Synergistic effect with flame retardants
In composite materials, Fireproof masterbatch is often used with other flame retardants to enhance the fireproof effect. Some flame retardants release specific gases or form a heat-insulating layer to prevent the spread of flames when burning, and the components in Fireproof masterbatch may cooperate with them to produce a synergistic effect. For example, when certain phosphorus-containing flame retardants and inorganic metal hydroxides in Fireproof masterbatch are heated, the phosphorus-containing flame retardant will first decompose to produce acidic substances such as phosphoric acid, which will cause the metal hydroxide to dehydrate and absorb heat, releasing a large amount of water vapor, thereby diluting the oxygen concentration in the combustion area. At the same time, the formed phosphate esters and other substances can also cover the surface of the material, further isolating oxygen, greatly improving the flame retardant properties of the composite material and achieving a higher fireproof grade.
Impact on the performance of plasticizers
The role of plasticizers is to increase the flexibility and processing properties of composite materials, but the addition of Fireproof masterbatch may have a certain impact on them. On the one hand, some components in Fireproof masterbatch may physically or chemically react with plasticizers, changing the migration speed and distribution uniformity of plasticizers in composite materials. For example, some inorganic fireproof components have a large specific surface area and may adsorb plasticizer molecules, resulting in a decrease in the effective content of plasticizers in the material, thereby affecting the flexibility of the material. On the other hand, if the compatibility of Fireproof masterbatch with plasticizers is poor, phase separation may form inside the material, reducing the overall performance of the material. Therefore, when selecting Fireproof masterbatch and plasticizers, it is necessary to fully consider the compatibility between them.
Interaction with antioxidants
Antioxidants are mainly used to prevent composite materials from degradation and aging due to oxidation during processing and use. Some metal ions or chemical components in Fireproof masterbatch may react chemically with antioxidants, affecting the activity and efficacy of antioxidants. For example, some metal ions may catalyze oxidation reactions, accelerate the aging of materials, and thus reduce the protective effect of antioxidants. On the contrary, some ingredients in Fireproof masterbatch may also have certain antioxidant properties, synergistically with antioxidants to jointly improve the antioxidant capacity of the material and extend the service life of the material. Therefore, when designing the composite material formula, it is necessary to reasonably adjust the type and amount of Fireproof masterbatch and antioxidants to achieve the best comprehensive performance.
Synergistic effect with fillers
Fillers are often used to improve the mechanical properties of composite materials and reduce costs. There is also an interaction between Fireproof masterbatch and fillers. On the one hand, the addition of fillers may affect the dispersibility of Fireproof masterbatch in composite materials, thereby affecting the fireproof effect. For example, some inorganic fillers with high filling amounts may hinder the uniform dispersion of Fireproof masterbatch in the material, resulting in insufficient local fireproof performance. On the other hand, some fillers themselves also have certain flame retardant properties, such as aluminum hydroxide, magnesium hydroxide, etc. When used together with Fireproof masterbatch, they can play a synergistic role. While improving the fireproof performance of the material, it can also improve the mechanical properties and processing properties of the material, so that the composite material has better comprehensive performance and application value.
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