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当前位置:首页 > 商业/管理/HR > 企业文化 > 含羟基聚天冬氨酸接枝共聚物的缓蚀性及生物降解性研究郭茹辉
CorrosioninhibitioncapacityandbiodegradabilityofpolyasparticacidgraftcopolymerscontaininghydroxylGuoRuhui,YanMeifang,LiuZhenfa,LiHaihua,ZhaoJunping,TianCaili(InstituteofEnergySourcesofHebeiProvince,HebeiEnergyResearchCenterforWaterSavinginIndustry,Shijiazhuang050081,China),,,,,(,,050081)[]2-,。。,,,。[];;[]TQ085[]A[]1005-829X(2010)05-0036-02Abstract:Polyasparticacidgraftcopolymerscontainingdifferentproportionhydroxylhavebeensynthesizedfrompolysuccinimideand2-aminoethanol.Thecorrosioninhibitioncapacityandbiodegradabilityofthegraftcopolymersarestudiedbyrotationspecimenweight-losingmethodandshaking-bottleincubatingtest.Theresultsshowthatthecorrosioninhibitioncapacityofthepolyasparticacidgraftcopolymerscontaininghydroxylgetshigherwiththein-creasingproportionofhydroxyl,butthebiodegradabilityisreduced.Keywords:polyasparticacid;corrosioninhibition;graftcopolymer(PASP),,,〔1-5〕。,,,,。,,,。2-,。11.1,n(2-)∶n()0.2、0.4、0.6、0.8、1.02-,,,,。pH,5,,,,5,H-2,H-4,H-6,H-8,H-10。1.2,:(CaCO3)639mg/L,Ca2+(CaCO3)465mg/L,(CaCO3)341mg/L,SO42-142mg/L,Cl-154mg/L。1.3HG/T2159—199130520105IndustrialWaterTreatmentVol.30No.5May,201036——2010-05,30(5)[](1975—),1999,,。:13091011779,E-mail:grh11@tom.com。[]2009-12-12()。ZJ。A3(50mm×25mm×2mm),28cm2,7.850g/cm3。,45℃,75r/min,72h,(1)(2)。=87600×(W0-W)A×D×T(1):W0、W———,g;A———,cm2;D———,g/cm3;T———,h。=—×100%(2)1.4。500mL,1mL,20℃,28d,1、7、14、21、28COD。(3)t。=(1-Ct-CbtC0-Cb0)×100%(3):Cbt、Ct———t、COD,mg/L;Cb0、C0———、COD,mg/L。22.1PASP,50mg/L,1。1,。50mg/L,,,。H-1089.93%,PASP17.40%。2.2PASP,1。1,PASP,。PASP28d80%,;,H-2,723.2%、2150%,2856%,〔6〕。810%,。PASP,,,。32-PASP17%,。PASP,810%,。[][1]GrothT,JoentgenW,BoehmkeG,etal.Processforthepreparationofpolysuccinimideandpolyasparticacid:US,5371180[P].1994.[2]WoodLL.Preparationofsaltofpolyasparticacidbyhightemper-aturereaction:US,5367047[P].1994.[3],.[J].,2001(3):24-28.[4],,,.[J].,2003,32(9):792-794.[5],,,.[J].2005,34(1):20-21.[6],.[J].,2003,42(6):1054-1057.1/g/(mm·a-1)/%0.05860.32440—PASP0.01610.0891272.53H-20.01500.0830374.41H-40.01390.0769476.28H-60.00990.0548083.11H-80.00860.0476085.33H-100.00590.0326689.93,:37——
本文标题:含羟基聚天冬氨酸接枝共聚物的缓蚀性及生物降解性研究郭茹辉
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