兩相不相容聚合物HIPS-EVA與CB復(fù)合材料導(dǎo)電性能的研究.pdf

1、jf781877委伽犬學(xué)碩士學(xué)位論文(2005屆)兩相不相衷聚合物l|TPS／I!VA與(1f復(fù)合材料導(dǎo)電性能的研究ThestudyoiltheP1CbehavioroftheimmiscibletwophasepolymerHIPS／EVAWithCBcompositematerial研究生姓名指導(dǎo)教師姓名專業(yè)名稱研究方向程絲聞獲江(教授)材料學(xué)功能復(fù)合材料論文提交日期——!鯉!!旦ThestudyonthePTCbehaviorof

2、theimmiscibletwophasepolymerHIPSIEV—A—wi—t—h——，CB—c——o—，—m，。po。，situmateri，a1，A。bstra—c—tThestudyonthePTCbehavioroftheimmiscibletwophasepolymerHIPS／EVAwithCBcompositematerialAbstractIt’s巍feasiblemethod搬decrease攮econtento

3、fCarl)OilMackandthevolumeelectricalresistivelywiththetwoimmisciblepolymerinstantofonepolymerforthecarbonblack／polymercompositesmaterialTheamorphousHIPS／CBcompositematerialsWCl“eprcgar磁姆blencL囂醯thePTCeffect騮粼studied。andth

4、e90lxrloinordertoimpreecethecompositematerialsdeetricityporformaneeandthemeehanie秘f細(xì)期蝴∞，theEVA毫ssemicrystalline州ymew㈣importedtothecompositematerial。TheSEM、XraydiffractionandtheDSC硼霉辯appliedto藏堵|y篇edtherelationofthe寒嘲l(fā)o囊l

5、辯andperformanceofthetwophaseimmiscibleblends。theresultshowed：。lthePTCintensionofHIPS，cBi8lOWandthePTCtranstbrmtetilpetattlreisdosedtothe露瓣transformtemperatureThecompoatematerialsvolumeexpressionisfeeblenessSOitsvolumeexp

6、ansionisnot爨蜮toexplainthePTChehavior2、ThepercolationvalueoftheHIPS／h3／A／CBcompositemat揀ialdecreasedcomparedtothe囂猙淞compositemateriatandthe瑚慧intensionincreased。3、到豫SEM、XraydiffractionandtheDSCshowedthattlmtwophasestructur