设计论文_阴极电泳涂料的制备研究 定稿

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1、山东科技大学本科毕业设计(论文)阴极电泳涂料的制备研究摘要阴极电泳涂料作为一种环保型的水性涂料,具有广阔的应用前景。在此采用封闭的甲苯二异氰酸酯作为固化剂制得了环氧树脂阴极电泳涂料,同时对环氧树脂阴极电泳涂料的配方和工艺、电泳涂装过程进行了研究，探讨了合成树脂的反应条件,并对所得阴极电泳涂料的性能进行了测试。结果表明,在适宜的电泳工艺参数下,可以得到外观光滑平整,综合性能优良的漆膜,并系统地探讨了电泳工艺参数对涂膜性能的影响。关键字：阴极电泳涂料，环氧树脂，封闭交联剂，漆膜山东科技大学本科毕业设计(论文)AbstractAsanenvironment-protecti

2、ngwater-bornecoating,thecatholicelectrophoreticcoatinghaswideapplicationprospects.Thecathodicelectrophoreticcoatingofepoxyresinwaspreparedwithblockedisocyanateascuringagent.andtheformulation,technology,electrophoreticcoatingprocessofthetitlecoatingswasdiscussed，reactionconditionofthesyn

3、thesisofresinwasinvestigated,andpropertiesoftheobtainedelectrophoreticcoatingweretested.Theresultsshowthatthecoatingfilmwithflat,smoothandexcellentperformancecanbeobtainedundertheconditionofappropriateelectrophoreticparameters.Theinfluenceoftheparametersofelectrophoreticprocessontheprop

4、ertiesofpaintfilmswerestudiedsystemically.Keywords：cathodicelectrophoreticcoating；epoxyresin；lockedcrosslinkinganent；paintfilm山东科技大学本科毕业设计(论文)目录1文献综述··························11.1阴极涂料发展概述···················11.1.1涂料的应用和发展··················11.1.2涂料的分类····················41.2涂料的基本组成及其作用···

5、·············41.3电泳涂装的机理及发展情况···············61.3.1电泳涂料的发展概况···············61.3.2电泳涂装的过程··················71.3.3电沉积机理···················91.3.4电泳涂料今后发展················101.3.5国内外阴极电泳涂料的发展现状·········121.3.6目前阴极电泳存在的问题············131.4阴极电泳涂装与阳极电泳涂装的优势比较··········131.5本课题研究目的与意义··············

6、···161.6山东科技大学本科毕业设计(论文)本课题研究的主要内容·················162实验部分·························172.1实验药品及仪器····················172.1.1实验药品······················172.1.2实验仪器·····················182.2封闭的甲苯二异氰酸酯的合成工艺············182.2.1己内酰胺封闭TDI的反应工艺流程图········192.2.2实验步骤····················192.3环氧基料树脂的

7、合成工艺···············192.3.1树脂制备步骤··················192.3.2阴极电泳涂料及涂膜的制备············202.3.3涂膜前处理工艺流程图·················212.3.4本实验中电泳槽液的工艺参数及涂装条件·······212.4各项性能检测与分析方法················22山东科技大学本科毕业设计(论文)2.4.1环氧值的测定方法················222.4.2各试样电泳漆膜性能测试方法············233结论与讨论············