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Industry Focus on Nitrogen-Based Flame Retardants: Deepening Applications of Dicyandiamide, Eco-Friendly and High Efficiency Becoming Mainstream Trend

In the field of flame retardancy for polymer materials, nitrogen-based flame retardants are steadily expanding their market share due to their environmentally friendly, efficient, and low-toxicity characteristics. Among them, dicyandiamide, as a key raw material and direct flame-retardant component, has achieved significant progress in recent years in specific engineering plastics applications, drawing focused attention from the industry.

Dicyandiamide: Performance and Cost Advantages Prominent

Dicyandiamide is not only a fundamental raw material for synthesizing various guanidine salt flame retardants but has also seen increasingly mature applications in flame-retardant polyamides (such as PA6, PA66). Industry tests indicate that, through optimized formulations and addition ratios, dicyandiamide can help polyamide materials achieve the UL94 V-0 flame retardancy standard with relatively low addition levels while well maintaining the mechanical properties of the materials. This balance makes its application solutions attractive in fields such as electronics, electrical components, and automotive parts. Additionally, its application technology in wood flame retardant treatment and fire-resistant adhesives is already quite stable.

Coexistence and Development of Mainstream Market Categories

The current market for nitrogen-based flame retardants presents a diversified landscape:

Melamine and its derivatives: Remain core foaming components in intumescent fireproof coatings, polyolefins, and polyurethane foams, with mature technological applications.

Guanidine salt series: Represented by guanidine phosphate, guanidine carbonate, etc., these hold advantages in high-end wood decorative materials and paper treatment due to their durable flame retardancy and low hygroscopicity.

MCA (Melamine Cyanurate): As an additive flame retardant, it is widely used in engineering plastics such as nylon and PBT due to its high thermal stability and excellent smoke suppression.

Clear Mechanism of Action, Well-Defined Comprehensive Advantages

Nitrogen-based flame retardants primarily work by decomposing under heat to produce non-flammable gases such as nitrogen and ammonia, diluting the concentration of oxygen and combustible gases. They also function through multiple pathways, including endothermic cooling and promoting char formation for insulation. Compared to traditional halogen-based flame retardants, they perform better in terms of toxicity, corrosiveness, smoke density, and environmental compatibility, aligning with increasingly stringent global environmental regulations and green manufacturing requirements.

Industry Outlook

As global demands for material safety and environmental performance continue to rise, nitrogen-based flame retardants, particularly efficient systems represented by dicyandiamide, are expected to see broader applications in industries such as high-end manufacturing, green building, and new energy vehicles. Future research and development will focus on further enhancing flame retardant efficiency, improving compatibility with substrate materials, and developing multifunctional integrated solutions to continuously drive the industry toward higher efficiency and greater environmental sustainability.