聚N-烷基丙烯酰胺结构与性能及外界环境对溶液性能影响

Relationship between Structure and Properties of Poly(N-alkyl acrylamide)and Effect of External Environment on Solution Properties

聚N-烷基丙烯酰胺具有温度敏感的特殊性能、其良好的应用潜力成为高分子领域的研究热点。决定该类聚合物温度敏感性的关键因素是聚合物本身的结构,而且与聚合物所处的外界环境也有紧密关系。利用该类聚合物的温敏特性来适应油气田开发中的高温高盐地层具有重要的研究价值。本文综述了聚N-烷基丙烯酰胺结构对聚合物性能的影响,如亲疏水单体比例、温敏单体共聚方式、改性单体种类等;总结了聚N-烷基丙烯酰胺聚合物水溶液性能的影响因素,如不同种类表面活性剂、溶剂、离子强度、剪切速率等。

PNIPAm has a special property of temperature sensitive, and it is a hot research topic in the field of high polymer. Determine the temperature sensitivity of such polymers is a key factor in the structure of the polymer itself, but also the external environment in which the polymer also has a close relationship. Mintel use temperature of such polymers to adapt to oil and gas development in the high temperature and high salt formation has important research value. In this paper, the effect of the structure of PNIPAm on the properties of the polymer was reviewed, such asHydrophilic monomer and hydrophobic monomer ratio, temperature sensitive monomer copolymerization, modification monomer types; The influence factors of water solution properties of PNIPAm were summarized. , such as different kinds of surface active agent, solvent, ionic strength and shear rate.