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High-Performance Polymeric Materials: Current Advances and Future Perspectives
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High-Performance Polymeric Materials: Current Advances and Future Perspectives

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Polymeric Materials".

Deadline for manuscript submissions: closed (31 August 2022) | Viewed by 5421

Special Issue Editor

Prof. Dr. Masayuki Yamaguchi

E-Mail Website
Guest Editor
Japan Advanced Institute of Science and Technology, School of Materials Science, Nomi, Japan
Interests: functional and high-performance polymers based on the rheological approach

Special Issue Information

Dear Colleagues,

Though the polymer industry has been incredibly successful in terms of implementation in commodity applications, recent advances in the field mean that it is now time for polymeric materials to enrich our daily lives in new, different ways. This Special Issue, “High-Performance Polymeric Materials: Current Advances and Future Perspectives”, will address advances in materials science from the viewpoints of polymer physics, including polymer blends, alloys, composites, additives, and processing operations. Although most important polymer materials have been already developed, their performance must be further improved by tuning their rheological properties in the molten state as well as structure in the solid state. This Special Issue will include manuscripts focused on various modification techniques using current polymeric materials. Full papers, communications, and reviews are all welcome.

Prof. Dr. Masayuki Yamaguchi
Guest Editor

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. Materials 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 2600 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

  • high-performance polymer
  • polymer alloy
  • polymer blend
  • polymer composites
  • rheology control
  • structure development
  • polymer processing
  • molten-state properties
  • solid-state properties

Published Papers (4 papers)

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Research

11 pages, 4028 KiB  
Article
Investigation of the Properties of Polyphenylene Sulfone Blends
by Azamat Slonov, Ismel Musov, Azamat Zhansitov, Zhanna Kurdanova, Kamila Shakhmurzova and Svetlana Khashirova
Materials 2022, 15(18), 6381; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15186381 - 14 Sep 2022
Cited by 4 | Viewed by 1435
Abstract
Polyphenylene sulfones (PPSU) blends with different viscosities have been studied. It is shown that the blends have a single-phase structure, regardless of the viscosities of the mixed polymers. It was found that blends having close values of the melt flow index (MFR) are [...] Read more.
Polyphenylene sulfones (PPSU) blends with different viscosities have been studied. It is shown that the blends have a single-phase structure, regardless of the viscosities of the mixed polymers. It was found that blends having close values of the melt flow index (MFR) are also characterized by a similar melt viscosity in a wide range of shear rates, regardless of the viscosities of its constituent components. It has been found that PPSU blends with smaller MFR differences exhibit higher heat resistance and stability of mechanical properties, while blends with similar viscosity containing oligomers exhibit a broader molecular weight distribution (MWD) and have lower thermal and mechanical properties. Full article
(This article belongs to the Special Issue High-Performance Polymeric Materials: Current Advances and Future Perspectives)
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13 pages, 3970 KiB  
Article
Study of the Effect of Modified Aluminum Oxide Nanofibers on the Properties of PLA-Based Films
by Anna Sukhanova, Anatoly Boyandin, Natalya Ertiletskaya, Mikhail Simunin, