CAJ | 학술논문

采用差示扫描量热法研究铸型(MC)尼龙/Dy_2O_3纳米复合材料的非等温结晶行为,并利用Caze法和Mo法对结晶动力学进行分析,运用Kissinger方法计算MC尼龙的结晶活化能.结果表明,纳米Dy_2O_3起到异相成核的作用,使MC尼龙的结晶峰温升高,结晶总速率增大;添加纳米Dy_2O_3使MC尼龙的结晶活化能增大.
채용차시소묘량열법연구주형(MC)니룡/Dy_2O_3납미복합재료적비등온결정행위,병이용Caze법화Mo법대결정동역학진행분석,운용Kissinger방법계산MC니룡적결정활화능.결과표명,납미Dy_2O_3기도이상성핵적작용,사MC니룡적결정봉온승고,결정총속솔증대;첨가납미Dy_2O_3사MC니룡적결정활화능증대.
The nonisothermal crystallization kinetics of MC nylon6/Dy_2O_3 nanocomposites were studied by differential scanning calorimetry (DSC). The Caze method and the Mo method were applied to analyze the nonisothermal crystallization kinetics. The Kissinger method was used to estimate the activation energy for nonisothermal crystallization. The results showed that the nano-Dy_2O_3 had a heterogeneous nucleation effect in the polymer matrix, the MC nylon6 composite's peak crystallization temperature raised and the crystallization rates of MC nylon6 matrix increased. The addition of nano-Dy_2O_3 in MC nylon6 increased the activation energy of MC nylon 6.