢迎访问三七文档
BYK润湿分散剂毕克化学技术咨询(上海)有限公司Contents内容•BasicsofPigmentStabilization颜料稳定基础知识•StabilizationMechanisms稳定机理•InteractionW/DAdditiveswithPigments润湿分散剂与颜料的相互作用•FormulationGuidelines(AdditiveDosage,EvaluationMethods)配方指导(助剂添加量、评价方法)•WettingandDispersingAdditivesbasedon润湿分散剂基于EstablishedTechnologies成熟技术CPT可控聚合技术•AdditiveRecommendation–Quickreference助剂推荐-快速参考Drypigment干颜料Dispersion分散Primaryparticles原始颗粒(idealdispersion)理想的分散状态Agglomerates聚集体Pigmentinresinsolution颜料在树脂溶液中DeflocculationofAgglomerates聚集体的解絮凝ParticleSizeVersusSurfaceArea粒径与比表面积对比Pigment颜料Particlesize颗粒大小(µm)Surfacearea比表面积(m2/g)Ironoxidered氧化铁红0.25012Carbonblack1炭黑10.09520Phthaloblue酞菁蓝0.07064Carbonblack2炭黑20.013460WettingandDispersingProcess润湿分散过程2Dispersing分散1Wetting润湿3Stabilization稳定StepsofStabilization稳定步骤Reduced:降低-settling沉降-sagging流挂-flood&float浮色发花-strongflood&float严重浮色发花-highviscosities高粘度Reduced:降低-colorstrength色强-gloss光泽-lessflood&float更少浮色发花-highergloss更高光泽-lowviscosity低粘度-highestcolour最高的色强strengthControlledFlocculation受控絮凝Flocculation絮凝Deflocculation解絮凝Improved提高Improved提高Deflocculation解絮凝Deflocculation/ControlledFlocculation解絮凝/受控絮凝Gloss,hazeHidingpower光泽、雾影、遮盖率Improved提高Slightlyreduced轻微降低Anti-settling,sagcontrol抗沉降、流挂控制Reduced变差Improved提高Contr.Flocculation受控絮凝Flooding&floatingcontrol浮色发花控制TOPCOATS,面漆highgloss高光PRIMERS,highbuildlow–mediumglosscoatings底漆,厚涂层低-中光泽涂料Idealfor:最好用于:WettingandDispersingAdditives–Effects润湿分散剂-效果Deflocculation解絮凝型Appearance外观ControlledFlocculation可控絮凝型Protection保护TypesofStabilization稳定的类型Electrostaticstabilization静电稳定Stericstabilization位阻稳定(osmotic/entropicrepulsion)渗透/熵排斥•electrostaticstabilizationmainlyinwater-bornesystems(e.g.,emulsions)静电稳定主要在水性体系里(例如乳液)•stericstabilizationinsolvent-andwater-bornesystems位阻稳定在溶剂以及水性体系•combinationofbothmechanismsinwater-bornesystems水性体系中两种机理结合WettingandDispersing润湿与分散Toselecttherightadditive,youneedtoknow:要选择合适的助剂,你需要知道:Polarityofthesystem(low,medium,high…)系统的极性(低中高)Typeofthecoating(primer,topcoat,basecoat…)涂料的类型(底漆、面漆、底色漆)Pigmentation:pigmenttype(organic/inorganic),surfaceareaandsurfacechemistry(acidic/basic)颜料:颜料类型(有机/无机),比表面及表面化学(酸性/碱性)Co-GrindorsingleGrind共研磨或是单独研磨Grindingmethod(w/oresin)研磨方式(有无树脂)Fattyacidchemistry脂肪酸化学Polyesters,polyamineamides,聚酯,多胺酰胺Polyaddition,Polycondensation加聚、缩聚WettingandDispersingAdditives:EstablishedTechnologies1stGenerationWettingandDispersingAdditives润湿分散剂:成熟的技术第一代润湿分散剂Deflocculating解絮凝ControlledFlocculating控制絮凝1stGenerationWettingandDispersingAdditivesFattyAcidChemistrybasedW/DAdditives第一代润湿分散剂脂肪酸化学类的润湿分散剂lowerPolarity极性higherlowerMolecularWeighthigher分子量BYKUMEN®BYK®-P104SBYK®-220SANTI-TERRA®203ANTI-TERRA®204DISPERBYK®-108ANTI-TERRA®-UDISPERBYK®-101DISPERBYK®DISPERBYK®-130Deflocculating解絮凝Controlledflocculating控制絮凝DISPERBYK®-192WettingandDispersingAdditives:EstablishedTechnologies1stGenerationWettingandDispersingAdditivesPhosphoricAcidEsters磷酸酯polyester/polyetherpolymers,polyetherpolymerse.g.Disperbyk®-110,111,180,聚酯/聚醚聚合物,聚醚聚合物onepigment/filleraffinicgrouppermolecule每个分子有一个颜填料亲和基团POLYESTER聚酯POLYETHER聚醚-O-PO(OH)21stGenerationWettingandDispersingAdditivesPhosphoricAcidEsterbasedW/DAdditivesDISPERBYK-111DISPERBYK-180DISPERBYK-110lowerMolecularWeighthigherlowerPolarityhigherDeflocculatingDISPERBYK-103DISPERBYK-106DISPERBYK-102WettingandDispersingAdditives:EstablishedTechnologies1stGenerationWettingandDispersingAdditives•Stabilizationoforganicpigmentsisoftennotoptimum对有机颜料的稳定通常不是最佳的•Stabilizationoffoampossible(surfactant-likestructure!)可能会稳泡(与表面活性剂类似的结构)Remarks:评述Predominantlydevelopedforinorganicpigmentsandfillers大多用于无机颜填料WettingandDispersingAdditives:EstablishedTechnologies2ndGenerationWettingandDispersingAdditives第二代润湿分散剂HighMolecularweightAdditives高分子量助剂Manypigmentaffinicgroups很多颜料亲和基团2ndGenerationWettingandDispersingAdditivesBasedonPolyurethaneChemistry基于聚氨酯化学polyesterurethanes,polyether/polyesterurethanes,聚酯PU、聚醚/聚酯PUdifferentfunctionalities:acidic,basic,不同的官能团:酸性、碱性DISPERBYK®-160~169,DISPERBYK®-182,183,184,185,DISPERBYK®-170,171,174DISPERBYK®-2163,2164Disperbyk®-2150BYK®-9077Durableadsorptionlayer持久的吸附层manypigmentaffinicgroupspermolecule每个分子上有很多颜料亲和基团2ndGenerationWettingandDispersingAdditivesBasedonPolyurethaneChemistry基于聚氨酯化学lowerMolecularWeighthigherlowerPolarityhigherDeflocculatingDISPERBYK-161DISPERBYK-162/-168DISPERBYK-163/-167/2163DISPERBYK-174DISPERBYK-164/2164DISPERBYK-166DISPERBYK-170DISPERBYK-2150DISPERBYK-182DISPERBYK-183/185DISPERBYK-184BYK-9077DISPERBYK-2155DISPERBYK-169DISPERBYK-171DISPERBYK-115DISPERBYK-160NextGenerationPolyurethaneChemistry下一代聚氨酯化学DISPERBYK-2155Linearstructure线性结构M=20.000g/mol分子量η=∞粘度(solids=100%)Globularstructure球形结构M=20.000g/molη=13.000mPa·s(solids=100%)ConventionalPUchemistry传统PU化学NextGen.PUchemistry下一代PU化学PerformanceDISPERBYK-2155性能100%solids/activeSubstance100%固含/活性成分Widecompatibilityincluding2KPU,TPA,bakingsystems,NC,AC相容性宽,包括2KPU,TPA,烤漆,硝基漆,酸催化体系highlyefficientinUVsystemsUV系统中高效Themillbaseviscosityreductionissimilar/betterthanDISPERBYK161对研磨料的粘度降低能力与D-161相似甚至更好Defocculationandfloodingandf
本文标题:BYK_润湿分散剂
链接地址:https://www.777doc.com/doc-3131906 .html