分子间高缔合比例疏水聚合物研究(Ⅰ)  

HYDROPHOBICALLY ASSOCIATING WATER-SOLUBLE POLYMER WITH HIGH-RATIO INTER-MOLECULAR ASSOCIATION (Ⅰ)

作　　者：冯茹森[1] 郭拥军[1] 薛新生[1] 李爱辉 

机构地区：[1]"油气藏地质及开发工程"国家重点实验室.西南石油大学,四川成都610500 [2]西安长庆钻宇集团咸阳石化有限公司

出　　处：《西南石油大学学报（自然科学版）》2007年第3期164-167,共4页Journal of Southwest Petroleum University(Science & Technology Edition)

基　　金：国家重点基础研究发展规划项目(973计划)"化学驱和微生物提高石油采收率的基础研究:新型高效聚合物分子设计与合成(2005CB221302)"的部分内容。

摘　　要：分析了目前疏水缔合聚合物在研究和应用中的存在问题,认为主要原因是聚合物分子结构设计不当和聚合反应控制不当。分析了环境-疏水缔合作用-HAWP流变性之间的相互作用关系,认为疏水缔合作用是HAWP水溶液中形成可逆的超分子结构和溶液保持其结构流体特性的根本原因,而分子设计的手段可以实现对分子链内缔合/分子链间缔合动态平衡的调节。分析了疏水缔合作用与HAWP溶液耐温抗盐性能之间的关系,提出了设计分子间高缔合比例疏水缔合聚合物的分子设计目标通过调节所引入疏水基团参与溶液超分子缔合结构的效率,使其溶液的耐温抗盐性能得到进一步提高,同时尽可能降低因疏水基团的引入带来的负面影响。After the studies are conducted and problems existing in applications of hydrophobically associating water-soluble polymers(HAWP) have been discussed, it is concluded that all these problems in different aspects are the result of incorrect molecular design and inexact control during polymerization process. The relationship between hydrophobical interaction and properties of HAWP, as well as effects of temperature and salt on HAWP solution, are studied, a new idea about HAWP molecular design is put forward that intra/inter-molecular association can be tuned by rationally choosing spacer and chemical bond between main chain and its hydrophobic contents. This new method is named as HAWP molecular design with high-ratio inter-molecular association. The object of high-ratio inter-molecular association molecular design is to furtherly improve temperature tolerance and salt resistance ability of HAWP and decrease side-effect of hydrophobic contents as well.

关 键 词：疏水缔合聚合物 分子设计 分子内/分子间缔合 疏水效应 作用机理 

分 类 号：TE357.431[石油与天然气工程—油气田开发工程]