Moat of plastic recycling is focused on heating up and melting down thermoplastics. I've been wondering if there is another way. Like dissolving the plastics

Moat of plastic recycling is focused on heating up and melting down thermoplastics. I've been wondering if there is another way. Like dissolving the plastics into solvents, then distilling and separating the different compounds in the solution, then pull out thr solvents in a recoverable way, then one would be left with pure compounds. It seems like the science and tech for this exists now, we just need to industrialized it and make it profitable to do so. Not unlike distilling organic compounds like we do today on a commercial scale.