{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Shi T"],"funding":["Foundation of Young Scholars of Western China, Chinese Academy of Sciences","Beijing Natural Science Foundation"],"pagination":["e2411758"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC11791978"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["12(5)"],"pubmed_abstract":["There is an emerging requirement of advanced functional materials for simultaneous thermal protection and electromagnetic wave-transparent transmission applications. A novel polyimide (PI) aerogel-based sandwich-structural composite is developed to meet such a requirement in this study. This composite is based on a unidirectional fluorinated PI (FPI) aerogel as a lower layer, a nondirectional conventional PI aerogel as a middle layer, and a nondirectional FPI aerogel/paraffin phase-change composite as an upper layer. The lower layer exhibits a unique unidirectional porous microstructure and an ultralow dielectric constant of 1.04. The upper layer possesses a dynamical temperature regulation capability thanks to its loaded paraffin having a high latent heat capacity of 242.7 J g<sup>-1</sup"],"journal":["Advanced science (Weinheim, Baden-Wurttemberg, Germany)"],"pubmed_title":["Sandwich-Structured Fluorinated Polyimide Aerogel/Paraffin Phase-Change Composites Simultaneously Enables Gradient Thermal Protection and Electromagnetic Wave Transmission."],"pmcid":["PMC11791978"],"funding_grant_id":["2242049"],"pubmed_authors":["Liu H","Qian Z","Jing J","Tian G","Shi T","Wang X","Wu G"],"additional_accession":[]},"is_claimable":false,"name":"Sandwich-Structured Fluorinated Polyimide Aerogel/Paraffin Phase-Change Composites Simultaneously Enables Gradient Thermal Protection and Electromagnetic Wave Transmission.","description":"There is an emerging requirement of advanced functional materials for simultaneous thermal protection and electromagnetic wave-transparent transmission applications. A novel polyimide (PI) aerogel-based sandwich-structural composite is developed to meet such a requirement in this study. This composite is based on a unidirectional fluorinated PI (FPI) aerogel as a lower layer, a nondirectional conventional PI aerogel as a middle layer, and a nondirectional FPI aerogel/paraffin phase-change composite as an upper layer. The lower layer exhibits a unique unidirectional porous microstructure and an ultralow dielectric constant of 1.04. The upper layer possesses a dynamical temperature regulation capability thanks to its loaded paraffin having a high latent heat capacity of 242.7 J g<sup>-1</sup","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Feb","modification":"2025-04-19T05:59:56.771Z","creation":"2025-04-19T05:59:56.771Z"},"accession":"S-EPMC11791978","cross_references":{"pubmed":["39639801"],"doi":["10.1002/advs.202411758"]}}