Results 161 to 170 of about 34,563 (277)

Copper Nanoparticle‐Based Catalysts Supported on Nanocarbons: Synthesis and Applications in the Hydrogenation of CO2 and Biomass‐Derived Platform Molecules

open access: yesChemCatChem, Volume 18, Issue 11, 15 June 2026.
This review explores the synthesis and catalytic applications of CuNPs/nanocarbon nanocomposites for CO2 hydrogenation to methanol and biomass upgrading, emphasizing support functionalization, deposition methods, and the role of nanocarbons in enhancing stability, selectivity, and sustainability.
Anh Ngoc Thai   +3 more
wiley   +1 more source

Hyper-Cross-Linked Microporous Polymers as Cheap and Efficient Catalysts for the Synthesis of Biodiesel. [PDF]

open access: yesACS Appl Eng Mater
Bezzu CG   +6 more
europepmc   +1 more source

Synthesis, characterization, and performance of x_MoO3/Z‐22 and x_MoO3/MMP catalysts for biodiesel production

open access: yesThe Canadian Journal of Chemical Engineering, Volume 104, Issue 6, Page 2820-2841, June 2026.
Methyl transesterification of soybean oil using heterogeneous catalysts for biodiesel production. Abstract The growing global demand for renewable fuels has driven the search for efficient catalysts in biodiesel production. This study presents the synthesis and characterization of x_MoO3/Z‐22 and x_MoO3/MMP heterogeneous catalysts, and evaluates the ...
André Miranda da Silva   +4 more
wiley   +1 more source

Functionalizing Nucleobases With Boronic Acids and Boronic Acid Esters: Thymine Derivatives and Their Dioxazaborocane Chemistry

open access: yesChemPlusChem, Volume 91, Issue 6, June 2026.
Boronic acid‐substituted thymine derivatives are well established and exhibit a range of biological activities. In contrast, the corresponding boronic acid esters and dioxazaborocane analogs remain largely unexplored. Herein, we report the synthesis and structural characterization of thymine derivatives bearing boronic acid, boronic acid ester, and ...
Tabea Lenz   +2 more
wiley   +1 more source

Multiobjective Optimization of Hydrogen‐Assisted Calophyllum inophyllum Biodiesel Operation in a Compression Ignition Engine

open access: yesEnergy Science &Engineering, Volume 14, Issue 6, Page 2897-2929, June 2026.
Tri‐fuel diesel–Calophyllum inophyllum biodiesel–hydrogen operation was tested over 96 points in a diesel engine. Eight performance and emission metrics feed a preference‐agnostic Bootstrapped Empirical Multiobjective Ranking and Selection methodology, revealing load‐blend‐hydrogen windows that increase efficiency, restrain smoke, and expose NOx trade ...
C. Naga Kumar   +5 more
wiley   +1 more source

Consequences of Monomer Impurities on Network Characteristics and Dynamic Mechanical Behavior of an Eugenol‐Based Covalent Adaptable Network

open access: yesMacromolecular Materials and Engineering, Volume 311, Issue 6, June 2026.
How robust is the dynamic exchange behavior of covalent adaptable networks (CAN) toward monomer impurities? This study simulates the unnoticed incorporation of a monomer impurity into a CAN and determines the consequences for synthesis and network characteristics, focusing especially on the dynamic mechanical behavior at both the micro‐ and macroscale.
Robin Tannert   +2 more
wiley   +1 more source

Metathesis‐Sourced Epoxides in Ring‐Opening Copolymerization: Selective Access to Degradable Polythioesters

open access: yesMacromolecular Rapid Communications, Volume 47, Issue 11, 5 June 2026.
Metathesis‐derived cyclopentene epoxides enable strictly alternating, scrambling‐free ring‐opening copolymerization with phthalic thioanhydride, yielding well‐defined polythioesters with molecular weights up to ∼38 kg/mol. Their performance extends to oxygen‐based anhydrides and selective terpolymerizations. Direct comparisons with all‐oxygen analogues
Niracha Tangyen   +3 more
wiley   +1 more source

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