Why can aluminum hydroxide be used as a flame retardant material?
With the increasing application of flame retardants, people have more and more in-depth understanding of the properties of flame retardants. It is found that the use of halogen-containing flame retardants has long-term damage to the environment and human body, so the non-halogen, smoke suppression and attenuation of flame retardants have become the forefront of current and future flame retardant research.
With the increasing application of flame retardants, people have more and more in-depth understanding of the properties of flame retardants. It is found that the use of halogen-containing flame retardants has long-term damage to the environment and human body, so the non-halogen, smoke suppression and attenuation of flame retardants have become the forefront of current and future flame retardant research.aluminum hydroxideAs a flame retardant, it is widely used in the domestic and foreign markets. Because of the different types of polymers used in combination, the description of its spontaneous combustion process is not consistent. The general view is that the flame retardant effect of ATH is the result of the synergy of several mechanisms. Therefore, the flame retardant mechanism of aluminum hydroxide flame retardant is as follows:
1. Endothermic effect: Dehydration and endothermic at 170 ℃, reducing the temperature rise of the polymer.
2) The role of coverage. After ATH dehydration, Al2O3 protective film is generated on the surface of combustibles to isolate oxygen and prevent continued combustion.
3, carbonization: flame retardant in the combustion conditions to produce strong dewatering material, is the plastic carbonization and not easy to produce flammable volatiles, so as to prevent the spread of flame.
4, dilution: ATH filling, so that the concentration of flammable polymers decreased. The water vapor released by the dehydration of ATH dilutes the concentration of flammable gases and oxygen, which can prevent combustion.
Aluminum hydroxide flame retardant is more and more important in the field of flame retardant because of its advantages of non-toxic, harmless and moderate price.
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Zhongke Flame Retardant Organization Watches 20 Closing Ceremonies
On the morning of October 22, 2022, members of Zhongke Flame Retardant New Materials Co., Ltd. watched the closing ceremony of the 20th Congress under the leadership of General Manager Wang Ligui.
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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Ministry of Foreign Trade Telephone:13956052398
Comprehensive department Telephone:0551-67712199
Company headquarters address: Hefei Feidong Economic Development Zone Xianghe Road 36
E-mail:hefei@zkxcl.com
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