RIGID POLYURETHANE FOAMS WITH IMPROVED PROPERTIES

In the process of the present invention, an organic polyisocyanate is reacted with a sorbitol-based polyether polyol having a number average molecular weight of from about 400 to about 1500, in the presence of a pentafluoropropane blowing agent, and a catalyst.

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Bibliographische Detailangaben
Hauptverfasser: SCHILLING, STEVEN L, BALL, EDWARD E, ELSKEN, KEVIN J
Format: Patent
Sprache:eng ; fre
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Beschreibung
Zusammenfassung:In the process of the present invention, an organic polyisocyanate is reacted with a sorbitol-based polyether polyol having a number average molecular weight of from about 400 to about 1500, in the presence of a pentafluoropropane blowing agent, and a catalyst.