kindly anybody do need for the calculation of molar ratio in copolymers.
NMR is the easiest method to find molar ratio in the absence of other information.
Please see a similar question (and answers) on a specific copolymer system at Research Gate.
https://www.researchgate.net/post/How_can_I_calculate_the_molar_ratio_for_the_components_of_a_polyurethane_in_a_stoichiometric_value
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