Innovation Driven in Flame Retardant Field: Zehui Modified Magnesium Hydroxide Key Technology

Magnesium hydroxide and other magnesium compounds material application in the international has nearly a hundred years of development history, and the use is very wide. With the continuous progress and excavation of science and technology, it is still broadening its application field, and in recent years, the field of flame retardant has become the focus of magnesium oxide production enterprises. As a benchmark enterprise in China, Zehui has laid a solid foundation for the growth of flame retardant field through its high quality modified magnesium hydroxide in the past 20 years.

The following is a brief description of the key technology of Zehui modified magnesium hydroxide:

1.The need for modified magnesium hydroxide

As an environmentally friendly green flame retardant, magnesium hydroxide has the advantages of good flame retardancy, non-toxicity and non-corrosiveness. However, the magnesium hydroxide produced on the market has a large particle size, and when used directly as a flame retardant, it suffers from poor dispersion and incompatibility with the polymer matrix, which affects the flame retardant effect and the mechanical properties of the material. Therefore, modification of magnesium hydroxide to improve its dispersion and compatibility in polymers has become the key to enhance the performance of flame retardants.

2. The key technology of modified magnesium hydroxide

Ultra-fine technology: Reduce the particle size of magnesium hydroxide to nano or micron level by physical or chemical methods. Superfine magnesium hydroxide has higher specific surface area and surface energy, easier to disperse in the polymer and improve the flame retardant efficiency. Surface chemical coating: Surface modification of magnesium hydroxide using surfactants, coupling agents, hyperdispersants and so on. These modifiers can chemically react or physically adsorb with the surface of magnesium hydroxide to form a coating layer and improve the compatibility of magnesium hydroxide with the polymer matrix. Among them, coupling agents such as silane coupling agent is one of the most commonly used modifiers, which can significantly reduce the apparent viscosity of the composite system, improve the fluidity of the system, and improve the flame retardant properties. Microencapsulation technology: Magnesium hydroxide is wrapped in a polymer membrane to form microcapsules. Microencapsulation technology can not only improve the compatibility of magnesium hydroxide and polymer matrix, but also improve the mechanical properties of composite materials, thermal stability and flame retardant properties. NANOFIZATION TECHNOLOGY: Nano-scale magnesium hydroxide is prepared by using nanotechnology. Nanoscale magnesium hydroxide has higher surface activity and smaller particle size, which can be more evenly dispersed in the polymer and improve the flame retardant effect.

Jiangsu Zehui Magnesium Base has been deeply engaged in magnesium hydroxide products for more than 20 years, and has realized innovation drive and industrial upgrading in the field of flame retardant through modified magnesium hydroxide technology, as well as reached strategic cooperation with many domestic enterprises. In addition Zehui is also able to customize magnesium oxide products according to customers' needs, and provide professional technical support and after-sales service to ensure that customers get the best results in the process of use.