有機硅改性丙烯酸酯微乳液的合成與性能研究.pdf

1、華南師范大學(xué)碩士學(xué)位論文有機硅改性丙烯酸酯微乳液的合成與性能研究姓名：張臣申請學(xué)位級別：碩士專業(yè)：高分子化學(xué)與物理指導(dǎo)教師：張力李國明20040601華南師范夫?qū)W碩士學(xué)位論文AbstractSiloxane—modifiedacrylatecopolymermicroemulsionsweresynthesizedbyseedingemulsionpolymerizationTheyweretransparentortranslucen

2、tandbluish，andhadgoodmechanicalstabilitychemicalstabilityfreeze—thawstabilityandstoragestabilityThediameterofmodifiedmicroemulsionparticleswascontrolledattherangeof20～80nmandtheparticlesizedistributionWaSrelativelynarrow

3、Thesiloxane—acrylatecopolymerfilmsweresmoothandcompact，possessedofgoodwaterresistanceandthermal—stabilityTherearewideforegroundtoapplythesiloxanemodifiedacrylatemicroemulsioninmanyfieldssuchascoatingsofbuildingsprotectin

4、gcomingsinindustryfinishingcoatingsofleatherandfabricTheacrylatecopolymermicroemulsionswimmeandiameterofabout40hmweresynthesizedbyredoxinitiatorsystems，Thebetterconditionforthesynthesisofacrylatecopolymermicroemulsionwas

5、theapplicationoftheseedingemulsionpolymerizationmethodandthecompositesurfactantofSDS／TS一02ThemeandiameterofmicroemulsioninitiatedbyAPS／TMEDAWaSclosetothatofmicroemulsioninitiatedbyAPS／HSH，whiletheformereasilyinducedgelar

6、ationBasedontheexperimentalexperienceofchapter2，thesynthesisofsiloxane—modifiedacrylatecopolymermicroemulsionsWascompletedbythethermalinitiatorofKPSandthechoiceofnewsiloxanemonomerofC一1706Theeffectofpolymerizationmethods

7、，theTS一02／SDSmassratioandthecontentofsiloxaneonthepolymerizationandpropertiesofmicroemulsionwereinvestigatedTheresultsindicatedthatthecontentcouldbeuptO35％withmeanparticlesizeof820nmatlowcompositesurfaetantconcentrationo

8、f25％and65～75℃ComparedwiththermalinitiatorthemeanparticlesizeofthemodifiedmicmemulsioninitiatedbyredoxsystemwassmallerItdecreasedwitIltheincreaseoftheamountofsurfactant，monomerconcentrationandtheVTIS／monomerratio，butincre