English
clear, practical rundown of polyurethane catalysts for rigid foam, especially the kind used in PIR / PUR insulation systems Role of Catalysts in Rigid PU FoamIn rigid foam formulations, catalysts control:Blowing reaction (isocyanate + water → CO₂)Gelling reaction (isocyanate + polyol → polymer)Tr
Triethylene Diamine (TEDA), commonly recognized by its trade name DABCO (1,4-diazabicyclo[2.2.2]octane), stands as a cornerstone chemical in modern polymer manufacturing. It acts as a highly nucleophilic tertiary amine base, driving essential reactions in material science. While it appears to be a s
In the complex world of polyurethane (PU) manufacturing, formulators face a constant, critical tension: balancing the "gelling" reaction with the "blowing" reaction. The gelling process involves isocyanates reacting with polyols to form the solid polymer matrix, while the blowing reaction generates
