{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T05:01:02Z","timestamp":1790226062936,"version":"4.1.0"},"reference-count":52,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T00:00:00Z","timestamp":1790121600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T00:00:00Z","timestamp":1790121600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100012226","name":"Fundamental Research Funds for the Central Universities","doi-asserted-by":"publisher","award":["222201717003"],"award-info":[{"award-number":["222201717003"]}],"id":[{"id":"10.13039\/501100012226","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Angew Chem Int Ed"],"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>\n                    Selective conversion of waste polyolefins to light olefins offers a promising route for waste\u2010plastic valorization but is often limited by the trade\u2010off between cracking activity and secondary reactions over acidic zeolites. Here we report a tetrapropylammonium hydroxide\u2010directed synthesis strategy assisted by cetyltrimethylammonium bromide (CTAB) and tert\u2010butanol (TBA) to construct an ultra\u2010high\u2010silica hierarchical ZSM\u20105 with a highly isolated framework\u2010Al distribution within a low\u2010acidity environment. Under hydrogen\u2010free conditions at 450\u00b0C, the optimized catalyst CTAB\n                    <jats:sub>2.5<\/jats:sub>\n                    \/TBA\n                    <jats:sub>5<\/jats:sub>\n                    \u2010ZSM\u20105 achieves a gas yield of 95.3\u00a0wt%, a C\n                    <jats:sub>2\u2013<\/jats:sub>\n                    C\n                    <jats:sub>4<\/jats:sub>\n                    olefin selectivity of 88.2% in the gas phase, and a light\u2010olefin yield of 84.0\u00a0wt%, while maintaining a light\u2010olefin yield of \u223c77\u00a0wt% over 20 consecutive cycles without regeneration. The catalyst also maintains high gas yields and light\u2010olefin selectivity across representative post\u2010consumer polyolefin feedstocks. Structural and catalytic analyses show that the superior performance stems from enhanced mass transport through the hierarchical pore network coupled with a highly isolated, channel\u2010preferential framework\u2010Al distribution, thereby suppressing deep secondary conversion. The concerted control of hierarchical accessibility and framework\u2010Al distribution in low\u2010acidity zeolites offers a useful framework for designing efficient polyolefin\u2010cracking catalysts.\n                  <\/jats:p>","DOI":"10.1002\/anie.8344174","type":"journal-article","created":{"date-parts":[[2026,9,24]],"date-time":"2026-09-24T04:22:29Z","timestamp":1790223749000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Hierarchical Accessibility and Framework\u2010Al Organization in Ultra\u2010High\u2010Silica ZSM\u20105 Enable Efficient Cracking of Polyolefin Waste to Light Olefins"],"prefix":"10.1002","author":[{"given":"Wang","family":"Xu","sequence":"first","affiliation":[{"name":"Key Laboratory for Advanced Materials Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering East China University of Science and Technology  Shanghai China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jingyue","family":"Hu","sequence":"additional","affiliation":[{"name":"Key Laboratory for Advanced Materials Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering East China University of Science and Technology  Shanghai China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juan","family":"Liu","sequence":"additional","affiliation":[{"name":"Key Laboratory for Advanced Materials Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering East China University of Science and Technology  Shanghai China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0000-5277-4479","authenticated-orcid":false,"given":"Zhuohan","family":"Lin","sequence":"additional","affiliation":[{"name":"Key Laboratory for Advanced Materials Shanghai Key Laboratory of Functional Materials 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China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3031-6252","authenticated-orcid":false,"given":"Yan","family":"Li","sequence":"additional","affiliation":[{"name":"Key Laboratory for Advanced Materials Shanghai Key Laboratory of Functional Materials Chemistry, School of Chemistry and Molecular Engineering East China University of Science and Technology  Shanghai 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