STUDY OF ACOUSTIC EMISSION DURING NON-ISOTHERMAL CRYSTALLIZATION OF POLYPROPYLENE

• 作 者: 沈静姝 徐端夫 姚瑞刚 刘瑞霞 李大为
• 机 构: InstituteofChemistry,AcademiaSinica,Beijing,Beijing
• 出 处: 高分子科学：英文版
• 发表日期: 1990年1期
• 关键词: ACOUSTIC EMISSION NON-ISOTHERMAL CRYSTALLIZATION POLYPROPYLENE Acoustic emission
• 基金项目: This work was supported by Academia Sinica selected Research Program and National Natural Science Foundation of China

In this paper we have presented the results of acoustic emission (AE) during non-isothemal crystallization of polypropylene (PP) melt with mean cooling rate 4℃/min, and discussed the effects of molecular weight (MW) on AE activity. It is shown that the am