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ҵлᵯÐÔÌåרҵίԱ»áÄê»áÂÛÎļ¯,2005.27¡«33
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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