polyurethane trimerization catalysts in continuous pir sandwich panel production: a comprehensive review abstract: the continuous production of polyisocyanurate (pir) sandwich panels relies heavily on efficient trimerization catalysis to achieve the desired thermal and fire performance. this article provides a comprehensive review of polyurethane trimerization catalysts employed in this process, focusing on their chemical mechanisms, impact...

polyurethane trimerization catalysts in continuous pir sandwich panel production: a comprehensive review abstract: the continuous production of polyisocyanurate (pir) sandwich panels relies heavily on efficient trimerization catalysis to achieve the desired thermal and fire performance. this article provides a comprehensive review of polyurethane trimerization catalysts employed in this process, focusing on their chemical mechanisms, impact...