Results 101 to 110 of about 14,179 (307)

Unraveling Lignin's Color Puzzle: From Chromophore Origins to Advanced Decolorization Strategies

Aggregate, Volume 7, Issue 1, January 2026.
This review provides a comprehensive systematic analysis of the research advancements in lignin color formation mechanisms and decolorization techniques, specifically focusing on three principal approaches: hydroxyl shielding, biomass fractionation, and physical methods. It highlights the systematic research approach of the review toward decolorization
Lizhen Huang, Zhuotong Wu, Li Shuai
wiley   +1 more source

Electrospun amphiphilic sulfonated poly(ether-ether-ketone) (SPEEK) membranes for thin-layer crude oil spill cleanup

Advanced Membranes
Oil spills and the release of oily wastewater have caused serious damage to the environment and human health. Effective removal of oil spills and separation of oil/water mixtures have become a crucial step before they enter the environment and reveal ...
Fuat Topuz, Zainah A. AlDhawi, Mahmoud A. Abdulhamid   +2 more
doaj   +1 more source

Inter-matrix synthesis of polymer stabilised metal nanoparticles for sensor applications [PDF]

, 2005
Les partícules metàl·liques de mida nanomètrica o Metal NanoParticles (MNP) són objecte de gran interès en la recerca química actual a causa de les seves especials propietats elèctriques, magnètiques i òptiques, entre d'altres, que són diferents de les ...
Muraviev, Dimitri N.
core  

Salt Precipitation in Zero‐Gap CO2 Membrane Electrode Assemblies: Strategies for Long‐Term Operation

ChemElectroChem, Volume 13, Issue 2, January 2026.
Salt precipitation limits the durability of CO2 electrolyzers. This concept summarizes the mechanisms and mitigation strategies across materials, membranes, and operation design, and highlights the emerging role of acidic membrane electrode assemblies for stable long‐term CO2 electrolysis.
Ziling Zhang, Quang Thien Luong, Yihao Shan, Xiaoxuan Luo, Zhipeng Ma, Rose Amal, Rahman Daiyan   +6 more
wiley   +1 more source

Obtenção e caracterização de membranas híbridas Speek/silano para utilização em células a Combustível [PDF]

, 2005
TCC (graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Físicas e Matemáticas. Curso de Química.A célula a combustível é um dispositivo que converte energia química proveniente da oxidação do combustível em energia elétrica gerando ...
CONCEIÇÃO, Thiago Ferreira da
core  

Short Side‐Chain Perfluorosulfonic Acid Aquivion: From Production to Application

Macromolecular Materials and Engineering, Volume 311, Issue 1, January 2026.
This review presents the latest findings on the polymerization mechanism of the short side‐chain perfluorosulfonic acid (PFSA) Aquivion. Then, the state‐of‐the‐art of its applications is reported, spanning from proton and anion exchange membrane fuel cells and water electrolyzers to natural gas sweetening to heterogeneous catalysis for chemical ...
Samuele Delfino, Davide Carlo Villa, Alice Giannetti, Daniela Valeria Tomasino, Claudio Oldani, Giuseppe Storti, Mattia Sponchioni   +6 more
wiley   +1 more source

Produção de membranas híbridas zirconizadas de SPEEK/Copolissilsesquioxano para aplicação em células a combustível do tipo PEM Production of Zirconized SPEEK/Copolysilsesquioxane hybrid membranes for application in Proton Exchange Membrane fuel cells

Polímeros, 2012
Membranas baseadas em poli(aril éter cetona) sulfonada mostraram ser bastante promissoras para aplicação em células a combustível com membrana trocadora de prótons (PEMFC).
Kelen R. Aguiar, Guilherme P. Batalha, Mariana Peixoto, Airton Ramos, Sérgio H. Pezzin   +4 more
doaj   +3 more sources

Estudo das propriedades térmicas de filmes poliméricos compostos de Speek, derivados do benzoimidazol e ácido fosfotúngstico Thermal properties of Speek-based polymeric films containing benzimidazole derivatives and fosfotungstic acid

Polímeros, 2008
Filmes poliméricos foram desenvolvidos a partir de poli (éter éter cetona) sulfonado (SPEEK), derivados do benzoimidazol e ácido fosfotúngstico (HPW). Neste trabalho foi realizado um estudo utilizando a análise termogravimétrica com o objetivo de avaliar
Fabrício Celso, Raquel S. Mauler, Ailton S. Gomes   +2 more
doaj   +1 more source

Spectroscopic and Structural Investigation of Multi-Wall Carbon Nanotubes Functionalized by Sulfonated Poly(ether-ether-ketone) Chains

, 2021
Moulay‐Rachid Babaa, Alina Terechshenko, J.-L. Bantignies, Zhumabay Bakenov   +3 more
openalex   +2 more sources

Layer-by-layer surface modification of poly(ether sulfone) membranes using polyelectrolytes and AgCl/TiO2 xerogels [PDF]

, 2015
In this study, the layer-by-layer (LbL) assembly method was employed to modify a commercial polyethersulfone (PES) membrane by successive adsorption of chitosan and alginate as cationic and anionic polyelectrolytes.
Akhavan, Ba, Ba, Ba, Balamurugan, Boerlage, Bohmer, Bowen, Cooper, Cooper, Daniel J. Johnson, Dankovich, de Grooth, Decher, Denuziere, Diagne, Dobmeier, Elimelech, Erol Seker, Guillen-Burrieza, Gupta, Hashino, Hilal, Hodges, Ishigami, Kang, Kawashita, Kochkodan, Kochkodan, Kouwonou, Lajimi, Loher, Lvov, Malaisamy, Mauter, Mello, Nidal Hilal, Papatya Kaner, Qi, Rabea, Rabinovich, Rana, Rinaudo, Rogers, Sacide Alsoy Altinkaya, Suzuki, Tiraferri, Tuncer, Van der Schee, Vrijenhoek, Wang, Yang, Yang, Zhou, Zodrow   +54 more
core   +1 more source