A kind of boron-loaded cellulose superabsorbent resin and preparation method thereof

Abstract

The invention discloses a boron-carried cellulose super absorbent resin. The boron-carried cellulose super absorbent resin is prepared by carrying out reactions among the following raw materials: hydroxypropyl methyl cellulose, acrylic acid, sodium hydroxide, ammonium persulfate, sodium hydrogen sulfite, polyethylene glycol diacrylate and diglyceryl borate monoacrylate, wherein the mass ratio of acrylic acid to hydroxypropyl methyl cellulose is (4-9):1; the mass ratio of acrylic acid to sodium hydroxide is (0.6-1.4):1; the mass ratio of acrylic acid to ammonium persulfate is (16.7-500): ; themass ratio of acrylic acid to sodium hydrogen sulfite is (16.7-500):1; the mass ratio of acrylic acid to polyethylene glycol diacrylate is (200-1000):1; the mass ratio of acrylic acid to diglyceryl borate monoacrylate is (1-100):1. The resin can be directly mixed with a culture substrate or soil; water is slowly released; the effect lasts for a long time, and the water content in soil can be increased; the boron element can be slowly released, and the boron content in the substrate or the soil can be increased; the growing and developin g of crops can be promoted; the purposes of improving thesoil structure and holding water and fertilizer can be achieved.

Description

technical field [0001] The invention belongs to the technical field of superabsorbent resins, and in particular relates to a boron-loaded cellulose superabsorbent resin and a preparation method thereof. Background technique [0002] my country's water shortage is one of the most water-scarce countries in the world. my country is also a large agricultural country, and agricultural water accounts for a large proportion of the country's water consumption. In addition, the current use of water resources in my country's agricultural production process is still dominated by extensive methods, which not only has a low utilization rate, but also causes a lot of waste of water resources. . In recent years, the contradiction between supply and demand of water resources in my country has become more prominent. Boron is one of the trace elements necessary for the growth and development of crops. It can promote the transportation of carbohydrates, the establishment and development of re...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of boron shortage in soil, poor water retention capacity of soil, and poor salt tolerance and stability of starch-type superabsorbent resin, and propose a method that can improve soil structure, has good salt tolerance and is not easy to degrade, and can Agricultural safe superabsorbent resin that provides trace boron element for soil, has excellent water absorption and water retention performance, and promotes crop growth and development, and preparation method thereof

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