Abstract
As composite materials gain wider acceptance within the transportation industry, it is pertinent to investigate the available coating processes with a view to reducing emissions and associated costs. This work aims to develop a methodology for in-mold coating components manufactured using the resin infusion between double flexible tooling (RIDFT) process. RIDFT is a neoteric two-stage manufacturing process that involves (1) infusion of resin between two flexible silicone membranes until thorough wetting of the fibers is achieved and (2) vacuum forming, where the membranes are pulled over a one-sided mold. The viability of in-mold coating RIDFTed components is investigated. This work-in-process reports on successes and challenges presented during the co-infusion of a polyurethane enamel paint (DuPont Imron 5000) and a vinyl ester resin (Derakane 470-45). Methodologies for achieving co-infusion are investigated. It has been found that co-infusion is achievable with the use of an appropriate separation layer.
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