改性sma的合成及其對塔河tk1257原油的降粘作用

1、中國石油大學(xué)（華東）碩士學(xué)位論文改性SMA的合成及其對塔河TK1257原油的降粘作用姓名：張志強申請學(xué)位級別：碩士專業(yè)：化學(xué)指導(dǎo)教師：姜翠玉201205ABSTRACTWiththeminingofconventionaloil，heavyoilresourcetakesuplargerandlargerproportion，SOthedevelopmentofheavyoilisgettingmoreandmoreimportantD

2、uetohighviscositypoorliquiditytominingandtransportationheavyoilbringstremendousdifficultiesAsaresult，researchonheavyoilviscosityreducerisofimportanttheoryandpracticalsignificanceStyrene—maleicanhydridebinarycopolymer(SMA

3、)wassynthesized，andtherelativemolecularmass(representationbyintrinsicviscosity)ofSMAwasdeterminedThenSMAWasmodifiedbyesterificationandamination，andtheproductswereusedtoresearchonviscosityreductionforTKl257heavyoilThestru

4、ctureperformancerelationshipofviscosityreducerwaspreliminarilyanalyzedFirst，eachexperimentalconditionofsynthesizingSMAWasdiscussedItCanbeseenthattheintrinsicviscosityofSMAWasinfluencedbymonomerratio，reactiontemperature，d

5、osageofinitiatorandsolventdropingwayofmaterials，thechaintransferagent，reactiontimeandSOonTheoptimumsynthesisconditionforSMAWas：reactiontemperature70theinitiatoraccountsfor2％0ofthetotalweightofmonomertoluenesolventaccount

6、sfor60％ofthetotalweightofsystem，n(St)：n(MA)=2：l，reactiontime2hAndSMAWascharacterizedandanalysedbyIRThen，SMANwassynthesizedthroughthemodificationofSMAbyesterificationandaminationThefactorsofinfluencingthemodificationwerei

7、nvestigated，andtheoptimummodificationconditionsweredetermined：n(C16)：n(MA)=l；n(n—butylalcoh01)：n(MA)=16：1，thedosageofcatalystofesterificationreaction4％，n(nbutylamine)：n(nbutylalcoh01)=1：4[bothtotalamountn(n—butylalcoholn

8、butylamine)=16n(MA)】Attheoptimummodificationconditions，theviscosityreductionrateofviscosityreduceratabout45％，andtheviscosityreducerWaSanalyzedbyIRTheinfluenceofaddedamount，temperatureandthinoilOiltheheavyoilviscosityredu

9、ctionwasinvestigatedTheconditionsweredetermined：dosageofviscosityreducer1000lgg一，temperatureofaddingreducer50“C，n(crudeoil)：n(thinoil)=l：1Viscosityreducerblendingwithsurfaceactiveagentandpourpointdepressantwasusedforheav