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http://dx.doi.org/10.5764/TCF.2022.34.4.217

Dual-curable Flame-Retardant Finish of Silk Fabrics Using a Water-soluble Cyclophosphazene Derivative  

Kim, Jeong-Hwan (Department of Materials Design Engineering, Kumoh National Institute of Technology)
Baek, Ji-Yun (Department of Materials Design Engineering, Kumoh National Institute of Technology)
Jang, Jinho (Department of Materials Design Engineering, Kumoh National Institute of Technology)
Publication Information
Textile Coloration and Finishing / v.34, no.4, 2022 , pp. 217-223 More about this Journal
Abstract
Flame-retardant finished silk fabrics could release carcinogenic formaldehyde resulting from the conventional finishing agents. New water-soluble cyclophosphazene derivative can be used as a formaldehyde-free flame retardant for the silk protein. Dichloro tetrakis{N-[3-dimethylamino)propyl]methacrylamido}cyclophosphazene(DCTDCP) can be cured by heat or UV irradiation as a durable flame retardant for the silk fabrics. Treatment conditions were optimized including curing temperature and time, finishing formulations, and UV energy. At the 30% DCTDCP application, peak HRR and THR decreased by 42.6% and 49.6% respectively compared to the pristine silk fabrics. Also char residue increased up to 48% from 11% indicating solid-phase retarding mechanism. The flame-retardant silk fabrics showed a LOI of 31.1 and the washed sample maintained a LOI of 26.8 even after ten laundering cycles.
Keywords
dual-curable; flame-retardant; silk; phosphazene; formaldehyde-free;
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Times Cited By KSCI : 3  (Citation Analysis)
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