溫敏兩親性接枝共聚物hpamgpnipacodmamcoc,12am的合成與性能研究

1、天津大學(xué)碩士學(xué)位論文溫敏兩親性接枝共聚物HPAMgP（NIPAcoDMAMcoCAM）的合成與性能研究姓名：白榮光申請學(xué)位級別：碩士專業(yè)：材料學(xué)指導(dǎo)教師：郭睿威20070101ABSTRACTThegraftcopolymersHPAM—gP吖IPAcoDMAMCOC12AM)withdifferentsidechaincompositionandmolecularmassweresynthesizedbymacromonomermet

2、hod，F(xiàn)irstlyaminoendP(NIPA—CODMAM—co—CI2AM)waspreparedbycopolymerizationofNdodecylacrylamide(Ct2AM)，Nisopropylacrylamide(NIPA)andNⅣdimethylacrylamide(DMhM)bYusing2aminoethanethiolhydrochlondeaschaintransferagentandthenmac

3、romonomersP(NIPACODMAM—coC12hM)withacrylamidoendgroupwereobtainedbyreactingwithacryloylchloride；SecondlymacromonomerswerecopolymerizedwithacrylamideandthenhydrolysizedunderbaseconditionThecompositionsofthesidechainandgra

4、ftcopolymerswerecharacterizedby1HNMRThecloudpointtemperaturesofsidechainpolymerswerestudiedasafunctionofcomposition，concentrationandaddedsaltconcentrationTherheologicalcharactersofthegraftcopolymerswerestudiedbyRS600Rheo

5、meterunderdifferenttemperature，shearrate，polymerandsaltconcentrationsTheresultsshowthatthegraftcopolymershavesignificantthermothickeningpropertieswhentheirconcentrationabove1Og／L，theconcentrationofNaClisat025mol／LTheasso

6、ciationtemperatureofgraftcopolymersisveryclosetothetemperatureofcloudpointThethermothickeningextentisimprovedbytheincreaseofpolymerconcentration，graftratioandthemolecularmassofmainchainItwasalsoimpactedbysaltconcentratio

7、nandthecompositionofsidechainsThesethermothickeningamphiphilicgraftcopolymersareexpectedtobeusedinoilrecoveryindustryasanoveltemperatureandsalt一resistancepolymerfloodingagentvaryingwiththecompositionofsidechainsKeywords：