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Thermal Analysis of Polymer Processes

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

Deadline for manuscript submissions: 31 August 2026 | Viewed by 478

Special Issue Editors


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Guest Editor
National Research Council of Italy—Institute of Chemical Sciences and Technologies “Giulio Natta” CNR SCITEC, Via De Marini 6, 16149 Genova, Italy
Interests: calorimetry; kinetic; annealing; extrusion; inject moulding; thermoforming; 3D printing; DSC; TG
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
National Research Council of Italy—Institute of Chemical Sciences and Technologies “Giulio Natta” CNR SCITEC, Via De Marini 6, 16149 Genova, Italy
Interests: polymers; composites; materials characterization; processing
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Thermal analysis has accompanied polymer science since its origins, because polymer structure and properties are inherently governed by heat transfer, phase transitions and degradation phenomena across synthesis, processing and service life. From melt shaping and crystallization to annealing, vulcanization and environmental aging, temperature history controls morphology, polymorphism and microstructure, with profound consequences for mechanical performance, durability and recyclability. Modern thermoanalytical methods, including DSC, DTA, TG, DMA and related calorimetric techniques, now provide an indispensable toolbox for “fingerprinting” polymers, quantifying crystallinity, glass transition, reaction kinetics and degradation pathways and linking macroscopic response to molecular reorganization. This Special Issue on Thermal Analysis of Polymer Processes aims to gather both theoretical and application-oriented contributions that demonstrate how thermal control and its quantitative characterization during formation, processing and post‑treatment can be exploited to tailor properties in systems as diverse as semicrystalline thermoplastics, elastomers, composites, blends and recycled materials. Contributions are especially encouraged that cut across application domains while highlighting the universal principles of heat transport, thermodynamics and kinetics that underlie polymer processing, stability and performance.

Dr. Giorgio Luciano
Dr. Maurizio Vignolo
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-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

  • thermal spinning
  • kinetic
  • microwaves
  • extrusion
  • inject moulding
  • DSC calorimetry
  • 3D printing

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Published Papers (1 paper)

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Research

11 pages, 3562 KB  
Article
Thermal Desorption Used to Characterize Volatile Organic Compounds of Recycled Plastics
by Sandra Czaker and Joerg Fischer
Polymers 2026, 18(7), 792; https://doi.org/10.3390/polym18070792 - 25 Mar 2026
Viewed by 334
Abstract
About 10% of plastic products are recycled worldwide, highlighting the need for technology improvements based on deeper material understanding. In packaging, which holds the highest market share in plastics demand, odor and potential hazards remain critical barriers to high-quality recycling. Conventional characterization relies [...] Read more.
About 10% of plastic products are recycled worldwide, highlighting the need for technology improvements based on deeper material understanding. In packaging, which holds the highest market share in plastics demand, odor and potential hazards remain critical barriers to high-quality recycling. Conventional characterization relies on chromatography with extensive sample preparation. A gas chromatography system equipped with thermal desorption and dual flame ionization and mass spectrometric detection (ATD-GC/FID-MS) was established to analyze recyclates directly, thereby accelerating technology adaptation and guiding follow-up analyses. For calibration and validation, liquid standards were introduced into TenaxTA-filled tubes via a packed column injector and compared to a loading rig. The injector exhibited losses for higher-molar-mass compounds and solvent-dependent signal shifts. A storage study on compounded recycled polypropylene stored under various conditions showed that samples not frozen in sealed containers should be analyzed within 30 days. Experiments with varying sample geometries demonstrated that higher surface-to-volume ratios increase volatile release and variability in results, highlighting the need for uniform shapes. Applying the method to recycled yogurt cups enables the identification and quantification of contaminants, facilitating optimization of the washing process. Overall, ATD-GC/FID-MS provides a rapid screening tool for recyclate quality control and supports the improvement of recycling technologies. Full article
(This article belongs to the Special Issue Thermal Analysis of Polymer Processes)
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