Substitution of auxiliary agents in solvent borne paint formulations

摘要

A great number of paints are based on polyurethane coatings (PU). These polymeric formulations largely rely on alkyd resins, which mostly use conventional solvents. The latter are main components of the formulations, comprising 15-20 wt% of it, being mixtures of white spirit toluene and/or xylene, formulated with the resin and a certain amount of auxiliary compounds (such as additives or other ingredients). Despite its benefits in performance, it is known that the use of conventional solvents is of great concern for industry and end-users of paints due to its VOC potential and toxicity issues. Seeking replacements was a must.