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                  DevelopmentandapplicabilityanalysisofprotectivecoatingsofLimnopernafortuneionthe
                                           surfaceofwaterconveyancebuildings
                                                                                     1,2
                                                                                                       1,2
                           1,2
                                                                        3
                                                        3
                                             1,2
                 YANJuntao ,ZHANGSherong ,MAZiao,ZHANGJikang,WANGChao ,WANGXiaohua
                 (1.StateKeyLaboratoryofHydraulicEngineeringIntelligentConstructionandOperation,TianjinUniversity,Tianjin 300072,China;
                                    2.SchoolofCivilEngineering;TianjinUniversity,Tianjin 300072,China;
                           3.ChinaSouth - to - NorthWaterDiversionMiddleRouteCorporationLimited,Beijing 100038,China)
                  Abstract:ThefactthatLimnopernafortuneiadheretothewallsofwaterconveyancestructureswillleadtomanyse
                  riousproblems ,suchasdeteriorationofconcreteperformanceandanincreaseinroughness.However,thereisstill
                  alackofpracticalandeffectivepreventionandcontrolmeasures.Anon - toxic ,novelprotectivecoatinghasbeen
                  developedtoaddressthechallengesincontrollingLimnopernafortuneiinwaterconveyancestructures.Themicro
                  structure,surfaceenergy,andmechanicalpropertiesofthecoatingwerecharacterizedthroughexperimentalmeth
                  ods.WestudiedthebehavioralcharacteristicsofLimnopernafortuneionthesurfaceofcoatings,comparingtheav
                  erageadhesionrateandaverageverticalseparationforcebetweenthedevelopedcoatingandsixexistingcoatingsur
                  faces.Wealsodeeplyanalyzedtheadhesionmechanismofitontheexistingcoatingsurfaceandtheanti - adhesion
                  mechanismofthedevelopedcoating.Theresultsshowedthat,comparedwiththesiliconerubbercoating,which
                  hadthebestanti - adhesioneffectamongthesixnon - toxicexistingcoatings,thecoatingdevelopedinthispaperex
                  hibitedadecreaseinboththeaverageadhesionrateandaverageverticalseparationforceofLimnopernafortuneion
                  thecoatingsurfaceby58.33% and46.67%,respectively.Comparedwiththeconcretesurface,theaverageadhe
                  sionrateandaverageverticalseparationforcedecreasedby80.26% and91.11%,respectively.Thedeveloped
                  coatinghasthecharacteristicsof “lowsurfaceenergy”, “microstructure”, “elasticity”,and“lowpollutionre
                  movalparameters ”,anditspollutionremovalparametersaresuperiortosimilarcoatings.Thisstudycanprovidea
                  referencefortheselectionandperformanceanalysisofprotectivecoatingsforLimnopernafortuneiinwaterconvey
                  ancestructures.Inaddition ,itprovidesanewpathforthepreventionandcontrolofLimnopernafortunei.
                  Keywords:Limnopernafortunei;coating;microstructure;verticalseparationforce;fouling - release


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