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The preparation and characterization of sulfamic acid-intercalated layered double hydroxide
作者:江玉, 谷晓昱, 张胜*, 唐武飞, 赵静然.
关键字:Layered double hydroxide; Intercalation; Composite materials; XPS; Flammability
论文来源:期刊
具体来源:Materials Letters
发表时间:2015年
NH2SO3-1 was intercalated into layered double hydroxide to prepare a novel sulfamic acid-intercalated MgAl-LDH (SA-LDH). Fourier transform infrared (FT-IR) analysis confirmed the presence of sulfamic acid in LDH. X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS) and transmission electron microscopy (TEM) were also used to characterize the structural morphology of SA-LDH, and the results revealed that the interlayer space of LDH had been enlarged from 0.76 to 0.91 nm and proved the formation ofhydrogen bonds between SA-LDH. The SA-LDH was introduced into ethylene vinyl acetate (EVA) copolymer via melt blending, and the cone calorimetry test results demonstrated that the presence of SA-LDH could significantly improve the flame retardancy of EVA composite.