納米MC顆粒在溶劑中分散穩(wěn)定性的研究.pdf

1、南京理工大學(xué)碩士學(xué)位論文納米MC顆粒在溶劑中分散穩(wěn)定性的研究姓名：賈魏瑋申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：高分子化學(xué)與物理指導(dǎo)教師：車(chē)劍飛20120315Abstract碩上論文AbstractInordertoimprovethedispersionstabilityofMCnanoparticleinphenolicresin，thesurfaceofMCnanoparticlewasmodifiedbythreetypesofdispers

2、ants：thehyperdispersanttheZircoaluminatecouplingagentandthealkylcarboxylatesinthispaperDifferenthyperdispersantshavebeenusedtomodifythesurfaceofMCnanoparticle，andthequadripolymerwhichWaschosenbythetestofviscosityaboutthe

3、system，WasthebestonetoimproveitsdispersionstabilityinthesolventWhenthemodifierdosageWas2wt％，theoptimumtechnologicalconditionwagobtainedTheZircoaluminatecouplingagentWasselectedasdispersant，mailllybecausethereismoreinorga

4、niccharacteristicsinitsmoleculethathasmoreinorganicreactivesites，whichCallstrengthenthesurfaceeffectbetweennanoparticleandthedispersant，SOthenanoparticlewillnotaccumulateeasilyIRUVTEM，SedimentationexperimentViscosimetryw

5、ereusedtocharacterizethedispersibilityofMCnanoparticleTheresultsshowedthatwhenthemodifierdosagewas5wt％，theMCnanoparticlecouldbestdisperseinthesolventThedispersionstabilityoftheMCllano—particlewiththesurfactantofalkylcarb

6、oxylatesWasquantitativelyexaminedComparedwiththoseMCnanoparticledispersedbythesurfactantofhyperdispersantandZircoaluminatecouplingagent，thenanoparticlewiththealkylcarboxylateshavefarimproveddispersionstabilityItisworthno

7、tingthatallthesethreedispersantswereusedintwoways：thedirectadditionmethodandthepretreatmentmethodInterestinglythepretreatmentmethodWasfoundmoreeffectivetoimprovethedispersionstabilityofMCllanOparticleKeywords：n剮∞一particl