PET固相缩聚工艺流程研究

183Vol.18,No.320059BASICSCIENCESJOURNALOFTEXTILEUNIVERSITIESSept.,2005:100628341(2005)0320275203PET1,1,1,1,2,2,2(1.,200051;2.,211900)X:PET,PET,PET.PET.,,.:(PET);;;:TQ316.4:A,.,PET,,.PET,.PET,.PET,PET.[13],PET.11.1PET,3mm3mm1.5mm,[G]=(0.6000.002)dLög.1.2,,,.,1,1.51.50mm40g,N2,.,.,.1PET3140öh180öminÉ040Ê240Ë201.3,,1.1.4,kgPET4.25Lömin,220h,X:2005205230:(20276013):(19582),,,,.E2mail:[e-mail]1PET1,2,3PET,4,5,6210,..1.5[G]ö(11),0.005gömL.25,[G],[4]:[G]=2.110-4M{0.82n(2500M{n25000),[G]=7.0710-4M{0.69n(M{n25000).22.12PET.2,PET.,,.,.2PET1402h,.2PET140öhö10-510500223.6343.5463.22.2PET3PET.3,PET1402h,0.629dLög;1402h,40min,0.628dLög.;18040min,0.621dLög,.PET,180,PET.,.(1)(2)PET,.(1)(2),COOH,..,.Ea+EGk1k1öK1Eg+W;(1)Eg+Eak2k2öK2Z+W.(2)3PET140öh180ömin[G]ödLg-1ömolL-1É0400.62144Ê2400.62842Ë200.629402.3PETPET,,,.ÉÊPET,4.4,,PET;PET,67218.ÊPET(210)8h,0.879dLög;É(210)12h,0.878dLög.,,PET,PET,PET.180,,,.,,,.1402h,,3.610-5;18038%,,.,.,140,180,,,.4PET140öh180ömin220öh210öh[G]ödLg-1ömolL-1Ê2222404040404444048120.7410.8090.8790.89330262217É004040440120.6840.87835273(1)PET,,.(2)14015012h,1801901h,2204h,2108h,0.87dLög.:[1].PET,[D].,1997.14276.[2].PET[J].,2000,16(3):78281.[3],,.PET[J].,2005,21(3):2352238.[4].PET[J].,1988,(1):50253.Studyonthetechnologyprocessofsolid-statepolymerization(SSP)ofPETHUQun2hua,WANGJian2feng,ZHOUHong2ying,etal(CollegeofBasicScience,DonghuaUniversity,Shanghai200051,China)Abstract:Ithasbeenstudiedforthetechnologyprocessofsolid2statepolymerization(SSP)ofPET.ItisfoundthatitisbeneficialfortechnologyofSSP,whenthePETpolymerparticlesaredriedbeforecrystallization.IfthePETpolymerparticlesaredriedfully,itispossiblethatthereactiontimeofSSPisreduced.Keywords:PET;solidstatepolycondensation;dry;crystallization:;:7723PET