The reason why aluminum hydroxide flame retardant can extinguish


 

With the continuous improvement of people's safety awareness and health awareness, aluminum hydroxide flame retardants have gradually become an indispensable part of our lives. Now countries around the world still regard the research and development of flame retardants as a task, and they have also achieved certain results. So, aluminum hydroxide flame retardant is how to play flame retardant?

1. Aluminum hydroxide flame retardant is used as a monomer to participate in the polymerization reaction, so that the polymer itself contains flame retardant components, its advantage is that it has little effect on the performance of polymer materials, and its flame retardant effect is durable through several mechanisms, such as endothermic effect, covering effect, inhibition of chain reaction, non-combustible gas suffocation effect, etc. Most flame retardants achieve the purpose of flame retardancy through the joint action of several mechanisms.

2. Aluminum hydroxide flame retardant, a functional additive that gives flammable polymers flame retardant, is mainly designed for the flame retardant of polymer materials.

3. There are many types of aluminum hydroxide flame retardants, which are divided into additive aluminum hydroxide flame retardants and reactive aluminum hydroxide flame retardants according to the method of use. The additive aluminum hydroxide flame retardant is added to the polymer by mechanical mixing to make the polymer flame retardant.

At present, aluminum hydroxide flame retardants mainly include organic aluminum hydroxide flame retardants and inorganic aluminum hydroxide flame retardants, aluminum hydroxide flame retardants (organic chlorides and organic bromides) and non-halogen. It absorbs the heat generated during combustion and plays the role of cooling to slow down the combustion rate. such as aluminum hydroxide,

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What are the reasons for the failure of flame retardant after adding aluminum hydroxide flame retardant?

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.