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Supplier Information
| Product Name: | Melamine Polyphosphate |
| Synonyms: | ;MP;Melamine Polyphosphate;1,3,5-Triazine-2,4,6-triamine polyphosphate;1,3,5-triazine-2,4,6-triamine phosphate (1:1);1,3,5-triazine-2,4,6-triamine phosphate; |
| CAS NO: | 20208-95-1 |
| EC NO: | 243-601-5 |
| Molecular Formula: | C3H6N6O4P |
| Molecular Weight: | 221.0929 |
| InChI: | InChI=1/C3H6N6.H3O4P/c4-1-7-2(5)9-3(6)8-1;1-5(2,3)4/h(H6,4,5,6,7,8,9);(H3,1,2,3,4)/p-3 |
| Molecular Structure: |  |
Melamine Polyphosphate (MPP) is a high-efficiency, halogen-free flame retardant widely used in engineering plastics and high-temperature processing materials. It leverages an intumescent mechanism that combines acid source, gas source, and carbonization actions to suppress combustion effectively.
Key FeaturesHalogen-Free & Eco-Friendly
MPP contains no bromine or chlorine, avoiding toxic dioxin/furan formation during combustion. It aligns with global regulations (e.g., REACH, RoHS) and offers a safer environmental profile.
Dual-Action Flame Retardancy
Acid Source (Polyphosphate Component): Upon heating, the polyphosphate decomposes to form polyphosphoric acid, which catalyzes dehydration and charring of the polymer matrix, creating a preliminary carbon layer.
Gas Source (Melamine Component): The melamine moiety decomposes at high temperatures (>300°C), releasing non-flammable gases (e.g., nitrogen, ammonia). These gases dilute oxygen and flammable volatiles in the combustion zone.
Synergistic Intumescent Effect
The released gases cause the initial char layer to expand into a porous, insulating "carbon foam". This barrier blocks heat transfer, oxygen diffusion, and the release of combustible gases, effectively quenching the fire.
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