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Advances in High-Performance Polyimides: Preparation, Characterization and Application

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

Deadline for manuscript submissions: 30 November 2026 | Viewed by 853

Editors


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Guest Editor
School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China
Interests: polyimide; biodegradable polymers; polymerization; organic optoelectronic devices; high-performance polymer materials; polymer processing
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Institute of Chemistry, Henan Academy of Sciences, Zhengzhou, China
Interests: polyimide; gas separation membranes; waterborne resin coatings; organic–inorganic hybrid coatings

Special Issue Information

Dear Colleagues,

This Special Issue, “Advances in High-Performance Polyimides: Preparation, Characterization and Application”, highlights recent progress in the synthesis, processing, characterization, and application of polyimide materials. As a key class of high-performance polymers, polyimides are known for their outstanding thermal stability, mechanical strength, chemical resistance, and dielectric properties, making them essential in fields such as engineering, microelectronics, optoelectronics, and membrane separation.

Recent advances in molecular design have led to polyimides with tailored properties, including solubility, optical transparency, low dielectric constants, and improved processability. Innovations in composites, surface modification, and nanostructuring have further broadened their application scope.

We welcome original research articles and comprehensive reviews that advance the science, technology, and application of high-performance polyimides. Contributions spanning from fundamental polymer science to applied engineering are all welcome.

Potential topics include, but are not limited to, the following:

  • Novel synthetic strategies for high-performance polyimides
  • Structure–property relationships in polyimide molecular design
  • Soluble and thermoplastic polyimides for improved processability
  • Polyimide composites and hybrid materials
  • Low-dielectric-constant polyimides for microelectronics
  • Gas separation membranes based on polyimides
  • Thermal and mechanical characterization of polyimide materials
  • Surface modification and functionalization of polyimide films

Prof. Dr. Yonggang Min
Dr. Shiyang Zhang
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 250 words) can be sent to the Editorial Office for assessment.

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-anonymized 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

  • polyimides
  • high-performance polymers
  • thermal stability
  • polymer synthesis
  • polyimide composite
  • polymer characterization

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Published Papers (1 paper)

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Research

26 pages, 13392 KB  
Article
Influence of Cryogenic Cyclic Aging on Room-Temperature Mechanical and Tribological Performance of Polyimide-Based Materials
by Maksim Nikonovich, Amilcar Ramalho and Nazanin Emami
Polymers 2026, 18(13), 1651; https://doi.org/10.3390/polym18131651 - 2 Jul 2026
Viewed by 587
Abstract
Cryogenic environments impose severe thermal and mechanical stresses on polymer components, yet the effects of long-term cryogenic cycling on their subsequent room-temperature performance remain insufficiently understood. This study investigated the influence of cryogenic cyclic aging on the mechanical and tribological behaviour of polyimide [...] Read more.
Cryogenic environments impose severe thermal and mechanical stresses on polymer components, yet the effects of long-term cryogenic cycling on their subsequent room-temperature performance remain insufficiently understood. This study investigated the influence of cryogenic cyclic aging on the mechanical and tribological behaviour of polyimide (PI)-based materials, including neat PI and composites reinforced with MoS2, graphite, and/or PTFE. Repeated cryogenic cycling was followed by mechanical characterisation and tribological testing at 25 °C in air and vacuum. This work systematically compares neat and filled PI materials after cryogenic cyclic aging and correlates mechanical changes with transfer-film formation and wear behaviour. Cryogenic cyclic aging had only minor effects on weight and thermal stability but significantly altered the viscoelastic behaviour, increasing creep and residual strain, with variations depending on the polymer structure and filler content. Fracture toughness showed a statistically significant improvement only for PI2 (up to 93%). Changes in PI1, PI3, PI4, and PI5 fell within the experimental scatter and were interpreted as non-significant trends. In air, abrasive wear dominated in unreinforced PI, while graphite/PI composites exhibited adhesive wear and improved transfer film formation, reducing wear rates by up to 26%. In vacuum, the wear rate of aged graphite/PI increased by up to two orders of magnitude. Full article
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