TLCP和纖維增強(qiáng)改性雜萘聯(lián)苯聚醚砜酮.pdf

1、大連理工大學(xué)碩士學(xué)位論文TLCP和纖維增強(qiáng)改性雜萘聯(lián)苯聚醚砜酮姓名：王海連申請學(xué)位級別：碩士專業(yè)：材料學(xué)（化工）指導(dǎo)教師：蹇錫高20060601TLCP和纖維增強(qiáng)改性雜蔡聯(lián)苯聚醚砜酮TLCPandfmersreinforcedP01y(phthalaziIloneethersulfoneketone)AbstractPolyQhthalazinoneethersulfoneke幻ne)，anoVellljghperfb姍ancep01y

2、merwithfcmarkablethe瑚a1resistanceandsolubilitydevelopedbyDalianUniversityofTbchnolOgyhasastrongcompetitivecapabilityinintemationalma揪etsInordertObroadenitsapplications，theworkaimstOdecreasemeltingviscosityofPPESKbyblendi

3、ngtllethe咖otropicIiquidcrystalp01ymef口LcP)andfeinforceitsmechaIlicalpfopcniesbvfillin2theshortdassfibefandc缸bonfibeLMeltiⅡgblendsofpoly(phthalazinoneethersulfoneketone)(PPESK)／polyetllersulfone(PES)廠11CPwerepreparedbytwo

4、screwextmderThemeltingviscosityofblendsdecreaseswiththeadditionofTLCPMiscibilityofbIendswasiⅡvestigatedviadi丘brcntjalscanningcalorimetry(DSC)TheresultsshawedthatPPESK／PES，rLCPblendsareimmiscibleinall∞mpositionsThe5％losst

5、emperatureofblendsredllcedthrou2htllemogravime仃icanalvsis(TGA)，whichilluminatedthennalstabilityofbleIldsdecreaselightlywithincreasjngofTLCPcontentAtttlesametimeSEMshowedtheⅡcPdispersedphaseinc0玎espondingsampleshaditsmo神0

6、logy丘omspherical，出rou疊Ilellipsoidalandelon舭ted，tofibril札Indespiteoffibmlation0fTU、Pinresinmeltswith20％contcnt，forinterfacestrengthbe觚eenTLCPandfesinwassmall，Mechallicalpropeniesofblendshadnot罌IotimprOvedTheG1asspowderfjl

7、ledPPESKcomposjteswerebyahi甜1speedpowdermixeLThemechanicalpropeniesofcompositeswereinvest主gatedTheresunsshOwedthatflexuralpropeniesofnIecompositesincrease，andthetensneandhpactstren劬decreasewhileincre船iIlgthecontentofglas

8、spowdetGlasspowdcrtreatedbycouplingagenthasa日oOdinteractjonwithma打jx，whjchwasimportanttoadvancemechaIIjcalpr0peniesShonglassfiberaIldcarbonfibefrcinforcedPPESKcompositeswerepmducedbyavinscrewextmderrcspectiveIVTheirmec：h

9、allicalandtribOlogica王propeniesweretestcdonamechaIIicalmachjneandMM一200testjngmachineandweafingmechani鋤wasanalyzedbySEMThencxuralstrengthof—assfiberandcafbon肋erreinforcedPPESKcompositesenhance，butimpacts佃mmhofallcomposit

10、esde盯easeTheWearrateandfrictioncoemdentdecreasew“htheinc檔asingofCFShort西assfiberorcarbonfjberrcinforcedPPESKcompositescontajningdj飪brentcOntentofTLCPwereproducedbyaMinscrewextruder’respectjvelVTheviscositvofPPEsK／PEs／GFc

11、ompositesdecreaseapparently’redudngthebreakingof酉assfibcrandcarbonfibeLheighteningtropismofGF／CFintheflowingdirectionTheresultsindicatedthatcheflexuralstrenzchofPPESK，盹S，GF仃LCPc帆positesandPPESK／PEs／CF廠rICPcompositesjncre