資源描述：
《MDI, TDI and the polyurethane industry》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在學(xué)術(shù)論文-天天文庫(kù)。
1、1MDI,TDIandthepolyurethaneindustryMDIandTDIarehightonnageproducts,whichcompriseabout90%ofthetotaldiisocyanatemarket.ThepredominantuseofMDIandTDIisinthemanufactureofpolyurethanes.Polyurethanesareproducedbyreactingdiiso-cyanateswithpolyolsandotherchemicals.Therangeofpolyurethanetypes
2、,from?exibleorrigidlightweightfoamstotough,stiffelastomers,allowsthemtobeusedinawidediversityofconsumerandindustrialapplications.Someexamplesare:Rigidfoam?thermalinsulationofbuildings,refrigerators,deepfreezeequipment,pipe-linesandstoragetanks;?buoyancyaidsinboatsand?otationequipme
3、nt;?packaging;?furniture;?equipmenthousings.Flexiblefoam?householdfurnitureincludingbedding;?automotiveseating;?cushioningfordiverseindustrialapplications;?textilelaminates.Integralskin,semi-rigidandlowdensitystructuralfoams?steeringwheels,headrestsandotherautomotiveinteriortrimcom
4、ponents;?furnitureelements;?sportsgoodssuchasskisandsurfboards.Elastomers?shoesoles;?vehiclebodypanels;?rollersandgearwheels;?conveyors;?sealantsfortheconstructionandautomotiveindustries;??bres.Figure1.1showstheareasofapplicationasafunctionofstiffnessanddensityofeachpolyurethanepro
5、duct(Woods,1990).12MDIandTDI:Safety,HealthandtheEnvironment.ASourceBookandPracticalGuidePrintingrollersElastomericfibresPaintsSolidpolyurethaneplasticsThermoplasticandcastelastomersSolidpolyurethanesAdhesivesandbindersFabriccoatingsSyntheticleathersCarbumpersandotherexteriorpartsfo
6、rvehiclesStructuralfoamMicroShoesolingandcellularself-skinningarticleswithfoamsamicrocellularcoreFoamdensitySelf-skinningdecorativefoamsimulatedwoodfurnishingSelf-skinninginteriortrimandrigidmouldingsforvehicleandofficefurnitureHighMouldedchairshellsdensityCarpetbackingfoamsfoamsSe
7、mi-rigidfoamsforcrashpaddingandpackagingRigidinsulationfoamsLowdensityfoamsFlexiblefoamsforbeddingandupholsteryPackagingfoamsVerysoftelastomersStiffelastomersandplasticsRigidplasticsIncreasingpolymerstiffnessFigure1.1Propertymatrixofpolyurethanes(?gurebycourtesyofHuntsmanPolyuretha
8、nes)22002000MDITDI18001600
