氨基磺酸鹽減水劑合成及改性水泥混凝土性能研究

1、Y89二69中l(wèi)等分炎。：工Q!z至：壘魚(yú)論：芷繃號(hào)：!!＆學(xué)科分類號(hào)：皇苧魚(yú)塹密級(jí)：盆』￡安徽理工大學(xué)碩士學(xué)位論文氨基磺酸鹽減水劑合成及改性水泥混凝土性能研究作者姓名：專業(yè)名稱：研究方向：導(dǎo)師姓名：導(dǎo)師單位：盜王羞廛旦絲堂高分子材科筮國(guó)型【煎撞】塞邀堡王盔堂絲堂王捏丕答辯委員會(huì)主席論文答辯日期：2006年6月3日安徽理_L大學(xué)研究生處2006年6月3日“徽理工人學(xué)碩十論文ABS’I’RACl’Atpresenttheapplicali

2、onofsulfonatednaphthaleneformaldehydecondensate，themainkindofhigh—rangewater—reducingagentislimitedinprepa“ngpumpingconcreteandHPCduetoits10wnowab訂jtyatlowwatercementratioandlargeslumplosswithtimeelapsedAkindofsuperplast

3、icizerofsulfamicacidseriesisanewsuperplasticizerwithgoodprospect，whichcanprovideconcretehighflowabilitygooddurabilityandlowslumplossAnewhigh—rangewate卜reducingageⅡtAF，whichisaminosuIfonicacid—based，hadbeensynthesizedwith

4、sodiumsulfanilate，phenol，ureaandformaladehydeasthemainmate“alsinthisdissertationBasedonprinciplesofm01eculardesign，aminosulfonjcbasedsuperplasticizerwassynthesizedbymeans0fcontrOUingreactioncOnditionssuchasmonomermolrati

5、o，strengthofsolutionAsresultsofmonomermolratioofsodiumsulfan“ateandphenolis1：12，monomermolratioof(mixtureofsodjumsulfanilateandphen01)andformaldehydeis1：115，strengthofsolutionis33％，perfomanceOfAFisthebestTheIRspectrumofA

6、FiⅡdiicatesthatthestrongbangsat3406cm。(NHandOHsuperposedpeak)，1602cm一，1500cm一1(benzenering)，1182cmll(CN)，1126cm一，1042cJDd(S一0)aretJlecharacteristjcpeaksofAFComparingwiththewidelyusedhjgh—rangewate卜reducingagentNF’AFcanre

7、ndercementpastewithhigherfluidityandhasbetterwater—reducingpropertyWaterOfthecementpastereachedashighas22％whenO6％AFwasadded，whilethatofNFisonly136％AFalsohasbetterflowabilityretention，EvenwhenwatercementratiowasO29andO3％A

8、Fwasadded，cementpastenuiditywasstillupto225mm，whilethatOfNFjsonly138mmWhenO5％AFwasaddedtocementpaste，theslunlp一10ssin2hwasreducedgreatlyWhilethat‘ofNFisashighas581％AFhasVerystrongdelayedcoagulation，Theinitidandfinalsetti

9、ngtimeofcementpastetreatedwithAFprolong215minand191minrespectiVeIythanthatofuntreatedAFhassetting—retardedeffect，butitdoesn‘tinfluencetheearIycompressiVestrengthoftheconcreteWhenO5％AFwasaddedtoconcrete，thewaterreductionc