 Wysłany: Pon 17:47, 14 Lut 2011 Temat postu: puma shoes PBT POE-g-MAH PP blends phase structu |
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| PBT / POE-g-MAH / PP blends structure and properties of phase
RPHOLOGYANDPROPERTIESOFPBT/POE- · g-MAH/PPTERNARYENDSWEIGang, YUYan, HUANGRui (CollegeofMaterialScience & Engineering,) ~ huaUniversity. Chengdu610039) (CollegeofEnergy & Environment, XihuaUniversity,puma shoes, Chengdu610039) (CollegeofPolymerScience & Engineedng, SiehuanUniversity, Chengdu610065) AbstractThreetypesofnovelimpactmodifierswerepreparedbymeltblendingmaleicanhydride-· graftedethylene-· octenecopolymer (POE-g-MAH) withpolypropylene (PP) throughatwinscrewextruder. Theeffectofdifferentimpactmodifieranditscontentonmechanicalproperties, dispersionmorphologyandmeltingandcrystallizationbehavioroftheblendswasinvestigated. ThemechanicalpropertytestingindicatesthatPOE-g-MAHandPPhavesignificantlysynergistictougheningeffectonPBT. Theimpactmodifier (POEg2) withPOE-g-MAH/PPratioof70/30hasthebesttougheningeffect. WhenPOEg2contentisupto15%, thenotchedimpactstrength (,.) Increasesfrom7.5kJ/m2forpurePBTto51.2kJ/m. whichisapproximatelyequaltothatfortheblendtoughenedby15% purePOE-g-MAH, andthelossoftensilestrength () oftheblendistheleast. Theimpactmodifierparticlesdispersedinmatrixhaveasoftshell-rigidcoremorphologyevidencedbyusingAFMandSEM. DSCresultsrevealthatthesoftshellinshell-corestructuralparticleecomesincomplete,polo outlet online, whenthePPcontentintheimpactmodifierishigh (50%). Itmaywhichresultinadeclineininteractionbetweentheblendcomponents, andconsequently,buy ghd hair,,. andoftheblendbothbegintodecreaseobviously. KeywordsPoly (butyleneterephthalate), Synergistictoughening, Brittle-to-ductiletransition,discount cosmetics mac, Softshell-rigidcoremorphology ● 23456789m ¨ also More articles related to topics： buy ghd hair Kinds of Tory Burch Shoes Four law _3881 mushroom summering tory burch outlet The occurrence of grassland in Q |
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