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Polymers
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Eco-Friendly Polymer Composites for Green Packaging
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Eco-Friendly Polymer Composites for Green Packaging

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Composites and Nanocomposites".

Deadline for manuscript submissions: closed (20 October 2023) | Viewed by 4879

Special Issue Editors

Dr. Jie Cai

E-Mail Website
Guest Editor
Key Laboratory for Deep Processing of Major Grain and Oil, Ministry of Education/National R&D Center for Se-Rich Agricultural Products Processing, Wuhan Polytechnic University, Wuhan, China
Interests: carbohydrate; food materials; food nanotechnology; electrospinning; food packaging; delivery of nutraceuticals
Special Issues, Collections and Topics in MDPI journals
Dr. Lei Chen

E-Mail Website
Guest Editor
Key Laboratory for Deep Processing of Major Grain and Oil, Ministry of Education, Hubei Key Laboratory for Processing and Transformation of Agricultural Products, Wuhan Polytechnic University, Wuhan 430023, China
Interests: carbohydrate; starch-based food materials; food nanotechnology; food chemistry
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Packaging plays an important role in protecting products as they go from the manufacturer to the consumer. So, the packaging industry is steadily growing but still faces many challenges. Consumer awareness toward environmental issues, in particular, has imposed the necessity to find sustainable materials to replace oil-derived polymers in the field. The development of new packaging materials with “green” characters is now an urgent need of our society. Apart from that, it is also expected for packaging with novel functionalities, which increase not only the shelf life of products but also their safety and quality in bringing convenience and benefits to consumers. This Special Issue caters to the needs of chemical and chemical engineers, material scientists, food chemists, and microbiologists in the area of packaging. 

Review articles, full papers, and technical papers on this topic are all welcome.

Dr. Jie Cai
Dr. Lei Chen
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 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. Polymers is an international peer-reviewed open access semimonthly 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

  • biomacromolecules
  • biobased and biodegradable polymers
  • polymer composites and nanocomposites
  • electrospinning
  • functionalization
  • green packaging

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Published Papers (2 papers)

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Research

9 pages, 2618 KiB  
Article
Flexible Thermoelectric Reduced Graphene Oxide/Ag2S/Methyl Cellulose Composite Film Prepared by Screen Printing Process
by Jianjun Wang, Yong Du, Jie Qin, Lei Wang, Qiufeng Meng, Zhenyu Li and Shirley Z. Shen
Polymers 2022, 14(24), 5437; https://doi.org/10.3390/polym14245437 - 12 Dec 2022
Cited by 5 | Viewed by 1933
Abstract
As an organic−inorganic thermoelectric composite material, a flexible, reduced graphene oxide (rGO)/silver sulfide (Ag2S)/methyl cellulose (MC) film was fabricated by a two-step method. Firstly, a rGO/Ag2S composite powder was prepared by a chemical synthesis method, and then, the rGO/Ag [...] Read more.
As an organic−inorganic thermoelectric composite material, a flexible, reduced graphene oxide (rGO)/silver sulfide (Ag2S)/methyl cellulose (MC) film was fabricated by a two-step method. Firstly, a rGO/Ag2S composite powder was prepared by a chemical synthesis method, and then, the rGO/Ag2S/MC composite film was prepared by a combined screen printing and annealing treatment process. The rGO and rGO/Ag2S composite powders were evenly dispersed in the rGO/Ag2S/MC composite films. A power factor of 115 μW m−1 K−2 at 520 K was acquired for the rGO/Ag2S/MC composite film, which is ~958 times higher than the power factor at 360 K (0.12 μW m−1 K−2), mainly due to the significant increase in the electrical conductivity of the composite film from 0.006 S/cm to 210.18 S/cm as the test temperature raised from 360 K to 520 K. The as-prepared rGO/Ag2S/MC composite film has a good flexibility, which shows a huge potential for the application of flexible, wearable electronics. Full article
(This article belongs to the Special Issue Eco-Friendly Polymer Composites for Green Packaging)
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14 pages, 3571 KiB  
Article
Robust Electrospinning-Constructed Cellulose Acetate@Anthocyanin Ultrafine Fibers: Synthesis, Characterization, and Controlled Release Properties
by Mingzhu Liu, Shilei Zhang, Yuanyuan Ye, Xiaoqing Liu, Jiangling He, Lingfeng Wei, Die Zhang, Jiaojiao Zhou and Jie Cai
Polymers 2022, 14(19), 4036; https://doi.org/10.3390/polym14194036 - 27 Sep 2022
Cited by 5 | Viewed by 2181
Abstract
Anthocyanin has attracted increasing attention due to its superior biological activity. However, the inherently poor stability of anthocyanin limits its practical applications. In this study, a fast and straightforward method was developed to improve the stability of anthocyanin. Cellulose acetate ultrafine fiber-loaded anthocyanin [...] Read more.
Anthocyanin has attracted increasing attention due to its superior biological activity. However, the inherently poor stability of anthocyanin limits its practical applications. In this study, a fast and straightforward method was developed to improve the stability of anthocyanin. Cellulose acetate ultrafine fiber-loaded anthocyanin (CA@Anthocyanin UFs) was prepared by robust electrospinning, and the potential application of cellulose acetate ultrafine fibers (CA UFs) as a bioactive substance delivery system was comprehensively investigated. The experimental results showed that CA@Anthocyanin UFs had protective effects on anthocyanin against temperature, light, and pH. The results of the artificially simulated gastric fluid (pH = 2.0) indicated that the CA@Anthocyanin UFs had a controllable release influence on anthocyanin. A 2,2-Diphenyl-1-picrylhydrazyl (DPPH) radical-scavenging assay suggested that the CA@Anthocyanin UFs still had an excellent antioxidant activity similar to anthocyanin. This work demonstrated the potential application of robust electrospinning-constructed cellulose acetate ultrafine fibers in bioactive substance delivery and controlled release systems, as well as its prospects in green packaging due to the nature of this environmentally friendly composite. Full article
(This article belongs to the Special Issue Eco-Friendly Polymer Composites for Green Packaging)
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