Ambient Drying Route to Aramid Nanofiber Aerogels with High Mechanical Properties for Low-k Dielectrics

Article Materials Science, Multidisciplinary

Ultralow Dielectric Constant Polyarylene Ether Nitrile/Polyhedral Oligomeric Silsesquioxanes Foams with High Thermal Stabilities and Excellent Mechanical Properties Prepared by Supercritical CO2

Shaozhe Shi et al.

Summary: The PEN/POSS foams exhibit ultralow dielectric constant, lightweight, high thermal stability, and excellent mechanical properties, showing great potential in the application of microelectronic devices.

ADVANCED ENGINEERING MATERIALS (2022)

添加到收藏夹

Article Chemistry, Multidisciplinary

Proton Donor-Regulated Mechanically Robust Aramid Nanofiber Aerogel Membranes for High-Temperature Thermal Insulation

Yinghe Hu et al.

Summary: The study presents a proton donor-regulated assembly strategy to construct asymmetric aramid nanofiber (ANF) aerogel membranes with excellent performance in terms of thermal conductivity, density, porosity, tensile strength, heat resistance, and flame retardancy. Additionally, a blade-scraping process is proposed for continuous and scalable fabrication of the aerogel membranes.

ACS NANO (2022)

添加到收藏夹

Article Materials Science, Multidisciplinary

Synthesis of porous polyimide films with low dielectric constant and excellent mechanical properties by ambient pressure drying

Chengcheng Ding et al.

Summary: This study presents a method to prepare porous polyimide aerogel films through a partial pre-imidization process. These films exhibit superior mechanical properties and lower dielectric constants. The research provides a new approach for the fabrication of porous polyimide aerogel films using ambient pressure drying.

JOURNAL OF MATERIALS SCIENCE (2022)

添加到收藏夹

Article Engineering, Environmental

Preparation of Low-k Poly(dicyclopentadiene) nanocomposites with excellent comprehensive properties by adding larger POSS

Jian Wang et al.

Summary: This study introduces different-sized polyhedral oligomeric silsesquioxanes (POSS) into poly(dicyclopentadiene) (PDCPD) to prepare high-performance low-k nanocomposites. It is found that the k value of PDCPD can be decreased by increasing the content of larger POSSs and altering the POSS size. Meanwhile, the comprehensive properties of PDCPD can be enhanced. These nanocomposites show promise as useful materials for future microelectronic industry.

CHEMICAL ENGINEERING JOURNAL (2022)

添加到收藏夹

Article Chemistry, Multidisciplinary

The Aramid-Coating-on-Aramid Strategy toward Strong, Tough, and Foldable Polymer Aerogel Films

Shixuan Yang et al.

Summary: By using the aramid-coating-on-aramid method, all-aramid aerogel composite films with superior mechanical and thermal properties were successfully fabricated for thermal insulation.

ACS NANO (2022)

添加到收藏夹

Article Polymer Science

Preparation of 4-methyl-1-pentene membranes via non-solvent induced phase separation (NIPS)

Tian-Qi Zhang et al.

Summary: In this study, PMP membranes were prepared via non-solvent induced phase separation method under wide preparation conditions. The effects of non-solvent additive, evaporation temperature, evaporation time, and coagulation temperature on the membrane structure and air permeability were investigated. The results showed that the addition of non-solvent, low temperature evaporation, and extended evaporation time improved the air permeability of the membranes.

EUROPEAN POLYMER JOURNAL (2022)

添加到收藏夹

Article Materials Science, Multidisciplinary

Cross-Linked and Rigid Polyimide Composite Foams with Prominent Fire Resistant, Thermal Insulating, and Wave-Transparent Properties

Jianwei Li et al.

Summary: In this work, cross-linked and rigid polyimide (PI) composite foams with low density, high mechanical strength, thermal stability, fire resistance, ultralow dielectric characteristics, and excellent wave transparency were successfully fabricated, making them attractive candidates for applications in the aviation and aerospace fields.

