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综述了正在开发的可完全生物降解的壳聚糖-纤维素和壳聚糖-淀粉复合材料的制各方法。这种材料可广泛应用于食品包装和农业中。埋入土壤中能在3个月内完全分解，不会污染环境。
The methods of preparation of fully biodegradable chitosan-cellulose and chitosan-starch composites are reviewed. This material can be widely used in food packaging and agriculture. Buried into the soil can be completely decomposed within 3 months, will not pollute the environment.