liquid vs. solid polyurethane trimerization catalysts: a performance, handling, and application comparison abstract: polyurethane (pur) and polyisocyanurate (pir) foams are integral materials in a wide range of applications, from insulation and automotive components to furniture and adhesives. the trimerization of isocyanates, leading to the formation of isocyanurate rings, is a crucial reaction in the production...

liquid vs. solid polyurethane trimerization catalysts: a performance, handling, and application comparison abstract: polyurethane (pur) and polyisocyanurate (pir) foams are integral materials in a wide range of applications, from insulation and automotive components to furniture and adhesives. the trimerization of isocyanates, leading to the formation of isocyanurate rings, is a crucial reaction in the production...