Bamboo powder biodegradable material using succinic acid and butanediol as precursors and preparation method thereof

By polymerizing succinic acid and butylene glycol and capping it with N-(2-hydroxyethyl)maleimide, and mixing it with modified bamboo powder, polymethylethylene carbonate, and polyhydroxy fatty acid esters, bamboo powder biodegradable materials with succinic acid and butylene glycol as precursors were prepared, which solved the problem of insufficient processing and mechanical properties caused by the low molecular weight of existing polybutylene glycol succinate materials, and achieved improvement of the mechanical properties and flame retardant properties of the material.

CN116285255BActive Publication Date: 2025-03-28SHANTOU LEISHI PLASTIC TECH CO LTD
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Patent Information

Application Number
CN202310319566.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-03-29
Publication Date
2025-03-28
Estimated Expiration
2043-03-29

AI Technical Summary

Technical Problem

The molecular weight of existing polybutylene succinate materials is not high, resulting in low melt viscosity, limiting their processing and mechanical properties.

Method used

By polymerizing succinic acid and butylene glycol and capping it with N-(2-hydroxyethyl)maleimide, maleimide-capped polybutylene succinate was prepared, and mixed with modified bamboo powder, polymethylethylene carbonate, and polyhydroxy fatty acid esters, bamboo powder biodegradable materials with succinic acid and butylene glycol as precursors were prepared by extrusion granulation process.

Benefits of technology

It improves the mechanical properties and flame retardant properties of the materials, while maintaining good biodegradation properties, solving the shortcomings of existing materials in processing molding and mechanical properties.

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Abstract

The invention discloses a bamboo powder biodegradable material with succinic acid and butanediol as precursors and a preparation method thereof, and relates to the technical field of polymer materials. The preparation method of the present invention first polymerizes succinic acid and 1,4-butanediol and end-capsulates with N-(2-hydroxyethyl) maleimide to obtain maleimide-end-capped polybutylene succinate; melamine and 2-furanacetyl chloride are reacted, and then reacted with propylphosphonyl dichloride to obtain polyphosphamide; after acidifying and chlorinating the pretreated bamboo powder, it is reacted with polyphosphamide to obtain modified bamboo powder; maleimide-end-capped polybutylene succinate, modified bamboo powder, polymethyl ethylene carbonate, and polyhydroxyalkanoate are mixed and granulated to obtain a bamboo powder biodegradable material with succinic acid and butanediol as precursors. The bamboo powder biodegradable material with succinic acid and butanediol as precursors prepared by the present invention has excellent flame retardancy, impact resistance and biodegradability.
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