Reaction equation
[C:1]1(=[O:6])[O:5][CH2:4][CH2:3][O:2]1>O.O.O.[O-][Sn]([O-])=O.[Na+].[Na+]>[C:1]1(=[O:6])[O:5][CH2:4][CH2:3][O:2]1.[C:1](=[O:5])=[O:2]Participants
4
Reactant 1
Product 2
Reagents, catalysts & solvents 1
Conditions
- Temperature
- 175 °C
Procedure
A 10:1 mole ratio of ethylene carbonate to polyester polyol (poly(caprolactone) diol, MW=530) is heated with stirring under a nitrogen atmosphere for 4 hours at 175° C. using 0.5 percent sodium stannate trihydrate as catalyst to give 97.9 percent ethylene carbonate conversion to a poly(alkylene carbonate) polyol with 19.2 percent carbon dioxide. The catalyst is removed as in Example 1.
Sources & evidence
- ORD record
- ord-83e27cce764c40d789da328866ec9e7a
- Source dataset
- uspto-grants-1987_11
- Patent number
- US04709069
Linked notes
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