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3¡¡Teitel¡äbaumBY,GubaidullinAT,YagfarovaTA,etal.Polyester

urethanesbasedon1,52naphthalenediisocyanate,structureandthermalbehaviour.PolymerScienceUSSR,1990,32:23¡«284¡¡KozlovaTV,LetunovskiiMP,ZharkovVV.Effectofisocyanate

structureonthemechanicalandorientationalcharacteristicsofpolyu2rethaneelastomers.PolymerScienceUSSR,1989,31:2766¡«27715¡¡AllaBarb¨£lat¨£AA,Caraculacu,IureaV.Theinfluenceofthestruc2

tureofaromaticdiisocyanatesonthepreparationandthepropertiesofpolyurethanes.EuropeanPolymerJournal,1978,14:427¡«4306¡¡PiotrKról.Synthesismethods,chemicalstructuresandphasestruc2

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turesoflinearpolyurethanes:Propertiesandapplicationsoflinearpolyurethanesinpolyurethaneelastomers,copolymersandionomers.ProgressinMaterialsScience,2007,52:915¡«1015

7¡¡HartmannB,DuffyJV,LeeGF,etal.Thermalanddynamicme2

chanicalpropertiesofpolyurethaneureas.JournalofAppliedPoly2merScience,1988,35(7):1829¡«1852

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ÊÕ¸åÈÕÆÚ¡¡2007-09-28¡¡¡¡ÐÞ»ØÈÕÆÚ¡¡2007-12-29

StudyonPropertiesofPolyurethaneMicroporeElastomerBasedNDI

JiangWenying¡¡JiangZhiguo¡¡LiXiaoyu

(CollegeofMaterialsScienceandEngineering,BeijingUniversityofChemicalTechnology,100029)

Abstract:Polyurethanemicroporeelastomerwaspreparedwithexpander,water,stabilizerandprepolymer

whichmadeof1,52naphthalene2diisocyanate(NDI)andpolybutyleneadipate(PBA).PropertiesincludedMechani2cal,thermalresistance,dynamicmechanicalandcellstructureofpolyurethanemicroporeelastomerwerediscussed.TheresultsshowedthatthecompressivestrengthofpolyurethanemicroporeelastomerpreparedwithNDIwas1106MPawhenisocyanateindexwas112¡«113,andexpanderwasPCL3001Andexcellentthermalresistancepropertiesanddynamicmechanicalpropertiesweregiven1

Keywords:1,52naphthalene2diisocyanate;polyurethane;microporeelastomer

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