成核剂-1-32-4--二-(-亚苄基-)--D-山梨醇对-PETPEN-共混体系结构和

1,3:2,4-()-DPET/PEN1,2,3,3,3,3,2,13(1.,130022;2.,200051;3.,130012):X1,3:2,4-()-D(DBS)(PET)/2,6-(PEN):,PET/PEN10,,PET/PEN:1%,PET/PEN3%,PET/PEN/DBS,:;2,6-;;:TQ323.4+1:B:1001O9278(2004)07O0071O04StructuresandMorphologiesofPET/PEN/1,3:2,4-Benzylidene2D2SorbieriteLIGui2juan1,2,3,LIYi3,TAOChao2yang3,LUKe2xin3,CHENYan2mo2,ZHOUEn2le1(1.StateKeyLaboratoryofPolymerPhysicsandChemistry,ChangchunInstituteofAppliedChemistry,ChineseAcademyofSciences,Changchun130022,China;2.StateKeyLaboratoryforModificationofChemicalFiberandPolymerMaterials,DonghuaUniversity,Shanghai200051,China;3.CollegeofChemicalEngineering,ChangchunUniversityofTechnology,Changchun130012,China)Abstract:Theeffectofanucleatingagent(DBS)onthecrystallizingbehaviorofblendsofPET/PENwasstudiedusingWAXD,DSCandPOM.ItwasconcludedthatDBSpromotedthecrystallizationoftheblends,themeltingtemperaturewasincreasedby10degrees.WhenthecontentofDBSwaslessthan1wt%,completespherulitescanbeobserved.However,whenthecontentincreasedtohigherthan3wt%,thesizeofthespherulitesremarkablydecreasedandbecamelesscomplete.Keywords:polyethyleneterephthalate;polyethylenenaphthalate;nucleatingagent;crystallization,,(1%),,[1]:2004O03O24(G19999064805)3,,,,,,,PETPEN,PET,187Vol.18,No.720047CHINAPLASTICSJuly,2004©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[2,3],[4,5],,,,,,,,,,11.1PET,0.68dLg-1,;PEN,0.63dLg-1,Shell;1,1,2,2-,,;,,;1,3:2,4-()-D(DBS),1.2,Rheomex252P,ThermoHaakeGMBH;(DSC),DSC22C,Perkin2Elmer;X(WAXD),PW1700,Philip;(PLM),OPTON,;,;,HD2015,1.3PETPEN,12024h,PET/PEN=80/20,DBS(0,0.5%,1%,3%,7%1,2,3,4,5,24),280,,,,,,,3min280,24.5MPa1mm,3mim,3min,(24.5MPa),,,20mL/min,,,,50300,30050,50300,10/min,PW1700X,Ni,40kV,30mA,DS=1mm,SS=1mm,RS=0.3mm,,CuKa,0.3/min,1060,,DSCOPTON,,10m,,22.11(Tg),,Tg,TgPET(70)PEN(12211),1%,Tg,1%,,Tg,Tg91.75,,,2(Tch),,,Tch,1%,721,3:2,4-()-DPET/PEN©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(193.06)TchDSC(Tcc),3(1%),Tcc,1%,Tcc,,Tcc,,TccTcc(137.7)2DSCFig.2DSCcurvesoftheblendswithtemperature2decreasing,PET/PEN,,PET/PEN,1%,23PET/PEN/DBSDSCDSC,,PET/PEN,(Tg),,,DBS,,,DSC,,PET/PEN/DBS1020,PET/PEN3DSC,,,3DSCFig.3DSCcurvesoftheblendswithtemperature2increasing2.2WAXD4PET/PEN/DBSX,,,4,,,4WAXDFig.4WAXDprofilesforblends44X,216.417.821.722.926.25,PETXPET,PEN,WAXD,,,0.5%,,,2004773©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(a)(0.5%)(b)(1%),,,,5(c)(3%)(d)(7%),,,,,,,,,/%:(a)0.5(b)1(c)3(d)75Fig.5Opticalmicrographs(crossedpolars)ofblends,,,,,,,,3(1),,,(2),,,,(3)DBSPET/PEN,1%,3%,,(4),,PET,PET:[1],.[M].,,1984.[2]NKlein,DSeliVansky.TheEffectsofANucleating2agentandofFibersontheCrystallizationofNylon266Matrices[J].PolymerComposites,1995,16:189197.[3]J.C.Won,R.Fulchirom.TheCrystallizationKineticsofPolyamide66inNon2isothermalandIsothermalConditions:EffectofNucleatingAgentandPressure[J].PolymerandEngineeringScience,2000,40:20592071.[4]Bassam,Thompson,etal.NucleatedPET/PENPolyesterCompositions[P].WO99/48978,1999.[5]PeterR.Thomas.ProcessforSpinningPolyamideFilamentsContainingNucleatingAgents[P].US3585264,1971.,:::68905541:68985541:68982231:68988065:68982235:68988051::68905253:68985253:68424051:68983106:68457902:689879022004726741,3:2,4-()-DPET/PEN©1994-2006ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.