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1、山东大学硕士学位伦久ABSTRACTTraizinylaminostilbenesulfonictypefluorescentwhiteningagentsarewidelyusedinmanyindustryfieldssuchaspaper-making,spinning,coatinganddetergent.ThemaindomesticproductisVBL,theearliestvarietyintroducedintoourcountry,havingthewidestusesandthehighestyield.However,withth
2、edevelopmentofeconomy,alotofshortcomingisobviouslyshown,suchastoomuchwasteacidlet,powderpollutionseriously,badwatersoluble,lowyellowspots,badsunlightfastnessdegree,narrowapplicationrange,inconvenientinuseatc.Accordingtotheaspectsofenvironmentalprotectingandtypechanging,thenewtechni
3、crouteisdesignedandstudiedbychoosingwater-solubleandlesstoxicitymaterial,eventuallyanewenvironmentalprotectionliquortypetraiziny-aminostilbenesulfonicFWAwithhighefficiencyissynthesizedtoreplaceFWAVBL.Usingcyanuricchlorideasmainmaterial,4,4'-diamine-stilbene-2,2'-disulfonicAcid(DSDa
4、cid)asmatrixgroup,replacinganlinewithaminobezenesulfonicacid,hydroxyaminealcoholwithdihydroxyaminealcohol,handlingtwotechnicroutesandoptimizingprocessparameters，InreactiontechnicrouteI,theoutcomeisabtainedbyadoptingthreereactionsteps,InreactiontechnicrouteII，theoutcomeisabtainedbya
5、doptingthreereactionstepsaswell，changingthematerialaddedinthetechnicrouteandcomparingtheresultswiththeabsorptionwhichisincreasedlot.TheconfigurationandcapabilityoftheoutcomeisshownatthesametimebytheUVspectrophotometerandhighperformanceliquidchromatography(HPLC).Theapplicationtechni
6、candmedium-sizedexperimentationiselementarystudiedinthistextatlast.Thereactionismorecompletelybychoosinggoodwater-solubleintermediateproducts.Itdeterminedthattheoutcomeisliquid,havingnouseforseparationandpurification.Nowasteacidandpollutedpowderproducedduringtheprocess.Theoutcomepo
7、ssessesexcellentwhiteningefectTheultimatenewcraftparametersisasfollowing:Thefirststep:2.988p-aminobezenesulfonicacid，PH2.2,reactiontemperature0一2℃，reactiontime150mins;Thesecondstep:7.23gDSDacid,PH3.8,reactiontemperature65℃，reactiontime70mins;Thethirdstep:4.0ghydroxyaminealcohol,PH8
8、.0,reactiontemperature85℃，
