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Application of Aluminum Hydroxide in Polymer Materials

Application of Aluminum Hydroxide in Polymer Materials

When talking about aluminum hydroxide, the first impression is used as a flame retardant material, but aluminum hydroxide is also commonly used in polymer materials. Let us understand together: 1. Metal oxide ATH can have a synergistic effect with many metal aluminas. It has been reported in the literature that ATH can have a synergistic effect with Ni, Zn, Mn, Zr, Sb, Fe and Ti oxides. Among them, Fe, Sb oxide to improve the flame retardant efficiency and dispersion effect is more prominent. 2. Alkaline earth metal hydroxide Alkaline earth metal hydroxide mainly refers to Mg(OH)2. The decomposition temperature of ATH is 200 ℃,M

12

2019

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07

Introduction of various types of flame retardants and comparative analysis of their advantages and disadvantages

Introduction of various types of flame retardants and comparative analysis of their advantages and disadvantages

In recent years, with the increase in the output of plastic products and the improvement of safety standards, flame retardants have become more widely used. Generally speaking, flame retardant materials can be divided into organic flame retardant materials and inorganic flame retardant materials. Among them, organic flame retardant materials are mainly halogen additives, and inorganic materials not only have a certain flame retardant effect, but also produce hydrogen chloride and prevent smoke. In addition, inorganic flame retardant materials are non-toxic, non-corrosive and inexpensive. The consumption of inorganic flame retardant materials in the United States, Japan and other countries exceeds 60%, however, the consumption of inorganic flame retardant materials in China is less than 10%. ① halogen flame retardant halogen flame retardant not only the largest output, but also

10

2019

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07

The future of magnesium hydroxide in the high-end flame retardant market prospects

The future of magnesium hydroxide in the high-end flame retardant market prospects

Magnesium hydroxide is a new type of filled flame retardant, in the process of thermal decomposition of the release of combined water, absorb a large amount of latent heat, in order to reduce the surface temperature of the filling of synthetic materials in the flame, with the inhibition of polymer decomposition and the effect of the production of combustible gas cooling. For a long time, magnesium hydroxide flame retardant in China are high-end products, basically belong to the blank. my country imports about 30000 tons per year, most of which are used by foreign-funded enterprises in China. They are mainly used for high-end materials, such as wires and cables for nuclear power plants, insulation materials for high-speed railways, and communication equipment. Magnesium hydroxide is formed after thermal decomposition

08

2019

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07

Do you know the application of aluminum hydroxide in waste incineration

Do you know the application of aluminum hydroxide in waste incineration

Waste incineration treatment is often seen in our lives, waste incineration will emit two types of harmful substances and heavy metals. The quality of waste incineration directly affects our health. But do you know that aluminum hydroxide is also used in waste incineration? Calcined aluminum hydroxide can generate activated alumina, which is widely used as adsorbent and catalyst carrier, and has the effect of promoting combustion, adsorbing two kinds of harmful substances, and inhibiting the dissolution of heavy metals in landfill incineration ashes. When the incinerator is operated in the range of 800~1000 ℃, the aluminum hydroxide becomes activated alumina. The specific surface area of activated alumina is 100~200m

06

2019

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07

What is the flame retardant effect of phosphorus flame retardants and what are the disadvantages?

What is the flame retardant effect of phosphorus flame retardants and what are the disadvantages?

Phosphorus flame retardants have long been used as flame retardants due to their own characteristics and properties. They not only overcome the shortcomings of large amount of smoke and release of toxic and corrosive gases during combustion of halogen flame retardants, but also improve the shortcomings of high addition amount of inorganic flame retardants, which seriously affect the physical and mechanical properties of materials. Phosphorus flame retardant is mainly through the material and oxidant, heat source between the formation of isolation film to achieve flame retardant effect. According to the different flame retardant effect of phosphorus compounds in different reaction zones, the flame retardant mechanism can be divided into condensed phase flame retardant mechanism and gas phase flame retardant mechanism.

