Low Polymerization Degree Ammonium Polyphosphate

The pain point of high aggregation apps being difficult to adapt to liquid flame retardant systems due to poor water solubility is becoming increasingly prominent. The low polymerization degree ammonium polyphosphate produced by Taixing innovatively adopts the core technology of atmospheric and low-temperature polymerization+crystal stabilization treatment, and constructs an efficient collaborative system of "rapid dissolution catalytic carbonization gas-phase flame suppression". With only 15% -30% addition, the material's flame retardant performance can meet the standard, completely solving the industry problem of "high toxicity, poor stability, and low cost-effectiveness" of traditional water-soluble flame retardants. It provides a segmented flame retardant solution for the global manufacturing industry that combines economy and compliance.

Core strengths

1. Precise regulation of low polymerization degree, with excellent water solubility and stability

-Innovative atmospheric and low-temperature segmented polymerization method: Breaking through the limitations of traditional polymerization processes under high temperature and high pressure, the reaction process is precisely controlled in an atmospheric environment of 180-220 ℃, achieving stable mass production with a polymerization degree of n=10-50, avoiding the generation of high polymerization degree products. The solubility in water at 20 ℃ is ≥ 15g/100mL, which can quickly dissolve and form a uniform flame retardant liquid, suitable for liquid processing technologies such as impregnation and spraying.

-Crystal stabilization treatment ensures performance: By adding specialized crystal stabilizers, the polymerization degree changes during product storage are suppressed. After 12 months of storage in a dry environment at room temperature, the polymerization degree fluctuation is ≤± 2, and the water solubility attenuation is ≤ 5%, solving the pain points of low polymerization degree APP that is prone to hydrolysis and unstable performance.

-Wide pH value compatible and adaptable to multiple formulations: The pH value of the 10% aqueous solution is stable at 4.5-6.5, and can be compounded with conventional flame retardant additives such as urea, boric acid, melamine, etc., without flocculation or precipitation. It has excellent compatibility and does not require additional adjustment of the system acidity or alkalinity.

2. Rapid dissolution catalysis into carbon, flame retardant efficiency suitable for segmented scenarios

-Innovative rapid dissolution catalytic carbonization mechanism: When exposed to fire, low polymerization degree ammonium polyphosphate rapidly decomposes and dissolves polyphosphate, quickly penetrating into the interior of the substrate, catalyzing dehydration and carbonization of components such as cellulose and lignin, forming a continuous and dense charcoal layer, effectively blocking oxygen and heat transfer; Simultaneously releasing ammonia and water vapor, diluting the concentration of combustible gases in the combustion area, achieving dual flame retardant protection of "condensed phase+gas phase".

-Low cost adaptation for large-scale applications: In the flame retardant impregnation treatment of wood, adding 20% can make the wood meet the GB 8624-2012 B2 level flame retardant standard; In flame retardant spraying of paper materials, adding 15% can reduce the paper's ignition time to less than 10 seconds, which is 20% -30% lower than the cost of traditional zinc borate flame retardant systems.

-Halogen free, low toxicity and environmentally friendly properties: completely free of harmful substances such as halogens, heavy metals, formaldehyde, etc., no toxic gas is released during combustion, smoke density (DS, 4 minutes) ≤ 130, in compliance with the EU EN 13501-1:2024 safety standard, suitable for indoor building materials, children's products and other environmentally demanding scenarios.

3. Strong process adaptability, balancing production efficiency and product quality

-Suitable for multiple liquid processing techniques: can be directly used to prepare flame retardant impregnating liquids, spraying liquids, and coating liquids, without the need for complex grinding and dispersion processes, greatly reducing production cycles; In the wood impregnation treatment, the penetration rate is higher and the polymerization degree APP is increased by three times, resulting in a significant improvement in treatment efficiency.

-Small impact on substrate properties: After processing wood and paper, the original color, texture, and mechanical properties of the substrate are not changed. The bending strength retention rate of wood is ≥ 90%, and the tear strength retention rate of paper is ≥ 85%, avoiding the brittleness and deformation of the substrate caused by high concentration flame retardants.

-Weather resistance meets indoor usage requirements: The flame-retardant treated substrate can be used in indoor environments with room temperature and humidity, and its flame retardant performance can last for more than 5 years without precipitation or whitening. It is suitable for indoor furniture, decorative panels, packaging paper products, and other scenarios.

Application scenarios

Flame retardant field of wood and artificial board

-Application: Flame retardant impregnation treatment of solid wood panels, plywood, density boards, and particleboard

-Recommended formula: Low polymerization degree ammonium polyphosphate 20%+urea 5%+boric acid 3%+water 72% (stirring and dissolving at room temperature, soaking time 2-4 hours)

-Advantages: The treated wood meets the GB 8624-2012 B2 level flame retardant standard, without changing the original color and texture of the wood. The bending strength retention rate is ≥ 90%, and the production cost is reduced by 25% compared to traditional flame retardant systems.

Paper making and flame retardant field of paper materials

-Application: Flame retardant spraying/impregnation treatment for flame-retardant packaging paper, decorative paper, wallpaper, and filter paper

-Recommended formula: Low polymerization degree ammonium polyphosphate 15%+melamine 4%+carboxymethyl cellulose sodium 1%+water 80% (spray amount 10-15g/m ²)

-Advantages: The paper has a continuous burning time of less than 10 seconds and a smoldering time of less than 20 seconds, which meets the QB/T 3826-1999 standard. The paper has a soft hand feel and its printing performance is not affected.

Fire retardant liquids and coatings field

-Application: Indoor steel structure fireproof and flame-retardant liquid, fabric flame-retardant finishing liquid, water-based fireproof coating

-Recommended formula: low polymerization degree ammonium polyphosphate 25%+expanded graphite 8%+acrylic acid lotion 30%+water 37%

-Advantages: The formed fireproof coating has a fire expansion rate of ≥ 15 times, a fire resistance limit of more than 0.5 hours, strong adhesion of the coating, and a scrub resistance of ≥ 500 times.

Agriculture and other fields

-Application: Agricultural plastic film flame retardant additive, fertilizer flame retardant and anti caking agent, forest fire barrier agent

-Recommended formula: Agricultural film flame retardant masterbatch: low polymerization degree ammonium polyphosphate 28%+LDPE carrier 70%+dispersant 2%

-Advantages: The oxygen index of the film is ≥ 28%, meeting the flame retardant requirements; As a fertilizer additive, it has dual effects of flame retardancy and anti caking, reducing fertilizer caking rate by 80%.

If you are looking for low polymerization degree ammonium polyphosphate, water-soluble APP flame retardant, wood flame retardant ammonium polyphosphate, Taixing will be your best partner, and we will provide the highest quality and cheapest price cooperation!