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1、PREPARATIoNoFPOLYACRYLATEMoDIFIEDWATER．BoRNEPoLYURETHANECoATlNGSMoDIFIEDWlTHPOLY_ARYLATEINWooDENFURNITUREABSTI礬CTWiththestrongdemandforprotectingenvironmentwater—bornecoatingsoflowVOCwerestudiedinthecoatingsindustry．Butwater—bornepolyurethaneusedinwoodenfurniturehassomeshortcomingsinhardnessandwate
2、rresistance．InordertOimprovethehardnessandwaterresistance，prescriptionofwater—bornepolyurethaneandcontentofitscompositionweredoneInordertopreparewater—bornepolyurethaneemulsionusedtowoodenfurnitare，polyesterglycolwerepreparedfirstlyPolyesterglycols(molecularweightof1000)weresynthesizedbyethylenegly
3、colandmixtureofphthalicanhydrideandadipiCacid(molarratio=40：60)，withmolarcontentofglycolexcess15％，andhighvacuumtime8h．Theresultofexperimentation：theproducehavethesamemolecularweightaSthedesignedstandardofmaterial，andWater—bornepolyurethaneemulsion’ShardnessiS5betterILcontentThroughextendethanothers
4、werestudiedoftheeffectsofmajorfactors，suchasofDMBA，contentofchainextenderandNCO／OHtheexperiment，ther，andNCO／OHrati01bestcontentis7％DMBA．15％ratl0．chain2：1．ButitiSnoobviousimprovementinwaterresistance，Sopolyacrylatemodifiedwater—bornep01yurethaneWaSstudiedinthiSpaperConsideredthatthemixtureiSthebests
5、ynthetiCmethodpolyacrylatemodifiedwater—。bornepoly——urethaneemulsionwithqualifiedhardnessandimprovedwaterresistancecanbepreparedbystudyingitsinfluencefactorsonconditionthatPA／PUmassrati0iS60：40．BecausePolyacrylateemulsion’SvitrificationpointiShigherthanroom—temperature，wemustaddfiImassistanttoreduc
6、evitrificationpointofpolyacrylatemodifiedwater～bornepolyurethaneInconclusion，water—bornepolyurethaneiSproducedmodifyingpolyacrylate，whichovercomesdifficultiesofhardnessandbadwaterresistanceofwater—bornecoatingswoodenfurniturebylow●1nKEYWORDS：water—bornepolyurethanecopolyesterglycolhardnesswaterresi
7、stance6北京化工大學(xué)碩士學(xué)位論文符號說明揮發(fā)性有機物甲苯2，4一二異氰酸酯苯二甲撐二異氰酸酪已二異氰酸酯異佛爾酮二異氰酸醑異氰酸酯基團水性聚氨酯樹脂丙烯酸樹脂二羥甲基丙酸臨界膠束濃度玻璃化溫度CI眥O隊C砌脅硒肪"№阿豫咖叫強北京化工大學(xué)學(xué)位論文原創(chuàng)性聲明y737215本人鄭重聲明：所呈交的學(xué)位論文，是本人在導(dǎo)師的指導(dǎo)下，獨立進行研究工作所取得的成果。除文中已經(jīng)注明引用的內(nèi)容外，本論文不含任何其他個人或