05

2019

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07

Current Market Analysis and Application Effect of Magnesium Hydroxide

Current Market Analysis and Application Effect of Magnesium Hydroxide

Higher grade villas abroad, the wall materials are to add magnesium hydroxide, heat insulation effect is better. Many airports and large supermarkets also use magnesium hydroxide flame retardant materials on the roofs to keep warm in winter and heat in summer. The amount of foreign use is very large, but at present this material is not used much in our country. According to reports, the current raw materials used to extract magnesium hydroxide are mainly brucite ore. A large number of brucite mines in China are mainly in the Dandong region of the northeast, while the purity of magnesium hydroxide in the raw ore is only 95%, which can only be used as a low-end flame retardant, such as materials for subway seats and carriages. In higher grade spacer materials, hydrogen oxidation

03

2019

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07

How much do you know about the characteristics and use of aluminum hydroxide

How much do you know about the characteristics and use of aluminum hydroxide

Aluminum hydroxide is one of the most widely used inorganic flame retardants in the world. It has three functions of flame retardant, smoke elimination and filling. It has no secondary pollution during combustion, no toxic and corrosive gases during pyrolysis, and absorbs heat and releases water vapor. It has flame retardant and self-extinguishing properties. It not only has good dispersibility in polyolefin, but also is easy to produce flame retardant synergistic effect with other added substances. In addition, due to the existence of crystal water, it can also endow the polymer products with antistatic function, and at the same time improve and enhance the strength and toughness of high molecular polymers. Product features: 1. Excellent flame retardant smoke suppression performance-thermal dehydration decomposition, after dehydration in the combustible

28

2019

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06

Why flame retardant modification is so complex

Why flame retardant modification is so complex

Recently, Xiaobian often encounter similar problems, today we come to popularize: first, the combustion process of complex combustion has three conditions: combustible, combustion, to reach the ignition point. Because combustibles have a variety of phases (gaseous, liquid, solid, liquid has different vapor pressures, solid has tight and loose points), the concentration and diffusion of combustion improvers exist, and the ignition point exists high and low, so the combustion process is very complicated. This involves open burning and smoldering. In addition, the spread of fire is also part of the content of combustion. Therefore, there are also many combustion test modes, such as vertical combustion, horizontal combustion, glow wire

26

2019

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06

What is the application of magnesium hydroxide in sewage treatment

What is the application of magnesium hydroxide in sewage treatment

Magnesium hydroxide as an alkali has a unique buffer and neutralization capacity, in the use of the process of pH value will not exceed 9, the neutralization process is gentle, the precipitation grain is large, the sedimentation speed is fast, the silt is easy to filter and discharge, thus reducing the volume of silt, reduce the processing cost. And it has strong adsorption capacity, high activity and low corrosion. These advantages make magnesium hydroxide in such as papermaking, printing and dyeing, leather, electroplating, urban sewage and fluoride containing acid wastewater treatment can be widely used, as a professional manufacturer of magnesium hydroxide, the following will introduce the application of magnesium hydroxide in sewage treatment. 1,

24

2019

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06

Do you know the use of wood flame retardants?

Do you know the use of wood flame retardants?

Wood flame retardant is a new type of halogen-free environmentally friendly liquid flame retardant. This product has changed many shortcomings of traditional flame retardants, which are easy to return to moisture and low flame retardant grade. It is an environmentally friendly flame retardant with excellent performance in the world. Dedicated to wood (multilayer board, furniture, floor), insulation board and other industries. Advantages: 1. low smoke, smoke suppression; smoke toxicity than traditional flame retardants greatly reduced. 2. High efficiency: Due to its good permeability, it can achieve obvious flame retardant effect in a short time. 3. Halogen-free, non-toxic, in line with international environmental requirements. 4. Flame retardant grade: can reach B1 flame retardant grade, such as: wood oxygen index can reach 80%,

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