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112(1.230009)(2.214421):E244(VER),PUER22,(PUV)(EPU)(PUER),:PUER22,EPU:;;,[13],,,,,C,[4],,11.1(TDI),,;PPG21000(N2210),56mgKOH/g,0.1%,;(DMPA),,;(BG),(AA),CP,;E244,,;(DBTDL,),CP,;(HEA),(TEA,),(K2S2O8),(NaHSO3),CP,,1.2PUVEPU[5]1.2.1PUVPPG1200.1MPa1h60,TDI1h,BGDMPA,30minHEA,503h30,TEA,20min1.2.2EPUPPG,TDI,601h,BGDMPA,30min,503h30,TEA,20min,EPUE24412%1.3VERE2441000.1MPa3120052062005.Vol.20No.6POLYURETHANEINDUSTRY,12,1006h,1.4PUERPPG210001200.1MPa1h75,TDIDBTDL30minDMPA(DMF),30min1,42BDO,60min60HEA3h,25TEA;VERPUV,4530min,25,452(K2S2O82NaHSO3),PUVVER,PUV/VER,PUER2222.1MAGAN2IR7502.22000.1%,OsO4,300,401h,JEM2100SX2.3GB712486,25LJ210002.4PU2548h,,[6]:,[6]2.550,33.1VEREPUPUER2211VER;2EPU;3PUER221VERE244,VER830cm-1,E244,1820cm-11640cm-1910cm-1CC[7],1720cm-1,3500cm-1,1510cm-11600cm-1E244PUER22PUVVER,CC,,PUVVER,3200cm-1NH,2200cm-1,NCO[8]EPU,,EPU830cm-1,,,,,3.241202(5)aPUV;bEPU;cPUER21();dPUER22()22bEPU,,,2,,PUER22,,,,,cPUV,VER,d,()VER,()PUa,3.31PUVPUER22,,PUER21PUER22,,,PUVPUVVERPUV,,PUER22EPU,,PUER22,PUV1MPa%%()PUV11.24203834EPU35.21524.3116PUER2119.53201768PUER2224.22906.01203.45022,PUER22,EPU,PUER21PUER22PUVVER,,,2PUER212()PUV60EPU12PUER2140PUER22604E244(VER),PU2ER,,,EPU516;,,1AllcockHR,LampeFK.ContemporaryPolymerChemistry.NewWork:PrenticeHall,1990.432OertelG.PolyurethaneHandbook.Munich:CarlHanser,1985.313HepburnG.PolyurethaneElastomers.NewYork:Elsevier,1992.2814..:,2002.18265,..,2004,19(5):26296,,,..,2000,(5):467..:,1994.1818..:,1980.3583682005-07-062005-11-18StudyontheMethodofAqueousPolyurethaneModifiedbyEpoxyResinWangPinghua1WangWenying1WuShengli2(1.DepartmentofPolymerScienceandEngineering,HefeiUniversityofTechnology,230009)(JiangyinYOBOPolyurethaneCo.Ltd,214421)Abstract:Avinylesterresin(VER)waspreparedfrombisphenolA(E244)andacrylicacid(AA).Aqueouspolyurethaneterminatedwithvinyl(PUV)modifiedbythisVERcouldbeobtainednamedPUER22dispersionemul2sion.FilmsanddispersionemulsionsofPUV,PUER,EPUhavebeenmeasured.Theresultsshowedthatwaterre2sistance,resistancetoorganicsolution,tensilestrengthofPUER22aresuperiortoPUV,andthestabilitywasim2provedconsiderablycomparedtoEPUresin,whichwasaqueouspolyurethaneandmodifiedbyE244resindirectly.Keywords:epoxyresin;aqueouspolyurethane;modification,1964,,,MDI45%Huntsman1,MDI2004145%MDI,,,Huntsman,MDI1%,42%2005,Huntsman,5.1UrethanesTechnology,2005,22(3):12FoamPartner1,1,,(),UrethanesTechnology,2005,22(3):10Harries1,CannesWallace&Gromit,RobHarries10mGromit,UrethanesTechnology,2005,22(3):62000,PU1/2,4045kt,2004175225kt,19994,PU,PUUrethanesTechnology,2005,22(3):326120