Materiales

 

Materiales

Influence of Ageing on Optical, Mechanical, and Thermal Properties of Agricultural Films
04/09/2023 - Plastic films utilized as greenhouse coverings play a vital role in safeguarding plantations from diverse weather conditions like sunlight, rain, hail, and wind. It is essential for these films to...
Cryogenic Mechanical Properties and Stability of Polymer Films for Liquid Oxygen Hoses
16/08/2023 - To select the appropriate polymer thin films for liquid oxygen composite hoses, the liquid oxygen compatibility and the cryogenic mechanical properties of four fluoropolymer films (PCTFE, ETFE, FEP...
Composite Proton-Conducting Membrane with Enhanced Phosphoric Acid Doping of Basic Films Radiochemically Grafted with Binary Vinyl Heterocyclic Monomer Mixtures
- A composite proton conducting membrane (PCM) was prepared by radiation-induced grafting (RIG) of binary mixtures of 4-vinyl pyridine (4-VP) and 1-vinylimidazole (1-VIm) onto...
Experimental Study on Low Carbonization of Green Building Based on New Membrane Structure Solar Sustainable Heat Collection
12/12/2022 - In recent years, energy consumption has continuously been increasing, and the energy consumption proportion in buildings has risen yearly. In order to promote the carbon-neutral goal of carbon...
Essential Design Strength and Unified Strength Condition of ETFE Membrane Material
27/11/2022 - This study proposes essential design strength and unified strength condition for ETFE membrane materials based on the structural state-of-stress theory and formula of strength. Firstly, the tested...
Temperature and Strain Rate Effects on the Uniaxial Tensile Behaviour of ETFE Foils
02/08/2022 - With the first use of ETFE foils in building structures in the 1980s at the Burgers’ Zoo in Arnhem, Netherlands, the implementation of ETFE foils in roof and façade...
ECTFE Membrane Fabrication Using Green Binary Diluents TEGDA/TOTM and Its Performance in Membrane Condenser
- Poly(ethylene-chlorotrifluoroethylene) (ECTFE) membrane is a hydrophobic membrane material that can be used to recover water from high-humidity gases in the membrane condenser (MC) process. In this...
Isothermal and Non-Isothermal Crystallization Kinetics of Poly(Ethylene Chlorotrifluoroethylene)
28/06/2022 - The isothermal (IT) and non-isothermal (NIT) crystallization kinetics, morphology, and structure of poly(ethylene chlorotrifluoroethylene) (ECTFE) were investigated via differential scanning...
Investigation of chemical degradation and water states in the graft?type polymer electrolyte membranes
23/06/2022 - The water states and locations under the effects of temperatures are illustrated in the figure. The constrained water molecules remained at 40°C show the additional contribution to the total water...
Positron annihilation lifetime study of subnano level free volume features of grafted polymer electrolyte membranes for hydrogen fuel cell applications
11/06/2022 - The subnano level free?volume hole features of poly(styrene sulfonic acid) (PSSA) grafted poly(ethylene?co?tetrafluoroethylene) polymer electrolyte membranes (ETFE?PEMs) are investigated using...
Selectivity enhancement of oxidative degraded reverse osmosis membrane by chitosan–tannic acid treatment
25/05/2022 - AbstractThe effect of high?energy radiation in poly(ethylene?co?tetrafluoroethylene) (ETFE) films has been extensively investigated. However, the microstructure and molecular changes of the film...
Optimization of Shingled-Type Lightweight Glass-Free Solar Modules for Building Integrated Photovoltaics
16/05/2022 - High-power and lightweight photovoltaic (PV) modules are suitable for building-integrated photovoltaic (BIPV) systems. Due to the characteristics of the installation sites, the BIPV solar modules are...
Surface Modification of ETFE Membrane and PTFE Membrane by Atmospheric DBD Plasma
- Fluorine resin membranes with excellent chemical resistance have great potential for the application of high-performance chemical protective clothing. However, it is difficult to integrate fluorine...
Aptamer empowered hydrogels: Fabrication and bio?sensing applications
21/04/2022 - Illustration of MMA graft polymerization on ETFE surface using Benzoyl Peroxide and the surface morphologies of the original and grafted ETFE films.AbstractThe surface of a...
Effect of Aging on the Mechanical Properties of Highly Transparent Fluoropolymers for the Conservation of Archaeological Sites
24/02/2022 - In recent years, fluoropolymers have found numerous applications in the architectural field because of their combination of mechanical-chemical resistance and high transparency. In the present work,...
Surface Discharges Performance of ETFE- and PTFE-Insulated Wires for Aircraft Applications
23/02/2022 - Compared to their predecessors, the next generations of aircrafts will be more electrified, require more electrical power and operate at higher voltage levels to meet strict weight and volume...
A numerical investigation of energy-saving potential of inner solarshade film: A case study of the National Aquatics Center, China
- Transparent or semitransparent roof structures of sports venues have attracted much architect's attention, but the energy consumption of these buildings must be considered as a crucial aspect...
Preparation of ECTFE Porous Membrane for Dehumidification of Gaseous Streams through Membrane Condenser
- Due to the good hydrophobicity and chemical resistance of poly(ethylene trifluoroethylene) (ECTFE), it has been an attractive potential material for microfiltration, membrane distillation and more....
Building Simulation to be published monthly from 2022
01/01/2022 - Abstract Switchable multi-layer ethylene tetra-fluoro-ethylene (ETFE) cushion controls the natural light and heat flux passing through the cushion with varying outdoor...
Efficient mineralization of ethylene-tetrafluoroethylene copolymer in superheated water with permanganate
01/08/2021 - Copolymer of ethylene and tetrafluoroethylene (ETFE) was treated in superheated water with KMnO4. ETFE efficiently decomposed to F– and CO2. Specifically, when ETFE (30 mg) was treated for 6 h...