搜索结果: 1-15 共查到“工学 Carbon”相关记录410条 . 查询时间(0.136 秒)
Enhanced performance of rosin-based epoxy composites mixed with carbon nanotubes and cork powders from oriental oak bark
Rosin Epoxy resin Carbon nanotubes Cork powders Thermal properties Mechanical properties
2024/1/12
Rosin-based epoxy composites with high-impact toughness, tensile strength, modulus, and excellent flame retardance were prepared through a simple and effective approach. In this study, rosin-based epo...
Recent advances in carbon-based nanomaterials for?flame retardant?polymers and composites
Graphene Polymer Flame retardant Nanocomposite carbon nanomaterials Flammability
2023/12/18
An urgent need is to reduce the?flammability?of polymers and manage their toxic thermal?decomposition?products. Although conventional halogenated, metallic and phosphorus-based?flame retardants?(FRs) ...
Thermal Degradation Behavior of Epoxy Resin Containing Modified Carbon Nanotubes
epoxy resin carbon nanotubes silicone thermal degradation flame retardancy activation energy
2023/12/1
Via the surface-grafting of carbon nanotubes (CNTs) with a silicon-containing flame retardant (PMDA), a novel flame retardant CNTs-PMDA was synthesized. The flame retardancy was tested by cone calorim...
Bio-based epoxy vitrimer for recyclable and carbon fiber reinforced materials: Synthesis and structure-property relationship
Vitrimer Epoxy-acid-anhydride system CFRMs Degradable Recycling
2023/11/30
Recycling or degradation of epoxy resins is difficult because of their covalent cross-linking structures, which causes resource crisis, environmental pollution, and resource waste. To address this cha...
Mechanical properties of carbon nanotubes/epoxy nanocomposites: Pre-curing, curing temperature, and cooling rate
Carbon nanotubes curing epoxy mechanical properties nanocomposites polymer nanocomposites
2023/11/30
The effects of composite fabrication, such as pre-curing, curing temperature, and cooling rate, were studied. In this work, the pre-curing was defined as heat treatment of Multi-Walled Carbon Nanotube...
Carbon fiber-reinforced epoxy composite properties improvement by incorporation of polydopamine sizing at fiber-matrix interface
CF EP composites Interface polydopamine sizing
2023/11/16
To gain better interfacial and mechanical performances of carbon fiber-reinforced epoxy resin (CF/EP) composites, the surface modification of CF was carried out via a simple mild method. The polydopam...
Deterioration mechanism of hydrothermal aging on the properties of carbon fiber/epoxy composites in various media
Hydrothermal aging resin composite degradation mechanical property
2023/11/16
This study examined the hydrothermal aging mechanism of carbon fiber reinforced epoxy resin (CF/EP) composites in acidic, alkaline, salt solution, and deionized water (marked as Ac-CF/EP, Al-CF/EP, Sa...
Fe3O4 quantum dots embedded in porous carbon microspheres for long-life lithium-ion batteries
Ions Iron oxides Magnetite Micelles Microspheres
2023/6/21
We report here Fe 3 O 4 quantum dots embedded Fe 3 O 4 @C electrode materials via a facile micelle-colloid template method for pushing forward the Li-ion battery technology. To improve uniform dispers...
Uniform Pd0.33Ir0.67 nanoparticles supported on nitrogen-doped carbon with remarkable activity toward the alkaline hydrogen oxidation reaction
Alkalinity Anodes Binary alloys Carbon Cyclic voltammetry Density functional theory
2023/6/21
Highly efficient non-Pt electrocatalysts for the alkaline hydrogen oxidation reaction (HOR) are required to enable complete replacement of Pt in hydroxide exchange membrane fuel cells (HEMFCs). Herein...
Molecular simulation and optimization on the microporous structure in carbon molecular sieve membrane for CO2/CH4 separation
Carbon molecular sieve membrane Gas separation Molecular simulation Pore size Structure optimization
2023/6/19
Zigzag-type pore model with a modified structure was proposed to evaluate the effect of micropore structure on the gas separation performance of carbon molecular sieve membranes (CMSM). Molecular simu...
Surface Charge-Driven Nanoengineering of Monodisperse Carbon Nanospheres with Tunable Surface Roughness
carbon nanospheres interfacial assembly surface charge surface roughness water dispersity
2023/6/19
Direct pyrolysis of polymer nanospheres usually leads to severe particle aggregation, uncontrolled surface morphology, and poor solvent dispersibility of the carbonaceous analogues. The successful man...
Low-cost electrochemical filtration carbon membrane prepared from coal via self-bonding
Electrochemical filtration carbon membrane Caking coal Self-bonding Organic pollutants Oxidation mechanism
2023/6/19
Electrochemical filtration membranes are highly effective for wastewater treatment. However, their relatively high production cost may limit their large-scale production and industrial application. In...
Despite the many advantages of concrete as a modern construction material, including its high strength, low cost, and ease of manufacture, its production currently accounts for approximately 8 percent...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Ageing Society in Developed Countries Challenges Carbon Mitigation
发达国家 老龄化社会 碳减排
2023/4/18
Populations in developed countries are ageing. However, the impact of senior citizens' consumption on global carbon mitigation is poorly understood. Here we find that senior citizens have played a lea...
郭新闻论文成果：Defect-Enriched N,O-Codoped Nanodiamond/Carbon Nanotube Catalysts for Styrene Production via Dehydrogenation of Ethylbenzene
nanodiamond/carbon nanotube hybrid nitrogen and oxygen codoping structural defect direct dehydrogenation styrene production
2023/3/6
Owing to the unique structure and enriched surface ketonic carbonyl group, nanodiamond (ND) shows excellent catalytic performance for dehydrogenation reaction. However, the agglomeration of predispers...