溶膠凝膠法透明無(wú)機(jī)抗菌薄膜的制備及性能研究.pdf

1、浙江大學(xué)碩士學(xué)位論文溶膠凝膠法透明無(wú)機(jī)抗菌薄膜的制備及性能研究姓名：洪建和申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：材料學(xué)指導(dǎo)教師：葛曼珍楊輝2001.3.1塑蘭查苧!苧墨主竺竺蘭圣二鲞蘭蘭——AbstractMakingsurfaceantibacterial，antibacterialcoatingonproducts，isresearchedinthisthesisSilverdopedTi02andSi02filmsarepreparedongl

2、assthrou曲SolGelmethod，Ti(OC4H9)4andSi(OC2Hs)4arechosenasprecursorsrespectivelyandHN03iscatalyzerAgN03isthesecondcomponentforinductingsilverionSolandthesamplesareinvestigatedwithviscosityDTA，SEM，XRD，XPS，X—rayfluorescences

3、pectrum，UVVisspectrumandantibacterialtest，andtherelationbetweenstructureandpropertyisdiscussedHydrolysisandcondensationvelocitycanbecontrolledandSolwithgoodfilmingpropertyispreparedbychangingthematchingofwategcatalyzer，p

4、recursorandsolventetcinsolutionGoodmatchingratioisgoaenafterlotsofexperimentsandanalysis①Ti(OC4H9)4system：nH20／nTi(OC4H9)4=2：1，pH=45，nC2H50H／nTi(OC4H9)4=30～40：1。②Si(OC2H5)4system：nH20／nSi(OC2Hs)4=4：1，pH245，nC2H50H／nSi(OC

5、2Hs)4=2030：1。Transprentinorganicantibacterialfilmcanbeformedonglassplateunderthedroppingrate10cm／min，heattreatedat500。CCitricacidisusedforsilverdopedTi(OC4H9)4systemAccordingtoXPS，transmissionspectrum，silverisinAgstatein

6、thefilmafterheattreatmentinatmosphere；Ti02filmsheattreatedat500。Cand700。Cismostlyanatase，andduringheattreatmentNainglasswilldiffuseintofilmandAginfilmwilldiffuseintoglass，thevelocityincreaseswithtemperatureupAccordingtot

7、heexperimentstoEscherichiacoli，silvercanbeantibacterialbycontact，andtwopercentsilverdopedfilmcangetgoodantibacterialpropertyTi02filmisantibacterialthroughphotocatalysisTheabsorbedgeofsilverdopedTi02filmshiftstoshortwave，