ACS APPLIED POLYMER MATERIALS (2022)

添加到收藏夹

Article Materials Science, Multidisciplinary

Robust and Flexible Multimaterial Aerogel Fabric Toward Outdoor Passive Heating

Jiawei Wu et al.

Summary: A multimaterial aerogel fabric has been developed to achieve passive personal heating without energy input. The fabric exhibits excellent thermal insulation and stability, and the addition of an Ag layer provides low thermal conductivity and low infrared emissivity, resulting in superior thermal insulating performance.

ADVANCED FIBER MATERIALS (2022)

添加到收藏夹

Article Materials Science, Multidisciplinary

Controllable Strong and Ultralight Aramid Nanofiber-Based Aerogel Fibers for Thermal Insulation Applications

Mengmeng Li et al.

Summary: This study fabricated a series of aramid nanofiber-based aerogel fibers using a wet-spinning method and freeze-drying technique. The resulting fibers had high porosity, good mechanical properties, and high specific surface area. The woven textiles exhibited low thermal conductivity and excellent thermal insulation properties, and surface modification made them hydrophobic.

ADVANCED FIBER MATERIALS (2022)

添加到收藏夹

Article Materials Science, Multidisciplinary

Polyimide Aerogel Fibers with Controllable Porous Microstructure for Super-Thermal Insulation Under Extreme Environments

Tiantian Xue et al.

Summary: Freeze-spinning method was used to fabricate lightweight and super-thermal insulating polyimide (PI) aerogel fibers with reduced pore size, high porosity, improved flexibility and mechanical strength, which can be woven into fabrics. The PI aerogel fabric exhibits low thermal conductivity and excellent thermal insulation in a wide range of temperature, and can be easily functionalized to expand applications.

ADVANCED FIBER MATERIALS (2022)

添加到收藏夹

Article Chemistry, Physical

Lightweight porous silica foams with extreme-low dielectric permittivity and loss for future 6G wireless communication technologies

Petra S. Palvolgyi et al.

Summary: In this study, highly porous and lightweight silica foams with extremely low permittivity and loss factor were synthesized by a template-assisted sol-gel method for applications in next generation wireless communication systems. Micropatterns of electrically conductive metals, such as Ag thin films, were successfully deposited on the smooth surfaces of the foams for radio frequency filter structures.

NANO RESEARCH (2021)

添加到收藏夹

Article Chemistry, Multidisciplinary

Hierarchical Interface Engineering for Advanced Nanocellulosic Hybrid Aerogels with High Compressibility and Multifunctionality

Junyan Zhang et al.

Summary: By introducing an interfacial engineering strategy through freeze-drying-induced wetting and mineralization, the hierarchical porous cellulose network was reinforced to form mineral-coated nanocellulose hybrid aerogels. The resulting cellulose-based hybrid aerogels exhibit lightweight, superior mechanical compressibility, super-hydrophobicity, and moisture stability. This scalable and efficient assembly approach with optimized interfacial features enables high-performance cellulose-based aerogels for various applications.

ADVANCED FUNCTIONAL MATERIALS (2021)

添加到收藏夹

Article Polymer Science

Nanoporous Crystalline Aerogels of Syndiotactic Polystyrene: Polymorphism, Dielectric, Thermal, and Acoustic Properties

Vipin G. Krishnan et al.

Summary: Hierarchically porous crystalline nanoporous aerogels of syndiotactic polystyrene (sPS) with two nanoporous crystalline forms were prepared and showed promising dielectric, thermal, and acoustic properties. The aerogels also exhibited excellent oleophilicity, making them suitable for oil/organic solvent separation experiments.

MACROMOLECULES (2021)

添加到收藏夹

Article Chemistry, Multidisciplinary

Nanoporous Regenerated Cellulose Separator for High-Performance Lithium Ion Batteries Prepared by Nonsolvent-Induced Phase Separation

Yang Wang et al.

