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38120101CHINAPLASTICSINDUSTRY3hbwhzkj@tom1com:,,1986,,jiangankun@1631comPP/CPE,3,,(,330031):(CPE)/(PP/CPE),:CPE,,CPE33%45%,CPE,,CPE20%:;;;;:TQ32511:B:1005-5770(2010)01-0073-03StudyontheMixingPropertiesofPP/CPEJIANGAn2kun,HUANGBi2wu,LIDan,PENGXiao2min(CollegeofMaterialSci.andEng.,NanchangUniversity,Nanchang330031,China)Abstract:Influencesofchlorinatedpolyethylene(CPE)contentonmeltingtime,torque,apparentviscosity,oxygenindexandtensilestrengthofPP/CPEwerestudiedandstructureofsectionaftertensionwasstudiedbyscanningelectronmicroscopy(SEM).TheexperimentalresultsindicatedthatthelargesttorqueandmeltingtimeoftheblendingdecreasedwiththeincreaseofCPE,butthebalancetorqueandtheapparentviscositydecreasedalittle,whenthecontentofCPEliedbetween33%45wt%,therewasaoptimalpro2portion.Inaddition,withtheincreaseofthecontentofCPE,theflameretardantperformanceofthemixtureincreasedsignificantly,butthetensilestrengthdecreasedalittlewhenthecontentofCPEwashigherthan20wt%.Keywords:Polypropylene;ChlorinatedPolyethylene;Torque;FlameRetardancy;TensileStrength(PP),,[1],PPPP[2](CPE),,CPEPPPP[3-5]PP/CPE,[6](LOI),SEM1111(PP):;(CPE)::XSS2300,;:XYZ2450,;:SJSZ,;:AT2150EP,;:TH25000,;:S23000N,112,,175210,,,,1052h113:PPCPEPP/CPE372010200,25r/min,45g,300s;PP/CPE200,25r/min,45g,300s:,,:=/,,Pas;,[7],,Pa;,1/sT,=kT,k,=/=kT/,,,P:P=(i-j)/i100%=(Ti-Tj)/Ti100(ij),T-;-:GB/T24061993,127mm615mm3mm,:GB/T10401992,:50mm/minSEM:,2211CPEPP1Fig1Thecomparedrheologicalcurvesbeforeandaftermixing1PPCPEPP/CPE(11)1,,PP12s,PP36Nm,CPE,PP,,PP,,,,,,,CPEPP,1,CPE130s,,212CPEPP/CPE1PP/CPE1,CPE,,CPEPP/CPE,CPE,,PP,,,,CPEPP2PP/CPE2,CPE,,CPEPP,CPE[8],,11,,81537%,CPE,PP,47381:PP/CPE2111213CPEPP3PP/CPE3,CPE,,2016%3016%,,PP/CPEPP,[9]214CPEPP/CPE2Fig2Thetensilestrengthunderdifferentqualityratio2CPE2,CPE10%20%,CPE,,CPEPPCPE20%,CPECPE,PPCPE,,[10]215CPE33,3a,,3b3a,,3abCPE,20%,CPEPP,,,CPE,PP/CPECPE3c,CPE50%,CPEPP/CPE,PP/CPECPE50%a-CPE10%b-CPE20%c-CPE50%3CPEPP/CPESEMFig3SEMmicrographsofsectionaftertensionofPP/CPEwithdifferentCPEcontents3CPEPP,PP;CPEPP/CPE,PP/CPE,;PP/CPECPE,11,81537%,CPE,2111;CPEPP,CPE20%[1]WILLISJM,FAVISBD.Studyontherheologicalproper2tiesofPTT/PPblends[J].PolymEngSci,1988,28(21):1461-1426.(87)57381:,,31),50%,+(73),11,26130mg/g2),;;015h[1]2006[R].:,2006.[2],,(XH21)[J].,1995,14(1):23-27.[3],.[J].,1999,5(4):25-27.[4],.[M].:,2008:5-19.[5].[J].,2007,7(3):44-47.(2009-10-16)(69)[17]LIANGJZ.Researchintopolymermeltdieswellduringex2trusion[J].PlastRubberComposProcessAppl,1991,15(1):75-77.[18]LIANGJZ.Effectofthediameterratiosonentrypressuredropanddie2swellbehaviorforrubbercompoundincapillaryextrusion[J].PlastRubberComposProcessAppl,1993,19(5):311-314.[19]LIANGJZ,NESSJN.Themeltdie2swellbehaviourdur2ingcapillaryextrusionofLDPE/PPblends[J].PolymTest,1998,17:179-189.[20].[J].,2005,23(3):27-29.(2009-10-27)(75)[2].PP[J].,2003,15(4):59-60.[3].[J].,2007,18(1):2-3.[4]ALFREDOM.Calibrationtechniquetoevaluatethepower2lawparametersofpolymermeltsusingatorque2rheometer[J].PolymEngSci,1996,36(20):2556-2563.[5]BROWNRJ.Assemblyanduseofacomputerizedtorquerhe2ometer[J].JVinylAdditTechnol,1987,9(1):8-34.[6]GEBHAARDS.[M].:,1998:224.[7].[M].:,1994.[8],,.[J].,1999(8):3-14.[9].[J].,1993(4):27-29.[10],,,.PP/CPE[J].,1998,26(1):106-109.(2009-10-27)(82)3),,4)4%3%,[1],,,.[J].,2006(1):67-69.[2],.[J].,2005(3):81-85.[3],,.[J].,2003(8):36-37.[4],,.[J].,2002,49(3):60.[5].[J].,2007(1):32-36.[6],.[J].,2005,34(5):40-53.(2009-10-19)78
本文标题:PP-CPE共混性能研究
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