Comparison of Microencapsulated Red Phosphorus Flame Retardant and Ordinary Red Phosphorus Flame Retardant

Comparison of Microencapsulated Red Phosphorus Flame Retardant and Ordinary Red Phosphorus Flame Retardant

Flame retardants are chemical additives commonly used to enhance the flame retardancy of materials. Among them, microencapsulated red phosphorus flame retardants and ordinary red phosphorus flame retardants are common flame retardant materials. In this paper, we will compare these two flame retardants, including their advantages, disadvantages and application areas.

Ordinary red phosphorus flame retardant is a flame retardant material based on the element red phosphorus. It acts as a flame retardant by generating phosphate from red phosphorus at high temperature to form a flame-retardant layer.

Microencapsulated red phosphorus flame retardant is a kind of flame retardant material that wraps red phosphorus in microcapsules. It is characterized by the fact that the protective layer of the microcapsule can be unraveled at high temperature to release the red phosphorus, thus providing a good flame retardant effect.

1. Comparison of advantages and disadvantages:

Microencapsulated red phosphorus flame retardant:

A. Advantages:

a. Efficient flame retardant performance: microcapsule encapsulation technology can evenly encapsulate red phosphorus in microcapsules, so that it can be released more uniformly in the material and improve the flame retardant effect.

b. Environmental protection and safety: Microencapsulation coating technology can effectively reduce the volatility and toxicity of red phosphorus, reduce the pollution of the environment and human body.

c. Good weather resistance: Microcapsule coating layer can improve the weather resistance of red phosphorus and prolong the service life of the material.

B. Disadvantages:

a. Higher cost: the preparation of microcapsule-coated red phosphorus flame retardant requires certain technology and equipment, thus resulting in a higher production cost.

b. Complicated process: The preparation process of microcapsule coated red phosphorus flame retardant is relatively complicated, which requires certain professional knowledge and operation skills.

Ordinary red phosphorus flame retardants:

A. Advantages:

a. Efficient flame retardant performance: as a common flame retardant, red phosphorus can decompose rapidly and release non-toxic and harmless gases at high temperatures, which can effectively inhibit the spread of flame.

b. Lower Cost: The production process of common red phosphorus flame retardant is relatively simple and low cost.

B. Disadvantages:

a. Higher toxicity: ordinary red phosphorus flame retardant will release some toxic gases at high temperature, which will cause some pollution to the environment and human body.

b. Poor dispersion: the dispersion of ordinary red phosphorus flame retardant in the material is poor, and it is easy to have unsatisfactory local flame retardant effect.

2. Comparison of production process:

Microcapsule coated red phosphorus flame retardant:

A. Mix red phosphorus particles and coating agent evenly.

B. Coat the coating agent on the surface of red phosphorus particles to form microcapsules by spray drying or oil immersion, etc. C. Coat the microcapsules with red phosphorus particles to form microcapsules.

C. Mix the microcapsule coated red phosphorus flame retardant with the target material.

Ordinary red phosphorus flame retardant:

A. Mix the red phosphorus particles with the target material.

B. Mix the red phosphorus particles with the target material by hot pressing or extruding.

3. Comparison in application:

A. Microcapsule-coated red phosphorus flame retardants are widely used in the following fields:

Plastic products: including the flame retardant treatment of plastic products such as polypropylene, polyethylene, polyvinyl chloride and so on.

Rubber products: such as rubber hose, rubber seals and other flame retardant treatment.

Textiles: including textile fabrics, textile products and other flame retardant treatment.

B. Ordinary red phosphorus flame retardant: Ordinary red phosphorus flame retardant is widely used in the following fields:

Plastic products: including the flame retardant treatment of polypropylene, polyethylene, polyvinyl chloride and other plastic products.

Rubber products: such as rubber hose, rubber seals and other flame retardant treatment.

Coatings: including architectural coatings, marine coatings and other flame retardant treatment.

Both microcapsule-coated red phosphorus flame retardant and ordinary red phosphorus flame retardant have certain advantages and application value in enhancing the flame retardancy of materials. Microcapsule-coated red phosphorus flame retardant has more efficient flame retardant performance and better stability, but the preparation cost is higher; while ordinary red phosphorus flame retardant has a wide range of application, but is relatively insufficient in smoke generation and stability. In practical applications, it is necessary to choose suitable flame retardants according to specific materials and environmental requirements.

The above is the introduction of the comparison between coated red phosphorus and ordinary red phosphorus flame retardant. If you still need to know other related information, welcome to check the website, or contact us directly.