Summary: A novel nanoporous regenerated cellulose separator was prepared from common cotton pulp using nonsolvent-induced phase separation, showing excellent physical properties and higher electrochemical performance compared to commercial separators. This provides a feasible choice for high-performance cellulose-based separators.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2021)

添加到收藏夹

Article Chemistry, Physical

Thermally conductive ultra-low-k dielectric layers based on two-dimensional covalent organic frameworks

Austin M. Evans et al.

Summary: The research demonstrates that two-dimensional covalent organic frameworks have high thermal conductivity and low dielectric constant, making them promising for next-generation dielectric layers with tunable combinations of useful properties.

NATURE MATERIALS (2021)

添加到收藏夹

Article Chemistry, Multidisciplinary

Mechanically Strong and Multifunctional Hybrid Hydrogels with Ultrahigh Electrical Conductivity

Qingya Zhou et al.

Summary: Stretchable conductive hydrogels with high mechanical strength and ultrahigh electrical conductivity were successfully fabricated in a sandwich structure, demonstrating excellent mechanical properties and stable electrical conductivity.

ADVANCED FUNCTIONAL MATERIALS (2021)

添加到收藏夹

Article Engineering, Environmental

Super-flexible polyimide nanofiber cross-linked polyimide aerogel membranes for high efficient flexible thermal protection

Xianbo Hou et al.

Summary: The study developed a polyimide (PI) nanofiber cross-linked polyimide aerogel membrane with high flexibility, strong mechanical properties, and efficient heat insulation. Addition of nanofibers significantly enhanced the performance of aerogel, making it a potential material for applications in modern technology, military, and aerospace.

CHEMICAL ENGINEERING JOURNAL (2021)

添加到收藏夹

Article Polymer Science

Preparation of Low-dielectric Permittivity Polyimide Resins with High Surface Activity from Chemically Bonded Hyperbranched Polysiloxane

Xiu-Ting Li et al.

Summary: The addition of HBPSi significantly reduced the dielectric constants of the PI/HBPSi composite resins without compromising their processability and thermal stability. Furthermore, the PI resin containing 10% HBPSi exhibited better fiber bonding ability with higher interfacial shear strength and adhesion strength compared to the neat PI-6 matrix. These composite resins show great potential as low-dielectric constant resin matrix in radar radome.

CHINESE JOURNAL OF POLYMER SCIENCE (2021)

添加到收藏夹

Article Chemistry, Multidisciplinary

Ultrafast, cost-effective and scaled-up recycling of aramid products into aramid nanofibers: mechanism, upcycling, closed-loop recycling

Hui-Jun Chen et al.

Summary: This study introduces a novel method for recycling aramid fibers into aramid nanofibers with a uniform structure, allowing for rapid large-scale production and investigation into the formation mechanism.

GREEN CHEMISTRY (2021)

添加到收藏夹

Article Materials Science, Multidisciplinary

Porous fluorinated polyarylene ether nitrile as ultralow permittivity dielectrics used under humid environment

Lingling Wang et al.

Summary: A series of porous fluorinated polyarylene ether nitrile (FPEN) films with ultralow permittivity and excellent mechanical properties were prepared using a delayed phase inversion approach, showing hydrophobic surface and ultralow dielectric constant. These films also maintained their ultra-low dielectric constant, high flexibility, and foldability even under humid conditions, making them suitable for applications in 5G communication systems.

JOURNAL OF MATERIALS CHEMISTRY C (2021)

添加到收藏夹

Article Engineering, Environmental

Ultralow dielectric constant polyarylene ether nitrile foam with excellent mechanical properties

Lingling Wang et al.

CHEMICAL ENGINEERING JOURNAL (2020)

添加到收藏夹

Article Polymer Science

A Facile Strategy for Non-fluorinated Intrinsic Low-k and Low-loss Dielectric Polymers: Valid Exploitation of Secondary Relaxation Behaviors

Chao Qian et al.

CHINESE JOURNAL OF POLYMER SCIENCE (2020)

添加到收藏夹

Article Chemistry, Multidisciplinary

Multifunctional Aramid Nanofiber/Carbon Nanotube Hybrid Aerogel Films

Peiying Hu et al.

