{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T14:07:59Z","timestamp":1790172479130,"version":"4.1.0"},"reference-count":48,"publisher":"Wiley","issue":"48","license":[{"start":{"date-parts":[[2026,7,17]],"date-time":"2026-07-17T00:00:00Z","timestamp":1784246400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,7,17]],"date-time":"2026-07-17T00:00:00Z","timestamp":1784246400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["52373061"],"award-info":[{"award-number":["52373061"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["52473061"],"award-info":[{"award-number":["52473061"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["52525301"],"award-info":[{"award-number":["52525301"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["advanced.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Advanced Materials"],"published-print":{"date-parts":[[2026,8]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>Silicone rubber is indispensable in modern life owing to its exceptional thermal resistance, chemical inertness and long\u2010term stability. However, the robustness of its Si\u2013O\u2013Si backbone makes it among the most difficult materials to recycle, leading to persistent waste accumulation and serious environmental concerns. Herein, we report a boron\u2010assisted thermomechanical scission (BATS) upcycling strategy that directly converts crosslinked silicone rubber waste into high\u2010value polyborosiloxane (PBS), a classic strain\u2010rate\u2010responsive material known as Silly Putty. Under mild conditions, BATS cleaves Si\u2013O\u2013Si backbones and reconstructs them into dynamic Si\u2013O\u2013B linkages, transforming silicone rubber waste into a high\u2010value dynamic polymer through a solvent\u2010free, byproduct\u2010free process. Because this boron\u2010assisted scission process acts directly on siloxane chains, it is broadly applicable to diverse silicone rubber wastes and can be implemented using conventional polymer\u2010processing equipment. Moreover, the resulting PBS exhibits practical utility in impact protection and rate\u2010responsive sensing. To the best of our knowledge, the BATS strategy appears to be the first example of direct polymer\u2010to\u2010polymer upcycling of silicone rubber waste into a substantially higher\u2010value material. This work establishes a general, scalable, and sustainable polymer\u2010to\u2010polymer upcycling platform for silicone rubber waste and offers a promising strategy for advancing a circular organosilicon economy.<\/jats:p>","DOI":"10.1002\/adma.74158","type":"journal-article","created":{"date-parts":[[2026,7,17]],"date-time":"2026-07-17T11:15:12Z","timestamp":1784286912000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Upcycling of Silicone Rubber into Value\u2010Added Polyborosiloxane via Boron\u2010Assisted Mechanochemistry"],"prefix":"10.1002","volume":"38","author":[{"given":"Hu","family":"Xu","sequence":"first","affiliation":[{"name":"College of Polymer Science and Engineering, State Key Laboratory of Advanced Polymer Materials Sichuan University  Chengdu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qi","family":"Wu","sequence":"additional","affiliation":[{"name":"College of Polymer Science and Engineering, State Key Laboratory of Advanced Polymer Materials Sichuan University  Chengdu China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5329-5522","authenticated-orcid":false,"given":"Jinrong","family":"Wu","sequence":"additional","affiliation":[{"name":"College of Polymer Science and Engineering, State Key Laboratory of Advanced Polymer Materials Sichuan University  Chengdu 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