金属表面制备kh_硅烷膜涂层的工艺研究

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1、------------------------------------------------------------------------------------------------金属表面制备KH_560硅烷膜涂层的工艺研究金属表面制备KH－560硅烷膜涂层的工艺研究王雪明1，李爱菊1，李国丽2，王威强3，赵永辉3（1.山东大学工程陶瓷山东省重点实验室，山东济南250061；2.山东轻工业学院轻化与环境工程学院，山东济南250100；3.山东大学机械工程学院，山东济南250061）摘要：制备了有望取代磷化和铬酸盐钝化的KH56

2、0硅烷膜，采用红外反射吸收光谱（RAIR）分析KH560硅烷膜的成分和结构、电导率法在线监测硅烷偶联剂水解程度，以涂层拉伸法测试膜的结合强度，研究了影响该硅烷膜性能的各种制备工艺条件。试验研究表明不同水解试剂、硅烷溶液的浓度、水解时间和老化温度及时间等对膜的性能都有着明显的影响，其中水解试剂（水＋甲醇）、浓度10％左右、水解时间48h；老化成膜温度100~200??、时间1h，所获硅烷膜性能较好。同时还说明，水解时间对膜性能的影响要大于浓度对膜性能的影响。关键词：硅烷模；涂层；表面处理；结合强度中图分类号：O634.31;TH117文献标

3、识码：A文章编号：10079289(2004)06002705StudiesofthePreparationofKH-560SilaneFilmsonMetallicSurfaceWANGXue-ming1，LIAi-ju1，LIGuo-li2，WANGWei-qiang3，ZHAO——————————————————————————————————————--------------------------------------------------------------------------------------------

4、----Yong-hui3（1.KeyLabforEngineeringCeramicofShandongProvinceShandongUniversity，Jinan250061China；2.SchoolofLightChemicalandEnvironmentalEngineeringShandongInstituteofLightIndustry，Jinan250100；3.SchoolofMechanicalEngineeringShandongUniversity，Jinanshandong250061China）Abstr

5、act：InthispaperKH560silanefilmwasprepared,whichcanreplacethetraditionalpretreatmentofphosphateorchromate.TheinfluencingfactorsofpreparationtechnologyforKH560silanefilmswerestudied,includingthecomponents,structures,adhesivestrengthoffilm,andthehydrolysisdegreeofKH560coupli

6、ngagent.ThecomponentsandstructuresofKH560silanefilmwereanalyzedbythereflection-absorptioninfraredspectroscope,thehydrolysisdegreeofKH560couplingagentwasmeasuredbytheconductivitytestingmethodon-line,andthefilmadhesivestrengthwasinspectedbypull-offtestingmethod.Theresultsin

7、dicatedthatthepropertiesofthefilmweresignificantlyaffectedbyhydrolysissolvent,hydrolysistime,concentrationofKH560solution,ageingtimeandtemperature.Thebesttechnologyforpreparingthefilmwas:usingwaterandmethanolashydrolysisagent,10%concentrationofthesolution,48hoursforhydrol

8、ysis,100~200??and4hoursforageing.Atthesametime,theeffectofhydrolysistimeonthisfilmwasmoresensiti