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Gels
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Hydrogel for Environmental Application
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Hydrogel for Environmental Application

A special issue of Gels (ISSN 2310-2861). This special issue belongs to the section "Gel Applications".

Deadline for manuscript submissions: closed (31 October 2023) | Viewed by 4301

Special Issue Editors

Dr. Sawsan Dacrory

E-Mail Website
Guest Editor
Cellulose and Paper Department, National Research Center, Cairo 12622, Egypt
Interests: biopolymer; hydrogel; composite; agriculture waste; thin film
Dr. Mohamed S. Hasanin

E-Mail Website
Guest Editor
Cellulose and Paper Department, National Research Centre, Cairo 12622, Egypt
Interests: material science; biotechnology; antimicrobial activity; biopolymers
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

I am pleased to invite you to participate in this Special Issue, “Hydrogel for Environmental Application”, by submitting an original paper, review, or short communication. The deadline for submissions is 30 September 2023. The journal covers all areas of hydrogel-based biopolymers. Authors are free to choose the topic of their interest. We are excited to work with multidisciplinary polymer science to highlight the best and most exciting work in biopolymer materials and new applications. Of particular interest, this Special Issue aims to engage with a wide spectrum of research integrated with an environmental issue. Indeed, articles involving green, eco-friendly processes and/or materials are welcome. Environmental science as well as environmental strategies including the synthesis of hydrogel-based biological processes and biological extract (plant and microbial) are welcome in this Special Issue. Additionally, nanocomposite-based biopolymers and biopolymers modified with green nanomaterial are also welcome. As the most key feature, this Special Issue aims to highlight the importance of the environmental materials described as green and ecofriendly. Interestingly, these materials are described as having unique features that are summarized as biodegradable, biocompatible, low toxic, and have other excellent biological activities. Finally, the presented Special Issue will be offered an excellent collection of unique original articles and review articles that report on hydrogel biopolymers and nanomaterials for environmental applications.

Dr. Sawsan Dacrory
Dr. Mohamed Sayed Hasanin
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. Gels 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 2100 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

  • biopolymers
  • nanomaterials
  • biotechnology
  • material science

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Published Papers (1 paper)

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Research

14 pages, 4265 KiB  
Article
Novel Environmentally Responsive Polyvinyl Polyamine Hydrogels Capable of Phase Transformation with Temperature for Applications in Reservoir Profile Control
by Jianxun Meng, Guoliang Mao, Zhixuan Zhu, Qingsong Li, Xuesong Lin, Lichao Wang, Yiran Li and Yue Huang
Gels 2023, 9(12), 950; https://doi.org/10.3390/gels9120950 - 4 Dec 2023
Viewed by 3841
Abstract
Hydrogel has been widely used in reservoir regulation for enhancing oil recovery, however, this process can experience negative influences on the properties and effects of the hydrogels. Therefore, developing novel hydrogels with excellent environmental responsiveness would improve the formation adaptability of hydrogels. In [...] Read more.
Hydrogel has been widely used in reservoir regulation for enhancing oil recovery, however, this process can experience negative influences on the properties and effects of the hydrogels. Therefore, developing novel hydrogels with excellent environmental responsiveness would improve the formation adaptability of hydrogels. In this study, novel polyvinyl polyamine hydrogels were synthesized by a ring-opening addition reaction between polyvinyl polyamines and polyethylene glycol glycidyl ether. The results of atomic force microscopy and transmission electron microscopy showed that the polyvinyl polyamine gel had a porous and irregular bulk structure and was endowed with water storage. With the temperature rising from 30 °C to 60 °C, the transmittance of diethylenetriamine hydrogel decreased from 84.3% to 18.8%, indicating that a phase transition had occurred. After the polyvinyl polyamine hydrogel with low initial viscosity was injected into the formation in the liquid phase, the increase of the reservoir temperature caused it to turn into an elastomer, thereby migrating to the depth of the reservoir and achieving effective plugging. Polyvinyl polyamine hydrogel could improve the profile of heterogeneous layers significantly by forcing subsequent fluids into the low permeability zone in the form of elastomers in the medium temperature reservoirs of 40–60 °C. The novel environmentally responsive polyvinyl polyamine hydrogels, capable of phase transformation with temperature, exhibited superior performance in recovering residual oil, which was beneficial for applications in reservoir profile control and oilfield development. Full article
(This article belongs to the Special Issue Hydrogel for Environmental Application)
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