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Mid- and near-infrared spectroscopic investigations of N-phenylmaleimide (NPM) amine reactions

机译:N-苯基马来酰亚胺(NPM)胺反应的中红外光谱研究

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The reactions between N-phenylmaleimide (NPM) and several amines have been examined by both mid-infrared (mid-IR) and near-infrared (near-IR) spectroscopy. Significant overlap exists among several functional groups of NPM/amine systems in the mid-IR spectral region. Interference between these absorptions significantly reduces the utility of mid-IR spectroscopy for quantitative studies of NPM/amine reaction kinetics. In contrast, the absorption bands of these functional groups are well separated in near-IR spectra. The ability of near-IR spectroscopy for studying the kinetics of the reactions between the maleimide-containing compound with amines is clearly established. Near-IR absorptions suitable for quantitative studies of these reactions are identified. (C) 1998 John Wiley & Sons, Inc. [References: 26]
机译:N-苯基马来酰亚胺(NPM)与几种胺之间的反应已通过中红外(mid-IR)和近红外(near-IR)光谱进行了检查。在中红外光谱区中,NPM /胺系统的几个官能团之间存在明显的重叠。这些吸收之间的干扰显着降低了中红外光谱在NPM /胺反应动力学定量研究中的应用。相反,这些官能团的吸收带在近红外光谱中很好地分开。清楚地建立了近红外光谱研究含马来酰亚胺化合物与胺之间反应动力学的能力。确定了适合这些反应定量研究的近红外吸收。 (C)1998 John Wiley&Sons,Inc. [参考:26]

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