Two questions, two answers: 1 To what extent is the use of alternative materials such as soy for architectural paints sensible and effective? 2 How have the last years affected the interior coatings market? 1 Alternative raw materials such as soybean oil are becoming increasingly popular in the architectual market, but they are also confronted with disadvantages that make their use impossible in some cases. I would like to mention only two disadvantages. Firstly, the tendency to yellow under ...