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Exploring the Applications of Chromatographic Methods in Material Analysis

A special issue of Molecules (ISSN 1420-3049). This special issue belongs to the section "Materials Chemistry".

Deadline for manuscript submissions: 30 September 2025 | Viewed by 1417

Special Issue Editor


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Guest Editor
Faculty of Science and Engineering, Maastricht University, P.O. Box 616, 6200 MD Maastricht, The Netherlands
Interests: physical chemistry; materials: surfaces; interfaces; adhesion; catalysis; modeling; surface energy; thermodynamics

Special Issue Information

Dear Colleagues,

Understanding the surface and interface properties of materials and nanomaterials is of capital importance to predict the behavior of their surfaces when they are in contact with other solid substrates. Inverse gas chromatography (IGC) is the best technique for achieving the determination of the London dispersive surface energy, the free interaction energy of adsorption, and Lewis’s acid–base parameters of solid materials such as polymers, copolymers, oxides, metals, and carbon materials.

It is a powerful technique that allows for the analysis of the surfaces of materials for numerous industrial applications, including polymers, copolymers and their blends, polymer films, cellulose fibers, metals and metal oxides, minerals, clay minerals, silicas, porous materials, carbon nanotubes (CNTs), metal organic frame (MOF) materials, carbon fibers, nanomaterials, food products, pharmaceuticals, fuel cells, petroleum residues, resins, abrasive products, and surfactants.

The application of new chromatographic methods and models will constitute an advanced route to better quantify the thermodynamic surface properties of materials. The effect of the temperature on the transition phenomena in polymers and the recovery fraction of adsorption of polymers on other materials can be highlighted using the IGC technique at finite or infinite concentrations. Other surface techniques such as BET adsorption, DRX, NMR, FTIR, and the contact angle technique will be highly significant for further surface characterization of surfaces and interfaces to strengthen the experimental results obtained by means of inverse gas chromatography.

Prof. Dr. Tayssir Hamieh
Guest Editor

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Keywords

  • surface energy
  • adsorption
  • Lewis’s acid–base parameters
  • materials and nanomaterials
  • biomaterials
  • drugs
  • pharmaceuticals
  • carbon fibers
  • oxides
  • metals
  • polymers
  • copolymers
  • composites
  • crystals
  • plasticizers
  • explosives
  • nanoenergetic materials
  • technology
  • thermodynamics

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Published Papers (1 paper)

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Research

20 pages, 5493 KiB  
Article
Exploring the Application of Advanced Chromatographic Methods to Characterize the Surface Physicochemical Properties and Transition Phenomena of Polystyrene-b-poly(4-vinylpyridine)
by Tayssir Hamieh
Molecules 2024, 29(20), 4812; https://doi.org/10.3390/molecules29204812 - 11 Oct 2024
Cited by 1 | Viewed by 1082
Abstract
The linear diblock copolymer polystyrene-b-poly(4-vinylpyridine) (PS-P4VP) is an important copolymer recently used in many applications such as optoelectronics, sensors, catalysis, membranes, energy conversion, energy storage devices, photolithography, and biomedical applications. (1) Background: The surface thermodynamic properties of PS-P4VP copolymers are of [...] Read more.
The linear diblock copolymer polystyrene-b-poly(4-vinylpyridine) (PS-P4VP) is an important copolymer recently used in many applications such as optoelectronics, sensors, catalysis, membranes, energy conversion, energy storage devices, photolithography, and biomedical applications. (1) Background: The surface thermodynamic properties of PS-P4VP copolymers are of great importance in many chemical and industrial processes. (2) Methods: The inverse gas chromatography (IGC) at infinite dilution was used for the experimental determination of the retention volumes of organic solvents adsorbed on copolymer surfaces as a function of temperature. This led to the variations in the free energy of interaction necessary to the evaluation of the London dispersive and polar acid–base surface energies, the polar enthalpy and entropy, the Lewis acid–base constants, and the transition temperatures of the PS-P4VP copolymer. (3) Results: The application of the thermal Hamieh model led to an accurate determination of the London dispersive surface energy of the copolymer that showed non-linear variations versus the temperature, highlighting the presence of two transition temperatures. It was observed that the Lewis acid–base parameters of the copolymer strongly depend on the temperature, and the Lewis base constant of the solid surface was shown to be higher than its acid constant. (4) Conclusions: An important effect of the temperature on the surface thermodynamic properties of PS-P4VP was proven and new surface correlations were determined. Full article
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