Innovative preparation and performance optimization of highly filled magnesium hydroxide halogen-free flame retardant composites

With the increasing emphasis on environmental protection and safety standards, the development of halogen-free flame retardant materials has become a hot topic in the field of materials science. Magnesium hydroxide (Mg(OH)_2) is an efficient halogen-free flame retardant, and its preparation and performance research on halogen-free flame retardant composite materials under high filling amounts are receiving widespread attention.

Material design and preparation methods

Research focuses on selecting appropriate matrix materials, such as polypropylene (PP), polystyrene (PS), etc., and compounding them with a high proportion of magnesium hydroxide filler. Techniques such as melt blending are used in combination with surface modification treatments such as coupling agents or coating techniques to improve compatibility and dispersion. Performance optimization strategies

In the face of the problem of decreased mechanical properties caused by high filling content, the study optimizes the mechanical properties by adjusting the formula, optimizing the processing technology, introducing toughening agents, etc., to ensure that the material has sufficient tensile, bending and impact strength.

In-depth study of the flame retardant mechanism of magnesium hydroxide, including its decomposition and absorption of heat, release of water vapor, and formation of a magnesium oxide protective layer, in order to inhibit the combustion of the material. Thermal performance and fire resistance evaluation

Use TGA, DSC, LOI testing and other technologies to evaluate the thermal stability and flame retardant properties of composite materials to ensure their efficient flame retardant capabilities under fire conditions. Environmental and health impact considerations

Emphasis on the environmental friendliness and low health risks of halogen-free flame retardant composite materials, compared with traditional halogen-containing flame retardants, it has lower toxicity and smoke density. Processing performance and application prospects

Explore how to improve the comprehensive performance of materials while maintaining good processing performance to meet the application needs of multiple fields such as electronic appliances, building materials, and automotive interiors. The preparation and performance research of highly filled magnesium hydroxide halogen-free flame retardant composite materials is a multi-objective, multi-dimensional comprehensive topic. Through innovative material design and processing technology, it aims to develop flame retardant materials that are both environmentally friendly and efficient to meet the requirements of modern society for safety and sustainable development.