废旧胶粉(WRP)的表面改性是胶粉成功应用于热塑性弹性体的关键因素.文中对废旧胶粉的改性方法作了简要介绍,重点综述了改性胶粉表面性能的表征.改性废旧胶粉的表面性质包含交联度、表面润湿性、表面化学结构及形貌等,可以通过溶胀度、接触角、红外光谱、能谱及扫描电子显微等方法来表征.展望了胶粉在热塑性弹性体中的应用前景.
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