Rapid self-repairing antibacterial compression garbage truck metal plate coating and preparation method thereof

By applying a coating containing modified phenolic epoxy resin, modified carboxymethyl chitosan and modified self-healing microcapsules on the metal plate of the compressed garbage truck, the problems of insufficient durability and antibacterial properties of the existing coating are solved, and better metal plate protection and environmental cleaning are achieved.

CN119912860AInactive Publication Date: 2025-05-02HUBEI KAILI SPECIAL VEHICLE CO LTD
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Patent Information

Application Number
CN202510376511.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-28
Publication Date
2025-05-02
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing metal plate coating of compressed garbage trucks has poor durability and insufficient antibacterial properties in harsh environments, making it difficult to effectively protect metal plates, resulting in increased corrosion and environmental pollution.

Method used

A quick self-healing antibacterial compression garbage truck metal plate coating is used, and the base coat contains modified phenolic epoxy resin, polyamide curing agent, modified carboxymethyl chitosan and zinc phosphate. The top coat contains styrene-acrylate emulsion, modified lignin, glycol butyl ether and improved self-healing microcapsules to enhance the self-healing and antibacterial properties of the coating.

Benefits of technology

It significantly improves the durability and antibacterial properties of the coating, enhances the protection of metal plates, extends the service life of the coating, and effectively inhibits the growth of bacteria in garbage, and reduces environmental pollution.

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Abstract

The invention relates to the technical field of coating compositions, in particular to a rapid self-repairing antibacterial compression garbage truck metal plate coating and a preparation method thereof. The defects that an existing metal plate coating of the compression garbage truck is poor in durability and antibacterial property are overcome. The metal plate coating is obtained by preparing a bottom coating and a top coating and coating the surface of a metal plate with the bottom coating and the top coating, wherein the bottom coating is prepared from the following raw materials: modified novolac epoxy resin, a polyamide curing agent, modified carboxymethyl chitosan, zinc phosphate and nano silicon dioxide; the surface coating comprises the following components: styrene-acrylate emulsion, modified lignin, ethylene glycol butyl ether, improved self-repairing microcapsules and a polyacrylic acid dispersing agent; by adding the improved self-repairing microcapsules, the self-repairing performance of the coating is enhanced, so that the durability of the coating is enhanced; and by adding modified carboxymethyl chitosan, modified lignin and improved self-repairing microcapsules, the antibacterial property of the coating is also guaranteed.
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