Polymers | Chemical characterization through functional group analysis with FTIR spectroscopy
Precisely identifying the blend ratio of polymers is essential for manufacturers to ensure consistent product quality. Using a Lyza FTIR spectrometer for compositional analysis allows for improved formulation precision and increased product dependability.
Fourier Transform Infrared Spectroscopy (FTIR) is a widely used analytical technique for identifying and quantifying polymer components based on their unique infrared absorption patterns. In polymer blends such as poly(methyl methacrylate) (PMMA) and polycarbonate (PC), FTIR enables precise determination of the composition by analyzing characteristic absorption bands specific to each polymer. The ratio of PC to PMMA in a polymer blend significantly influences the material’s mechanical, thermal, and optical properties. Accurately determining the blend ratio is crucial for manufacturers to maintain product quality, optimize processing conditions, and meet specific industry or customer requirements.
This report outlines the methodology for using a Lyza FTIR spectrometer to determine the PMMA-to-PC ratio in a polymer blend, focusing on spectral interpretation and quantitative analysis based on peak intensity ratios.
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