Abstract: The skin of domestic animals is conventionally used as raw material in leather industry. Animal skin is mainly composed of collagen fiber that is a kind of natural polymer material with distinctive physical and chemical properties. In consideration of characteristics of collagen fiber，researchers have reported preparation of functional materials on the basis of collagen fiber. This paper introduces the collagen fiber-based materials，which can be used for adsorption and separation of natural products，heavy metal ions，inorganic anions，proteins and microorganisms，including their preparation methods and mechanisms，as well as their performance in uses. These novel adsorption and separation materials may be practically useful for related technologies，such as environment protection，natural products purification and protein separation. Collagen fiber is a valuable basic material for creating advanced functional materials，in addition to its utilization as raw material in some traditional industries.

Key words: collagen, collagen fiber, adsorption, separation, environment protection

摘要： 家畜动物的皮主要被用于生产皮革，构成动物皮的主要成分是胶原纤维，它是一种天然高分子材料，具有独特的物理化学性质。近年来人们利用胶原纤维研究制备了多种功能材料。本文系统地介绍了将胶原纤维用于制备天然产物、重金属离子、无机阴离子、蛋白质和微生物的吸附分离材料方面的研究工作以及这些吸附分离材料的应用原理和应用性能，为环境保护、天然产物纯化、蛋白质分离等领域提供了可借鉴的技术手段。同时，这些研究工作表明，资源丰富的皮胶原纤维不仅是某些传统产业的加工原料，也是创制先进功能材料的基础物质，胶原纤维的开发利用有值得想象的广阔空间。

关键词: 胶原, 胶原纤维, 吸附, 分离, 环境保护