Chemically Recyclable Polymers to Combat Single-Use Plastics
Available for Licensing
US Utility Patent Pending (Not Yet Published)
Eugene Y Chen
At A Glance
Researchers at Colorado State University have developed a new paradigm of Atom-bridged Bicyclic Lactone (BL) and Thiolactone (BTL) by monomer structure design. Both BL and BTL show high polymerizability and can be polymerized within several minutes. The resulting linear and cyclic linear and cyclic poly(BTL), PBTL, show high melting temperature by regulating the tacticity of PBTL. Mechanical properties of the high crystalline PBTL revealed high tensile strength, Young’s modulus, and elongation. Furthermore, mechanical data could be tuned both by the tacticity of the PBTL and the anneal temperature. The polymers can be quantitatively depolymerized to the pure monomers in the presence of a catalyst.
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Reference No.: 2020-054
Owing to their outstanding and versatile properties, synthetic polymeric materials meet the demands of end consumer products and play a key role in modern life and the global economy. However, synthetic polymers are largely based on petroleum resources, which are rapidly depleting due to ever increasing energy demands. Likewise, the tremendous growth of single-use plastics poses a threat to the environment. Therefore, modern society has inherited the responsibility of gradually replacing petroleum-based polymers with those derived from renewable resources and with built-in end-of-life solutions, such as recyclability.
- Robust physical and mechanical properties for common applications
- Convenient processability
- Sustainable polymer material
- Thermal stability, crystallinity, toughness and ductility
- Chemically recyclable plastics for commodity applications
Last updated: February 2020
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