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How to improve the flame retardant and comprehensive performance of halogen-free flame retardants through modification or compounding technology?

Publish Time: 2024-04-01
Improving the flame retardant and comprehensive performance of halogen-free flame retardants through modification or compounding technology is a common research direction. The following are some possible methods:

Nanocomposite materials: Using nanomaterials such as graphene oxide, nanoalumina, etc. to compound them with halogen-free flame retardants can improve their flame retardant properties. These nanomaterials have a large specific surface area and special structure, which can increase the interaction between the flame retardant and the polymer matrix and improve the flame retardant effect.

Polymer matrix modification: By introducing functional monomers with flame retardant properties into the polymer matrix, such as nitrogen-containing, silicon-containing compounds, or blending flammable polymers with halogen-free flame retardants, the material's properties can be improved. Overall flame retardant performance.

Surface modification: By modifying the surface of the halogen-free flame retardant, such as introducing hydrophilic groups, hydrophobic groups, etc., its dispersion and compatibility in the polymer matrix can be improved, and the flame retardancy can be improved. Effect.

Synergy: Use different types of halogen-free flame retardants in combination to use the synergistic effect between them to improve flame retardant performance. For example, the combined use of phosphorus-based flame retardants and nitrogen-based flame retardants can bring into play the advantages of both to improve the flame retardant effect.

Functional fillers: Introducing fillers with flame retardant functions, such as aluminum hydroxide, silicate, etc., and using them in combination with halogen-free flame retardants can increase the flame retardant properties of the material and improve the mechanical properties.

Reactive flame retardants: Design and synthesize halogen-free flame retardants with reactive functions so that they can chemically react with the polymer matrix under high temperature conditions to form a stable flame retardant layer and improve the flame retardant effect.

Intelligent flame retardant system: Use intelligent flame retardant technology, such as microencapsulation technology, phase change material technology, etc., to design and prepare a flame retardant system with self-healing, self-sealing and other functions to improve the fire resistance and durability of the material.

Through the comprehensive application of the above methods, the flame retardant performance and comprehensive performance of halogen-free flame retardants can be effectively improved to meet the material performance requirements of different application fields.
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