It can be done by Pyrolysis at 600ºC: the fumes obtained by this method are monomer + olygomers. They have to be sepparated by distillation under vacuum at low (about 60ºC) temperature and different values of negative pressure.
If to be implemented for industrial use, probably not usefull at all (too complicated and expensive)
If used to analyze the composition of an acrylic, you also have to use magnetic Resonance and The "glass point" for each component.
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the more I move, the deeper I get stuck !