Dimethyl n-Propylphosphonate (DMPP)
Dimethyl n-propylphosphonate (DMPP) is an organophosphonate flame retardant with superior hydrolytic stability over phosphate esters, used in polyurethane foam, epoxy resins, and coatings. The phosphonate P–C bond resists hydrolysis in humid environments, making it valuable for applications requiring long-term FR durability. DMPP provides primarily gas-phase flame inhibition through phosphorus radical scavenging, and its miscibility with polyols makes it easy to incorporate into two-component polyurethane systems without additional solvent.
المواصفات الفنية
| appearance | Colorless transparent liquid |
| purity (GC, %) | ≥97 |
| water solubility | Miscible |
| boiling point (°C) | 194–196 |
| phosphorus content (%) | 20–21 |
| density (20°C, g/cm³) | 1.04–1.06 |
مجالات التطبيق
- Rigid and flexible polyurethane foam requiring hydrolytically stable FR additive
- Epoxy coating systems for structures in humid or immersed environments
- Polyester and vinyl ester resin flame retardant with moisture resistance
- Fire-resistant hydraulic and industrial process fluid component
- Two-component polyurethane adhesive and sealant FR additive
مميزات المنتج
- P–C bond hydrolytic stability superior to phosphate esters maintains FR efficacy in humid service environments
- High phosphorus content (20–21%) provides efficient gas-phase flame inhibition per unit weight
- Water-miscible liquid allows direct blending with polyols without compatibility issues
- Lower environmental persistence concerns than aromatic phosphate esters due to aliphatic backbone
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المزيد من المنتجات في فئة مثبطات اللهب
Aluminum Diethylphosphinate (AlDEP / DEPAL)
Aluminum Hydroxide (ATH) Flame Retardant
Aluminum Phosphate (AlPO4) Ceramic Flame Retardant
Ammonium Phosphate Monobasic (Flame Retardant Grade)
Ammonium Polyphosphate (APP) Phase I
Ammonium Polyphosphate (APP) Phase II
Antimony Pentoxide (ATO) Nanoparticle Synergist
Antimony Trioxide (Sb2O3) Flame Retardant Synergist