As 2011 comes to an end, many ink manufacturers are probably breathing a sigh of relief, as sales were on the upswing in some key markets such as packaging, energy-curing and inkjet inks. Still, publication and commercial inks continue to suffer declines. However, any sense of relief has to be tempered by serious concerns over raw materials and the future of the global economy.As ink industry executives noted in The Year in Review, raw material costs are increasing on many essential ingredients...