CHEMISTRY,CHEMISTRY, COMPARISONSCOMPARISONS andand FACTSFACTS regardingregarding POLYURETHANESPOLYURETHANES andand POLYUREASPOLYUREAS CHEMISTRYCHEMISTRY Part A Part B ++ == POLYURETHANEPOLYURETHANE Isocyanate Part A ++ Part B == POLYUREAPOLYUREA Isocyanate PolyurethanePolyurethane ReactionReaction HH OO RR--NCONCO ++ RR1--OHOH RR--NN--CC--OO--RR1 (Isocyanate) (Polyol) (POLYURETHANE) PolyureaPolyurea ReactionReaction OO RR--NCONCO ++ RR1--NHNH2 RR--NHNH--CC--NHNH--RR1 (Isocyanate) (Amine) (POLYUREA) Isocyanate Types DEFINITIONDEFINITION POLYURETHANEPOLYURETHANE // POLYUREAPOLYUREA FuturaFutura && HuntsmanHuntsman define:define: PolyureaPolyurea asas havinghaving >80%>80% amineamine contentcontent inin thethe “B”“B” component.component. PolyurethanePolyurethane asas havinghaving >80%>80% polyolpolyol contentcontent inin thethe “B”“B” component.component. PolyurethanePolyurethane // PolyureaPolyurea HybridHybrid asas aa materialmaterial betweenbetween thethe aboveabove criteria.criteria. POLYURETHANEPOLYURETHANE DevelopedDeveloped duringduring WWWW II.II. SolventSolvent basedbased becamebecame popularpopular inin thethe 1970’s.1970’s. SolventSolvent freefree developeddeveloped inin thethe 1980’s.1980’s. EarlyEarly usesuses werewere asas coatingscoatings forfor PolyurethanePolyurethane foamfoam roofing.roofing. POLYUREAPOLYUREA DevelopedDeveloped inin thethe earlyearly 1980’s.1980’s. TexacoTexaco (Huntsman)(Huntsman) hashas patentpatent onon rawraw materials.materials. WorkedWorked closelyclosely withwith FuturaFutura toto developdevelop thethe firstfirst sprayspray appliedapplied Polyurea.Polyurea. FuturaFutura producedproduced thethe firstfirst commercialcommercial PolyureasPolyureas inin 1985.1985. COMPARISONCOMPARISON POLYURETHANEPOLYURETHANE // POLYUREAPOLYUREA PROPERTY POLYURETHANE POLYUREA VOC 0 0 TACK FREE (sec) 8 – 10 5 – 8 AA lotlot ofof hypehype thatthat PolyureasPolyureas areare solventlesssolventless andand curecure fastfast PolyurethanesPolyurethanes alsoalso havehave thesethese properties.properties. COMPARISONCOMPARISON POLYURETHANEPOLYURETHANE // POLYUREAPOLYUREA POLYURETHANE vs PROPERTY POLYUREA Tensile Strength = Elongation = / + Flexibility + Tear Resistance - / = Abrasion Resistance + Chemical Resistance + Weatherability + Heat resistance - Heat Sink Resistance - In most cases Polyurethanes are slightly better COMPARISONCOMPARISON POLYURETHANEPOLYURETHANE // POLYUREAPOLYUREA ManyMany ofof ourour competitorscompetitors areare promotingpromoting theirtheir PolyureasPolyureas asas havinghaving thethe abilityability toto bebe appliedapplied toto ““WetWet SurfacesSurfaces”” COMPARISONCOMPARISON POLYURETHANEPOLYURETHANE // POLYUREAPOLYUREA --WhatWhat HappensHappens-- URETHANEURETHANE:: UrethaneUrethane ++ HH200 == COCO2 GasGas // FoamingFoaming POLYUREAPOLYUREA:: PolyureaPolyurea ++ HH200 == HighHigh resistanceresistance toto COCO2 GasGas // FoamingFoaming COMPARISONCOMPARISON POLYURETHANEPOLYURETHANE // POLYUREAPOLYUREA REMEMBERREMEMBER !! ÎÎEvenEven thoughthough PolyureasPolyureas areare toleranttolerant toto moisturemoisture -- WeWe dodo notnot recommendrecommend abusingabusing surfacesurface preparationpreparation particularlyparticularly onon criticalcritical applications.applications. FACTFACT ÎÎWithWith thethe drivingdriving forceforce ofof loweringlowering VOC’sVOC’s andand thethe requirementrequirement forfor fasterfaster curingcuring // highhigh buildbuild systemssystems therethere hashas beenbeen aa rapidrapid proliferationproliferation ofof UnsophisticatedUnsophisticated PolyureaPolyurea companies,companies, productsproducts andand applicators.applicators. FACTFACT PolyureaPolyurea systemssystems areare moremore costlycostly thanthan PolyurethanePolyurethane systems.systems. FACTFACT AsAs aa result,result, manymany ofof ourour competitorscompetitors areare notnot supplyingsupplying aa purepure PolyureaPolyurea butbut stillstill callcall theirtheir productproduct aa Polyurea.Polyurea. FACTFACT FuturaFutura determineddetermined yearsyears agoago thatthat developingdeveloping blendsblends ofof PolyurethanesPolyurethanes andand PolyureasPolyureas willwill provideprovide thethe bestbest balancebalance ofof PhysicalPhysical andand PerformancePerformance PropertiesProperties.. FACTFACT UnlikeUnlike ourour CompetitionCompetition FuturaFutura doesdoes notnot “Over“Over--hype”hype” thethe useuse ofof PolyureaPolyurea FuturaFutura doesdoes notnot believebelieve thatthat “one”“one” systemsystem cancan dodo multiplemultiple applicationsapplications withoutwithout somesome tradetrade-- offoff QUESTIONSQUESTIONS ????.