CAJ | 학술논문

对一维红外光谱存在的问题进行了分析,对二维红外光谱的概念的提出和发展、原理及实验方法、性质及解释规则、相关特点、分析设备和软件、样品及数据处理要求等进行了综述,并采用红外光谱结合二维相关分析技术,对添加不同固化促进剂的环氧树脂配方进行了快速鉴别研究.研究结果表明,二者在一维红外光谱图上没有差别,但是它们的二维红外相关谱图却存在明显的差异.在4000cm-1-2500cm-1和1600cm-1-730cm-1两个区域的同步和异步光谱进行研究后发现,配方B有甲基自动峰的出现,而配方A则无;因此,二维相关红外光谱可以用于揭示树脂聚合反应过程中的高分子链段内不同基团的变化规律和相互作用,并用于一维红外谱图无差别的树脂的鉴别.
대일유홍외광보존재적문제진행료분석,대이유홍외광보적개념적제출화발전、원리급실험방법、성질급해석규칙、상관특점、분석설비화연건、양품급수거처리요구등진행료종술,병채용홍외광보결합이유상관분석기술,대첨가불동고화촉진제적배양수지배방진행료쾌속감별연구.연구결과표명,이자재일유홍외광보도상몰유차별,단시타문적이유홍외상관보도각존재명현적차이.재4000cm-1-2500cm-1화1600cm-1-730cm-1량개구역적동보화이보광보진행연구후발현,배방B유갑기자동봉적출현,이배방A칙무;인차,이유상관홍외광보가이용우게시수지취합반응과정중적고분자련단내불동기단적변화규률화상호작용,병용우일유홍외보도무차별적수지적감별.
A practicable and efficient method for identification of different epoxy formations with different curing accelerator was conducted by Fourier transform infrared spectroscopy(FTIR) combined with two-dimensional correlation spectroscopy(2D) technique. The two resin formulations tested were similar to each other in one-dimensional IR spectra but quite different in 2D-FTIR spectra. An investigation on 2D FTIR synchronous and asynchronous spectra disclosed that in the range of 4000 cm-1~2500cm-1 and 1600 cm-1~730cm-1, methyl auto-peak appears in the synchronous spectrum of formulation B, while not in the formulation A;The results proved that 2D correlation spectra could enhance the resolution of infrared spectra and increase the capability of identification, which make it a powerful and new approach to identifying different resins.