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聚丙烯酰胺是一种合成的水溶性高分子,在水中能起絮凝、分散及增粘等作用,广泛地应用于工农业各部门。从五十年代以来,它及其衍生物在油田开发中渐露头角。因为石油化工的飞速发展,合成原料(丙烯腈)有了保证,加上聚合工艺简单,分子量容易控制,官能团反应多样化等等,可以根据地质、水质等变化条件,设计不同品种以满足不同的需要,因此,日益受到油田各方面的重视。本文仅介绍聚丙烯酰胺及其部分水解产物的合成及在油田开发中的一些应用。
Polyacrylamide is a synthetic water-soluble polymer, which can act as flocculation, dispersion and viscosifying in water and is widely used in various sectors of agriculture and industry. Since the 1950s, it and its derivatives have drawn the limelight in oilfield development. Because of the rapid development of petrochemical industry, the synthesis of raw materials (acrylonitrile) is guaranteed, coupled with simple polymerization process, easy to control the molecular weight, diversification of functional groups and so on, according to the geological, water quality and other changes, design different varieties to meet different Therefore, it is increasingly valued by all fields in the field. This article only describes the synthesis of polyacrylamide and its partial hydrolyzate and some applications in oilfield development.