{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Zhao Y"],"funding":["NIGMS NIH HHS"],"pagination":["310-314"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC10710102"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["382(6668)"],"pubmed_abstract":["Polyolefins are the most important and largest volume plastics produced. Unfortunately, the enormous use of plastics and lack of effective disposal or recycling options have created a plastic waste catastrophe. In this work, we report an approach to create chemically recyclable polyolefin-like materials with diverse mechanical properties through the construction of multiblock polymers from hard and soft oligomeric building blocks synthesized with ruthenium-mediated ring-opening metathesis polymerization of cyclooctenes. The multiblock polymers exhibit broad mechanical properties, spanning elastomers to plastomers to thermoplastics, while integrating a high melting transition temperature (<i>T</i><sub>m</sub>) and low glass transition temperature (<i>T</i><sub>g</sub>), making them suitable for use across diverse applications (<i>T</i><sub>m</sub> as high as 128°C and <i>T</i><sub>g</sub> as low as -60°C). After use, the different plastics can be combined and efficiently deconstructed back to the fundamental hard and soft building blocks for separation and repolymerization to realize a closed-loop recycling process."],"journal":["Science (New York, N.Y.)"],"pubmed_title":["Chemically recyclable polyolefin-like multiblock polymers."],"pmcid":["PMC10710102"],"funding_grant_id":["R35 GM144356"],"pubmed_authors":["Miyake GM","Hu Z","Harry KL","Rettner EM","Miscall J","Rorrer NA","Zhao Y"],"additional_accession":[]},"is_claimable":false,"name":"Chemically recyclable polyolefin-like multiblock polymers.","description":"Polyolefins are the most important and largest volume plastics produced. Unfortunately, the enormous use of plastics and lack of effective disposal or recycling options have created a plastic waste catastrophe. In this work, we report an approach to create chemically recyclable polyolefin-like materials with diverse mechanical properties through the construction of multiblock polymers from hard and soft oligomeric building blocks synthesized with ruthenium-mediated ring-opening metathesis polymerization of cyclooctenes. The multiblock polymers exhibit broad mechanical properties, spanning elastomers to plastomers to thermoplastics, while integrating a high melting transition temperature (<i>T</i><sub>m</sub>) and low glass transition temperature (<i>T</i><sub>g</sub>), making them suitable for use across diverse applications (<i>T</i><sub>m</sub> as high as 128°C and <i>T</i><sub>g</sub> as low as -60°C). After use, the different plastics can be combined and efficiently deconstructed back to the fundamental hard and soft building blocks for separation and repolymerization to realize a closed-loop recycling process.","dates":{"release":"2023-01-01T00:00:00Z","publication":"2023 Oct","modification":"2025-04-18T13:09:26.215Z","creation":"2025-04-06T22:42:53.286Z"},"accession":"S-EPMC10710102","cross_references":{"pubmed":["37856598"],"doi":["10.1126/science.adh3353"]}}