重質(zhì)碳酸鈣表面改性及其在聚合物中的應(yīng)用.pdf

1、蘭州大學(xué)碩士學(xué)位論文重質(zhì)碳酸鈣表面改性及其在聚合物中的應(yīng)用姓名：李小云申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：化學(xué)高分子化學(xué)與物理指導(dǎo)教師：郭金山20080501AbstractGroundcalciumcarbonate(GCC)isonekindofordinarynonmetallicmineralmaterialsItiswidelyappliedtomanyindustrialareassuchasrubberplastics，coating

2、andSOonBecauseithasthenatureoflargespecificsurface&rcaandhighsurfaceenergyitiseasytobecomeagglomerateamongparticlesWhenGCCisfilledinorganicbasicbodydirectlyorwilhllighquantityitisdifficulttodisperseuniformlywhichresultsi

3、ndescentofsomepropertiesofcompositesbecauseoftheirpoorinterfacialinteraction；anditwillaffecttheperformanceandqualityofpresentcoatingwhenGCCisapplieddirectlytocoatingInordertoenlargetheapplicationfieldofGCC，thesurfaceofGC

4、CmustbemodifiedtoadjustitspolaritydescendsurfaceenergyandreinforceitscompatibilitywithorganicbasicbodyThedispersibilityofGCCintoorganicbasicbodyandthepropertiesofcompositeswouldbeimprovedThispaperreviewedthetechnologiesa

5、ndtrendsofsurfacemodificationofultra—fineinorganicpowderFocusedonthesurfacemodificationprinciple，modificationmethods，typesofmodifierandtheapplicationofheavycalciumcarbonateintherelevantfieldGroundcalciumcarbonateappliedt

6、opolyethyleneandoilcoatingwasmodifiedrespectivelywiththegraftedproductofpolyethylenewaxwithmaleicanhydride(PEWMA)andthecopolymerofioctylacrylateandacrylicacid，themodifiersweresynthesizedbymyselfThetechnologicalconditions

7、wereoptimizedandthemodificationmechanismofgroundcalciumcarbonateWasalsoinvestigatedThemodifiedeffectofGCCwasprovedbyFHR，TEM，viscositydispersedintheorganicsolventoilabsorptionnumberwettingcontactangleandSOonGroundcalciumc

8、arbonateappliedtowaterbasedcoatingwasmodifiedwiththedepositionoftitaniumdioxideandbariumsulfateintogroundcalciumcarbonatebasedontheprincipleofLiquidPhaseDeposition，whichWasdesignedbymyselfTEMresultsshowedthattheexperimen