Processes for producing a polyurethane foam described herein include mixing a physical blowing agent with one or more of an isocyanate-reacting mixture and an isocyanate at a sorption pressure psorp for a time tsorp, reacting the isocyanate-reacting mixture and the isocyanate at a pressure p1 for a time t1, reducing the pressure to a pressure p2, maintaining the pressure at the pressure p2 for a time t2, and reducing the pressure to atmospheric pressure patm. In various embodiments, patm
Methods for Producing Polyurethane Foams / Parenti, Vanni; Cavalca, Sara; Mosciatti, Thomas; DI MAIO, Ernesto; DI CAPRIO, MARIA ROSARIA; Brondi, Cosimo; Iannace, Salvatore. - (2020).
Methods for Producing Polyurethane Foams
Ernesto Di MaioConceptualization
;Maria Rosaria DI CAPRIOData Curation
;Cosimo BRONDIData Curation
;
2020
Abstract
Processes for producing a polyurethane foam described herein include mixing a physical blowing agent with one or more of an isocyanate-reacting mixture and an isocyanate at a sorption pressure psorp for a time tsorp, reacting the isocyanate-reacting mixture and the isocyanate at a pressure p1 for a time t1, reducing the pressure to a pressure p2, maintaining the pressure at the pressure p2 for a time t2, and reducing the pressure to atmospheric pressure patm. In various embodiments, patmI documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
