Preparation method of protein amido straw cellulose salt-absorbing and water-retaining composite material

By preparing a straw cellulose-based salt-absorbing and water-retaining composite material containing amide bonds, the problems of high preparation cost and environmental pollution of feather and straw materials were solved, achieving the effects of saline-alkali land improvement and soil carbonization, while the material is biodegradable.

CN121064644APending Publication Date: 2025-12-05SHIHEZI UNIVERSITY
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Patent Information

Application Number
CN202511140541.9
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-15
Publication Date
2025-12-05

AI Technical Summary

Technical Problem

Existing technologies for preparing water-absorbing and water-retaining materials using feathers and straw have problems such as high cost and environmental pollution, and straw cellulose requires additional nitrogen during degradation in soil.

Method used

By polymerizing waste feather protein with straw cellulose and adding environmentally friendly active substances, a straw cellulose-based salt-absorbing and water-retaining composite material containing amide bonds is prepared. The material has self-sufficient biodegradability, and the preparation process is simple and inexpensive.

Benefits of technology

The material achieves salt absorption and water retention functions, reduces the harm of agricultural chemicals to the soil, is suitable for saline-alkali land improvement and soil carbon enrichment and fertilization, and the material is completely biodegradable.

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Abstract

The invention belongs to the technical field of straw resource utilization, and discloses a preparation method of a protein amido straw cellulose salt-absorbing and water-retaining composite material. The straw cellulose-based salt-absorbing and water-retaining composite material containing amido bonds is prepared by obtaining micromolecular amino acid containing a large number of amido bonds from waste feather protein, then prepolymerizing the micromolecular amino acid with hydroxyl of straw cellulose and adding an environment-friendly active substance with a water-retaining function, and the material contains nitrogen in a certain proportion, can realize self-contained biodegradation and has a good water-retaining effect. The method can be applied to saline-alkali soil improvement and soil recarburization and fertility improvement, and harm of agricultural chemicals to soil is reduced.
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