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用混合晶红外光谱法和SAXS、DSC和LAM等方法研究了聚乙烯单晶在75℃、90℃和105℃退火前后的结构变化,发现在90℃以下和105℃以上退火,遵循不同的退火机制
The structure changes of polyethylene single crystal before and after annealing at 75 ℃, 90 ℃ and 105 ℃ were studied by means of mixed crystal infrared spectroscopy, SAXS, DSC and LAM. It was found that annealing at 90 ℃ and above 105 ℃ followed by different annealing mechanism