A new type of precrosslinked gel profile control agent based on starch-aerylamide graft polymer was synthesized, which simplified the process and reduced the production cost.

• 采用一次投料法合成用作预交联凝胶调剖剂的淀粉-丙烯酰胺接枝共聚物,简化了生产工艺,降低了生产成本;