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266071SprayPolyureaElastomerSPUASPUA:SprayPolyureaElastomerSPUA(1)1.UVSPUAVOC(g/L)5015001500000150m100m50m800mSPUA15123100%1:14515035067A30D658SPUAversatile/ReactionInjectionMoldingRIMSPU/(SPU/SPUA)BayerBASFFuturaUniroyalTexacoHuntsmanDudleyJ.PrimeauxAustinSPUA1989[1]1991SPU/SPUASPUA[26]199319951997SPUA1997SPUASPUA-102SPUA-202SPUA-301SPUA-403SPUA-502SPUA-6011999[814]/RIMPU/PU/PUAPUA2RA01SPUSPU/SPUA12.NCO2/SPUMDIEOSPU/SPUAMDIEOSPUAMDIm-TMXDI285%SPUSPUANCOSPUA1.SPUA33SPUAMPa27.5ShoreA30--D65%1000KN/m43.9—105.4100%MPa3.4—13.72.SPUA4SPUA0.30.4mm50004SPUA10%10%20%10%20%50%50%10%20%20%3.SPUA(A30D65)SPUASPUA5SPUA19630.53010.2SPUA1.8SPUA5SPUA(25)(-20)(MPa)8.912.311.414.1(%)420180350130(KN/m)43.967.7105102(Shore)3551------4.SPUASPUA6SPUA503871hSPUA6SPUAMPa13.513.5%137110KN/m76.484.45.SPUASPUASPUASPUASPUA”7SPUASPUA7SPUA(MPa)2.82.86.86.9Sa2.513.78.613.7---1.71.76.SPUA6.1SPUA516.2SPUA6.3100m21.52.0mm306.4SPUASPUA1224800mSPUA100m2(1.52.0mm)30230.30.6mm()SPUA100%(0VOC`s)SPUA100%SBSAPPSPUA“”SPUASPUA2mmSPUASPUAThemeParkSPUASPUASPUA[1]D.J.Primeaux,SprayPolyureaVersatileHighPerformanceElastomerforthePolyurethaneIndustry.In:Polyurethanes89,ProceedingsoftheSPI32ndAnnualTechnical/MarketingConference.SanFrancisco,1989,26[2]D.J.Primeaux,AStudyofPolyureaSpraySystem.HighSolidsCoatings,1994,15:2[4]D.J.Primeaux1998.6.[5],,1997.1.[6],19999P1927.[7],1999,Vol.14,No.4,P711[8],,2000,Vol.30,No.11,P19-23.[9]2000,Vol.14,No.12,P3335.[10]2000,12,P79.[11],,2001,No.5,P3137.[11]01114995.7[12]01114996.5[13],2000,Vol.15,No.1,P3944.[14]2000,Vol.15,No.2,P58.[15][16][17][18](MarineChemicalResearchInstitute,Qingdao,China,266071)Besideshighbuilding,water-bonedandpowdercoatingtechnology,SprayPolyureaElastomerTechnology(anothernameis100%solidsspraypolyureaelastomertechnology)hasrecentlyshownlargeincreasesinmarketinterest,salesvolumeandapplicationbecauseofregulationswhichlimitthevolatileorganiccontents(VOC`s)ofthecoating,i.e.,solvent-basedcoatings.Itovercomesmanyshortcomingsoftraditionalapplicationtechnologyandmakesarevolutionaryleapforapplicationinsite.MCRIisthepioneertomakeresearchanddevelopmentofthisversatiletechnologyinChina.Muchprogresshasbeenmadeinformulationandapplication.Itisdescribedindevelopinghistory,progressinChina,materials’propertiesandapplicationfieldsinthispaper,especiallyinundergroundpipeprotection.Keywords:spray,polyurea,polyurethane,elastomer,anti-corrosion1963819861995“”1996GUSMER19971998“”1999“”1994“”1998“”1999“”200170104,2660710532---5814740,0532---5845302mcri@public.qd.sd.cn,