驱油用高相对分子质量聚丙烯酰胺的制备

Preparation of High Relative Molecular W eight Polyacrylam ide for Enhanced Oil Recovery

以丙烯酰胺和丙烯酸钠为原料，利用一种氧化还原引发体系，采用水溶液共聚法合成了高相对分子质量的聚丙烯酰胺。研究了反应温度、引发剂的添加量、单体总百分含量、单体配比及体系的ｐ Ｈ值等因素对聚合物相对分子质量的影响，确定了最佳的反应条件。

The high relative m olecular w eightpolyacrylam ide w as prepared by copolym er ization in aqueous solution using acrylam ide and sodium acrylate as raw m aterialsand a novel redox initiation system . The effects of reaction tem perature, theam ounts of initiator,m onom er concentration,m ole ratio of m onom ers and p H ofsystem on the relative m olecular w eightof the polym ers w ere studied and the opti m um reaction conditions w ere determ ined.