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Biorenewable Circularity in Polydiketoenamine Plastics
Jeremy Demarteau ; Benjamin Cousineau ; Zilong Wang , et al. ChemRxiv,2022. DOI: 10.26434/chemrxiv-2022-3j68j
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Abstract: While bio-based feedstocks can replace petrochemicals to improve the sustainability of plastics production, it remains a challenge to realize bio-advantaged performance in the usephase along with recycling circularity at end of life. Here, we show that by incorporating the polyketide triacetic acid lactone (TAL) in polydiketoenamines (PDK), we increase the working temperature of these circular plastics, opening the door wider to applications where circularity is urgently needed. By varying the structure of TAL-derived monomers, we observed unexpected odd–even effects, where the number of carbons in the monomer affected both polymer properties and recycling efficiency. We engineered a process for producing bioTAL in Escherichia coli that expresses a non-native polyketoacyl-CoA thiolase, BktB, which enabled bioTAL production from glucose under fed-batch fermentation. We also quantified cost and life cycle greenhouse-gas emissions of bioTAL production, differentiating scenarios by production volume to identify risks and opportunities in biorenewable circularity.
Purchased from AmBeed: 1852-04-6
CAS No. : | 1852-04-6 | MDL No. : | MFCD00004444 |
Formula : | C11H20O4 | Boiling Point : | - |
Linear Structure Formula : | HOOC(CH2)9COOH | InChI Key : | LWBHHRRTOZQPDM-UHFFFAOYSA-N |
M.W : | 216.27 | Pubchem ID : | 15816 |
Synonyms : |
Undecanedioic acid
|
Chemical Name : | 1,9-Nonanedicarboxylicacid |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
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* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
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