A novel catalytic two-step process for the preparation of rigid polyurethane foams: synthesis, mechanism and computational studies
Loredana Maiuolo, Fabrizio Olivito, Fortuna Ponte, Vincenzo Algieri, Matteo Antonio Tallarida, Antonio Tursi, G. Chidichimo, Emilia Sicilia, Antonio De Nino
Abstract
Synthesis of polyurethane foams catalyzed by sodium chloride both in prepolymer preparation and elongation step. The reaction mechanism involves the role of a proton shuttle between two terminal OH groups of PEG 400.
Topics & Concepts
PolyurethanePrepolymerElongationCatalysisPEG ratioMaterials scienceChemical engineeringProcess (computing)Polymer chemistryChemistryComposite materialUltimate tensile strengthOrganic chemistryComputer scienceOperating systemFinanceEconomicsEngineeringPolymer composites and self-healingOxidative Organic Chemistry ReactionsSynthetic Organic Chemistry Methods