Production method of high-viscosity starch adhesive with slow release function

The invention discloses a production method of a high-viscosity starch adhesive with a slow release function, and belongs to the technical field of starch adhesives, the production method comprises the following steps: preparing corn starch milk, etherifying and cross-linking, and mixing; the preparation method comprises the following steps: mixing materials, taking high-viscosity starch and deionized water, adding the high-viscosity starch and the deionized water into a reaction kettle, controlling the temperature of a reactor to be 30-40 DEG C, stirring, adding a glycerol aqueous solution and a complex aqueous solution, continuously stirring, then adding nano-particles, raising the temperature of the reactor to be 80-85 DEG C, and continuously stirring to obtain the high-viscosity starch adhesive with a slow release function. The high-viscosity starch adhesive produced by the invention can solve the problems that a slow-release fertilizer is relatively large in release amount in the early stage, relatively