Detailed analyses of compositions and structures are often performed to improve the quality control and performance of polymer materials. Pyrolysis-gas chromatography mass spectrometry (Py-GC/MS) and matrix-assisted laser desorption ionization mass spectrometry (MALDI-MS) are used as effective means for such purposes. The analysis of polymer materials with complex compositions are performed on a mixture of components analyzed together, which makes obtaining accurate information for individual components difficult.
This technical report describes a method using the aforementioned equipment to analyze fractions derived by the AccuSpot spotting equipment, which performs automatic fractionation of elute separated by size-exclusion chromatography. This new method, which fractionates and analyzes a mixture of components without requiring any complicated operation, was used to analyze the composition and structure of the paint raw material. This resulted in a successful detailed analysis of the corresponding sample, which was composed of a complex mixture of components.