TY - JOUR
T1 - Synthesis and application of a polymeric intumescent flame retardant for cotton fabric
AU - Hao, Fengling
AU - Geng, Weitao
AU - Liu, Qun
AU - Dong, Wei
AU - Jin, Fan Long
AU - Park, Soo Jin
N1 - Publisher Copyright:
© 2019, Indian Academy of Sciences.
PY - 2019/10/1
Y1 - 2019/10/1
N2 - A novel polymeric intumescent flame retardant containing phosphorus, nitrogen and sulphur (poly(ditrimethylolphosphono thiourea (PDTPT)) was synthesized, and its chemical structure was characterized by Fourier-transform infrared spectroscopy, 1H and 31P nuclear magnetic resonance spectroscopy and elemental analysis. The molecular weight and thermal properties of PDTPT were measured by using gel permeation chromatography and thermogravimetric analysis. PDTPT exhibited good thermal stability, char formation and swelling performance. The initial thermal decomposition temperature and quality residual rate at 600°C of PDTPT were 282°C and 48.8%, respectively. When the mass fraction of PDTPT was 25 wt%, the limiting oxygen index-value of the cotton fabric/PDTPT composite was 27, an increase from 18 for the pure cotton fabric. Subsequent thermal analysis and scanning electron microscopy showed that PDTPT addition reduced the initial degradation temperature and the weight loss rate of the cotton fabric by forming a thick and tight carbon layer on its surface.
AB - A novel polymeric intumescent flame retardant containing phosphorus, nitrogen and sulphur (poly(ditrimethylolphosphono thiourea (PDTPT)) was synthesized, and its chemical structure was characterized by Fourier-transform infrared spectroscopy, 1H and 31P nuclear magnetic resonance spectroscopy and elemental analysis. The molecular weight and thermal properties of PDTPT were measured by using gel permeation chromatography and thermogravimetric analysis. PDTPT exhibited good thermal stability, char formation and swelling performance. The initial thermal decomposition temperature and quality residual rate at 600°C of PDTPT were 282°C and 48.8%, respectively. When the mass fraction of PDTPT was 25 wt%, the limiting oxygen index-value of the cotton fabric/PDTPT composite was 27, an increase from 18 for the pure cotton fabric. Subsequent thermal analysis and scanning electron microscopy showed that PDTPT addition reduced the initial degradation temperature and the weight loss rate of the cotton fabric by forming a thick and tight carbon layer on its surface.
KW - Intumescent flame retardant
KW - limiting oxygen index
KW - nitrogen
KW - phosphorus
KW - thermal stability
UR - https://www.scopus.com/pages/publications/85068082551
U2 - 10.1007/s12034-019-1909-y
DO - 10.1007/s12034-019-1909-y
M3 - Article
AN - SCOPUS:85068082551
SN - 0250-4707
VL - 42
JO - Bulletin of Materials Science
JF - Bulletin of Materials Science
IS - 5
M1 - 216
ER -