Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
Patent
1990-03-30
1995-02-21
Rollins, John W.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carbohydrates or derivatives
536120, 536124, 568619, 568620, C07H 100, C07H 300, C07C 4311, C07C 4318
Patent
active
053917227
ABSTRACT:
The present invention relates to a process for making a polyol which comprises the steps of: (a) fabricating a propoxylated polyhydric initiator by reacting propylene oxide with a polyhydric initiator in the presence of an acid catalyst, said reaction being conducted in the absence of a KOH catalyst, to produce a propoxylated polyhydric initiator containing acid catalyst residue(s) and free of KOH catalyst residue, and (b) reacting said propoxylated polyhydric initiator containing acid catalyst residue(s) with an alkylene oxide in the presence of a double metal cyanide complex catalyst to produce a polyol.
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Chandalia Kiran B.
Martinez Michael M.
Reisch John W.
Carlson Dale Lynn
Olin Corporation
Rollins John W.
White Everett
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