Cellulose acetate butyrate composite material based on ultra-low-dose nanofiller functional modification and application of cellulose acetate butyrate composite material

By using ultra-low doses of ellagic acid-based complex nanoparticles for functional modification in cellulose acetate butyrate, the insufficient performance of cellulose acetate butyrate film was solved, and the mechanical performance improvement and versatility enhancement were achieved, broadening its application areas and reducing production costs.

CN119708643APending Publication Date: 2025-03-28GUILIN UNIVERSITY OF TECHNOLOGY
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Patent Information

Application Number
CN202411956717.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-29
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The cellulose acetate butyrate film has poor scratch resistance, poor solvent resistance and mechanical properties, and lacks ultraviolet barriers, high-energy blue light barriers, ammonia-sensitive discoloration, and antioxidant functions, which limits its application in food active packaging and other fields.

Method used

Ultra-low dose (0.1wt%~0.4wt%) of ellagic acid-based complex nanoparticles are used as functional fillers for cellulose butyrate acetate. Through functional modification, the mechanical strength, toughness, ultraviolet barrier, high-energy blue light barrier, ammonia-sensitive discoloration, and antioxidant properties of cellulose acetate butyrate acetate materials are improved.

Benefits of technology

It has achieved efficient functional modification of cellulose acetate butyrate material, improved its application value in food packaging, smart materials, ammonia detection, environmental monitoring and safety, and reduced production costs.

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Abstract

The invention belongs to the technical field of polymer composite materials, and particularly relates to a cellulose acetate butyrate composite material based on ultra-low dosage nanofiller functional modification, which is prepared from the following raw materials: cellulose acetate butyrate and ellagic acid-based complex nanofiller. According to the invention, cellulose acetate butyrate is modified by using an ultra-low dose of ellagic acid-based complex nanofiller, so that the preparation method has the advantages of simple preparation process, low cost and the like, and effectively improves the mechanical strength, toughness, ultraviolet barrier, ammonia discoloration, oxidation resistance and other properties of the cellulose acetate butyrate material; and the material can be used as an intelligent indicating material to effectively indicate the freshness change condition of meat foods such as shrimps in the storage process, and has wide application value in the fields of food packaging, intelligent materials, ammonia gas detection, environment monitoring, safety and the like.
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