Restoringandprotectinghistoricbuildingsworldwideareimportant becauseheritagebuildingsarerecordsofthecivilizationsofvariouscountries.Herein, nanotechnologywasusedtorestorehistoricadobewalls.AccordingtotheIranPatent andTrademarkOffice(IRPATENT)102665,nanomontmorilloniteclayhasbeen selectedasanaturalandcompatiblematerialwithadobe.Furthermore,ithasbeenused asnanospraytobeaminimallyinvasivemethodtofillcavitiesandcracksintheadobe surface.Variouspercentagesofnanomontmorilloniteclay(1−4%)intheethanolsolvent andthefrequencyofsprayingonthewallsurfacewereevaluated.Scanningelectron microscopyandatomicforcemicroscopyimages,porositytests,watercapillary absorption,andcompressivestrengthtestswereusedtoevaluatetheefficiencyofthe method,analyzecavityfilling,anddetecttheoptimalpercentageofnanomontmorillonite clay.Resultsindicatethatthedoubleuseofthe1%nanomontmorilloniteclaysolution exhibitedthebestresults,filledthecavities,andreducedtheporesonthesurfaceofthe adobe,increasingcompressivestrengthandreducingwaterabsorptionandhydraulic conductivity.Theuseofamoredilutesolutioncausesthenanomontmorilloniteclaytopenetratedeeplyintothewall.This innovativemethodcanhelpmitigatetheexistingdisadvantagesofhistoricadobewalls.
Authors
- Dr Mona Khasar,
- dr inż. Hamed Niroumand link open in new tab ,
- Dr Maryam Afsharpour,
- prof. dr hab. inż. Lech Bałachowski link open in new tab
Additional information
- DOI
- Digital Object Identifier link open in new tab 10.1021/acsomega.3c00124
- Category
- Publikacja w czasopiśmie
- Type
- artykuły w czasopismach
- Language
- angielski
- Publication year
- 2023
