Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Adipic Acid | HCID 196 | — |
| Reactant | Glycerol | HCID 753 | — |
| Reactant | Palmitic Acid | HCID 985 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 86587302 | HCID 86587302 | — |
Reaction Steps
A pre-gel composition having carboxyl-rich end groups was made in the following manner. To a 5-liter flask equipped with agitator, heating mantle, thermometer, and distillation setup, 726 g (2.84 equivalents) palmitic acid, 336 g (10.96 equivalents) glycerol, and 954 g (13.07 equivalents) adipic acid were added. The batch was heated at 150-200° C., whereupon water of reaction began to distill. The pressure was gradually reduced while maintaining the reaction temperature at 180-200° C. Heating was continued until water production had essentially stopped. Of the theoretical 197 g of water expected, a total of 181 g (92%) of water was collected. At 100-120° C., the batch remained a thick but stirrable liquid and did not gel. This pre-gel composition had carboxyl-rich end groups.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06469129B1 |
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| Source dataset | uspto-grants-2002_10 |
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| ORD ID | ord-a1bd46ddb36a41cd8ecc2c59f576ad0e |
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| Source note | uspto-grants-2002_10 |
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