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Polymers
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Reviews on Progress in Polymer Analysis and Characterization
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Reviews on Progress in Polymer Analysis and Characterization

A topical collection in Polymers (ISSN 2073-4360). This collection belongs to the section "Polymer Analysis and Characterization".

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Editors

Prof. Dr. Giulio Malucelli

E-Mail Website
Collection Editor
Department of Applied Science and Technology, Politecnico di Torino, I-10129 Torino, Italy
Interests: hybrid O/I systems; sol–gel processes; biomacromolecules; biopolymers; flame retardance; structure–property–processing relationships; thermal degradation; polymer (nano)composites
Special Issues, Collections and Topics in MDPI journals
Dr. H. N. Cheng

E-Mail Website
Collection Editor
Southern Regional Research Center, USDA-ARS, 1100 Robert E Lee Blvd., New Orleans, LA 70124, USA
Interests: green polymer chemistry; polymer reactions; biobased materials; biocatalysis; polymer analysis; NMR; polymerization statistics; polymer modeling; polysaccharides; protein adhesives; triglycerides; biopolymer modifications

Topical Collection Information

Dear Colleagues,

This Topical Collection intends to collect reviews articles on research areas involving fundamental and applied studies dealing with polymer analysis and characterization. It is very important to characterize polymers and polymer-based materials (such as synthetic polymers, blends, composites, fibers, textiles, hydrogels, rubbers and biopolymers) in order to establish strong structure–property relationships. Topics include, but are not limited to:

  • Progresses in photodegradation and photo-oxidation of polymers and polymer composites;
  • Thermal and fire behavior of polymers and polymer composites;
  • Advanced spectroscopy methods for the characterization of polymer systems;
  • Progresses in morphological characterization of polymers and polymer micro- and nano-composites;
  • Advances in the characterization of polymerization mechanisms;
  • Progresses in the characterization of surface properties of bulky polymers and polymer films;
  • Rheological characterization of polymers and polymer micro- and nano-composites;
  • Morphological characterization of polymers and polymer micro- and nano-composites;
  • Mechanical characterization of polymers and polymer micro- and nano-composites;
  • Structural modification and characterization of polymer and polymer composites.

Prof. Dr. Giulio Malucelli
Dr. H. N. Cheng
Collection 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 collection 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

  • FT-IR spectroscopy
  • NMR spectroscopy
  • mechanical behavior
  • thermal behavior
  • morphological characterization
  • flame retardance
  • surface properties
  • crystallization behavior
  • permeability
  • rheological behavior
  • structure-property relationships in polymers and polymer composites

Published Papers (3 papers)

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2024

Jump to: 2023

14 pages, 5678 KiB  
Article
Flexibility of Poly(alkyl methacrylate)s Characterized by Their Persistence Length Determined through Pyrene Excimer Formation
by Kristijan Lulic, Grégoire Muller, Renzo Gutierrez, Hunter Little and Jean Duhamel
Polymers 2024, 16(15), 2126; https://doi.org/10.3390/polym16152126 - 26 Jul 2024
Viewed by 383
Abstract
A series of poly(alkyl methacrylate)s and poly(oligo(ethylene glycol) methyl ether methacrylate)s labeled with 1-pyrenebutanol were referred to as the PyC4-PCnMA samples with n = 1, 4, 6, 8, 12, and 18 and the PyC4-PEGnMA samples [...] Read more.
A series of poly(alkyl methacrylate)s and poly(oligo(ethylene glycol) methyl ether methacrylate)s labeled with 1-pyrenebutanol were referred to as the PyC4-PCnMA samples with n = 1, 4, 6, 8, 12, and 18 and the PyC4-PEGnMA samples with n = 0–5, 9, 16, and 19, respectively. Pyrene excimer formation (PEF) upon the encounter between an excited and a ground-state pyrenyl labels was employed to determine their persistence length (lp) in o-xylene. The fluorescence decays of the PyC4-PCnMA and PyC4-PEGnMA samples were acquired and analyzed with the fluorescence blob model to yield the number (Nblob) of structural units in the volume probed by an excited pyrenyl label. Nblob was found to decrease with an increasing number (NS) of non-hydrogen atoms in the side chain, reaching a plateau for the PyC4-PEGnMA samples with a longer side chain (n = 16 and 19). The Nblob values were used to determine lp. The lp values for the PyC4-PCnMA and PyC4-PEGnMA samples increased linearly with increasing NS2 as predicted theoretically, which agreed with the lp values obtained by viscometry for a series of PCnMA samples. The good agreement between the lp values retrieved by PEF and viscometry served to validate the PEF-based methodology for determining lp for linear polymers. Full article
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16 pages, 1151 KiB  
Review
NMR Analyses and Statistical Modeling of Biobased Polymer Microstructures—A Selected Review
by Huai N. Cheng, Tetsuo Asakura, Koto Suganuma, Jose M. Lagaron, Beatriz Melendez-Rodriguez and Atanu Biswas
Polymers 2024, 16(5), 620; https://doi.org/10.3390/polym16050620 - 24 Feb 2024
Viewed by 1007
Abstract
NMR analysis combined with statistical modeling offers a useful approach to investigate the microstructures of polymers. This article provides a selective review of the developments in both the NMR analysis of biobased polymers and the statistical models that can be used to characterize [...] Read more.
NMR analysis combined with statistical modeling offers a useful approach to investigate the microstructures of polymers. This article provides a selective review of the developments in both the NMR analysis of biobased polymers and the statistical models that can be used to characterize these materials. The information obtained from NMR and statistical models can provide insights into the microstructure and stereochemistry of appropriate biobased polymers and establish a systematic approach to their analysis. In suitable cases, the analysis can help optimize the synthetic procedures and facilitate the development of new or modified polymeric materials for various applications. Examples are given of the studies of poly(hydroxyalkanoates), poly(lactic acid), and selected polysaccharides, e.g., alginate, pectin, and chitosan. This article may serve as both a reference and a guide for future workers interested in the NMR sequence analysis of biobased materials. Full article
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2023

Jump to: 2024

14 pages, 2957 KiB  
Review
A Practical Primer: Raman Spectroscopy for Monitoring of Photopolymerization Systems
by Julie L. P. Jessop
Polymers 2023, 15(18), 3835; https://doi.org/10.3390/polym15183835 - 20 Sep 2023
Cited by 2 | Viewed by 1805
Abstract
Photopolymerization systems provide compelling advantages for industrial applications due to their fast reaction kinetics, wide selection of monomers for physical property development, and energy-efficient initiation via illumination. These same advantages can present challenges when attempting to monitor these reactions or characterize their resulting [...] Read more.
Photopolymerization systems provide compelling advantages for industrial applications due to their fast reaction kinetics, wide selection of monomers for physical property development, and energy-efficient initiation via illumination. These same advantages can present challenges when attempting to monitor these reactions or characterize their resulting polymers; however, Raman spectroscopy can provide the flexibility and resolution needed. In this overview, Raman spectroscopy is compared to common characterization techniques, such as photo-differential scanning calorimetry and infrared spectroscopy, highlighting advantages of Raman spectroscopy. Examples are provided of how Raman spectroscopy has been used to monitor photopolymerizations and to provide insight on the impact of monomer chemistry and processing conditions, as well as paired with other techniques to elucidate physical properties. Finally, practical tips are provided for applying Raman spectroscopy and microscopy in photopolymerization systems. Full article
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