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- Title
Enhancing the Flame Retardancy of Polyester/Cotton Blend Fabrics Using Biobased Urea–Phytate Salt.
- Authors
Dong, Shuang; Huang, Yi-Ting; Zhang, Xin; Cheng, Shan-Shan; Cheng, Xian-Wei; Guan, Jin-Ping
- Abstract
The use of biobased flame-retardant (FR) agents for reducing the flammability of polyester/cotton (T/C) blend fabrics is highly desirable. In this study, a novel and sustainable phosphorus/nitrogen-containing FR, namely, phytic acid–urea (PA-UR) salt, was synthesized. The PA-UR salt was further used to enhance the FR performance of T/C fabric through surface modification. We further explored the potential chemical structure of PA-UR and the surface morphology, thermal stability, heat release capacity, FR properties, and mode of action of the coated fabric. The coated fabric achieved self-extinguishing and exhibited an increased limiting oxygen index of 31.8%. Moreover, the coated T/C blend fabric demonstrated a significantly reduced heat release capacity, indicating a decreased fire hazard. Thermogravimetric analysis revealed the anticipated decomposition of the coated T/C blend fabric and a subsequent increase in thermal stability. The burned char residues also maintained their fiber shape structures, suggesting the presence of condensed FR actions in the PA-UR-coated T/C blend fabric.
- Subjects
FIREPROOFING; COTTON textiles; PHYTIC acid; POLYESTERS; COATED textiles; HEAT capacity; NATURAL dyes &; dyeing; POLYESTER fibers
- Publication
Materials (1996-1944), 2024, Vol 17, Issue 6, p1346
- ISSN
1996-1944
- Publication type
Article
- DOI
10.3390/ma17061346