氧化鋅-聚合物復合微粒材料的制備及抗菌特性研究.pdf

1、⑧天津大驀博士學位論文一級學科：材料科學與工程學科專業(yè)：材料學作者姓名：唐一軍指導教師：成國祥教授天津大學研究生院2005年12月ABSTRACTZincoxideparticleshaveexhibitedantibacterial，absorbableandshieldingultravioletfunctionsZnO／polymercompositeparticlespreparedbyspecialpolymerization

2、processcarlimprovethedispersibilityofZnOparticlesInaddition，itcanintegratetheeminentabilitiesofinorganicandorganicmaterialsintothecompositematerialsInthisthesis，preparationpropertiesandapplicationsofZnOnanoparticles，surf

3、acemodificationofnanoparticles，preparationofinorganicpolymercompositenanoparticles，emulsionpolymerizationintheexistenceofnanoparticlesaswellasthepropertyandapplicationofinorganicantibacterialmaterialswereexpatiatedZincox

4、ideparticleswerepreparedbyhomogeneousprecipitationmethodandmodifiedwi廿ldifferentmethodsOnthebasisofaboveprocessZnO／polymercompositeparticleswerepreparedbyin—situpolymerizationandsoaplessemulsionpolymerizationTheresulting

5、zincoxideparticlesandcompositeparticleswerecharacterizedbytransmissionelectronmicroscopy(TEM)，scanningelectronmicroscopy(SEM)，infraredspectrum(FT—IR)，nuclearmagneticresonancespectroscopy(NMR)，gelpermeationchromatography(

6、GPC)，X—raydiffraction，laserparticlesizeanalyzerdynamiccontactangleanalyzerthermogravimetricanalyzer(TGA)specificsurfaceareaanalyzer，UVVIBspectrophotometerxrayphotoelectronspectroscopicanalysis(XPS)，atomicabsorptionanalys

7、isandSOonItwasshowedthattheparticlespreparedbyhomogeneousprecipitationmethodweresmallandpresentedfinedistributionThesizeofparticleisinfluencedbyrmioofreactionpartners，surfactant，reactiontemperature，reactiontimeandposttre

8、atmentprocessZnOparticlesweremodifiedbyPMMAinaqueoussolution，whichcarlenhancedispersionofparticlesinaqueoussystemWithmodifiedZnOparticlesasseeds，soaplessemulsionpolymerizationwascarriedoutThePStoligomerswereabsorbedandtr

9、appedonthesurfaceofZnOparticlesConsequently，ZnO／PStcompositeparticlesweresynthesizedTheresultsshowedthatsilanecouplingagentCanreactwith—oHgroupsOnthesurfaceofZnOparticlesTheorganicchainsgraftedontheparticlesurfaceimprove