HDPE氯化原位接枝順丁烯二酸酐共聚物的合成、性能和應(yīng)用.pdf

1、青島科技大學(xué)碩士學(xué)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(yīng)用姓名：馬衍青申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：材料學(xué)指導(dǎo)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