_PET在EG中的醇解反应

14114994JrounalofBeijingIsntituteoCflothinTgeehnoloygVol.14APrNo.1499ETPEG①(()):EG,PETEG.BHET,BHETPET,;Zn(0Ac):,;EG,BHET,Zn(OAc):H:0,.,.:;;;:、TQ34o.68,0621.256.50(PET),.,PET、,PET.,EGPET,l[,2〕,PET.PET:0000·HocZcHZ。《、cHZcHZoHHocHZcHZo、}ocHZcHZ。、H+(nl)HOCHZCHZOH,、、.(EG),;PETEG,,(BHET);,Zn(OA。):,PET;PET,,BHETPTA.BHETPET,“”,EGPET,BHET,.①:19931022.:154007.DOI:10.16454/j.cnki.issn.1001-0564.1994.01.0074991,5PET..11.1PET:,SD.EG:,.BHET:DMTEG.PET:,EG/PTA()=1.25LZ500mL,.L359PET,,1.197℃,EG,,,、、、,:G。G:G。X100.:G。PET(g);G:PET(g);F·1EG(50mL)EG(50mL)+BHET(19)EG(50mIJ)+BHET(19)+Zn(OAe)2(0.00159)EG(50mL)+BHET(19)+Zn(OAe)2(0.00159)+HZO(1mL)EG(50mL)+PET(19)21PETFt.1,2.2k/h`0.250.280.420.620.601:PETEG1,2,3,4,EG1,,.BHET(2),PET,,.Zn(OAe):(3),Zn(OA。)2(4),90min,,.PET,EGPET(5),).,0.sh,lFt1,.BHE’r.,.1,5,1,2,3,4.,PETPEI,,PET、,,,BHET、..5,,0,,PETBHETPTA.,13,4,Zn(0Ac):,Zn(OAc):HZO,.Zn(OAC)2、,PET.PET,,0O《、cHZcHZo(-+HZOH+HOCHZCH00《-,PETEG.,EG,.,EGPETPETBHET.,EG(197℃),PET,.PET,EG,BHET,EG,BHETPET,BHETPETEGPET,PET,BHETEG.,BHET,BHETPET,PET,,EGPET1994,.BHETEG,.BHET.BHET,、EGPET,BHET,BHET,2.2,,BHET.,,,.,BHET,PET,,.BHET,,(),BHETEG.BHET,,BHET,EGPET,,.1,PET(BHET0.202.04.06.08,010.0BHETt/g2BHETtFBHET.BHETEG.),(5),PET.PETEG,BHET,BHET,PET.EGPET,EGPET,,.13,4(),PET,23a.PETEGBHET,HZOZn(0Ac)2,PET,PETEG.b.BHET,PETEG,BHET,BHET,PET.。.PETEGPET,PET..l).,,5713574.1982,,..,1991(1,2):20~241:TEPGElAcoholysiosPfolyethyleneTerePhthalateinEthyleenGlyoclYangZhiweiZhaoGuoliangZhangDsahengAbstreat:Thealcoholysisspeedofpolyethyleneteerphthalate(TEP)inethyleneglyoel(EG)willbegeratlyeeealeratedwhendefiniteamountobfishydroxyethylterePhthalate(BHTE)15addedbeeesauofthegoodeomPatibilitybetweenEPTandBHET.TheoptimalaleoholysiessrultseanboebtainewhdenBHTE,Zn(OAe):andalittleHZOareaddedto-getherintothealeoholysissystem.Kedwords:PolyethyleneterePhthalate;ethanediol;aleoholysis;eomPatibilityl《FWK》FWK1991、,199312.FWK,8098,,、.(2~31),.,,,、、.12,、、IPD,0.5℃,,,,,,,.(1~8),,、,,.,0.1%;,0.2%.,,,,.FWKKV507,,,.,,.《FWK》