Hierarchically porous polyimide
Web5 de abr. de 2024 · Zhang XH, Ni XX, Li CX, You B, Sun G. Co-gel strategy for preparing hierarchically porous silica/polyimide nanocomposite aerogel with thermal insulation and flame retardancy. J Mater Chem A 2024;8:9701–12. Article CAS Google Scholar Wang YT, Zhao HB, Degracia K, Han LX, Sun H, Sun M, Wang YZ, Schiraldi DA. Web9 de mar. de 2016 · 3D carbon superstructures are fabricated through the hierarchical assembly of polyimide nanosheets and thermal treatment. Benefiting from the ultrahigh …
Hierarchically porous polyimide
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Web22 de set. de 2024 · Here, hierarchically porous polyimide (PI)/Ti 3 C 2 T x films with consecutively conductive pathways have been . constructed via a unidirectional PI … Web1 de mai. de 2024 · We demonstrated the formation of hierarchical porous graphene (HPG) films with defects from polyimide (PI) sheets using a high repetition rate nanosecond fiber laser.
Web29 de abr. de 2024 · In this work, an efficient thermally insulating and flame-retardant silica/polyimide (SiO 2 /PI) nanocomposite aerogel with hierarchically porous … Web25 de jun. de 2024 · Porous interior structured polyimide (PI) films with a hierarchical surface are fabricated from 4,4′-(hexafluoroisopropylidene)diphthalic anhydride and 4,4′-oxydianiline by a water vapor induced phase separation process under a …
WebHydrophobic and hydrophilic modification of hierarchically porous monolithic polyimide derivatives as functional liquid absorbers†. Yan Wang , Luwei Zhang , Taka-Aki Asoh * … Web22 de set. de 2024 · To this end, we designed and constructed hierarchically porous PI/Ti 3 C 2 T x (MXene) composite films with consecutively conductive pathways of Ti 3 C 2 T x flakes via a unidirectional PI aerogel–assisted immersion and hot-pressing approach. …
Web22 de set. de 2024 · Here, hierarchically porous polyimide (PI)/Ti 3 C 2 T x films with consecutively conductive pathways have been constructed via a unidirectional PI aerogel–assisted immersion and hot-pressing strategy. Contributed by special architectures and high conductivities, ...
Web11 de jan. de 2016 · 3D carbon superstructures are fabricated through the hierarchical assembly of polyimide nanosheets and thermal treatment. Benefiting from the ultrahigh surface area and the hierarchically porous structure, along with the well-distributed highly electroactive sites, the flower-like carbon material exhibits outstanding catalytic activity … siberia monamour. film 2011Web7 de out. de 2024 · Electrically conductive porous structures are ideal candidates for lightweight and absorption-dominant electromagnetic interference (EMI) shielding. In this review, we summarize the recent progress in developing porous composites and structures from emerging two-dimensional (2D) graphene and MXene nanosheets for EMI shielding … siberia marathonWeb1 de nov. de 2024 · Request PDF Hierarchically porous polyimide aerogel fibers based on the confinement of Ti3C2Tx flakes for thermal insulation and fire retardancy Thermally insulating and flame-resistant fibers ... siberia is in what countryWeb1 de jan. de 2024 · More excitingly, hierarchical porous structures are verified by high-resolution SEM observation in Fig. 1 (g)-1(i). It is demonstrated that the matrix of … siberia monstersWeb1 de fev. de 2024 · Taking into account the active roles of fluorine-containing groups, POSS and porous structure in enhancing the dielectric and other properties of polymer materials, in this article, all of them were integrated together to prepare a hierarchical porous structure contained composite PI film through the microemulsion method, in which … siberia movie trailer 2020Web28 de jul. de 2024 · The flaky structure of porous carbon reduces gaps between active substances, increasing the volumetric specific capacitance and reducing the transmission distance for electrolyte ions. 12, 19 Further, decreasing the thickness of porous carbon not only reduces the electric/ionic transfer path, which is conducive to higher power delivery … siberia mammothWeb4 de abr. de 2024 · Recent advances in the design, synthesis, and functional applications of MOF-based hierarchically porous materials are summarized and their structural characters toward various applications, including catalysis, gas storage and separation, air filtration, sewage treatment, sensing and energy storage are demonstrated. siberia lovett fort-whiteman