What are the multiple effects and wide application of magnesium hydroxide?
Magnesium hydroxide can be used as a flame retardant, acid wastewater neutralizer, heavy metal wastewater precipitation agent, flue gas desulfurization agent and cosmetics and food additives, while magnesium hydroxide is an important raw material for the production of magnesium oxide. Especially as an inorganic flame retardant, its high decomposition temperature, strong smoke suppression ability, good flame retardant effect, after decomposition will not produce toxic and corrosive substances,
Magnesium hydroxideIt can be used as flame retardant, acid wastewater neutralizer, heavy metal wastewater precipitant, flue gas desulfurizer, cosmetics and food additives, etc. At the same time, magnesium hydroxide is also an important raw material for the production of magnesium oxide. Especially as an inorganic flame retardant, it has high decomposition temperature, strong smoke suppression ability, good flame retardant effect, and no toxic and corrosive substances after decomposition, so it has been widely valued in various fields. Let's take a look at the usefulness of magnesium hydroxide in what aspects:
Magnesium hydroxide artificial non-polar flame retardant added to the polymer, the particle size distribution, morphology and purity of the polymer has a great influence. At present, the methods of producing magnesium hydroxide flame retardant include direct precipitation method, hydrothermal method, microwave synthesis method and precipitation boiling distillation method. In the actual industrial production, the use of a wide range of methods for direct precipitation and hydrothermal method, if you want to produce high-quality and special morphology of magnesium hydroxide products, often need these two methods combined with each other, can play a very good effect.
The precipitation process of magnesium hydroxide determines the quality of the product after hydrothermal water treatment, so it is of great significance to study the precipitation process of magnesium hydroxide.
Because magnesium hydroxide has strong adsorption power and high activity, especially the material certificate has non-sedimentation and non-coagulation properties, at the same time, it also has good fluidity, is easy to pump and store, and is convenient to use and adjust and control. Therefore, it has great application in the environmental field. These applications include neutralization of industrial acid-containing wastewater, removal of heavy metals from industrial and mine emissions, flue gas desulfurization, land acid rain treatment, and pH adjustment. Magnesium hydroxide is also used in the manufacture of magnesium salt, refined sugar, pharmaceutical industry, daily chemical industry, etc. At the same time, the water vapor it releases can also be used as a smoke suppressant. Magnesium hydroxide is a flame retardant with three functions of flame retardant, smoke suppression and filling in rubber and plastic industry. Emulsive suspensions of magnesium hydroxide are medically used as antacids and laxatives.
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Everyone knows that there are two common flame retardants. Today we are going to talk about only one of them. Aluminum hydroxide flame retardant is an environmentally friendly halogen-free flame retardant, which can be widely used in fabrics, wood, plastics, and rubber., Polyurethane and other industries have ideal flame retardant effect. In the process of industrial application, it is found that flame retardant failure occurs when aluminum hydroxide flame retardant is added. The following are the reasons for the failure of aluminum hydroxide flame retardant, how to prevent it, how to deal with the operation, and restore the original function.
As a flame retardant, magnesium hydroxide also need to improve what aspects?
When it comes to flame retardants, everyone is familiar with them. Although we usually have less contact with them, we can know what they are used for from the name. Have to talk about magnesium hydroxide, we all know that its main presentation state is a granular, at present, the market sales of magnesium hydroxide particle size is larger, part of the commodity particle size up to tens of microns, immediately used as a flame retardant, poor dispersion, the physical properties of raw materials greater harm. In industrial production, physical grinding methods are generally used to reduce the particle size to 1 micron. The surface of magnesium hydroxide has high polarity and is easy to agglomerate. As the compatibility of refractory materials and polymer substrates, it not only reduces its flame retardant grade, but also causes more serious harm to the physical properties of raw materials.
Hefei Zhongke Flame Retardant New Material Co., Ltd
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