Polymer Characterization by Combined Chromatography-Infrared Spectroscopy

J. Dwyer, Minge Zhou
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引用次数: 13

Abstract

Infrared spectroscopy is widely used in the analysis and characterization of polymers. Polymer products are not a singular species, but rather, they are a population of polymer molecules varying in composition and configuration plus other added components. This paper describes instrumentation that provides the benefit or resolving polymer populations into discrete identifiable entities, by combining chromatographic separation with continuous spectra acquisition. The technology also provides a way to determine the mass distribution of discrete components across the chromatographic distribution of a sample. Various examples of application of this technology to polymer products are described. Examples include additives analysis, resolution of polymer blends, composition characterization of copolymers, analysis of degradation byproducts, and techniques of analysis of reactive polymer systems.
色谱-红外光谱联合表征聚合物
红外光谱在聚合物的分析和表征中有着广泛的应用。聚合物产品不是一个单一的物种,而是一个群体的聚合物分子在组成和配置加上其他添加的成分。本文描述了仪器,提供了利益或解决聚合物群体成离散可识别的实体,通过结合色谱分离与连续光谱采集。该技术还提供了一种确定样品色谱分布中离散组分的质量分布的方法。描述了该技术在聚合物产品中的各种应用实例。例子包括添加剂分析、聚合物共混物的分解、共聚物的组成表征、降解副产物的分析以及反应性聚合物体系的分析技术。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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