有機蒙脫土在橡膠中的耐磨機理及應(yīng)用研究.pdf

1、青島大學碩士學位論文有機蒙脫土在橡膠中的耐磨機理及應(yīng)用研究姓名：單春鵬申請學位級別：碩士專業(yè)：材料學指導教師：彭智20110610AbstractSeveralkindsofnanocompositematerialshavingexcellentperformancewerepreparedbytraditionalmechanicalblending、耐也differentspeciesoforganicmontmorillonit

2、e(OMMT)andrubbers，accordingtoexperimentalresults，themacromorphologyofwornsurfaceandmicroscopicstructureofnanoslicelayeranalysisasresearchmethod，thewearresistantmechanismofOMMTinrubberasresearchpurpose，anditlaidthefoundat

3、ionforfurtherapplicationoforganicmontmorilloniteinindustrialproductionThemaincontentsaresummarizedasfollows：1Threekindsofnanocomposites(NR／OMMTBR／OMMTandEPDM／OMMT)werepreparedbymechanicalblendingwithfivedifferentkindsofh

4、omemadeOMMTbyourownlaboratory，andthemechanicalproperties，abrasionresisitence，curecharacteristicsandthesurfacemorphologyafterwearofcompositeswerecomparativeanalyzed，investigatedtherelationshipofthespeciesofOMMTandrubbers，

5、thebestoverallperformanceandsuitedtononpolarrubberof24OMMTWasselectedWhentheloadingsofOMMTwereonly30partsperhundredsofrubber(phr)，themechanicalpropertiesofallcompositeswereimprovedgreatlyandtheAkronwearvolumeswerereduced

6、bymorethan55％，thetypicalridgelikeweal“pattemsemergedontheweal“surface，andpatternsbecomemorefineandsubtle2ThecompletelyexfoliatedOMMT／NRnanocompositeswithuniformdispersioninNRmatrixwereconfirmedbyTEMTheimpactof2#OMMTconte

7、ntsweremianlyinvestigatedonthecompositesproperties，andcompared州ththeperformanceofHAFcarbonblackN330TheresultsshowedmechanicalpropertiesandthermalstabilityofNR／OMMTnanocompositesincreasedsignificantlywitIltheadditionofOMM

8、TcontentandmuchhigherthanthatofthepureNRincomparisonwiththeidenticalHAFcarbonblackN330，thereinforcementeffectofOMMTWasbetterInadditiontheAkronwearvolumeofcomposite、^，i廿130phrOMMTWasequivalenttothatof210phrHAFcarbonblackN

9、330ItdemonstratedthattheimprovementofOMMTonwearresistanceofnaturalrubberWasmoresignificant，itmainlyrelatedtogoodbarrierpropertylubricityandcompatibilityofthedispersedOMMTlayers，reducedthemobilityofthemolecularchainsegmen

10、tandtheabilitytocrackpropagation3111eeffectsofdifferentcontentof2。OMMTonthepropertiesofNR／SBRandNR／BRblendswerestudied，theresultsshowedOMMTactedassimilarvulcanizationacceleratorandtheefficiencyofvulcanizationandproductio