接枝POE彈性體的制備及其在聚酰胺改性中的應(yīng)用研究.pdf

1、北京化工大學(xué)碩士學(xué)位論文接枝POE彈性體的制備及其在聚酰胺改性中的應(yīng)用研究姓名：王嵐申請學(xué)位級別：碩士專業(yè)：高分子材料指導(dǎo)教師：余鼎聲李天益2000.5.1北京化工大學(xué)碩士學(xué)位論文用紙ABSTRACTThereactivetechnologyisoneofthemosteffectivemethodstoimprovecompatibilityofpolymerandtoenforcereactionbetweendifferentdo

2、mainsInthispaperanewgraftingblendingsystem，graffingmodifiedpolyolefinelastomer(POE)，wasappliedtoNylonmodifiedItdevelopedanewmethodforNylon一6chemicallymodifiedThemethodforpreparingreactivecompatibilizers，POEg—GMA，wasstudi

3、edTheeffectofinitiatingagent，activemonomercontentandreactingtime，etcetera，onthegraftingratioofgeaftingmodificationpolyolefinelastomer(POEg—MAH)wasinvestigatedTherheologicalbehaviourofPOE—g—GMAondifferentprescriptionwasex

4、ploredwithrheogeniometerConditionsfoepreparingthereactivecompatibilizerswithgoodresultsweredisclosedThroughtwinextruder，theefficiencyofPOE—g—GMAondifferentprescriptiontomechanicalpropertyofNylon6wasevaluatedTheresultsdem

5、onstratethatgeaffingmodificationpolyolefinelastomer(POE—g—MAH)CanincreasetheimpactintensityofPA6markedlyTheIzodwasimprovedfrom812J／mto768J／m；enhanced176comparedwithnylon6Thechangesofmicrostructuresinnylon6aftermixingwith

6、reactivecompatibilizerswereoverservedwithscanningelectronicmicroscopeTheconsequenceisthatwithincorporatingofreactivecompatibilizersthereactionbetweendifferentdomainswasenforcedeffectivelyTheinfluenceofreactivecompatibili

7、zersonthecrystallinityandnucleatingofPA6、Vasexaminedwiththeuseofdifferentialscanningcalorimetry①sc)TheresultsshowedthatPOE—gGMAha～etheeffectintheincreasingthecrystallinityandthenucleatingrateofPA6Theglasstransitiontemper