Results 31 to 40 of about 1,521 (129)

Recent advances in polymeric chemically amplified positive resists: Materials and design strategies

Smart Molecules, EarlyView.
This review summarizes recent advances in the molecular design of positive chemically amplified resists, focusing on photoacid generators and polymer architectures. Key strategies for enhancing sensitivity—including self‐amplification effects, copolymerization of sensitive monomers, controlled polymerization, and photosensitized chemically amplified ...
Litao Zhou, Haoyuan Li, Jianhua Zhang, Hanshen Xin   +3 more
wiley   +1 more source

Determination of the Adsorption Equilibrium of Alcohols and Alkenes on a Sulphonated Styrene–Divinylbenzene Copolymer

Adsorption Science & Technology, 2006
The adsorption equilibrium constants of the alcohols: methanol, ethanol and propan-1-ol, and of the alkenes: 2-methylpropene, 2-methylbut-1-ene, 2-methylbut-2-ene, 2-methylpent-1-ene, 2-methylpent-2-ene and 2-methylhex-2-ene, onto the sulphonated styrene–
Piotr M. Słomkiewicz
doaj   +1 more source

Esterification of Glycerol With Oleic Acid Over Hydrophobic Zirconia-Silica Acid Catalyst and Commercial Acid Catalyst: Optimization and Influence of Catalyst Acidity

Frontiers in Chemistry, 2019
Catalytic esterification of glycerol with oleic acid (OA) was optimized over hydrophobic mesoporous zirconia-silica heterogeneous acid catalyst (ZrO2-SiO2-Me&Et-PhSO3H) and benchmarked with commercial catalysts (Aquivion and Amberlyst 15) in order to
Pei San Kong, Yolande Pérès, Wan Mohd Ashri Wan Daud, Patrick Cognet, Mohamed Kheireddine Aroua, Mohamed Kheireddine Aroua   +5 more
doaj   +1 more source

Glycerol Electrocatalytic Reduction Using an Activated Carbon Composite Electrode: Understanding the Reaction Mechanisms and an Optimization Study

Frontiers in Chemistry, 2022
The conversion of biomass-derived glycerol into valuable products is an alternative strategy for alleviating energy scarcity and environmental issues. The authors recently uncovered an activated carbon composite electrode with an Amberlyst-15 mediator ...
Siti Aqilah Nadhirah Md. Rahim, Ching Shya Lee, Mohamed Kheireddine Aroua, Mohamed Kheireddine Aroua, Mohamed Kheireddine Aroua, Wan Mohd Ashri Wan Daud, Faisal Abnisa, Patrick Cognet, Yolande Pérès   +8 more
doaj   +1 more source

Synthesis of a Pyrrolo[1,2-a]quinazoline-1,5-dione Derivative by Mechanochemical Double Cyclocondensation Cascade

Molecules, 2022
N-heterocyclic compounds, such as quinazolinone derivatives, have significant biological activities. Nowadays, as the demand for environmentally benign, sustainable processes increases, the application of compounds from renewable sources, easily ...
Vanessza Judit Kolcsár, György Szőllősi   +1 more
doaj   +1 more source

Sustainable levulinic acid production from inulin via hydrothermal conversion

Biofuels, Bioproducts and Biorefining, Volume 20, Issue 5, Page 2068-2081, September/October 2026.
Abstract This study investigates the hydrothermal conversion of inulin using potassium pyrosulfate to levulinic acid (LA). The Box–Behnken design approach was applied to optimize the conversion parameters and analyze the interactions influencing LA yield.
Gwi‐Taek Jeong
wiley   +1 more source

Solvent-free dehydration, cyclization, and hydrogenation of linalool with a dual heterogeneous catalyst system to generate a high-performance sustainable aviation fuel

Communications Chemistry, 2022
Sustainable aviation fuels offer the opportunity to both reduce CO2 emissions and produce fuels with superior properties to conventional petroleum-based fuels.
C. Luke Keller, Karan R. Doppalapudi, Josanne-Dee Woodroffe, Benjamin G. Harvey   +3 more
doaj   +1 more source

Efficient One‐Pot Synthesis of 1,2,4,5‐Tetrasubstituted Imidazoles Using GO@SiO2@[(CH2)3Im][Cl] as a Novel Nanocomposite Under MW Irradiation

ChemistryOpen, Volume 15, Issue 9, September 2026.
This study presents the development of a novel nanocomposite catalyst, GO@SiO2@[(CH2)3Im][Cl], for the efficient one‐pot synthesis of 1,2,4,5‐tetrasubstituted imidazoles under environmentally benign conditions. The catalyst design incorporates graphene oxide, silica, and an imidazolium‐functionalized layer, creating a unique catalytic environment for ...
Mohamed Abu Shuheil, Afaq Mahdi Ali, Mekkanti Manasa Rekha, Subhashree Ray, Talal Aziz Qassem, T. Krithiga, Renu Sharma, Prakhar Tomar, Reza Mohammadi   +8 more
wiley   +1 more source

Efficient One‐Pot Synthesis of Dibenzoxanthenes Using a Vinylimidazolium‐Based Brønsted Acidic Ionic Liquid [VSBIM][Cl]: In Silico Evaluation of Drug‐Likeness, ADMET Properties, PASS Analysis, Antiviral Activity Prediction, and Molecular Docking Studies

ChemistryOpen, Volume 15, Issue 8, August 2026.
An efficient and solvent‐free sustainable one‐pot protocol is developed for the synthesis of broad range of dibenzoxanthenes using 5 mol% Bronsted acidic ionic liquid [VSBIM][Cl]. The versatility of the methodology was demonstrated by the effective synthesis of 19 dibenzoxanthene derivatives up to 90%–95% yields.
Talamarlla Deepthi, Barnali Maiti
wiley   +1 more source

Resinas sulfônicas: síntese, caracterização e avaliação em reações de alquilação [PDF]

Polímeros, 2003
Três resinas catiônicas (Amberlyst 15, Lewatit SPC 112, ambas comerciais e MLS 07, sintetizada em laboratório) foram utilizadas como catalisadores em reação de alquilação.
Fernanda M.B. Coutinho, Maria Luz Aponte, Celina C. R. Barbosa, Valéria G. Costa, Elizabeth R. Lachter, David Tabak   +5 more
doaj