HDPE氯化原位接枝順丁烯二酸酐共聚物的合成、性能和應用.pdf

1、青島科技大學碩士學位論文HDPE氯化原位接枝順丁烯二酸酐共聚物的合成、性能和應用姓名：馬衍青申請學位級別：碩士專業(yè)：材料學指導教師：趙季若20090418ABSTRACTSYNTHESIS，PROPERTIESANDAPPLlCATloNoFHDPEGRAFTEDMAHⅥAINSlTUCHLoRINATlNGGRAFTlNGCoPOLYMERIZATIoNABSTRACTAnewkindofgraftcopolymerizationme

2、thod，insituchlorinatinggraftcopolymerization(ISCGC)，wasemployedtomodifyhigh—densitypolyethylene(HDPE)謝thmaleficanhydride(MAn)inthispaperTheproductsynthesizedWasnamedaspolyethylenechlorinate，graftmaleficanhydridefPE—cg—MA

3、H)whichWascomposedofHDPEasbackboneandMAHasbranchedchainsWithoutanyinitiatorswereaddedintoreactivesystem，chlorineradicalsderivedfromthedecomposedchlorinemoleculewereusedastoinitiategraftingreactionofHDPEThegraftcopolymero

4、fpolyethyleneCallbeobtainedwithfunctionalizedofMAHgroupThestructureofPE—cgMAHwascharacterizedby1HNMRFTIRTheresultsofFT瓜，1HNMRindicatedtheexistenceofPEcg—MAHwhichverifiedthefeasibilitytomodifyHDPE謝thMAIlbyISCGC，Apossibler

5、eactionmechanismofHDPEreacted誦tllMAHbyISCGCWasproposed，Theresultsofgelcontentandviscosityaveragemolecu1arweightshowedthatthereWasnothereactionofcross—linkandthedegradationinthestructureofPE—cg—MAHpreparedbyISCGC，Thecryst

6、albehaviorofPEcgMAHWascharacterizedbyXrayandDSC，theresultsofwhichshowedthatthecrystallinityofgranpolymersdroppedduetothebranchedchainofMAHgroupcomparedwithHDPEFurthermore，theeffectsofreactionconditionincludingreactiontem