Cover story in "Macromolecular Rapid Communications"...

...shows that strontium salts are suitable as catalysts for ring-opening polymerization.
Image: Jan-Peter Kasper (University of Jena)

Published: 7 November 2019, 13:36

In addition to use as, e.g. biodegradable packaging materials, polyesters are often used in the medical field. These materials are produced industrially by ring-opening polymerization (ROP) of lactones, lactide or glycolide. However, a harmful tin-based catalyst is used for this purpose and remains partly in the material. Could not something be used that would instead have a health-promoting effect? Because strontium salts are applied to treat osteoporosis, we tested such compounds as ROP catalysts and found that strontium diisopropoxide worked in an excellent fashion.

The original publication entitled „ Strontium isopropoxide: A highly active catalyst for the ROP of lactide and various lactones” can be found here.

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