苯乙烯-馬來(lái)酸酐-丙烯酰胺二十醇酯的合成及降凝效果的研究.pdf

1、天津大學(xué)碩士學(xué)位論文苯乙烯馬來(lái)酸酐丙烯酰胺二十醇酯的合成及降凝效果的研究姓名：石承輝申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：化學(xué)工程指導(dǎo)教師：張香文曹曉梅20061201ABSTRACTThepaperisrelatedtothedevelopmentofpourpointdepressantofcnldeoilathomeandabroad，themechanismofpourpointdepressants，andthefactorsthatinf

2、luencedepressionesectsByorthogonaltest，wesynthesizethemesoproductthroughCOpolymerization，withthestyrene，maleicanhydrldeandacrylovamideasreactants，benzeneassolvent，benzoperoxideasinitiator，wnlcnareunderthedifferentmonomer

3、radio，temperatureandinitiatordosageIhen14一dimethybenzenesulfuricacidascatalyst，reactiontemperature120。C，reactiontime4hdistillingatlowatmospherewegetninekindsofpourPomtdepressantsstyrene／maleicanhydride／aeryloyamideandeic

4、osanolestercopolymerWiththehelpofpourpointdeterminingapparatus，theProPenlesofninekindspourpointdepressantsaremeasuredTheoptimalreactlonconditionsareinthefollowing：co—polymerizationpmocessn(styrene)：nfmaleicanhydride)：n(a

5、cyloy)=1：6：3，reactiontemperatum70。C，reactiontime8handinitiatordosagewasO5％(pergramLItisshownthatthepourPOIntdepressantdosageisO4％andheatingthecrudeoilof70“Cleadtodepressantofitspourpointfrom32。Cto18“CAtthesametime，withth

6、eapplicationofinfraredRayapparatusandGelPermeationChromatography，structureofproductisalsodiscriminatedandanalyzedKeywords：pourpointdepressant，CO。polymerization，styrene／malelcanhydride／acryloyamideandeicosanolestercopolym