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发明公开
CN105440205A 一种具有表面活性功能的聚合物及其制备方法 有权

一种具有表面活性功能的聚合物及其制备方法
摘要：
本发明公开了一种具有表面活性功能的聚合物及其制备方法，该聚合物含有结构单元A、结构单元B和结构单元C，所述结构单元A为式(1)所示的结构单元，所述结构单元B为式(2)所示的结构单元，所述结构单元C为式(3)所示的结构单元，以所述聚合物中结构单元的总用量摩尔数为基准，所述结构单元A的含量为8-45摩尔％，所述结构单元B的含量为50-91摩尔％，所述结构单元C的含量为0.001-5摩尔％；所述聚合物的粘均分子量为800万-2500万；本发明的该聚合物可作为中低渗透油藏的驱油聚合物，具有水溶性好、增粘性强以及耐温抗盐性能和表面活性良好的优点，从而使得该聚合物具有良好的洗油效果。
摘要（英）：

The present invention discloses a polymer with a surface active function and a preparation method thereof, the polymer contains a structural unit A, a structural unit B and a structural unit C, the structural unit A is represented by formula (1), the structural unit B is represented by formula (2), the structural unit C is represented by formula (3), on the basis of total use amount mole number of the structural units of the polymer, the content of the structural unit A accounts for 8-45 mol%, the content of the structural unit B accounts for 50-91 mol%, and the content of the structural unit C accounts for 0.001-5 mol%; the viscosity-average molecular weight of the polymer is 8 million-25 million; the polymer can be used as a flooding polymer for a reservoir with low to medium permeability, and has the advantages of good water solubility, strong tackability and good temperature tolerance and salt-resisting properties and surface activity, and the polymer has good oil washing effect.

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