聚合物-納米碳酸鈣復(fù)合材料的制備及性能.pdf

1、北京化工大學(xué)碩士學(xué)位論文聚合物納米碳酸鈣復(fù)合材料的制備及性能姓名：葉露申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：高分子化學(xué)與物理指導(dǎo)教師：李效玉2002.5.29北京化工大掌碩士掌位論文ABSTRACTCalciumcarbonate，acommonfiller，hasbeenusedinmanyfieldssuchasrubber，coating，papermakingandcommodityBecausethehydrophilicandoil‘ph

2、obiccharacteristicofthesurfaceofCaC03granuleandtheapparentinclinationtoagglomerate，CaC03powdercannotbedirectlyusedwithoutprevioussurfacemodificationSomesurfacemodificationmethodshavebeenadoptedindustriallyWiththeriseofth

3、enanometerscience，theproduceofnano—CaC03wasfulfilledrecentlySincethesmallergranulebringthemoreseriousagglomeration，itputforwardthenewrequirementofsurfacetreatmenttOexploittheapplicationofnano—CaC03Inordertogetthisgoal，th

4、eresearchwasfocusontwoparts1、surfacetreatmentandfillinginplasticsAfteragreatdealofexperiments，theappropriatesurfactantisconfirmedasanacrylicmultipolymerTherightpolymerizationmethodisestablisheddependingonthestudyoftheeff

5、ectsofmonomeracid，emulsifiersandlatexconcentrationonfinalcompositeperformanceThetreatednano—CaC03wasaddedtojointhepolymerizationofchloroethylenemonometerBymeansofinsitususpensionpolymerization，thePVC／llano—CaC03composite

6、wasobtmnedTEMphotoshowsthedispersionofnano—CaC03inpolymermatrixWasperfectandtheimpactresistanceisimprovedsignificantly2、theapplicationinbuildingcoatingThedispersionofnano—CaC03inlatexisthekeytopreparethenovelbuildingcoat

7、ingTosolveit，thelatexthatmatchesthenano—CaC03issynthesizedrelyingonnumerousexperimentsThetestshowsmanyperformancesofnovelcoatingusingthenano—CaC03asanimportantpigmentalesharplybetterthanthoseofcommoncoatingusingthelightC