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[Chemical Knowledge]：Properties and Uses of Flame Retardants

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The properties and uses
of flame retardants in the field of chemical production raw materials
flame retardants are a class of compounds that can prevent or slow down the spread of flames, and are widely used in various chemical production raw materials to improve the flame retardant properties of materials. This article will detail the properties and uses of flame retardants.

1. the properties of flame retardants

flame retardants usually have the following properties:

1. Thermal stability: flame retardants are not easy to decompose at high temperatures and can maintain a stable chemical structure, thereby effectively preventing the spread of flame.
2. non-flammability or flame retardant: flame retardant itself is usually non-flammable or flame retardant, can release non-flammable gas in the combustion process, dilute flammable gas, thereby inhibiting the spread of flame.
3. Smoke suppression: Flame retardants can reduce the generation of smoke during combustion and reduce the harm of smoke to personnel. The types of

2. flame retardants

flame retardants are various, and the common ones are as follows:

1. halogen flame retardants: such as chlorinated paraffin, decabromodiphenyl ether, etc., they release halogen radicals, capture the free radicals in the combustion process, and interrupt the chain reaction of flame propagation.
2. Phosphorus flame retardants: such as red phosphorus, phosphate, etc., they form phosphoric acid during the combustion process, promote the carbonization of the surface of the material, form a carbon layer that isolates oxygen, and prevent flame propagation.
3. Nitrogen-based flame retardants: such as melamine, urea, etc., which decomposes non-flammable gases at high temperatures, dilute flammable gases, and reduce flame propagation speed.
4. Inorganic flame retardants: such as aluminum hydroxide, magnesium hydroxide, etc., which release a large amount of water through endothermic decomposition and hydration, reduce the surface temperature of the material, and inhibit flame propagation. The use of

3. flame retardants

flame retardants are widely used in various chemical production raw materials, such as plastics, rubber, fibers, coatings, paper, etc., to improve their flame retardant properties. The specific application areas are as follows:

1. Plastic industry: Flame retardants are commonly used in polystyrene, polypropylene, polyethylene, polycarbonate and other plastics to improve their flame retardant properties and prevent fires.
2. Rubber industry: Flame retardants can be used in rubber products to improve the fire resistance and flame retardancy of rubber and extend the service life of rubber products.
3. Fiber industry: Flame retardants can be used in textiles to improve the flame retardant properties of fabrics, prevent flame spread, and improve people's safety.
4. Coating industry: Flame retardants can be added to the coating to improve the fire resistance of the coating and protect the safety of buildings and personnel. The development trend of

4. flame retardants

With the continuous improvement of people's requirements for safety and environmental protection, the development trend of flame retardants is gradually developing in the direction of high efficiency, environmental protection and multi-function. In the future, the research of flame retardant will pay more attention to improve the flame retardant performance, reduce the harm to the environment and human body, and improve the sustainability of the material.

In short, flame retardants play an important role in the field of chemical production raw materials, which can improve the flame retardant properties of materials, prevent fires, and protect people's lives and property.

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