Back to results
US 2024/0018092 A1Published application
Process for acid hydrolysis of pure polylaurolactam
AssigneeEvonik Operations GmbH
InventorsAlexander Richter, Christian Nörmberg, Norbert Kern, Florian Hermes, Franz-Erich Baumann, Martin Roos, Daniel Demicoli
Life of this patent
Estimating the term…
Abstract
An improved process can be used for the acid hydrolysis of polylaurolactam with sulfuric acid. An especially suitable starting material is polylaurolactam which is intended for recycling and which is characterized by a low laurolactam content.
Claims10
A process for the hydrolysis of polylaurolactam, the process comprising:
- cleaving the polylaurolactam with sulfuric acid at a temperature of from 125° C. to 190° C., to give ω-aminolauric acid.
Dependencies are inferred from the claim text.