聚丙烯酸鈉-蒙脫土復(fù)合高吸水性樹(shù)脂的合成與性能研究.pdf

1、中國(guó)石油大學(xué)（華東）碩士學(xué)位論文聚丙烯酸鈉蒙脫土復(fù)合高吸水性樹(shù)脂的合成與性能研究姓名：李海峰申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：化學(xué)工程指導(dǎo)教師：張曉云劉金平20090501ABSTRACTWithnhexaneasthecontinuousphase，Span一60asthedispersant，N，Nmethyleneacrylamideasthecrosslinkingagent，potassiumpersulfateastheinitiat

2、or，superabsorbentpoly(sodiumacrylate)resinwassynthesizedthroughinversesuspensionp01ymerizationTheinfluenceofavarietyofkeyparametersincludingreactiontime，temperature，neutralizationdegreeofacrylicacid，theamountoftheinitiat

3、or，andcrosslinkingagentonthepropertiesofsuperabsorbentpolymerswasinvestigatedTheoptimizedconditionforthesynthesisofabsorbentsodiumpolyacrylateis：10mlofacrylicacid，20mlofNaOHaqueoussolution(20wt％)，44mlofn—hexane，00600gofd

4、ispersant，O0060gofcrosslinkingagent，00403gofinitiator，refluxing4hat62℃Waterabsorptionisashighas74106timesPoly(sodiumacrylate)／montmorillonitecompositewassynthesizedbyinversesuspensionpolymerizationAlkylammoniumionwasused

5、todisposemontmorillonite(MMT)toprepareorganicmontmorillonite(OMMT)Thekeyfactorsshowingeffectsoncompositeabsorbencyincludingtheamountofmontmorillonite，initiatoranderosslinkingagent，theneutralizationdegreeofacrylicacid，the

6、reactiontemperaturewereinvestigatedThestructureofthecompositewascharacterizedbyXRDandSEMTheoptimalconditiontoprepareOMMTis：20wt％CTAB，pH=5，80℃for23hThebestperformanceofsyntheticresinis：006wt％crosslingingagent，04wt％initiat