goto contents

Bernhard Michael Hermann Stadler

Renewable polymers for adhesives from levulinic acid and polyester upcycling

Universität Rostock, 2020

Abstract: This dissertation describes the development of novel polymers and oligomers based on derivatives (1,4-pentanediol, 2-methyltetrahydrofuran, α-angelicalactone) of the bio-based platform chemical levulinic acid. Polyurethanes based on 1,4-PDO polyester polyols showed shape memory properties. A process for the copolymerization of 2-MeTHF and propylene oxide was developed and the polymerization mechanism investigated. In the second part of the thesis a protocol for the upcycling of polyesters by hydrogenation to polyether polyols was developed.

doctoral thesis   free access