【摘要】 综述近年来甲壳素及其衍生物接枝共聚合的主要反应类型以及接枝物的物理，化学性能更多还原

【Abstract】 Chitin, chitosan and their derivatives have been studied for long time by more and more groups. Their application field becomes wider and wider. Their history, properties, applications, extracting and processing methods was reviewed briefly. In addition, their development in future was also previewed.更多还原