POLYOLS USEFUL FOR PREPARING WATER BLOWN RIGID POLYURETHANE FOAM

Mannich polyols having a viscosity of from 300 to 3,500 cps (0.3 to 3.5 Pa*s) at 25° C. are prepared by admixing a phenol, an alkanolamines, and formaldehyde mixed in molar ratios of from 1:1:1 to 1:2.2:2.2 resulting in an initiator which can be alkoxylated using a mixture of ethylene oxide and prop...

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Bibliographische Detailangaben
Hauptverfasser: MOLINA NELSON F, MOORE STANLEY E
Format: Patent
Sprache:eng ; pol
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