Bis(neopentyl glycol) Phosphonate Flame Retardant
Bis(neopentyl glycol) phosphonate is a cyclic organophosphorus flame retardant known for its high phosphorus content, low volatility, and excellent thermal and hydrolytic stability. Its bicyclic structure restricts conformational flexibility, imparting outstanding resistance to hydrolysis under humid conditions. It is used as an additive or reactive flame retardant in polyurethanes, coatings, and cellulosic substrate treatments where long-term performance is required.
Технические характеристики
| appearance | Colorless to pale yellow liquid or white crystalline solid |
| purity (%) | ≥97 |
| moisture (%) | ≤0.3 |
| flash point (°C) | >150 |
| boiling point (°C) | >300 |
| phosphorus content (%) | 14–16 |
Области применения
- Polyurethane flexible and rigid foam flame retardant additive
- Waterborne and solventborne wood and timber FR coating formulations
- Cellulosic textile and paper durable flame retardant treatment
- Epoxy and unsaturated polyester resin flame retardant modifier
- Agricultural mulch film and greenhouse covering FR additive
Особенности продукта
- Bicyclic neopentyl structure provides exceptional hydrolysis resistance under tropical and high-humidity conditions
- High phosphorus content (15%) enables effective flame retardancy at moderate addition levels
- Low volatility and high boiling point minimize loss during high-temperature polymer processing
- Halogen-free phosphorus mechanism with low smoke and low toxic gas emission
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