Articles with "aromatic polymer" as a keyword



Ullmann coupling of aryl chlorides in water catalyzed by palladium nanoparticles supported on amine-grafted porous aromatic polymer

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Published in 2017 at "Molecular Catalysis"

DOI: 10.1016/j.mcat.2017.05.003

Abstract: Abstract A chemically stable porous carbonyl-incorporated aromatic polymer (CBAP-1(EDA)) was post-synthetically functionalized with ethylenediamine, and used as a solid support to immobilize the Pd nanoparticles (Pd@CBAP-1(EDA)) with particle size of 2–4 nm using conventional chemical reduction.… read more here.

Keywords: chlorides water; aromatic polymer; coupling aryl; spectroscopy ... See more keywords

A twisted imidazole-tethered aromatic polymer for high-performance membranes in vanadium-based redox flow batteries.

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Published in 2025 at "Chemical communications"

DOI: 10.1039/d5cc01088h

Abstract: We report on a twisted aromatic polymer, the first xanthene-based example bearing protonated imidazole groups. Its special architecture enables superior ion selectivity, conductivity, and chemical stability, providing excellent performance in both all-vanadium and iron-vanadium redox… read more here.

Keywords: aromatic polymer; vanadium; flow batteries; performance ... See more keywords

Determination of Volatiles in Rosa Rugosa by Knitting Aromatic Polymer – Polydopamine (KAP@PDA) Solid-Phase Microextraction (SPME) and Multidimensional Gas Chromatography – Mass Spectrometry (MDGC-MS)

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Published in 2021 at "Analytical Letters"

DOI: 10.1080/00032719.2021.1922433

Abstract: Abstract The volatile compounds in Rosa rugosa ‘Zi Zhi’, R. rugosa ‘Feng Hua’, and R. cv ‘Crimson Glory’ from three regions were determined by two-dimensional gas chromatography with quadrupole time-of-flight mass spectrometry coupled with knitting… read more here.

Keywords: knitting aromatic; aromatic polymer; mass spectrometry; polymer polydopamine ... See more keywords

Nickel–Tungsten and Nickel–Molybdenum Sulfide Diesel Hydrocarbon Hydrogenation Catalysts Synthesized in Pores of Aromatic Polymer Materials

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Published in 2019 at "Petroleum Chemistry"

DOI: 10.1134/s0965544119060069

Abstract: Porous aromatic polymer materials based on tetraphenylmethane molecules linked by methylene groups have been synthesized. By impregnating these materials with nickel–tungsten and nickel–molybdenum thiosalts, catalysts for the hydrogenation of bicyclic aromatic hydrocarbons of the diesel… read more here.

Keywords: nickel molybdenum; nickel tungsten; aromatic polymer; tungsten nickel ... See more keywords
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Preparation and Application of Aromatic Polymer Proton Exchange Membrane with Low-Sulfonation Degree

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Published in 2020 at "International Journal of Chemical Engineering"

DOI: 10.1155/2020/8834471

Abstract: 4,4′-Dichlorodiphenylsulfone-3,3′-disulfonic acid (disodium) salt and 4,4′-difluorodiphenylsulfone were used as sulfonated monomer. 4,4′-Fluorophenyl sulfones were used as the nonsulfonated monomer. 4,4′-Dihydroxy diphenyl ether or 4,4′-thiodibenzenethiol was used as the comonomer. The sulfonated poly (aryl ether sulfone)… read more here.

Keywords: proton exchange; aromatic polymer; polymer proton; exchange ... See more keywords