Production method for preparing rewetting glue from corn starch

The invention provides a production method for preparing a rewetting glue from corn starch, and relates to the technical field of rewetting glue production. The production method for preparing the rewetting glue from the corn starch comprises the following steps: S1, preparing a chemical oxidizing agent and an esterifying agent required by production, adjusting the pH value of the solution, and preparing according to the required concentration for later use; S2, preparing 38% corn starch milk or directly using the corn starch milk in a reaction tank, uniformly stirring, and adjusting the temperature to 15-35 DEG C; and S3, adjusting the pH value of the corn starch milk to 10-12, and then adding an oxidizing agent according to the proportion of 34-40% of absolute dry weight of the corn starch. According to the invention, corn starch with wide sources is used as a raw material to replace existing synthetic resin and natural polymer substances, and after composite modification treatment,the corn starch is used a