Hierarchically porous polyimide

Author: hxoo

August undefined, 2024

WebHowever, developing lightweight, ultrathin, and efficient EM wave-shielding and wave-absorbing materials remains a challenge. Herein, a series of magnetic porous carbon composite films with a hierarchical network structure were fabricated via pyrolysis of porous polyimide (PI) films containing magnetic metallic salts of Fe(acac) 3 and Ni(acac) 2. http://xxtcl.sxicc.ac.cn/cn/article/doi/10.1016/S1872-5805(23)60736-X

Hierarchically porous polyimide/Ti3C2Tx film with stable ...

Web27 de nov. de 2024 · The porous PA materials exhibited low thermal conductivity, ... Han, H. A novel synthesis method for an open-cell microsponge polyimide for. heat … eamonn ohanlon gilford

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WebHierarchically porous electrospun nanofibrous mats produced from intrinsically microporous fluorinated polyimide for the removal of oils and non-polar solvents F. … Web9 de mar. de 2016 · 3D carbon superstructures are fabricated through the hierarchical assembly of polyimide nanosheets and thermal treatment. Benefiting from the ultrahigh … 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. … csp technology led headlights

Hierarchical porous polyimide nanocomposite membrane for …

Hierarchical porous structure contained composite polyimide …

Web4 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. Web1 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 … eamonn randall facebookWeb4 de fev. de 2013 · The film was fabricated with polyimide as a basic structure and nano-clay as the enhanced layer in the honeycomb wall borders, ... C. Coupling nanobuilding block and breath figures approaches for the designed construction of hierarchically templated porous materials and membranes. Chem. Mater. 2008, 20, 1049–1056. eamonn nash

"WebA compressible and monolithic microporous polyimide sponge was prepared from an aliphatic tetracarboxylic dianhydride and an aromatic triamine, which showed an amphiphilic character, because of the balanced presence of hydrophobic and hydrophilic groups. A compressible and monolithic microporous polyimide sponge was prepared from an … " - Hierarchically porous polyimide

Hierarchically porous polyimide

Web10 de abr. de 2024 · As illustrated by the SEM image in Fig. 1 (c), PINA exhibits a hierarchical and fiber-connected-lamellar porous structure due to the unidirectional freezing technique. The PSi-6 aerogel perfectly remains the anisotropic structure of the PINA matrix and exhibits a multi-scale structure, as shown in Fig. 1 (d). The SiO 2 constituents widely … WebHere, hierarchically porous polyimide (PI)/Ti 3C 2T x films with consecutively conductive pathways have been constructed via a unidirectional PI aerogel–assisted immersion and hot-pressing strategy.

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Web1 de set. de 2024 · Polyporous polyimide composite aerogels were prepared by incorporating ZIF. • Unique hierarchical structure in aerogels due to collapse of ZIF was first observed. • Carbon aerogels were readily obtained by carbonizing polyimide/ZIF aerogels. • Porous carbon aerogels exhibited a high CO 2 adsorption capacity of 2.23 mmol/g. WebHydrophobic and hydrophilic modification of hierarchically porous monolithic polyimide derivatives as functional liquid absorbers†. Yan Wang , Luwei Zhang , Taka-Aki Asoh * …

WebIn this contribution, an efficient conductive network composed of reduced graphene oxide (RGO) and carbon nanotubes (CNTs) is introduced into polyimide (PI) via in-situ … 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.

Web24 de ago. de 2024 · Further, a series of hierarchically porous inorganic materials such as TiO 2, Al 2 O 3, ZrO 2 and SiO 2 are also prepared using the obtained porous polymer beads as templates [68, 69]. Similarly, Wang et al. reported a water-in-oil-in-water (W/O/W) emulsion through a two-step emulsification method (Fig. 2b) . Web24 de set. de 2024 · Hierarchically porous polyimide/Ti 3 C 2 T x film with stable electromagnetic interference shielding after resisting harsh conditions. Hierarchically …

WebOxide-on-oxide porous electrodes revealing enhanced reversible multi-Li+/multielectron transfer properties by unconventional heterojunction effects † Yosuke HARA, Rikuo SHIGETAKE, Kazuki NAKANISHI, Kazuyoshi KANAMORI, Ken SAKAUSHI* ACS Appl. Mater. Interf. 14, 35883-35893 (2024). 10.1021/acsami.2c06297

Web1 de jan. de 2024 · Hierarchically porous polyimide aerogel fibers based on the confinement of Ti 3 C 2 T x flakes for thermal insulation and fire retardancy. Author links open overlay panel Dan Wang a, Yidong Peng a, Jiancheng Dong a, Lei Pu a, Kangqi Chang a, Xiu-Ping Yan b, Hai-Long Qian b, Le Li a, Yunpeng Huang a, Tianxi Liu a. … csp technology meaningWeb25 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′ … eamonn of the butcher boyWeb24 de set. de 2024 · Hierarchically porous polyimide/Ti 3 C 2 T x film with stable electromagnetic interference shielding after resisting harsh conditions Sci Adv. 2024 Sep 24;7(39):eabj1663. doi: 10.1126/sciadv.abj1663. Epub 2024 Sep 22. Authors Yang ... csp tencentWeb22 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 … csp tennis elbowWebCDI performances of N-doped carbon microspheres with vertically aligned carbon nanosheets prepared from a polyimide by carbonization at 800 °C and activated with KOH for NaCl and ... Graphene–carbon 2D heterostructures with hierarchically-porous P, N-doped layered architecture for capacitive deionization[J]. Chemical Science,2024,12(30 ... eamonn o\u0027hanrahan solicitorWeb29 de abr. de 2024 · In this work, an efficient thermally insulating and flame-retardant silica/polyimide (SiO 2 /PI) nanocomposite aerogel with hierarchically porous … csp template gsaWeb2.2 Synthesis of the fluorinated porous polyimide The fluorinated porous polyimide polymer was synthesized by reacting 6FDA (0.59 g, 1.33 mmol) with TrMPD (0.2 g, 1.33 … csp tenant locations