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Application and challenge of molybdenum flame retardant in polyvinyl chloride (PVC) materials
Release time:
2024-01-25
Polyvinyl chloride (PVC) is a plastic material widely used in wire and cable, building materials and packaging materials. However, the flammability of PVC materials limits their range of applications. In order to improve the fire resistance of PVC materials, flame retardants need to be added. This paper will discuss the application of molybdenum flame retardants in PVC materials and its challenges.
1. Introduction
Polyvinyl chloride (PVC) is a plastic material widely used in wire and cable, building materials and packaging materials. However, the flammability of PVC materials limits their range of applications. In order to improve the fire resistance of PVC materials, flame retardants need to be added. This paper will discuss the application of molybdenum flame retardants in PVC materials and its challenges.
2. Application Status and Advantages
In PVC materials, molybdenum flame retardants such as molybdenum disulfide and antimony trioxide are widely used. These flame retardants can effectively inhibit flame propagation and improve the fire resistance of PVC materials. Compared with other types of flame retardants, molybdenum flame retardants have the advantages of low price, easy preparation of high concentration solutions and good compatibility with PVC materials.
Challenges and Countermeasures of 3.
However, the application of molybdenum flame retardants in PVC materials also faces some challenges. First of all, some molybdenum flame retardants have poor thermal stability and oxygen stability, which may cause the performance of the material to decline at high temperatures or when exposed to the air for a long time. Secondly, some flame retardants may have a negative impact on the environment and do not meet the requirements of increasingly stringent environmental regulations. In order to overcome these challenges, researchers are actively exploring new flame retardant formulations and technologies to improve the flame retardancy and environmental protection of PVC materials. For example, the flame retardancy and mechanical properties of PVC materials are improved by adding nano-fillers and composite flame retardants, and bio-based or degradable substitutes are used to reduce the impact on the environment.
4. Conclusion
Although facing some challenges, the application of molybdenum flame retardants in PVC materials still has broad prospects. Through continuous technological innovation and improvement, it is expected to overcome the existing problems and promote the improvement of the safety and environmental protection performance of PVC materials and the expansion of the scope of application. At the same time, the industry should strengthen cooperation with scientific research institutions to jointly promote the sustainable development of molybdenum flame retardants in PVC materials.
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