What are the best methods to analyze the percentage composition of different components in bicomponent polyester fibers?

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Abdelkader BOUAZIZ

Dear Md Toufiqur Rahman, chromatography and fractionation techniques. My Regards

https://doi.org/10.1007/BF02490689

Md Toufiqur Rahman

Thank you Abdelkader BOUAZIZ

Michael Shuster

If at least one of the components is crystalline, its percentage can be estimated using differential scanning calorimetry (DSC). If both the components are amorphous, but their chains differ in mobility, time domain nuclear magnetic resonance (TD NMR) can provide quantitative information allowing determination of their respective proportion.