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PBT/PC31,2,3,3,1,3(1.,310027;2.,550014;3.,550025):(PBT)(PC),PBTPCPBT/PC,,PBTPC,PBT/PCPCPBT,PBT,PBT,PBT,PBTPC,PBT,,PC:;;;::A:100129731(2009)01201622041A(PC),,A,,,,,,,,PC,PC,,,PC[1](PBT),,;,PBTPC,PC,PBTPBT/PC/,[2],PBT/PC,PBTPC,(PS)PSPBTPCPBT/PC,[3]PBTPC,DSCPBT/PC,PBT/PC22.1(PC),(PC2TH,30000),;(PBT),(420SEO,21900),GE;(Sb2O3),;(TPP),(TSE240),;(CJ80MZ2NC),;(INSTRON8501),INSTRON;(XJJ250),;(DSC204),NETZSCH;(SEM)(KYKY2800),;(PXRZ),2.2PBTPCSb2O3,PCPBTA1,11Table1SamplescompositionsA1(g)C1(g)D1(g)D2(g)D3(g)D4(g)D5(g)PBT50359070503010PC50651030507090Sb2O31TPP1111110A110PBTPCTPP,D1D526120091(40)3:(2007,2180);(2006):2008207214:2008209227::(1980-),,,,PCPBTA1PBT/PCC1,(TPP),2.32.3.1GB/T104021992,10mm/min;GB/T104321993,(551)mm(100.2)mm(4.00.2)mmZHY2W,,,5,2.3.2(DSC)2603min,,DSC(DSC204,ZETZSCH),30260,10/min;2603minN22.3.3,(17cm2cm),52.3.4,500g,PCPBT(CH2Cl2),PBT/PC,CH2Cl2SEM2.3.55g,(300)PXRZ(1.2kg),,5,33.1PBT/PCTgPBT/PC2DSCPBT/PCTg,PCTg149[4]PBTTg602PBT,PCTgTable2GlasstranssitationtemperaturesofPBTPCanditsblendsPBTPCA1C1Tg()60149114.91119.062,PCA1C1Tg,PBTPC,A1C1PBTPCTg(A1)=114.91,Tg(C1)=119.06,A1PCTg34,C1PC30,A1TgC1,C1PBTPC,A1PBTPC,TPP3A1C1,,A1,C1,A1PC/PBTC1,PBT6,PBT7,C1PC,3A1C1Table3MechanicalpropertiesofA1andCsamples(MPa)(%)(MPa)(MPa)(kJ/m2)(kJ/m2)PBT113.14.084763.7174.99.6732.1PC62.32116.371215108.8105.53367.35A161.0311.221249.5101.19.3756.78C163.212.051348103.0260.6229.593.2PBT/PC,PBT,222PBTDSC,A1C1,4PBTPBT/PC(D),PBT/PC,PC,,PCPBT,PBT,PBTPCPBT,PBT,,1(b)(c),PBTPC,PBTPBT,4PBTDTable4CrystaltemperaturesofPBTandDsamplesPBTD1D2D3D4D5()222.37220.78220.28220.08220.09217.28361:PBT/PC1PBTA1C1DSCFig1DSCthermogramsrecordedofPBT,A1andC1samples3.3PBT/PCPBT,,PBTPC,PBT[5],PBT52,PC,PBT/PC;PC,5PBTDTable5DimensionandmoldingcontractilityofPBTandDsamples(cm)(%)(cm)(%)PBT16.5562.61.9243.8D116.8211.9621.9D216.850.881.9671.65D316.9440.331.971.5D416.9550.261.9830.85D516.980.121.9890.552PBTDFig2MoldingcontractilityofPBTandDsamples3.4PBT/PC,D3(D3,D4,D5),865h,D5,,PCCH2Cl2(PC2h);D1D2(48h),D1,D224h5,PBT,PBT/PC,PBT,PBT/PC6D,D3D4D5CH2Cl2,;D3D4D5PBT,,D5,PC(PC);D1D2,,,PBT,6PBT/PCTable6WeightchangeofDsamplesafterbeingdis2solved(g)(g)(g)D114.115.21.1D213.315.32.0D313.613.4-0.2D412.512.2-0.3D511.19.3-0.8PC11.47-4.4,DPC,D2,D4PBTPBTPCPC,PC,m(PBT)m(PC)=7030,m(PBT)m(PC)=3070PBT,77DTable7MechanicalpropertiesofDsamples(MPa)(%)(MPa)(MPa)(kJ/m2)(kJ/m2)D193.2654.012535291476.60318.494D284.516.442691140.809.1236.78D378.785.7872142136.806.60626.527D480.417.521850128.709.50849.753D571.2710.281411.7116.8715.95132.6546120091(40)34D3A1CH2Cl23CH2Cl2PC,D3;A1,PBTPC,PBTPC,3.5PBT/PC5PBT/PC,PBTPBT/PC,PBT,,PC270,PBT,PBT/PC250,PC5PCPBT/PCFig5FluidityofPCandDsamples4PBTPC(A1)TgPC34PBT/PCC1TgPC,A1,C1PBTPCA1PC/PBTC1,PBT6,PBT7,C1PCPBT/PC,PBT,PCPBT,PBT,PBT,PBTPBTPC,PBT/PCPC,PBTPCm(PBT)m(PC)=7030,m(PBT)m(PC)=3070PC,PBT,PC,PBT:[1],,.[M].:,2000.[2],.[J].,2001,13(3):13216.[3],,.[J].,2005,19(1):10213.[4],.[M].:,2001.[5],,.[M]:,2002.TudyofthecompatibilityandpropertiesofPBT/PCblendsLIHong1,2,LUOZhu3,YUJie3,ZHENGQiang1,3(1.KeyLaboratoryofMacromolecularSynthesisandFunctionalization,MinistryofEducation,ZhejiangUniversity,Hangzhou310027,China;2.SchoolofMaterialandArchitecturalEngineering,GuizhouNormalUniversity,Guiyang550014,China;3.NationalEngineeringResearchCenterforCompoundingandModificationofPolymericMaterials,Guiyang550025,China)Abstract:ThePBT2PCcopolymerspreparedthroughesterexchangereactionwasusedascompatibilizersinthePBT/PCblends.Effectsofcompatibilizersonthepropertiestheblendswerestudied.Resultsshowedthatcom2patibilizersinthePBT/PCblendsenhancedthecompatibilitybetweentwophases,sothebalancebetweenme2chanicalstrengthandtoughnesswasachieved.MovePCcomponentintheblendsinfluencescrystallizationofPBTanddecreasesthemoldingcontractibilityofPBT.TheresistanceofPCtosolventerodeisimprovedduetothepresenceofPBTintheblend.ThesolventresistanceandtheflowabilityofPCincreasewithincreasingPBTcontent.Keywords:PBT;PC;blends;strength;toughness;compatibility561:PBT/PC