期刊
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
卷 187, 期 -, 页码 251-261出版社
ELSEVIER
DOI: 10.1016/j.ijbiomac.2021.07.130
关键词
Flame retardant; Durability; Phosphorus-nitrogen; Cotton fabric; Eco-friendly
ASMPEA, a halogen-free and formaldehyde-free N-P flame retardant, was grafted onto cotton fibers through P-O-C covalent bonds, providing excellent durable flame retardancy and promoting thermal degradation of cotton fabrics during combustion to hinder flame spread.
A halogen-free, formaldehyde-free, efficient, durable, N-P flame retardant, the ammonium salt of meglumine phosphoric ester acid (ASMPEA), was prepared. The Fourier-transform infrared spectroscopy (FTIR) and nuclear magnetic resonance spectroscopy (H-1 NMR, C-13 NMR, and P-31 NMR) results indicated that ASMPEA was grafted onto cotton fibers by P-O-C covalent bonds. The LOI value of 30 wt% ASMPEA-treated cotton fabric was 40.2%, and after 50 laundering cycles (LCs), the LOI value decreased to 29.4%, indicating that the cotton fibers treated with ASMPEA were endowed with excellent durable flame retardancy. Thermogravimetry (TG), cone calorimetry, and vertical flammability test results showed that ASMPEA-treated cotton decomposed into phosphoric acid or polyphosphoric acid during combustion, which promoted the thermal degradation and charring of treated cotton fabrics and hindered the spread of flames. Scanning electron microscopy (SEM), X-ray diffraction (XRD), and energy-dispersive spectrometry (EDS) verified that ASMPEA infiltrated the cotton fiber without obviously affecting its surface morphology or crystal structure; however, the mechanical properties of the treated cotton fabric decreased slightly. These results confirm that ASMPEA achieved excellent durable flame retardancy when used to coat cotton fabric.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据