Complementary acid site mechanisms in hydrogen-free polyethylene upcycling: elucidating the distinct roles of Brønsted and Lewis sites in Ce-modified zeolites

2025/01/01 by Taeeun Kwon, J. S. PARK, Ki Hyuk Kang +3 · 1 voice
Environmental Science · Materials Science · #Polymer crystallization and properties #Recycling and Waste Management Techniques #biodegradable polymer synthesis and properties

paper · doi:10.1039/d5gc01799h

openalex publication_date 2025/01/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/12

Abstract

Hydrogen-free upcycling of polyolefins over zeolite catalysts yields up to 88.7% naphtha. A linear structure–function relationship reveals that Brønsted acid sites promote β-scission, while strong Lewis acid sites enhance hydride abstraction.

Citations

• Review on Catalytic Depolymerization of Polyolefin Waste by Hydrogenolysis: State-of-the-Art and Outlook

Discussions

• Check out the covers of 𝐆𝐫𝐞𝐞𝐧 𝐂𝐡𝐞𝐦𝐢𝐬𝐭𝐫𝐲’s 38th issue 💚 ❇️ 𝐂𝐨𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐚𝐫𝐲 𝐚𝐜𝐢𝐝 𝐬𝐢𝐭𝐞 𝐦𝐞𝐜𝐡𝐚𝐧𝐢𝐬𝐦𝐬 𝐢𝐧 𝐡𝐲𝐝𝐫𝐨𝐠𝐞𝐧-𝐟𝐫𝐞𝐞 𝐩𝐨𝐥𝐲𝐞𝐭𝐡𝐲𝐥𝐞𝐧𝐞 𝐮𝐩 [bsky, 2 points, 1 comments]

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