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An eco-friendly, highly efficient, and transparent coating derived from guar gum and citric acid for flame retardant treatment of cotton fabrics
Department of Fire Safety Engineering, Faculty of Geosceince and Environmental Engineering, Southwest Jiaotong University, Chengdu, China.
Institute of Macromolecular Chemistry, Czech Academy of Sciences, 16200 Praha, Czech Republic; CEITEC-Central European Institute of Technology, Brno University of Technology, Purkyňova 656/123, Brno 61200, Czech Republic; Pretreatment and Finishing of Cellulosic based Textiles Department, Textile Industries Research Institute, National Research Centre, 33 EL Buhouth St., Dokki, Giza 12622, Egypt.
Department of Fire Safety Engineering, Faculty of Geosceince and Environmental Engineering, Southwest Jiaotong University, Chengdu, China.
Institute of Macromolecular Chemistry, Czech Academy of Sciences, 16200 Praha, Czech Republic.
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2023 (English)In: International Journal of Biological Macromolecules, ISSN 0141-8130, E-ISSN 1879-0003, Vol. 253, no Part 7, article id 127506Article in journal (Refereed) Published
Abstract [en]

V.A highly efficient, bio-ecofriendly, and transparent flame retardant (FR) for cotton fabric was developed and deposited onto the cellulose skeletal structure of cotton fabric through a one-pot sol-gel process. The flame retardant functional coating is composed of ammonium polyphosphate (APP), guar gum (GG), citric acid (CA), and a negligible amount of catalyst. Cotton fabrics were impregnated with different concentrations of ammonium polyphosphate and guar gum, with citric acid as a crosslinking agent. The overall crosslinking and grafting process was proven by FTIR and XPS. Based on the results, the designed coating exhibits over 90 % transmittance in the visible region. A 15 g/m2 flame-retardant coating induces excellent flame retardant efficiency at ultra-low flame-retardant concentrations of less than 6.25 wt%. Only a 5.25 wt% flame retardant concentration demonstrated condensed phase action, which resulted in 58.5 % and 73.6 % reductions in the pHRR and THR, respectively. Moreover, the limiting oxygen index (LOI) value showed a 74 % increase. The mechanical performance of FR coated cotton fibers was slightly reduced.

Place, publisher, year, edition, pages
Elsevier B.V. , 2023. Vol. 253, no Part 7, article id 127506
Keywords [en]
Bio-based flame retardant, Sol-gel coating, Transparency
National Category
Materials Chemistry
Research subject
Chemistry of Interfaces
Identifiers
URN: urn:nbn:se:ltu:diva-101965DOI: 10.1016/j.ijbiomac.2023.127506ISI: 001102370800001PubMedID: 37863129Scopus ID: 2-s2.0-85174435595OAI: oai:DiVA.org:ltu-101965DiVA, id: diva2:1808454
Note

Godkänd;2023;Nivå 0;2023-11-14 (marisr);

Funder: National Natural Science Foundation of China (22075265); Youth Innovation Promotion Association CAS (2021459, LUAUS23004); Youth Innovation Promotion Association of the Chinese Academy of Sciences

Available from: 2023-10-31 Created: 2023-10-31 Last updated: 2024-03-07Bibliographically approved

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Esmaeili, Nima

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