PlatingandFinishingApr.2023Vol.45No.4SerialNo.361基板表面形貌对镀锡板润湿能力影响的研究万一群1,齐韦2*,沈鹏杰1,杨鸿建1,张文亮1,潘红良2(1.首钢京唐钢铁联合有限责任公司镀锡板事业部,河北唐山063200;2.上海务宝机电科技有限公司化工环保部,上海200940)摘要:针对镀锡板在印铁涂布过程中出现的缩孔缺陷,同时解决镀锡板表面润湿能力偏低的问题,采用接触角和达因笔的测试方法,研究了基板表面形貌影响镀锡板表面润湿能力的原因。结果表明:基板表面形貌中峰谷的分布状况对镀锡板的表面能和润湿性存在重要的影响,基板的比表面积越大,镀锡板的表面能越大,基板表面的峰谷直径比越小,镀锡板与涂料的接触角越小。对不同表面形貌的镀锡板进行印铁试验,表面能>32mN/m的镀锡板可避免缩孔,通过改变基板的表面形貌可大幅提升镀锡板的表面润湿能力。关键词:镀锡板;缩孔缺陷;润湿性;接触角;表面能;基板;表面形貌中图分类号:TQ153.2文献标识码:AStudyonblackplatesurfacemorphologyeffectonwettabilityfortinplateWanYiqun1,QiWei2*,ShenPengjie1,YangHongjian1,ZhangWenliang1,PanHongliang2(1.TinPlatingDivision,ShougangJingtangIronandSteelUnionCo.,Ltd.,Tangshan063200,Chi‐na;2.MinistryofChemicalIndustryandEnvironmentalProtection,ShanghaiWubaoMechatronicTechnologyCo.,Ltd.,Shanghai200940,China)Abstract:Inviewoftheshrinkagedefectsonthetinplatesurfacewhichoftenappearintheprocessofprintingandcoating,inordertosolvetheproblemoftinplate’slowwettability,theinfluenceofblackplatesurfacemorphologyonthewettabilityoftinplatewasstudiedbycontactangleandDynepen.Theresultsshowthatthedistributionofpeaksandvalleysinthesurfacemorphologyofblackplatehasanimportantinfluenceonthesurfaceenergyandwettabilityoftinplate.Thelargerthespecificsurfaceareaoftinplateis,thegreaterthesurfaceenergyis.Thesmallerthepeak-to-valleydiameterratiooftinplateis,thesmallerthecontactanglebetweentinplateandcoatingis.Onthedifferentsurfacemorphologyoftinplateprintingandcoatingtest,thetinplatewithsurfaceenergy>32mN/mcanavoidshrinkagedefects,andthewettabilityoftinplatecanbegreatlyimprovedbychangingthesurfacemor‐phologyofblackplate.Keywords:tinplate;shri...