所属栏目:聚合物科学与工程
Whentheflowpropertiesofpolymermeltsandsolutionscanbemeasuredoverawideenoughrangeofshearing,thelogarithmicflowcurvesappearasinFigure14.1.Itisgenerallyobservedthat:(1)Atlowshearrates(orstresses),a‘lowerNewtonian’regionisreachedwithaso-calledzero-shearviscos ......(本文共 7205 字 , 3 张图) [阅读本文] >>