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1、9基于纳米SiO2改性的镀锌薄板表面无铬耐指纹钝化技术汤晓东1,陆伟星2,孙晨阳1,吴晓红2,张千峰1(1.安徽工业大学分子工程与应用化学研究所,安徽马鞍山243002;2.上海宝钢梅山钢铁股份有限公司技术中心,南京211100)摘要:通常采用无铬耐指纹钝化表面处理手段提高镀锌板表面的耐指纹性能、耐腐蚀性能、自润滑性能和导电性能。结合国内外的相关研究结果,本文主要概述了耐指纹钝化的研究状况以及无铬耐指纹钝化液的主要组分,并对各组分的作用进行了介绍。功能性纳米填料—纳米SiO2,是使无铬钝化液具有耐指纹性的主要因素,其制备以及表面改性一直是耐指
2、纹钝化的重点研究,本文对其制备及改性进行了详细论述,并对无铬耐指纹钝化发展前景进行展望。关键词:镀锌板,无铬耐指纹钝化,纳米SiO2制备,表面改性Chromium-freeFingerprintResistantPassivationTechnologyBasedonNano-SiO2ModifiedSurfaceoftheGalvanizedSheetTANGXiao-dong1,LUWei-xing2,SUNCheng-yang1,WUXiao-hong2,ZHANGQian-feng1(1.InstituteofMolecularEng
3、ineeringandAppliedChemistry,AnhuiUniversityofTechnology,Ma’anshan,Anhui243002,China;2.TechniqueCenter,ShanghaiBaosteelMeishanIron&SteelCo.Ltd,Nanjing211100,China)Abstract:Fingerprintresistantchromium-freepassivationisadopetedasanimportantsurfacetreatmentmethodinimprovingthe
4、surfacecorrosionresistanceofgalvanizedsheet,fingerprintresistance,electricalconductivityandself-lubricationasusual.Combiningwiththerelevantresearchresults,wehavesummarizedtheresearchstatusoffingerprintresistantpassivationandthemaincompositionsofthefingerprintresistantchromi
5、um-freepassivationsolutionalongwithintroducingthefunctionofeachcompositioninthepaper.Nano-SiO2asakindoffunctionalnano-fillerisamainfactoroffingerprintresistantforchromium-freepassivationliquidowningfingerprintresistantperformance,preparationandsurfacemodificationofnano-SiO2
6、havebeenwelldiscussedforitsapplicationanddevelopmentinthefingerprintresistantchromium-freepassivation.Keywords:Galvanizedsheet,fingerprintresistantchromium-freepassivation,preparationofnano-SiO2,surfacemodification——————————————收稿日期:2014-07-25基金项目:校企产学研联合科技攻关项目(MS2013019)。作
7、者简介:汤晓东(1988-),男,安徽六安人,硕士研究生,研究方向:金属表面处理。通讯作者:张千峰,教授,E-mail:zhangqf@ahut.edu.cn。insouthwestofZhejiangProvincialCommitteeoftheparty'sstruggle,developdemocraticUnitedFrontagainstJapan,establishedthearmedforcesandtheanti-Japanesebasearea,decidedtoestablishtheCPCZhejiangCommitt
8、ee.InFebruary1939,withGuYuliang,SecretaryZhu,asMinister,JieXuintoapropagandaMinist