The result shows that polymer has apparent inhibiting effect on dimulsification,and using 31 kinds of dimulsifier singly cannot have ideal effect on oil emulsion containing polymer.

• 结果表明,聚合物对破乳有明显的抑制作用,而且单独使用31种破乳剂对含聚合物的原油乳状液均不能产生理想的破乳效果;