Effect of phosphorus and nitrogen on flame retardant cellulose: A study of phosphorus compounds
โ Scribed by Sabyasachi Gaan; Gang Sun
- Publisher
- Elsevier Science
- Year
- 2007
- Tongue
- English
- Weight
- 841 KB
- Volume
- 78
- Category
- Article
- ISSN
- 0165-2370
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โฆ Synopsis
Three organophosphorus compounds, N-hydroxymethyl-3-dimethylphosphonopropionamide (HDPP), triallyl phosphate (TAP) and triallyl phosphoramide were employed in a study on flame retardant (FR) mechanisms. N-hydroxymethyl-3-dimethylphosphonopropionamide was more efficient in providing flame retardancy to cellulosic fabrics at the same phosphorus content on cotton fabrics. The flame retardance of the flame retardant treated cotton fabrics were characterized by using limiting oxygen index (LOI). Structural changes of the treated cotton fabrics and the compounds were carried out by using thermal analysis methods such as differential scanning calorimeter (DSC) and thermal gravimetric analysis and Fourier transform infrared (FTIR) spectroscopy. A new mechanism was proposed based on the efficient flame retardant performance of Nhydroxymethyl-3-dimethylphosphonopropionamide.
๐ SIMILAR VOLUMES
Epoxy resins containing phosphorus and/or silicon are prepared from phosphorus/silicon-containing epoxides and diamine curing agents. The flame-retardant properties of the phosphorus/silicon-containing epoxy were studied. Furthermore, the phosphorus-silicon synergistic effect on LOI enhancement and
## Abstract Owing to their low cost phosphorus fireโretardants find vast application in making fireโretardant cellulosic compostions. They have been used both as a physical additive as well as part of the polymer structure. Acid forming phosphorus compounds are generally effective in cotton and oth