1. Application background of flame retardants
Flame retardants are chemicals that reduce the flammability of materials and inhibit the spread of flames. With the development of modern industry, the requirements for the fire resistance of materials are increasing day by day. Flame retardants play a vital role in the production and application of plastics, rubber, textiles and other materials. As an efficient and broad-spectrum flame retardant, DBDPE has attracted much attention due to its excellent performance.
2. The main uses of DBDPE
Plastic field
DBDPE is the most widely used in the plastics field.
Styrenic polymers: DBDPE is the most widely used in styrenic polymers (such as polystyrene, ABS, etc.). By adding an appropriate amount of DBDPE, the flame retardant properties of these plastics can be significantly improved, making them meet the requirements of various fire protection standards.
Engineering thermoplastics: Engineering thermoplastics (such as nylon, polycarbonate, etc.) are widely used in electronic appliances, automobiles and other fields. As a flame retardant for these plastics, DBDPE can not only improve the flame retardant properties, but also maintain the original mechanical properties and processing properties of the plastics.
Thermosetting plastics: Thermosetting plastics (such as phenolic resin, epoxy resin, etc.) solidify into hard solids at high temperatures and have excellent heat resistance and mechanical properties. As a flame retardant for thermosetting plastics, DBDPE can significantly improve the flame retardant properties without affecting its heat resistance and mechanical properties.
Wire and cable field
Wires and cables are important carriers for power transmission and communication, and their flame retardant properties are directly related to the safe operation of the power system. As a flame retardant for wire and cable coatings, DBDPE can effectively improve the flame retardant properties of wires and cables and reduce the occurrence of fire accidents. At the same time, DBDPE also has good electrical properties and can meet the electrical performance requirements of wires and cables.
Rubber field
DBDPE can also be added to rubber products to improve its flame retardant properties. These flame-retardant rubber products are widely used in transportation, aerospace and other fields. For example, flame-retardant rubber tires can improve the safety of automobiles, and flame-retardant rubber seals can improve the reliability of aerospace equipment.
Coating field
As an indispensable material in construction, automobile, furniture and other industries, coatings' flame retardant properties are crucial to fire safety. As an efficient and broad-spectrum flame retardant, DBDPE can exert its unique flame retardant effect in coatings. By adding an appropriate amount of DBDPE, when the paint is exposed to a fire source, it can quickly form a protective film to prevent the transfer of heat and oxygen, thereby delaying the burning process of the paint and reducing the risk of fire. The application of DBDPE in coatings can also improve the weather resistance and chemical resistance of coatings. Because DBDPE has a high melting point and glass transition temperature and can remain solid at high temperatures, it can effectively prevent the coating from deforming or melting in high temperature environments. At the same time, DBDPE can also react with other ingredients in the coating to improve the stability and chemical resistance of the coating, thereby extending the service life of the coating.
3. Flame retardant mechanism of DBDPE
The flame retardant mechanism of DBDPE mainly includes free radical capture, isolation, heat insulation, gas dilution and carbon layer formation. At high temperatures, DBDPE can quickly migrate to the surface of the material to form a protective film, preventing heat and oxygen from transferring into the material and delaying the burning process of the material. At the same time, DBDPE can also release a large amount of inert gas, diluting the oxygen concentration around the material and reducing the burning rate of the flame. DBDPE can also promote the formation of the carbon layer, improve the quality and thickness of the carbon layer, thereby improving the flame retardant properties of the material.