Abstract
Current liquid chromatography techniques allow to determine distributions of various properties for macromolecules. The polydisperse nature of macromolecules regulates the structure-property relationship and is responsible for the vast degree of fine-tuning of application properties. The understanding of macromolecular structure is fundamental for the use of polymers in increasingly specific applications. The coexistence of property distributions requires multi-dimensional (combined) chromatography methodologies. The use and implementation of two-dimensional (2D) separation methods and their benefits are described in this paper for synthetic polymers. Similar approaches have been used successfully for mapping complex natural and bio polymers.
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