A Maximization of the Proton Conductivity of Sulfonated Poly(Ether Ether Ketone) with Grafted Segments Containing Multiple, Flexible Propanesulfonic Acid Groups.
Sign Up to like & getrecommendations! Published in 2022 at "Macromolecular rapid communications"
DOI: 10.1002/marc.202200926
Abstract: To enhance the proton conductivity of sulfonated poly(ether ether ketone) (SPEEK), proton-conducting groups are required to be covalently connected to SPEEK and form proton-conducting channels. Herein, SPEEK fully grafted with segments containing multiple, flexible propanesulfonic… read more here.
Keywords: proton conductivity; conductivity sulfonated; acid groups; proton ... See more keywords
Synthesis of gold colloids using polyelectrolytes and macroelectrolytes containing arsonic moieties
Sign Up to like & getrecommendations! Published in 2018 at "Colloid and Polymer Science"
DOI: 10.1007/s00396-018-4309-8
Abstract: The control of size, shape, and stabilization of nanostructures is a grand challenge in the nanotechnology. For this purpose, two polyelectrolytes and two macroelectrolytes were synthesized. Polyelectrolytes with arsonic acid groups were synthetized by chemical… read more here.
Keywords: arsonic acid; colloids using; acid groups; synthesis gold ... See more keywords
Polyelectrolytes based on poly(p-acryloyloxybenzaldehyde) with arsonic acid groups useful in the colloidal synthesis of silver nanoparticles
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Polymer Research"
DOI: 10.1007/s10965-018-1582-7
Abstract: Several methods have been developed for synthesis of Ag nanoparticles. However, Ag nanoparticles are unstable materials, and they tend to agglomerate losing their properties. Polymers are commonly employed for the stabilization of Ag nanoparticles in… read more here.
Keywords: poly acryloyloxybenzaldehyde; arsonic acid; nanoparticles polyelectrolytes; acid groups ... See more keywords
Silica based hybrid organic-inorganic materials for PEMFC application
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Hydrogen Energy"
DOI: 10.1016/j.ijhydene.2020.04.125
Abstract: Abstract It is of key importance to develop membrane assembly electrodes (MEAs) offering high conductivity, thermal stability and suitable performance in the fuel cell. The mesoporous materials functionalized with acid groups are appropriate candidates to… read more here.
Keywords: fuel cell; silica; acid groups; silica based ... See more keywords
Chemical modification of reduced graphene oxide with sulfonic acid groups: Efficient solid acids for acetalization and esterification reactions
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the Taiwan Institute of Chemical Engineers"
DOI: 10.1016/j.jtice.2019.05.020
Abstract: Abstract Surface chemical modification of reduced graphene oxide (rGO) with sulfonic acid groups produced two solid acids for acid-catalyzed reactions. One of the solid acids was prepared by covalent modification of rGO with oleum to… read more here.
Keywords: acid groups; rgo; solid acids; sulfonic acid ... See more keywords
Improvement of Mechanical Properties of Anisotropic Glassy Polystyrene by Introducing Heat-Labile Reversible Bonds
Sign Up to like & getrecommendations! Published in 2019 at "Macromolecules"
DOI: 10.1021/acs.macromol.9b01843
Abstract: Carboxylic acid groups were introduced into polystyrene, and the effect both on melt rheology and on mechanical properties of stretched and quenched anisotropic solids below the glass-transition temperature (Tg) was investigated. First, the facile preparation… read more here.
Keywords: properties anisotropic; rheology; acid groups; mechanical properties ... See more keywords
Anhydrous Proton Transport within Phosphonic Acid Layers in Monodisperse Telechelic Polyethylenes.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.1c08031
Abstract: Polymers bearing phosphonic acid groups have been proposed as anhydrous proton-conducting membranes at elevated operating temperatures for applications in fuel cells. However, the synthesis of phosphonated polymers and the control over the nanostructure of such… read more here.
Keywords: anhydrous proton; acid groups; proton transport; phosphonic acid ... See more keywords
Superior adsorptive removal of anionic dyes by MIL-101 analogues: the effect of free carboxylic acid groups in the pore channels
Sign Up to like & getrecommendations! Published in 2019 at "CrystEngComm"
DOI: 10.1039/c9ce01224a
Abstract: MIL-101-COOH nanoparticles functionalized with free carboxylic acid groups exhibited superior CR, MO, and AC adsorption capacities via their distinctive adsorption mechanisms. read more here.
Keywords: free carboxylic; superior adsorptive; acid groups; carboxylic acid ... See more keywords
Functionalization of Zr@FMA with phosphonic acid groups for efficient separation of Th(iv) from aqueous solutions
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DOI: 10.1039/d4nj03636k
Abstract: A phosphonate-functionalized Zr@FMA material was prepared as an adsorbent for efficient Th(iv) recovery from aqueous solutions. The adsorbent demonstrates a large surface area, enhanced adsorption capacity, and excellent selectivity for Th(iv). read more here.
Keywords: aqueous solutions; fma phosphonic; groups efficient; functionalization fma ... See more keywords
Catalytic application of a bimetallic–organic framework with phosphorus acid groups in the preparation of pyrido[2,3-d]pyrimidines via cooperative vinylogous anomeric-based oxidation
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DOI: 10.1039/d4ra08430f
Abstract: In this work, we prepared a bimetallic–organic framework (bimetallic-MOF) using Fe/Zr as metals. Subsequently, the bimetallic-MOF was functionalized with phosphorus acid groups to serve as a heterogeneous catalyst. The catalyst was characterized using various techniques,… read more here.
Keywords: phosphorus acid; spectroscopy; preparation pyrido; organic framework ... See more keywords
Genetic correlations of mid-infrared-predicted milk fatty acid groups with milk production traits.
Sign Up to like & getrecommendations! Published in 2018 at "Journal of dairy science"
DOI: 10.3168/jds.2017-14089
Abstract: The objective of this research was to estimate the genetic correlations between milk mid-infrared-predicted fatty acid groups and production traits in first-parity Canadian Holsteins. Contents of short-chain, medium-chain, long-chain, saturated, and unsaturated fatty acid groupings… read more here.
Keywords: milk; chain; fatty acid; acid groups ... See more keywords