钛系催化剂在PET合成中的催化性能研究_李卫伟

201639543CHINASYNTHETICFIBEＲINDUSTＲY2016-02-232016-08-12。1978—。[e-mail]。PET3002712LPET。PET33%45%b7μg/g。bTQ342．2A1001-0041201605-0043-03PET、、1。PETPET。2PETPET、PET。PET34。PETPET。11．1PTA、EGSb2O3。1．22L、WFHGC-8A0．8mmSchottTC-PIIG。1．3PTAEG2L、73r/min34r/min0．668dL/g1。1Fig．1Flowchartofexperimentalunit1—2—3、4—5、6—7—8、9—10—、、、Sb2O3Sb2O3。22．1。5。280min96%Sb2O3120min33%。BHETPTA。2Fig．2Effectofdifferentcatalystsonesterificationreaction●—Sb2O3■—2．23Sb2O375min60min41minSb2O345%Sb2O3。6μg/g8μg/g60min41min40r/min40r/min40r/min。3Fig．3Effectofcatalysttypeandamountonpolycondensationreaction●—8μg/g■—7μg/g▲—6μg/g—Sb2O3120μg/g2．3。F．Weingart6PETb。4PTAb。4bFig．4Effectoftitaniumcatalystamountonhuebvalue6μg/gb3±0．26μg/gb8μg/gb544201639bb。7μg/g。3a．PET2LSb2O333%45%。b．Sb2O3b。7μg/g。1M．20091－3．YangShikun．Applicationtechnologyandtechnologyofpolyes-ternonfiberM．BeijingMechanicalIndustryPress20091－3．2．J．199922627－30．WangFuwei．NewdevelopmentofPETpolycondensationcata-lystJ．ChinSynFiberInd199922627－30．3．J．2010323223－226．XiaoBinWangLipingYangXianguietal．Developmentofre-searchonpolyestercatalystJ．ChemＲeag2010323223－226．4ShotykWKrachlerMChenB．ContaminationofCanadianandEuropeanbottledwaterswithantimonyleachingfromPETcontainersJ．JEnvironMonit200682288－292．5．J．199912412－15．ZhaoLingDaiYingchunShenYingpingetal．Effectofcat-alystonPETindustrialproductionJ．PolyesterInd199912412－15．6WeingartFHirtPHerlingerH．Titaniumcatalystintheman-ufactureofpolyethyleneterephthalateJ．ChemFibersInt19964696－97．StudyoncatalyticperformanceoftitaniumcatalystinPETsynthesisLiWeiweiZangGuoqiangYangLifangZhangLimeiＲesearchInstituteofSINOPECTianjinCompanyTianjin300271AbstractTheeffectofaself-madetitaniumcatalystontheesterificationandpolycondensationreactionsandtheproducthuewasstudiedona2LstainlesssteelreactorduringtheproductionofpolyethyleneterephthalatePET．Theresultsshowedthatascomparedwithantimonytrioxidecatalysttheself-madetitaniumcatalystofferedahighercatalyticperformanceanddecreasedtheesterificationandpolycondensationtimeby33%and45%respectivelythepolycondensationtimewasshortenedtoacquireacertainviscositybutthebvalueofthepolycondensationproductwasincreasedwiththeadditionoftheself-madetitaniumcata-lysttheinitialamountofthetitaniumcatalystshouldbecontrolledbelow7μg/g．Keywordspolyethyleneterephthalatetitanium-containingcatalystcatalyticperformancebvalueesterificationpolycon-densationreactiontimeELGELGCarbonFibreELG。2019。ELG2018。ELG。20151kt。545．PET