ACS NANO (2020)

添加到收藏夹

Article Chemistry, Multidisciplinary

Ambient-Dried, 3D-Printable and Electrically Conducting Cellulose Nanofiber Aerogels by Inclusion of Functional Polymers

Hugo Francon et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

添加到收藏夹

Article Chemistry, Multidisciplinary

Highly Thermoconductive, Thermostable, and Super-Flexible Film by Engineering 1D Rigid Rod-Like Aramid Nanofiber/2D Boron Nitride Nanosheets

Kai Wu et al.

ADVANCED MATERIALS (2020)

添加到收藏夹

Article Engineering, Multidisciplinary

Mechanically strong and thermally insulating polyimide aerogels by homogeneity reinforcement of electrospun nanofibers

Xingyu Zhao et al.

COMPOSITES PART B-ENGINEERING (2020)

添加到收藏夹

Article Chemistry, Multidisciplinary

Synthesis of a Novel Bio-Oil-Based Hyperbranched Ester Plasticizer and Its Effects on Poly(vinyl chloride) Soft Films

Jie Chen et al.

ACS OMEGA (2020)

添加到收藏夹

Article Nanoscience & Nanotechnology

High Modulus, Thermally Stable, and Self-Extinguishing Aramid Nanofiber Separators

Anish Patel et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

添加到收藏夹

Article Nanoscience & Nanotechnology

Strong, Machinable, and Insulating Chitosan-Urea Aerogels: Toward Ambient Pressure Drying of Biopolymer Aerogel Monoliths

Natalia Guerrero-Alburquerque et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

添加到收藏夹

Article Engineering, Chemical

Aramid nanofiber and modified ZIF-8 constructed porous nanocomposite membrane for organic solvent nanofiltration

Yi Li et al.

JOURNAL OF MEMBRANE SCIENCE (2020)

添加到收藏夹

Article Polymer Science

Structure-property relationship of low dielectric constant polyimide fibers containing fluorine groups

Ziqi Wang et al.

POLYMER (2020)

添加到收藏夹

Article Materials Science, Multidisciplinary

Mechanical Properties of Ultrathin Polymer Nanocomposites

R. Konane Bay et al.

ACS APPLIED POLYMER MATERIALS (2020)

添加到收藏夹

Article Chemistry, Multidisciplinary

Nanofibrous Kevlar Aerogel Threads for Thermal Insulation in Harsh Environments

Zengwei Liu et al.

ACS NANO (2019)

添加到收藏夹

Article Chemistry, Multidisciplinary

From Monomers to a Lasagna-like Aerogel Monolith: An Assembling Strategy for Aramid Nanofibers

Chunjie Xie et al.

ACS NANO (2019)

添加到收藏夹

Article Polymer Science

Facile Strategy for Intrinsic Low-k Dielectric Polymers: Molecular Design Based on Secondary Relaxation Behavior

Chao Qian et al.

MACROMOLECULES (2019)

添加到收藏夹

Article Engineering, Multidisciplinary

Design of bi-modal pore structure polyarylene ether nitrile/SiO2 foams with ultralow-k dielectric and wave transparent properties by supercritical carbon dioxide

Qing Qi et al.

COMPOSITES PART B-ENGINEERING (2019)

添加到收藏夹

Article Polymer Science

Polyethylene/silica nanorod composites with reduced dielectric constant and enhanced mechanical strength

Xuping Yang et al.

JOURNAL OF APPLIED POLYMER SCIENCE (2019)

添加到收藏夹

Article Chemistry, Physical

Low dielectric constant and moisture-resistant polyimide aerogels containing trifluoromethyl pendent groups

Tingting Wu et al.

APPLIED SURFACE SCIENCE (2018)

添加到收藏夹

Article Materials Science, Multidisciplinary

Poly(vinylidene fluoride) foams: a promising low-k dielectric and heat-insulating material

Biao Zhao et al.

