您好,欢迎访问三七文档
1Innovativechemicalpretreatment表面处理化学新技术2Iszincphosphatingthepretreatmentsystemofthefuture?锌系磷化会是表面处理的未来吗?3WhyUseZincPhosphating?为什么使用锌系磷化?•Promotionofpaintadhesion提高油漆结合力•Promotionofcorrosionresistance提高耐腐蚀性•Specifiedinqualitystandards质量标准中规定使用4Whatpeopledon´tlikeaboutzincphosphatingsystems?为什么人们考虑替代锌系磷化?§Sludge渣§Hightemperaturerequired需要较高的温度(50–55°C)§Costlyequipmentrequired设备投资大§WastewatercontainsZincandNickel废水含锌和镍(有害金属)§Highconsumtionofrinsingwater水洗水需求量大§Manylotprocessstepsrequired需要的步骤多§Alotofanalysisrequired需要很多测试分析5Howoftenhaveyouhadsuchproblems?以下图片中显示的问题在您处多久发生一次?6Zincphosphating锌系磷化Tanksrequired需要槽体数量:9Activetanksrequired:4Wastewater废水:approx.约4l升/m²Cleaning脱脂Rinsing水洗Rinsing水洗Rinsing水洗Rinsing水洗DIRinsing去离子水洗Activation表调Phosphating磷化Passivation钝化7OXSILAN®Thebetterway您更好的选择8WhatareOXSILAN®Products?什么是OXSILAN?nOXSILAN®productsarebasedonSiliconorganicsubstancesthatarecommonlydescribedassilanesOXSILAN是基于人们熟悉的硅烷技术的nSilaneshaveformanyyearsbeenusedasadhesionpromotersinglueandpainttechnologies硅烷已经在胶水和油漆领域作为提高附着力的助剂使用多年nOXSILAN®products,incombinationwithspecialinorganiccomponents,createapolymerisationfilmonthemetalsufaceOXSILAN产品和一些无机组分可在金属基材上形成一层有机聚合膜层nOXSILAN®productsareexcellentadhesionpromotersforpaintsOxsilan产品可极大改善油漆附着力nOXSILAN®productsutilisenanotechnology;Oxsilan属于纳米技术i.e.Filmthickness膜厚1µm9Chemistry化学机理ORORORROSiYROSiZSiORORORORMonoSilanesBiSilanes单个硅烷两交联硅烷Silanetechnology硅烷技术10SimplifiedChemicalReactionofSilanes简化后的化学反应式Hydrolysis水解OROHROSiR1+3H2OHOSiR1+3ROHOROHCondensation聚合OHOHOH2HOSiR1R1SiOSiR1+H2OOHOHOHSilanetechnology硅烷技术11Silanetechnology硅烷技术•ChemisorptionoftheSilanol-GroupontheOxide/Hydroxide-filmofthesubstrate:硅烷基团在氧化层或氢氧化膜层上化学吸附+→+H2O•CrossLinking交联2-Si(OH)3→-(OH)2Si-O-Si(OH)2-+H2O•ChemisorptionoftheSilanol-GroupontheOxide/Hydroxide-filmofthesubstrate:硅烷基团在氧化层或氢氧化膜层上化学吸附+→+H2O•CrossLinking交联2-Si(OH)3→-(OH)2Si-O-Si(OH)2-+H2O-OH-O-OHHO-Si-R1OH--OHSi-R1OH--12HOH:OHOHOHOSiOSiH2COHHOHOOOHCH2CH2OHOSiOH:OHOSiH2CH2CSiOH2CH2COSiCH2CH2SiOHCH2CH2SiCH2CH2OHCH2CH2OSiSiSiSiH2CCH2CH2CH2CH2CH2CH2CH2CH2CH2OSiOSiOOHHOSiCH2CH2OOOOOOOOSiOSiOOSiSiOOSiSiOSiOCH2CH2SiSiCH2CH2HOSiOSiOH:H2CCH2CH2SiOOSiCH2CH2SiOxide氧化层Metal基材Silanetechnology硅烷技术ModelfortheformationofaSilanefilm硅烷膜层形成模型13OOOOOOOOSiCH2CH2SiOHOOHOOOOOOOHOSiSiSiSiSiSiSiCH2CH2CH2CH2CH2CH2CH2CH2CH2CH2CH2OHHOOHOHOHOHOOSiSiSiSiOOOOOCH2CH2OCH2CH2CH2CH2SiSiSiSiSiSiOOCH2CH2CH2CH2CH2SiSiSiSiOHOHOHOOHOHMeOOOHMeOOOHMeOOOHMeOOOHMeOOOHMeOOOHMeOOOHMeOOMetalOXSILAN9000seriesSilanetechnology硅烷技术14ModeloftheSilaneSi-O-Sipolymerframe硅烷膜层三维模型Quelle:InternetSilanetechnology硅烷技术15Products产品nReplacementforZincphosphatingorchromatizing取代锌系磷化或铬化nForsteelsubstrates冷轧板OXSILAN9810OXSILAN9810OXSILANAdditive9905nMultimetalapplication其他基材OXSILAN9812OXSILAN9810OXSILANAdditive9925nReplacementforIronphosphating取代铁系磷化nForsteelsubstrates冷轧板OXSILAN9800OXSILAN9800OXSILANAdditive9900nMultimetalapplications其他基材OXSILAN9802OXSILAN9800OXSILANAdditive992016Process:OXSILAN®treatmentOxsilan处理工艺Tanksrequired需要槽体数量:5Activetanksrequired:2Wastewater废水处理:approx.约2l升/m²Cleaning脱脂Rinsing水洗Rinsing水洗OXSILANDIMistRing去离子喷淋水洗DIRinsing去离子水洗17硅烷化工艺n温度:25-35°Cn电导率:5500µS/cmnpH值:3.8–5.5n硅烷点:12–16(滴定)n活化点:2.0–6(滴定)n膜重:10-40mg/m²有机部分20-80mg/m²无机部分1814Silanetechnology硅烷技术ProcesscharacteristicsOXSILAN®9000seriesn设备兼容性:好(无须改动)n多金属处理:好(钢,镀锌,铝,镁)n槽液寿命:12月n组分:建槽:2补充:2n参数控制:滴定法,pH值,电导率n槽液更换:依赖槽液溢流(以电导率控制)n膜重:10-40mg/m²有机组分20-80mg/m²无机组分n封闭水控制:过滤与离子交换n废水处理:石灰中和与过滤n渣:0,1g/m²在所有基材n电泳兼容性:好19ZincphosphateSilaneStructureoffilmcrystallineNanopolymerThicknessoffilm1-2µm1µmColouroffilmlightgreySteel:yellow/Zinc:blue/Al:mattgreyReactionoffilmbuildingcrystallisationchemicaladsorption/polymerisationFilmthickness1µmHOH:OHOHOHOSiOSiH2COHHOHOOOHCH2CH2OHOSiOH:OHOSiH2CH2CSiOH2CH2COSiCH2CH2SiOHCH2CH2SiCH2CH2OHCH2CH2OSiSiSiSiH2CCH2CH2CH2CH2CH2CH2CH2CH2CH2OSiOSiOOHHOSiCH2CH2OOOOOOOOSiOSiOOSiSiOOSiSiOSiOCH2CH2SiSiCH2CH2HOSiOSiOH:H2CCH2CH2SiOOSiCH2CH2SiSubstrateStructureofaSilanefilmFilmtickness1-2µmSEMpictureofaZincphosphatefilmSilanetechnology硅烷技术Comparisonofconversionfilmstructures20OXSILAN®treatedsurfaces不同基材处理后呈现不同颜色SteelElectro-ZincAluminium21Corrosiontestresults耐腐蚀试验结果nColdrolledsteel冷轧板Saltspraytest盐雾(DIN50021):1008hU2mm2C–waterpaintSaltspraytest(DIN50021):720hU2mmpowderpaintHumiditytest湿热(DIN50017KK):1000hU1mmpowderpaintCycliccorrosiontest循环腐蚀(DIN50017KFW):20CyklesU1mmpowderp.nGalvanizedsteel镀锌板Humiditytest(DIN5017KK):504hU1mmpowderpaintnAluminium铝板CASS–test铜加速盐雾(DIN50021):240hU1mmpowderpaintnAluminiumcast铝铸件Saltspraytest(DIN50021):1008hU1mmpowderpaint2212OXSILAN®9810treatment+E-coating(Cathodic)TestresultsZincphosphateSilaneZincphosphateSilaneCRS1008hSaltspraytestCRS10CyclescyclingcorrosiontestHDG10CyclescyclingcorrosiontestZincphosphateSilane23AdvantagesofOXSILAN®technologyOxsilan技术的优势nAmbienttemperature(reducedenergycosts)室温,降低能耗nVerylittlesludge渣少Picklingrateonsteel(Zincphosphate)冷轧板出渣量:approx.1000mg/m²Picklingrateonsteel(OXSILAN):approx.5mg/m²nLessequipment设备少nMulti-metalprocess可处理多种基材nLesscomponents所用组分少nNo
本文标题:硅烷-凯密特
链接地址:https://www.777doc.com/doc-5558551 .html