層狀固體堿型化合物的結(jié)構(gòu)與吸附性能研究.pdf

1、北京化工大學(xué)碩士學(xué)位論文層狀固體堿型化合物的結(jié)構(gòu)與吸附性能研究姓名：馮春瑤申請學(xué)位級別：碩士專業(yè)：應(yīng)用化學(xué)指導(dǎo)教師：段雪2000.5.1AbstractThestructureandpropertiesofLDHhavebeendesignedTheinfluenceofpreparationconditionsonLDH’scrystallinestructurehasbeenstudiesbychangingpreparationm

2、ethod，agingtime，M∥AlratioofprecipitantItisfoundthatanewmethodweusedismuchbetterthanthetraditionalmethodThehighertheratioofMg／Aa，thelargerthelayerspaceThemotivationofmodifyingLDHbystearicacidistodistributedLDHresinmoreeve

3、nlyTheexperimentresumethatthegrainofmodifiedLDHdon’tcollecttogetherandcarlbedistributedevenlyinPVCresinWhenHClwasblowthroughLDH，bytheresultofXRD，weresumedthattheanionC1’enteredintothelayersandreplacedtheinterlayeranionC0

4、3。，andthekineticequationandanion—exchangeenergywerecalculatedWhenLDHwasputintoacidsolution，(HCl、HN03、H2S04etc)(Ph=4—6)，duetoLDH’SsurfacebasicitesandthechemicaladsorptiontookplaceveryeasilyviatheresultofXRDTheKineticequat

5、ionandadsorptionenergywerecalculatedSoitispossiblethatLDHcanbeusedasPVCstabilizersandantacidsWhenstudiedmemoryeffectofLDO，itisfoundthatanioncarlenterintothelayerduringrearrangingthelayerSo，itispossiblethatLDOcanbeusedasa

6、dsorbentofC02Aftertheproductwerecalcined，itcanberegeneratedDuetothelargersurfaceareaofLDO，itcanbeusedastarabsorbentincigaretteKeyWords：Mg／AILayeredDoubleHydroxidesMg／AILayeredDoubleOxidesAdsorption，antacidsPVCstabilizers