It would seem there's an obvious startup opportunity for filaments that are sold based on cleanliness of product rather than the current marketplace of pigment

It would seem there's an obvious startup opportunity for filaments that are sold based on cleanliness of product rather than the current marketplace of pigment and cost. It would seem trivial to distill out the dioxane to an unreasonably low impurity level. As with pharma, people may not like the cost of synthetic pure bespoke molecules, but some will sell.