Meister Lackierer Practice Questions - Meisterprüfung Lackierer (Austria) Exam

The water acts as an inert diluent that permanently halts all crosslinking reactions without producing any gas or structural change The isocyanate converts into an ester and releases oxygen gas, which accelerates surface gloss development The isocyanate reacts with water to form pure acrylic acid, lowering the paint pH and neutralizing any corrosion inhibitors The isocyanate reacts with water to form an unstable carbamic acid, which rapidly decarboxylates into an amine and carbon dioxide (CO2) gas, leading to polyurea formation and micro-foaming or pinholes