第四統(tǒng)計(jì)力學(xué)考察聚合物相容性及其在聚苯硫醚增韌體系中的應(yīng)用.pdf

1、北京化工大學(xué)碩士學(xué)位論文第四統(tǒng)計(jì)力學(xué)考察聚合物相容性及其在聚苯硫醚增韌體系中的應(yīng)用姓名：胡孝義申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：材料學(xué)指導(dǎo)教師：金日光2001.5.20北京化工大學(xué)碩士學(xué)位論文IABSTRACTThemisciblityisanimportantbasistochooseasuitableblendingmethodforpolymerblendsanditisalsothekeyfactortocontrolthepolymer

2、blends’morphologyandproperties，sotoresearchthemiscibilityofpolymersistheoneofthebasisofpolymersienceDuetothecomplexityofpolymerblends，itisverydifficulttodeterminethephasediagramsofbinarypolymerblendsandfindoutatheoretica

3、lmethodtopredictitInthispaperthephaseseparationinequilibriumstatehasbeendiscussedwith—linearandthenon—linearsub—clusterstatisticaltheoryThemodeloflinearandnon—linearsubclusterstatisticaltheoryofbinarypolymeralloyshasbeen

4、established，andthephaseseparationequationofbinarypolymeralloysusedintheconditionofequilibriumhasbeenobtainedOnthetheoreticalandpracticalbasisthephasediagramsofbinarypolymeralloyshavebeenclassifiedManyexperimentalphasedia

5、gramsofbinarypolymerhavebeensimulatedbythelinearandnonlinearsub—clusterequationsandtheresultsaresatisfactoryThemiscibityofPPS／PA66blendsareresearchedandSBSandSBSgMAHareusedasthecompatibilizerofthePPS／PA66blendsTheimpacts

6、trength，thetensilestrengthandtherupturesurfaceoftheblendsareresearchedTheimpactstrengthoftheblendsincreasedwiththeamountofSBSorSBSgMAHThepointofbrittle—toughtransitionisdespentonthecontentofSBSorSBS—g—MAH，whichisaroundSB