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Transfer hydrogenation offers an attractive alternative, but it remains constrained by the high cost of typical hydrogen donors. Polyethylene (PE), a major contributor to persistent plastic wastes, is a hydrogen\u2010rich polymer capable of releasing hydrogen during catalytic deconstruction. Here, we propose the use of PE as an inexpensive hydrogen donor for the selective transfer hydrogenation of C\u2500O bonds. We evaluate the transfer hydrogenation of representative substrates, including methanol and lignin model compounds such as anisole and phenoxy ethylbenzene, and show that C\u2500OH, C\n                    <jats:sub>aryl<\/jats:sub>\n                    \u2500O\u2500CH\n                    <jats:sub>3<\/jats:sub>\n                    , and \u03b2\u2010\n                    <jats:italic>O<\/jats:italic>\n                    \u20104 linkages undergo efficient and selective cleavage to afford the desired products over acidic zeolites under mild conditions (ambient pressure, &lt;200\u00b0C). Control experiments show that the acid sites of the zeolite activate PE to generate hydrogen species while simultaneously polarizing the C\u2500O bonds of the substrates, thereby enabling C\u2500O bond transfer hydrogenolysis. These findings uncover a previously unrecognized hydrogen\u2010transfer pathway between PE and C\u2500O bonds, and provide a basis for developing integrated upcycling strategies for plastic waste and biomass.\n                  <\/jats:p>","DOI":"10.1002\/anie.8845899","type":"journal-article","created":{"date-parts":[[2026,5,13]],"date-time":"2026-05-13T14:53:58Z","timestamp":1778684038000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Polyethylene as a Hydrogen Source for C\u2500O Bond Cleavage Via Transfer Hydrogenation"],"prefix":"10.1002","volume":"65","author":[{"given":"Weilong","family":"Wen","sequence":"first","affiliation":[{"name":"Beijing National Laboratory for Molecular Sciences Key Laboratory of Colloid and Interface and Thermodynamics Institute of Chemistry Chinese Academy of Sciences  Beijing China"},{"name":"School of Chemical Sciences University of Chinese Academy of Sciences  Beijing 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Key Laboratory of Colloid and Interface and Thermodynamics Institute of Chemistry Chinese Academy of Sciences  Beijing China"},{"name":"School of Chemical Sciences University of Chinese Academy of Sciences  Beijing China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0440-809X","authenticated-orcid":false,"given":"Buxing","family":"Han","sequence":"additional","affiliation":[{"name":"Beijing National Laboratory for Molecular Sciences Key Laboratory of Colloid and Interface and Thermodynamics Institute of Chemistry Chinese Academy of Sciences  Beijing China"},{"name":"School of Chemical Sciences University of Chinese Academy of Sciences  Beijing 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