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Polymers
Special Issues
Polymers & Polymer Composites for Packaging Applications
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Polymers & Polymer Composites for Packaging Applications

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

Deadline for manuscript submissions: 31 October 2024 | Viewed by 2037

Special Issue Editors

Dr. Haiyun Jiang

E-Mail Website
Guest Editor
National & Local Joint Engineering Research Center for Advanced Packaging Material and Technology, Zhuzhou 412007, China
Interests: functional packaging materials and application; innovative design of packaging structure; composite materials
Dr. Fude Lu

E-Mail Website
Guest Editor
School of Packaging and Materials Engineering, Hunan University of Technology, Zhuzhou 412007, China
Interests: packaging dynamics; simulation and analysis of packaging materials; numerical analysis and calculation

Special Issue Information

Dear Colleagues,

The use of polymers and polymer composites for packaging applications is one of the most important research fields in packaging, involving areas of active packaging, intelligent packaging, food safety and distribution packaging, and supply chain management.  

This Special Issue of Polymers aims to collect cutting-edge original research papers and reviews on the topic the application of polymers and polymer composites to packaging. Research may touch on areas such as:

  • Active packaging techniques and polymers;
  • Food safety and packaging materials;
  • Intelligent packaging materials and application;
  • Simulation and analysis of cushion materials;
  • Mechanics of packaging;
  • Water-soluble packaging materials and application;
  • Self-clean packaging materials and application;
  • Other functional packaging materials and application.

Dr. Haiyun Jiang
Dr. Fude Lu
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. 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 2700 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

  • active packaging
  • food safety
  • intelligent packaging
  • simulation and analysis
  • mechanics of packaging
  • functional packaging materials
  • packaging distribution

Published Papers (2 papers)

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Research

13 pages, 1993 KiB  
Article
Colorimetric Films Based on Polyvinyl Alcohol and Anthocyanins Extracted from Purple Tomato to Monitor the Freshness of Shrimp
by Yangyang Qi and Yana Li
Polymers 2024, 16(4), 495; https://doi.org/10.3390/polym16040495 - 10 Feb 2024
Cited by 1 | Viewed by 758
Abstract
Anthocyanin extracts from purple tomato (PTA) were incorporated with polyvinyl alcohol (PVA), resulting in a series of colorimetric PVA/PTA films with PTA concentrations of 0%, 1%, 3%, and 5% (based on PVA). The role of anthocyanin on color response, Fourier-transform infrared (FTIR), thickness, [...] Read more.
Anthocyanin extracts from purple tomato (PTA) were incorporated with polyvinyl alcohol (PVA), resulting in a series of colorimetric PVA/PTA films with PTA concentrations of 0%, 1%, 3%, and 5% (based on PVA). The role of anthocyanin on color response, Fourier-transform infrared (FTIR), thickness, water content, mechanical properties, antioxidant activity, and water vapor permeability (WVP) through the films was examined. In addition, its application in smart packaging to assess the freshness of shrimp was studied. It was found that the tensile strength, contact angle and WVP of PVA/PTA films increases with the addition of more PTA, while the elongation at break and water content decreased. FTIR analysis showed that there are interactions between PTA and the PVA matrix. The addition of anthocyanins caused significant improvement in the antioxidant properties of PVA films. Furthermore, the total volatile alkaline nitrogen (TVB-N), total plate count (TPC), and pH value of shrimp were monitored after 4 days of refrigeration, and the color change of the indexes was recorded. The PVA/PTA films changed color from purple to yellow-green during the storage time of 0–4 days for shrimp. This suggests that the film could be used in smart packaging as a real-time freshness indicator for shrimp. Full article
(This article belongs to the Special Issue Polymers & Polymer Composites for Packaging Applications)
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12 pages, 1481 KiB  
Article
A One-Dimensional Dynamic Constitutive Modeling of Ethylene Vinyl Acetate (EVA) Foam
by Jin Wu, Fude Lu, Jiaxuan Chen and Mingqi Wang
Polymers 2023, 15(23), 4514; https://doi.org/10.3390/polym15234514 - 24 Nov 2023
Cited by 1 | Viewed by 806
Abstract
Ethylene vinyl acetate copolymer (EVA) is good for impact protection and energy absorption, and belongs to rate sensitive-dependent materials. This study aimed to investigate the influence of increased strain rate and the presence of entrapped air on the enhancement of foam material strength. [...] Read more.
Ethylene vinyl acetate copolymer (EVA) is good for impact protection and energy absorption, and belongs to rate sensitive-dependent materials. This study aimed to investigate the influence of increased strain rate and the presence of entrapped air on the enhancement of foam material strength. The compression deformation behavior of EVA foams containing a microporous structure was extensively investigated over different strain rates of 0.0017/s, 0.033/s, and 0.17/s, where each test was conducted at a constant compression velocity. A one-dimensional dynamic constitutive model was established to describe the large deformation response of EVA to different strain rates. The model included two components, the material action part and the air pressure part. Quasi-static and dynamic compression tests were used to determine the constitutive relations of three parameters, a1, a2, and the leaking rate δ·. The samples with EVA foams at different strain rates were fitted using ORIGIN software, and the constitutive model parameters were obtained. It was found that the ratio of the air leaking rate to the strain rate gradually decreases, causing air within the EVA to be trapped in the cells rather than escaping in a timely manner with increasing strain rates. Full article
(This article belongs to the Special Issue Polymers & Polymer Composites for Packaging Applications)
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