With the development of oil and gas production technologies, some commonly used oilfield chemicals can no longer meet the requirements of production. A modified chitosan functional hydrophobic associative polymer CS-g-DLMB/AM/AA is synthesized by using a twin-tail monomer (DLMB), AM, and AA to graft-modify maleated chitosan in this study. The polymer was proved successful synthesis of the polymer. Through the study of rheological properties of polymers, CS-g-DLMB/AM/AA aqueous solution has excellent properties. The structure of chitosan enhances greatly the interaction force between the polymer molecular chains. The introduction of twin-tail improved the associative ability of the polymer molecular chain in water.

随着油气生产技术的发展，一些常用的油田化学品已不能满足生产要求。在本研究中，通过使用双尾单体（DLMB），AM和AA接枝改性马来酸化的壳聚糖，合成了改性的壳聚糖功能性疏水缔合聚合物CS- g -DLMB / AM / AA。证明该聚合物成功合成了聚合物。通过研究聚合物的流变性能，CS- g -DLMB / AM / AA水溶液具有优异的性能。壳聚糖的结构大大增强了聚合物分子链之间的相互作用力。双尾的引入提高了聚合物分子链在水中的缔合能力。