Rare earth hybrid flame retardant as well as preparation method and application thereof

The preparation of rare earth hybrid flame retardants by loading rare earth hydroxides through in-situ deposition method solves the problems of flammability and mechanical properties of polymer materials, and achieves the synchronous improvement of flame retardant, smoke suppression and mechanical properties, reducing costs and energy consumption.

CN120365631AActive Publication Date: 2025-07-25UNIV OF SCI & TECH OF CHINA +1
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Patent Information

Application Number
CN202510867206.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-06-26
Publication Date
2025-07-25
Estimated Expiration
2045-06-26

AI Technical Summary

Technical Problem

Existing polymer materials are flammable and produce a large amount of toxic flue gas when burned. Traditional flame retardants damage the mechanical properties of the material while improving the flame retardant efficiency, and are costly and have poor environmental protection.

Method used

The rare earth hydroxide is loaded on the surface of the flame retardant by in-situ deposition method to construct a rare earth hybrid flame retardant. Through the synergistic action of the gas-phase-coagulation phase, the ratio of rare earth hydroxide to the flame retardant is regulated, and the dispersion and flame retardant effect are improved.

Benefits of technology

The flame retardant, smoke suppression and mechanical properties of polymer materials have been achieved, reducing production costs and energy consumption, and improving environmental protection performance.

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Abstract

The invention discloses a rare earth hybrid flame retardant as well as a preparation method and application thereof, and belongs to the technical fields of inorganic synthesis, flame retardants and high polymer materials. Rare earth hydroxide is successfully loaded on the surface of a flame retardant through an in-situ deposition method to prepare a rare earth hybrid flame retardant, and the rare earth hybrid flame retardant is further dispersed in a high polymer material matrix through melt blending to prepare the flame-retardant high polymer composite material. The hybrid flame retardant prepared by a deposition method can significantly improve the dispersion compatibility of the flame retardant in a high polymer material, and effectively alleviates the mechanical property degradation caused by the filling of the traditional flame retardant; based on the gas phase-condensation phase synergistic effect of the rare earth hydroxide and the flame retardant, the flame retardance and smoke suppression performance of the high polymer material can be synchronously improved. The rare earth hybrid flame retardant can be applied to various high polymer materials such as polyolefin cables, thermoplastic elastomers, polyurethane and the like, can synchronously improve flame retardance, smoke suppression, mechanical performance and comprehensive performance, and has a wide application prospect.
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