Advances in Interactions of Polymers in Emulsion Systems

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Chemical Processes and Systems".

Deadline for manuscript submissions: 10 August 2025 | Viewed by 982

Special Issue Editors


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Guest Editor
Department of Pharmaceutical Engineering, Faculty of Technology Novi Sad, University of Novi Sad, 21000 Novi Sad, Serbia
Interests: polymer–surfactant interactions; emulsions; microencapsulation; biopolymer films

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Guest Editor
Department of Pharmaceutical Technology and Cosmetology, Faculty of Pharmacy, University of Belgrade, Vojvode Stepe 450, 11221 Belgrade, Serbia
Interests: microencapsulation; nanoencapsulation; polymer-based drug delivery systems; formulation development; controlled drug delivery; nanotechnology; lipid-based drug delivery systems
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Guest Editor
Department of Pharmaceutical Engineering, Faculty of Technology Novi Sad, University of Novi Sad, 21000 Novi Sad, Serbia
Interests: applied colloid chemistry; polymer–surfactant interactions; surfactants; emulsions; microencapsulation

Special Issue Information

Dear Colleagues,

Emulsions are thermodynamically metastable systems, and therefore, the main challenge for emulsion production is to control the system’s stability, as well as to provide protection against destabilization. The field of polymer interactions has attracted a lot of attention both from theoretical and practical points of view. Under specific conditions (such as the polymer-to-polymer ratio, pH, ionic strength, temperature, and mixing processes), it has been stated that polymer–polymer or polymer–surfactant complexes may form with enhanced functional properties in comparison to the polymer and surfactant alone. Therefore, the effects of polymer interactions are useful in practice to achieve emulsification. Although the subject has been studied over several decades, limited knowledge on the application of polymer/surfactant or polymer/polymer mixtures in the chemical, food, and pharmaceutical industries determines the need for further extensive research. There is growing interest in better understanding and reviewing the properties of different polymer–polymer pairs with particular attention to the capability of their mixtures to emulsify. Natural polymers have advantages over synthetic polymers in terms of safety, biodegradability, and biocompatibility and, as such, are considered to be the preferred materials used for emulsion-type products in the pharmaceutical, cosmetic, and food industries.

This Special Issue, “Advances in Interactions of Polymers in Emulsion Systems”, aims to highlight the current progress in polymer interactions (for polymer–polymer or polymer–surfactant complexes) in emulsion systems. Preference will be given to non-toxic, biodegradable polymers that, when applied to any field in the industry, can enhance and preserve production. We welcome original research articles and reviews for submission. Topics include, but are not limited to, the following:

  • Current trends in the application of polymers in emulsion systems;
  • Emulsion systems stabilized by polymers for cosmetic, pharmaceutical, and food applications;
  • Interfacial properties of polymer–polymer and polymer–surfactant interactions in the liquid system;
  • The interaction of plant biopolymers in emulsions;
  • The interaction of animal biopolymers in emulsions.

We look forward to receiving your contributions.

Dr. Jelena Milinković Budinčić
Prof. Dr. Ljiljana Đekić
Prof. Dr. Lidija B. Petrović
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Processes is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • polymer–surfactant interactions
  • polymer–polymer interactions
  • emulsions
  • adsorption on the interface
  • polymers
  • biopolymers
  • disperse systems
  • interfacial properties

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Published Papers (1 paper)

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Research

30 pages, 4026 KiB  
Article
Film-Forming Microemulsions with Essential Oils: Elucidating Relationships Between Formulation Parameters, Thermodynamic Stability, and Quality Attributes
by Ljiljana Đekić, Ana Ćirić, Sandra Milinković, Jelena Milinković Budinčić, Jadranka Fraj and Lidija Petrović
Processes 2025, 13(4), 990; https://doi.org/10.3390/pr13040990 - 26 Mar 2025
Viewed by 364
Abstract
The incorporation of essential oils into the oil phase of oil-in-water microemulsions is an emerging strategy for the development of stable water-based topical formulations. The introduction of a suitable polymer to formulate film-forming microemulsions may improve topical administration; however, the effect of formulation [...] Read more.
The incorporation of essential oils into the oil phase of oil-in-water microemulsions is an emerging strategy for the development of stable water-based topical formulations. The introduction of a suitable polymer to formulate film-forming microemulsions may improve topical administration; however, the effect of formulation variables on film quality attributes has not been studied. In this study, thermodynamically stable microemulsion concentrates consisting of surfactant (Kolliphor® RH40), alone or in combination with cosurfactant Transcutol® at surfactant-to-cosurfactant mass ratio 7:3, cosolvent (propylene glycol), and synthetic oils (medium-chain triglycerides or isopropyl myristate) with tea tree, cinnamon, or thyme essential oil were formulated and diluted with hypromellose solution in a water/isopropanol mixture (1:1 w/w) to produce film-forming microemulsions. The type and concentration of synthetic and essential oils and cosurfactant influenced the dynamics of structural transformations upon dilution as well as the rheological behavior, viscosity, and pH of film-forming microemulsions. Films obtained by casting film-forming microemulsions were opalescent, smooth, flexible, and swellable in artificial sweat and water. The weight and yield of films increase with the synthetic oils present and without cosurfactant added. Optimizing the ratio of essential oil/synthetic oil, the type of synthetic oil, and the inclusion/exclusion of cosurfactant allows for achieving the targeted film attributes for cosmetic and pharmaceutical applications, including wound treatment. Full article
(This article belongs to the Special Issue Advances in Interactions of Polymers in Emulsion Systems)
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