Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Ethylene carbonate | HCID 7303 | — |
| Catalyst | Sodium Stannate | HCID 21977542 | — |
| Product | Carbon Dioxide | HCID 280 | 19.2% |
| Product | Ethylene carbonate | HCID 7303 | 97.9% |
Reaction Steps
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.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|
| Patent number | US04709069 |
|---|
| Source dataset | uspto-grants-1987_11 |
|---|
| ORD ID | ord-83e27cce764c40d789da328866ec9e7a |
|---|
| Source note | uspto-grants-1987_11 |
|---|
