DefinitionThis section has been translated automatically.
Polyurethanes are polymers or copolymers based on diisocyanates and dialcohols (diols). Polyurethanes contain the urethane group -NH-CO-O-. Linear polyurethanes are obtained from aliphatic glycols and aliphatic diisocyanates. Crosslinked insoluble polyurethanes are obtained from substances with more than 2 hydroxyl groups.
Polyurethane-34 is used in cosmetics. It acts as a binder (ensures the cohesion of powdery and powdery products).
Prof. Dr. med. Peter Altmeyer