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1、石油學(xué)報(bào)(石油加工)2006年6月ACTAPETROLEISINICA(PETROLEUMPROCESSINGSECTION)第22卷第3期文章編號(hào):10018719(2006)03009106醇解型柴油降凝劑的合成及其應(yīng)用SYNTHESISOFALCOHOLYSISDEPRESSANTANDITSAPPLICATIONFORDIESELFUEL12111于海蓮,齊邦峰,王璐璐,曹祖賓,胡震12111YUHailian,QIBangfeng,WANGLulu,CAOZubin,HU
2、Zhen(1.遼寧石油化工大學(xué)石油化工學(xué)院,遼寧撫順113001;2.中國石化撫順石油化工研究院,遼寧撫順113003)(1.SchoolofPetrochemicalEngineering,LiaoningUniversityofPetroleum&ChemicalTechnology,Fushun113001,China;2.FushunResearchInstituteofPetroleum&Petrochemicals,SINOPEC,Fushun113003,China)摘要:合成了丙烯酸酯(AAE)、馬來酸酐
3、(MA)和醋酸乙烯酯(EA)三元共聚物的醇解型柴油降凝劑,考察了該降凝劑的降凝助濾效果及最佳反應(yīng)條件,初步討論了其降凝機(jī)理。以0.6%(質(zhì)量分?jǐn)?shù),以下同)的對(duì)苯二酚為阻聚劑,1.5%的對(duì)甲苯磺酸為催化劑,n(十六醇)n(丙烯酸)=1.01.6,合成AAE;以甲苯為溶劑,1.2%的過氧化苯甲酰為引發(fā)劑,n(MA)n(EA)n(AAE)=144,恒溫85,聚合7h,得三元共聚物;以1.5%的對(duì)甲苯磺酸為催化劑,用碳數(shù)16的脂肪醇醇解三元共聚物,得到醇解型降凝劑。結(jié)果表明,當(dāng)降凝劑添加量為500g/g時(shí),可使撫
4、順石油一廠、二廠、三廠5#柴油的凝點(diǎn)分別降低16、19、18,冷濾點(diǎn)分別降低5、7、6。關(guān)鍵詞:醇解型柴油降凝劑;合成;凝點(diǎn);冷濾點(diǎn);降凝機(jī)理中圖分類號(hào):TE624.8+1文獻(xiàn)標(biāo)識(shí)碼:AAbstract:Thesynthesisofthealcoholysistripolymerdepressantfordieselfuelswithmaleicanhydride(MA),ethyleneacetate(EA)andacrylicalkylester(AAE)werecarriedout.Theeffecto
5、fSPandCFPPdepression,optimumreactionconditionandthemechanismofthedepressantwereinvestigated.TheAAEwasproducedbyusingpbenezenedride(0.6%massfraction),cetylalcoholandacrylicacid(moleratioof1.01.6)asrawmaterials,pmethylbenezenesulfonicacid(1.5%massfraction)asthec
6、atalyst.Thetripolymerwasproducedbyusingmethylbezeneassolvents,MA,EAandAAE(moleratioof144)asrawmaterials,dibenzoylperoxide(1.2%massfraction)asinitiator,attheconstanttemperatureof85andpolymerizationtimeof7h.Thealcoholysistripolymerwasalcoholyzedbycetylalcoholund
7、erthepresenceofpmethylbenezenesulfonicacid(1.5%massfraction).Atthesaidcopolymer#dosageof500g/g,theSPofthe5dieselfuelsfromFushunNumber1Refinerywaslowered#by16andtheCFPP5;theSPofthe5dieselfuelsfromFushunNumber2Refinerywas#loweredby19andtheCFPP7;theSPofthe5die
8、selfuelsfromFushunNumber3Refinerywasloweredby18andtheCFPP6.Keywords:alcoholysisdepressantfordieselfuel;synthesis;solidificationpoint(SP);coldfilterpluggingpo