JOURNAL OF MATERIALS CHEMISTRY C (2018)

添加到收藏夹

Article Polymer Science

Preparation and characterization of ultralow dielectric and fibrous epoxy thermoset cured with poly(arylene ether ketone) containing phenolic hydroxyl groups

Yurong Zhang et al.

EUROPEAN POLYMER JOURNAL (2018)

添加到收藏夹

Article Chemistry, Physical

Mechanical properties and morphology of polystyrene-co-acrylic acid synthesized as membranes for fuel cells

L. Melo et al.

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY (2017)

添加到收藏夹

Article Engineering, Chemical

Transport and removal of a solvent in porous media in the presence of bitumen, a highly viscous solute

Siddhant Panda et al.

CHEMICAL ENGINEERING SCIENCE (2017)

添加到收藏夹

Article Thermodynamics

Determination of drying kinetics and convective heat transfer coefficients of ginger slices

Ebru Kavak Akpinar et al.

HEAT AND MASS TRANSFER (2016)

添加到收藏夹

Article Engineering, Manufacturing

Aramid fibers reinforced silica aerogel composites with low thermal conductivity and improved mechanical performance

Zhi Li et al.

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING (2016)

添加到收藏夹

Article Polymer Science

Preparation and performance of aramid nanofiber membrane for separator of lithium ion battery

Jinglong Li et al.

JOURNAL OF APPLIED POLYMER SCIENCE (2016)

添加到收藏夹

Article Materials Science, Ceramics

Silica aerogel/aramid pulp composites with improved mechanical and thermal properties

Zhi Li et al.

JOURNAL OF NON-CRYSTALLINE SOLIDS (2016)

添加到收藏夹

Article Materials Science, Textiles

Dielectric properties of paper-based composites at microwave frequency

Yao Sun et al.

TEXTILE RESEARCH JOURNAL (2016)

添加到收藏夹

Article Polymer Science

Molecular Mobility of the High Performance Membrane Polymer PIM-1 as Investigated by Dielectric Spectroscopy

Nora Konnertz et al.

ACS MACRO LETTERS (2016)

添加到收藏夹

Article Nanoscience & Nanotechnology

Syndiotactic Polystyrene/Hybrid Silica Spheres of POSS Siloxane Composites Exhibiting Ultra low Dielectric Constant

Angel Mary Joseph et al.

ACS APPLIED MATERIALS & INTERFACES (2015)

添加到收藏夹

Article Chemistry, Multidisciplinary

Ambient-Dried Cellulose Nanofibril Aerogel Membranes with High Tensile Strength and Their Use for Aerosol Collection and Templates for Transparent, Flexible Devices

Matti S. Toivonen et al.

ADVANCED FUNCTIONAL MATERIALS (2015)

添加到收藏夹

Article Chemistry, Physical

Nanoporous block copolymer films using highly selective solvents and non-solvent extraction

Changhuai Ye et al.

SOFT MATTER (2015)

添加到收藏夹

Article Chemistry, Multidisciplinary

Non-Porous Low-k Dielectric Films Based on a New Structural Amorphous Fluoropolymer

Chao Yuan et al.

ADVANCED MATERIALS (2013)

添加到收藏夹

Review Chemistry, Multidisciplinary

Low Dielectric Constant Materials

Willi Volksen et al.

CHEMICAL REVIEWS (2010)

添加到收藏夹

Article Physics, Applied

Equation for the effective permittivity of particle-filled composites for material design applications

Liisi Jylha et al.

JOURNAL OF PHYSICS D-APPLIED PHYSICS (2007)

添加到收藏夹

Article Chemistry, Physical

Modulus-density scaling behaviour and framework architecture of nanoporous self-assembled silicas

Hongyou Fan et al.

NATURE MATERIALS (2007)

添加到收藏夹

Article Polymer Science

Molecular dynamics of atactic poly(propylene) investigated by broadband dielectric spectroscopy

Khadra Kessairi et al.

MACROMOLECULES (2007)

添加到收藏夹

Ambient Drying Route to Aramid Nanofiber Aerogels with High Mechanical Properties for Low-k Dielectrics

相关参考文献

导出引文

分享论文