Low Pressure Process for Frothing Polyurethane or Polyisocyanurate

A process of making a polyurethane or polyisocyanurate foam comprises the step of mixing under low pressure: (A) An isocyanate; (B) A compound reactive with the isocyanate, e.g., a polyol; (C) A liquid blowing agent; and (D) Carbon dioxide.

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Bibliographische Detailangaben
Hauptverfasser: REXRODE ERIC M, VAIRO GIUSEPPE, PIGNAGNOLI FRANCESCA, FLAHERTY KELLY R
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A process of making a polyurethane or polyisocyanurate foam comprises the step of mixing under low pressure: (A) An isocyanate; (B) A compound reactive with the isocyanate, e.g., a polyol; (C) A liquid blowing agent; and (D) Carbon dioxide.