Scanning electronmicroscopeimagesareusefulindetermin-
ing thesurfaceandadsorptiondetailsofthesorbentsbeforeand
after grafting.ExaminationoftheSEMimages(Fig. 2a) showsthe
surfaces offishboneand Fig. 2b showsthesurfacesofthegrafted
fishbone. Afterthegraftingprocess,thecombinationofacrylicacid
with fishboneresultsinevolutionofCO2 with theformationof
porous polymer,whichenhancesthepenetrationofthepollutant
through thepolymermatrix.Butunfortunately,theformationof
gel layeronthesurfacemakesthepoursnotclear