Antimony Pentoxide (ATO) Nanoparticle Synergist
Featured inFlame Retardants
Antimony pentoxide (Sb2O5, ATO) is a halogen synergist available as a colloidal nanoparticle dispersion or micronized powder, used to enhance the effectiveness of brominated and chlorinated flame retardants in transparent films, PET, and textile coatings. Its nanoparticle form allows incorporation without significant hazing in transparent applications where coarser Sb2O3 would impair optical clarity. ATO colloidal dispersions are particularly used in transparent PET film, textile back-coatings, and paper coatings requiring halogen FR synergism.
Teknik Özellikler
| appearance | White powder or milky white colloidal dispersion |
| pH (dispersion) | 2.0–4.0 |
| Sb2O5 content (%) | ≥98 (powder) / 30–40 (dispersion) |
| moisture (powder, %) | <0.5 |
| particle size D50 (nm) | 10–50 (nanograde) |
| density (dispersion, g/cm³) | 1.30–1.50 |
Uygulama Alanları
- Transparent PET and polycarbonate films requiring halogen FR synergism without hazing
- Textile back-coating with halogen FR where optical clarity is required
- Paper and paperboard fire-retardant coating systems
- Waterborne paint and varnish formulations with halogenated FR
- Electronic potting and encapsulant compounds requiring transparent FR
Ürün Özellikleri
- Nanoparticle size (10–50 nm) maintains optical transparency in films and clear coatings unlike Sb2O3
- Colloidal aqueous dispersion form enables direct incorporation into waterborne coating and textile FR systems
- Synergistic amplification of brominated and chlorinated FR performance comparable to conventional Sb2O3
- Higher antimony oxidation state (+5 vs +3) provides additional oxidant functionality in the flame
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Ammonium Polyphosphate (APP) Phase I
Ammonium Polyphosphate (APP) Phase II
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