A cationic, durable, P/N-containing starch-based flame retardant for cotton fabrics
International Journal of Biological Macromolecules, ISSN: 0141-8130, Vol: 260, Issue: Pt 2, Page: 129543
2024
- 2Citations
- 7Captures
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Article Description
A cationic, durable flame retardant for cotton fabrics, 6-(2-(dimethoxy phosphoryl)-2-(trimethyl ammonium)) methoxy-2-methoxy-polysaccharide ammonium phosphate (DTPAP), was synthesized. Its structure was verified by NMR and FTIR spectroscopy. According to the FTIR spectra and X-ray photoelectron spectroscopy (XPS), DTPAP formed P(=O)-O-C bonds with cellulose molecules and firmly grafted to cotton fabrics, giving the fabric a high durability. DTPAP-25-treated fabrics passed the vertical flame test (VFT), and the limiting oxygen index (LOI) was 43.9 %. After 50 laundering cycles (LCs), the DTPAP-25-treated fabrics had an LOI of 29.9 %, passed the VFT, and retained their flame retardancy. EDS data showed that, compared with engrafted cationic ammonium phosphate flame retardants, the DTPAP-treated fabrics contained fewer metal ions. Cone calorimetry data showed that DTPAP-25-treated fabrics did not display concentrated heat release. The results suggested that DTPAP exhibited a condensed-phase flame retardant mechanism, and the introduction of cations into the ammonium phosphate flame retardant reduced ion exchange, which improved the durability.
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S0141813024003465; http://dx.doi.org/10.1016/j.ijbiomac.2024.129543; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85183318031&origin=inward; http://www.ncbi.nlm.nih.gov/pubmed/38246451; https://linkinghub.elsevier.com/retrieve/pii/S0141813024003465; https://dx.doi.org/10.1016/j.ijbiomac.2024.129543
Elsevier BV
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