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17120001精细化工FINECHEMICALSVol.17,No.1Jan.2000AA-MAn-AMPS马 志,魏天俊,冯光瑛,刘锦贵(, 453002):,,(AA)、(MAn)、2--2-(AMPS),AA-MAn-AMPS。Ca3(PO4)2、,、。:B[n(AA)∶n(MAn)∶n(AMPS)=70∶20∶10]Ca3(PO4)2,w(Ca2+)=150×10-6,w(PO43-)=6×10-6,pH=9.0,θ=50℃,t=10h,=10×10-6,Ca3(PO4)299.45%;G[n(AA)∶n(MAn)∶n(AMPS)=70∶15∶15],w(Zn2+)=10×10-6,pH=8.8～9.0,θ=50℃,t=24h,=10×10-6,Zn(OH)274.42%。B、G。AA-MAn-AMPS。://2--2-;:TQ085.4;TQ316.342 :A :1003-5214(2000)01-0001-03 ,,,,,,。2--2-(AMPS)[1～3]。AA-MAn-AMPS,。1 1.1 (AA),,;(MAn),;AMPS,;,。NDJ-8S();();721();PHS-2()。1.2 、、500mL140mL8.5mL,AA、MAn、AMPS(A:n(AA)∶n(MAn)∶n(AMPS)=80∶10∶10,=0.5mol),0.05%～0.1%,。60～70℃,(1h),80～90℃1～2h。40℃,w(NaOH)=30%pH=7.0,。A,,ρ=1.1256g/cm3(30℃),η=41mPa·s(30℃)。,,,,60℃24h,。1.3 Ca3(PO4)2[4]Ca3(PO4)2:w(Ca2+)=150×10-6,w(PO43-)=6×10-6,,Na2B4O7·10H2OpH=9.0,50℃10h。,,PO43-(710nm,1cm)。B=[(w1-w0)/(w2-w0)]×100%:1999-05-10DOI:10.13550/j.jxhg.2000.01.001。B,w1、w0、w2、PO43-。1.4 [5]w(Zn2+)=10×10-6,,Na2B4O7·10H2OpH=8.8～9.0,50℃24h,EDTA(0.01mol/L)Zn2+。B=(V1-V0)/(V2-V0)×100%。B,V1、V0、V2、EDTA。1.5 [5]w(Ca2+)=150×10-6,w(Fe2+)=10×10-6,=10×10-6,,Na2B4O7·10H2OpH=9.0。,15min,,50℃5h。,T(420nm,3cm)。2 2.1 Ca3(PO4)21。1 ①n(AA)∶n(MAn)∶n(AMPS)Ca3(PO4)2,B/%A80∶10∶1098.35B70∶20∶1099.45C60∶30∶1098.07D50∶40∶1096.45E40∶50∶1095.65F70∶25∶594.53B70∶20∶1099.45G70∶15∶1598.60H70∶10∶2098.05I70∶5∶2593.47J55∶40∶568.72D50∶40∶1096.45K45∶40∶1597.26L40∶40∶2097.00M35∶40∶2596.73 ①=10×10-6,w(Ca2+)=150×10-6,w(PO43-)=6×10-6,pH=9.0,θ=50℃,t=10h。1,,,Ca3(PO4)2,(B),Ca3(PO4)2。Ca3(PO4)2,B,2。2 Ca3(PO4)2(B)/10-63581015B,B/% 14.7494.7296.2799.4598.39SA/AA[4],B/%16.2PPCA[4],B/%24.395.798.62,BCa3(PO4)2“”,5×10-6～15×10-6,90%。B5×10-6,;8×10-610×10-6,。2.2 3。3 ①FBGHIPPCA[5]T-225[5],B/%51.1653.4974.4269.7767.4468.0051.10 ①=10×10-6,w(Zn2+)=10×10-6,pH=8.8～9.0,θ=50℃,t=24h。3,。PPCAT-225,G、H,B、I。,G,4。4 G/10-61351015,B/%4.6518.1353.4974.4269.65,“”,,。,,·2·精细化工 FINECHEMICALS 17 ,,。2.3 ,[5]。,5。5 FBGPPCA[5]T-225[5],T/%69.048.074.080.359.5。5,F、GPPCAT-225,B。3 AA-MAn-AMPS,BCa3(PO4)2,G,。,,AA-MAn-AMPS。:[1] BarthellEduard,ChmelirMiroslav,PeppmoellerReinmar.TerpolymersBasedonAMandAcrylicorMethylacrylicAcidandTheirUseasAntis-caleAgentsinAqueousSystems[P].FrDemandeFR:2486949,1982-01-22.[2] ,,.//[J].,1994,16():35～38.[3] ,.[J].,1993,13(4):7～11.[4] ,,./2--2'-[J].,1996,16(4):20～21.[5] ,,,.[J].,1995,15(3):14～17.:(1973～),(),,1996,96。SynthesisoftheNewTerpolymersAA/MAn/AMPSandTheirScaleInhibitoryPropertiesMAZhi,WEITian-jun,FENGGuang-ying,LIUJin-gui(DepartmentofChemistry,He'nanNormalUniversity,Xinxiang453002,China)Abstract:Aseriesofacrylicacid/maleicanhydride/2-acrylamido-2-methylpropanesulfonicacidterpolymers(AA/MAn/AMPS)wereprepared.TheeffectsofAA/MAn/AMPSconcentrationandmonomerratiooftheterpolymersonthescaleinhibitoryratewerediscussed.TheircapabilityofstabilizingZn2+anddispersingFe2O3werealsostudied.TheresultsshowedthatthenewterpolymerB[n(AA)∶n(MAn)∶n(AMPS)=70∶20∶10]hadexcellentpropertyofinhibitingCa3(PO4)2scale.Undertheconditionsw(Ca2+)=150×10-6,w(PO43-)=6×10-6,pH=9.0,θ=50℃,t=10h,andpolymerconcentration=10×10-6,thescaleinhibitoryrateofBwasupto99.45%.TheterpolymerG[n(AA)∶n(MAn)∶n(AMPS)=70∶15∶15]hadgoodcapabilityofstabilizingZn2+.Thescaleinhibitoryratewas74.42%whenw(Zn2+)=10×10-6,pH=8.8～9.0,θ=50℃,t=24h,andpolymerconcentration=10×10-6.BothterpolymershadgoodpropertiesofdispersingFe2O3.Theymaybeusedasscaleinhibitorsanddispersingagentsinindustrialcirculat-ingcoolingwater.Keywords:acrylicacid/maleicanhydride/2-acrylamido-2-methylpropanesulfonicacid;scaleinhibitoryanddispersingproperty·3·1,:AA-MAn-AMPS