Polyaspartic acid/salt (PASP),a novel biodegradable and environmental-friendly material,has found wide applica-tion in many fields by virtue of its special molecular chain structure and excellent properties,and has attained notable improvement in technological diversification of synthesis &modification,product type &performance,and application range,due to the deep and in-tensive research endeavors in recent years.This review renders a vivid description upon the synthesis/modification techniques,the in-dustrial/agricultural applications (e.g.scale inhibitor,corrosion inhibitor,fertilizer synergist,water retention agent,and paint), biomedical and other applications.We also sketch out the prospective development tendency of PASP and the relevant derivatives.%聚天门冬氨酸/盐(PASP)是一种新兴的可生物降解的环境友好材料,凭借其特殊的分子链结构和优异的性能在许多领域得到广泛应用.近年来,随着研究的不断深入,PASP的合成及改性方法逐渐多样化,产品类型不断丰富、性能大大提升,其应用领域也得到快速扩展.本文综述了PASP的合成、改性方法以及PASP在工农业(阻垢剂、缓蚀剂、肥料增效剂、保水剂、涂料)、生物医药和其他领域应用的新进展,并对PASP及其改性衍生物未来的发展方向进行了展望.
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