改性環(huán)氧樹(shù)脂基陰極電泳涂料制備及涂裝工藝研究.pdf

1、合肥工業(yè)大學(xué)碩士學(xué)位論文改性環(huán)氧樹(shù)脂基陰極電泳涂料制備及涂裝工藝研究姓名：聶孟云申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：應(yīng)用化學(xué)指導(dǎo)教師：李學(xué)良201204PreparationofModifiedEpoxyResinbasedCathodicElectrodepositionCoatingandResearchingtheCoatingProcessAbstractThecathodicelectrodepositioncoatingiSwidely

2、usedinthemetalsurfaceforcorrosionresistantanddecorativeOneofthemostcommonlyusedmatrixresinisepoxyresins，whichownsgoodchemicalresistance，inoxidabilityandotherpropertiesButitiSbrittlenessandinferiorsweatherresistanceButthe

3、epoxyresinbrittlelargeandpoorweatherresistance，SOcuringagenthastobeadded，whichwasmostcommonlyusedahightemperatureandtookalongtimetoaccomplishthecuringThemaincontentofthispaperisaboutusingthepolyetheneglycolandtheacrylice

4、sterstoimprovetheshortcomingsoftheepoxyresin，andpreparingthelowtemperaturereopenedthecuringagentThenIresearchedtheprocessofcathodicelectrodepositioncoatingusingthebeingpreparedcathodicelectrodepositioncoatingwithfavourab

5、leinoxidabilityandenvironmentalprotectionperformanceTheexperimentprovedthatthereactionofthegraftandexpansiontookplace，andthatthethermalstabilityhadbeenamarkedimprovementbyFT—IRandTGtocharacterizeIStudiedtheimpactofvariou

6、sfactorsonthecathodicelectrodepositioncoating’Semulsionandthefilmproperties，whichhavethetypeandamountofpolyetheneglycol，acrylaicestersmonomersandorgamcamines，andthereactiontemperatureandtimeofreactionTheemutionisprepared

7、bytheoptimizedexperimentalconditionwhichisthetotalmassofresin’S13～14％PEGl000，reactionin4hatthechainextentiontemperature90“C，co(AIBN)with036％andco(BPO)with072％，reactionin2hat95℃acrylatemonomerdroppingintothereactantsandth

8、enbeingheatedto105℃for2h，thepHvalueoftheemulsionstability(60士O3)ExperimentstudythatthetrimerperformanceisimpactedbytheproportionofTDIandIPDI，amountofcatalyst，andreactionconditionsAndexperimentoptimizedthereactionconditio