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21119952TECHNOLOGYOFWATERTREATMENTVol.21No.Feb.,1995(,,2237),,:,,,,(PS),(,),,,,(),,1.,(BSA)94%97%;CuSO;,,BsA,,15.scmZ751G,.Co60JY82,2.(1),PS,0.02mol/LCuSO;,CO60lmol/lNa()H(40)10h,[!:90916*21l:(G)-(2),(1)0.3MPa30min,0.ZMPaJBSA,,BSAJ,:F(JJw)/J1,/J(2)1.1(0.30.6Mrad),,,(0.6~7.5%1oL)74Mrad,0.40.6.81.G,Mrad10121416,121.OMrad),,.,,,(1.OMrad),.,2.(2),,,23.(3),1640cm211,,,()()VanderWa;lls,,,,vanderwaals70.70.60.5OOOG,BSA(pH4.7),,,(l)1G(%){()O()}7j59.5}{4.7(2)(,Io)7,,,,,,,,,,,,,,,,,,(),,,,,()(0.51.IMr;id)(o15%)211,,,,:,EMatthiasson,JMembrsci,1983,16;23~36JanlNilsson,JMembri,1990,52;121142POLYSUIJFONEULTRAFILTRAT10NMEMBRANESMODIFIEDBYIRRADIATIONGRAFTINGWITHACRYIJICACIDMONOMERWuYutingShiYaiun(Cheng~gRearchCentre,teChaUnlversityofsc~andTechnolog,Sh200237)AbstraCtThegraftingofaerylieaeidontopolysulfoneUFmembraneswasperformedbymeansofmutualirradiationinliquids.Andthemodifiedmembraneswithdifferentgraftingratewereob-tainedbyhngingirradiationrateandeoneentrationofaeryliaeid.xtwasshownthatthemodi-fiedmembraneswithhighergraftingrateexpressedbetterantifoulingabilityintheultrafiltrationofproteinsolutions.Thereasonforthiswasmainlybeeauseinereasingofhydrophilieitywithgraftingrate.Keywords:irradiationgrafting,ultrafiltration,membranefouling,polysulfone,aerylieaeid