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/1,1,1,2,1,1(11,100029;21307,100039):,/NBR/EPDM/SBR/4,,,;,,;NBR,,EPDM,,EPDM:;;;;:TQ333;TQ330138+3;TQ33011+5:A:10002890X(2004)0120014206,,,,,[1,2],NBREPDMSBR4,/NBR/EPDM/SBR/4,,,1111(MVQ),:(05173003);(2001BA310A12);(H010410010112);(2031001):(19772),,,,;SBR,1502,;EPDM,505A,;NBR,41,;,,100nm,50nm,;Si69,112SBR:SBR100,3,1,CZ112,118,EPDM:EPDM100,5,1,M015,TMTD1,115,NBR:NBR100,5,115,DM1,115,MVQ:MVQ100,2,5222,52()115,113LH2,;25t,;H280021(TEM),;RPA22000,;TGS22,PERKIN2ELMER;21041200451FTIR,;JF2,114:NBR,EPDM,SBRMVQ20,40,60,80100,30minSBRNBR150t90;EPDMMVQ160t90:,5min,10min,24h115TEM,,110Payne,:60,1Hz,0128%,017%,114%,218%,7%,14%,28%,70%,140%,280%,350%420%(TG)10min-1,0800ASTM,2211/NBR/SBR/EPDM/MVQ131,,,4,10NBR,(SRF,50nm)N330(30nm);SBR,SRF;EPDMMVQ,1/NBR;/EPDM;/SBR;/MVQ2131SRF,,,[1]Hamed[2],5111/,SEMTEM,4:NBREPDMSBRMVQ,:NBRSBREPDMMVQ(),11,NBREPDM,,SBRMVQ,,;,,,;(),,,2,NBR,3,,,;,(),;,,,,,MVQ,,,,NBR,,3,(NBREPDM),;,,212,,,4TG4,380,260,1/MVQ/EPDM/NBR/EPDM1,;,4TG512152g6120045114//MVQ/EPDM/EPDM/NBR0181019132020152117402015211623106024152412241780301026102612261810029172710271028151503010:,,;/EPDM/EPDM,EPDM,1,EPDM150,30,14MPa,164%,,,213,,,,/EPDM21311FTIR55,,,[3],66,EPDM,,21312,,5FTIR6/EPDM(100/40)TEM,,,,,,,,,7111/,,Payne,7/EPDMPayne7,,,,,,(a)/EPDM(100/40)(b)/EPDM(100/100)7/EPDMPayne,,,,0,1,2,46213132/EPDM,,2,,,2/EPDM/01246/EPDM(100/40)/MPa9161111121212191411/%432408392380404/(kNm-1)3414261027112417251120152210221022152210/EPDM(100/100)/MPa13181710181518191717/%576456376324296/(kNm-1)471143174014351236152710261827102712251821314,[3],/EPDM,383/EPDM(100/40)1234100%/MPa412516313313/MPa1318181918181916/%576324420384/(kNm-1)4711351239143611:12;3,56min;4,56min,38,,();,,,,,812004518/EPDM(100/100)Payne1;2;3;43(1),,,(2),,:[1],,,1[J]1,2000,23(2):711[2]HamedGR1Reinforcementofrubber[J]1RubberChemistryandTechnology,2000,73(2):5241[3],,,1EPDMEPDM[J]1,1999,46(4):51:2003207209Propertiesofnano2magnesiumhydroxide/rubbercompositeZHANGQi1,HUWei2kang1,TIANMing1,ZHANGPeng2,TONGYu2qing1,ZHANGLi2qun1(1.BeijingUniversityofChemicalTechnology,Beijing100029,China;2.No.307HospitalofCPLA,Beijing100039,China)Abstract:Thenano2magnesiumhydroxide/NBR,nano2magnesiumhydroxide/SBRandnano2magne2siumhydroxide/EPDMandnano2magnesiumhydroxide/siliconerubbercompositeswereprepared,andtheirphysicalpropertiesandflame2retardancewereinvestigated.Theresultsshowedthatthemagnesiumhydrox2idegavethecompositesgoodhalogen2freeflame2retardancecombinedwiththeexcellentreinforcementeffi2ciency;thehigherthedispersityofnano2magnesiumhydroxidepowder,thestrongertheinterfacialactionbetweennano2magnesiumhydroxidepowderandrubbermatrix,andthebetterthephysicalpropertiesofcomposite;intermsofreinforcementefficiency,thenano2magnesiumhydroxidewasthebestforNBRandthepoorestforsiliconerubber.Thedispersityofnano2magnesiumhydroxidepowderinEPDMandthein2terfacialactionimprovedbythesurfacemodificationofpowder,thusthephysicalpropertiesofthecompositeimproved.Keywords:nano2magnesiumhydroxide;rubber;interface;dispersion;flame2retardance2t:TQ330138+1:D2t2003930,,2DCS,,,,,N500,N600N700()9111/