Degradable PE-Based Copolymer with Controlled Ester Structure Incorporation by Cobalt-Mediated Radical Copolymerization under Mild Condition
Open accessAbstract
Polyethylene (PE) is one of the most widely used materials in the world, but it is virtually undegradable and quickly accumulates in nature, which may contaminate the environment. We utilized the cobalt-mediated radical copolymerization (CMRP) of ethylene and cyclic ketene acetals (CKAs) to effectively incorporate ester groups into PE backbone as cleavable structures to make PE-based copolymer degradable under mild conditions. The content of ethylene and ester units in the produced copolymer could be finely regulated by CKA concentration or ethylene pressure. Also, the copolymerization of ethylene and CKA with other functional vinyl monomers can produce functional and degradable PE-based copolymer. All the formed PE-based copolymers could degrade in the presence of trimethylamine (Et 3 N).
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- Authors
- Zeng, T., You, W., Chen, G., Nie, X., Zhang, Z., Xia, L., Hong, C., Chen, C., & You, Y.
- Affiliations
- University of Science and Technology of China (CN)
- Corresponding author
- Zhang, Ze
- Chen, Changle
- Venue
- iScience
- Publisher
- Elsevier BV
- Published
- 2020-03
- Volume
- 23
- Issue
- 3
- Pages
- 100904
- ISSN
- 2589-0042 (ISSN-L)
- PMC
- PMC7044514
- OpenAlex
- W3006300202
- Cited by
- 75
- References
- 59
- Citations by year
- 2026: 8 · 2025: 13 · 2024: 10 · 2023: 14 · 2022: 9 · 2021: 14 · 2020: 7
- FWCI
- 2.86
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- iScience (publishedVersion, cc-by-nc-nd)
- Europe PMC (PubMed Central) (publishedVersion, cc-by-nc-nd)
- PubMed Central (publishedVersion, cc-by-nc-nd)
- PubMed (publishedVersion)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Funders
- National Natural Science Foundation of China (21525420, 51625305, 21774113, 51873202)
- National Key Research and Development Program of China (2017YFA0205600)
- Topics
- Physical Sciences › Materials Science › Biomaterials › biodegradable polymer synthesis and properties
- Physical Sciences › Chemistry › Organic Chemistry › Advanced Polymer Synthesis and Characterization
- Physical Sciences › Materials Science › Polymers and Plastics › Polymer crystallization and properties
- Keywords
- polyethylene, cyclic ketene acetals, biodegradable polymers, ethylene copolymerization, polymer degradation
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