Polyurethane Trimerization Catalysts: Enhancing Chemical Resistance in Polyurethane Materials Abstract: Polyurethane (PU) materials are widely used across diverse industries due to their versatile properties. However, their chemical resistance, particularly to solvents and aggressive chemicals, remains a significant limitation in certain applications. Trimerization catalysts, promoting the formation of isocyanurate rings within the PU matrix, offer a...