©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,710072),,,,,,Shape2memorypolymermaterialsZhuGuangmingLiangGuozheng(DepartmentofChemicalEngineering,NorthwesternPolytechnicalUniversity,Xian710072)AbstractThelatestadvanceinshape2memorypolymerwassummarizedinthispaper.Theprincipleofmemory2ef2fectswasdiscussed.Thecharacteristicsandapplicationsofsomeshape2memorypolymersuchascross2linkingpolyolefin,polyurethane,polyesteretc.wereintroducedandevaluated.Inthepaperend,thedevelopmentprospectofshape2memorypolymerwasforecasted.Keywordsshape2memorypolymer,polyolefin,polyurethane,polyester1(shape2memorypolymer),,(heatshrinkingmaterialorheatrecoverablematerial)(),,,,,,(memoryeffect)2060,A1Charlesby[1],,,(NASA),[2],7080,Raychem,RDI(RadiationDynamicsInc.),,FBoeing80[3,4],[5][6,7]-[8,9][1013][14,15],2,,,:,,1961,,,30302Vol130No1220022NEWCHEMICALMATERIALSFeb12002©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(1),;(2),,;(3),,-,PE,EVAPVC,,,,,E=3Vk2gTT(Tm),g:,k:2:21©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:(dialationfactor)=/;V,V=N/Mc(1-2Mc/Mn),,N,Mn,Mc,,,Mc,V,E,Mn,Mn,E,,,,1,E,3311,(),,,,,,,,,,,[16]-(EVA)[17][18][19,20],80180,,EVA,,,,,1,4-(TPI)[7]-[8][5]TPI,40%,67,6070,,,TPI-(120),(60),,,,300,35,,,,,,,,,,,312,()(),,,,Tg,,,(Tg-3070)Tg,,,313()()()()5415mol2715mol1812mol,2,Tg38,[14],2230©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,19632PrestonKeusch,DonaldGreer,JohnRozembersky.NASAcontac2torreport,1969,NASACR-13843,,.,1987,5(4):694,.,1994,5(1):135JP,535520,19846,.,1998,(5):477.,1988,8:318US,5043396,19919JP,96678,200110US,5135786,199211US,5139832,199212ToshibaTakahashi,NoriyaHayashi,ShunichiHayashi.JApplPolymSci,1996,60:1061106913,.,1996,(4):46246714US,5442037,199515JP,96616,200116OtaS,RadiationPhysicsChemistry,1981,18(1-2):818717JP,212598,198718,.,1991,(3):353819,,.,1993,11(3):14314720.,1998,(2):1216:2001-9-29(30)4Y2O3-ZrO2TEM(1501000)3(1)EDTA,Y2O3-ZrO2TEM,,,(2)pHY2O3-ZrO2,pH=35;pH=5;pH5pH,pH,;pH5pHpH35,(3),pH,r2r,r2,r1,,.,2000,20(7):17192,.,2000,16(2):2132173,..,20014,.,2000,31(2):219220:2001-10-152:23