{"doi":"10.1039/d5sc02522b","title":"Crosslinking 1,4-polybutadiene <i>via</i> allylic amination: a new strategy for deconstructable rubbers","abstract":", crumb rubber for asphalt or turf) is the major avenue for end-of-life thermoset elastomers. To enable alternative recycling pathways, herein we propose a two-step procedure to crosslink polybutadiene (PBD) as a substitute for vulcanization, resulting in deconstructable soft materials. First, we utilize the established C-H allylic amination of PBD to access thermoplastic elastomer pre-polymers functionalized with electrophilic hexafluoroisopropyl sulfamate (PBD-HFIPS). Then, PBD-HFIPS alcoholysis with diol crosslinkers yields thermoset specimens with tunable thermal, rheological, and mechanical properties dependent on crosslinker identity and density. Finally, treating these thermosets with a nucleophile cleaves sulfamate crosslinks and regenerates the thermoplastic with no characterizable differences from virgin PBD.","journal":"Chemical Science","year":2025,"id":523398,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":4,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9562,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2025-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1253672,"name":"Ana Paula Kitos Vasconcelos","orcid":"0000-0001-5461-2764","position":1,"is_corresponding":false},{"id":1396298,"name":"Leslie Reed","orcid":null,"position":2,"is_corresponding":false},{"id":588218,"name":"Matthew R. Golder","orcid":"0000-0001-5848-7366","position":3,"is_corresponding":false},{"id":1395822,"name":"Mercie N. Hodges","orcid":"0009-0009-1448-0950","position":0,"is_corresponding":true}],"reference_count":47,"raw_metadata":null,"created_at":"2026-07-19T02:50:03.004175Z","pmid":"40417305","pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}