Fig. 1 (IMAGE) Osaka University Caption New robust polymers that are chemically recyclable. Introducing a directing group enables catalytic cleavage of strong chemical bonds, allowing controlled degradation of robust polymers into monomers. Credit Mamoru Tobisu, Osaka University Usage Restrictions Credit must be given to the creator. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.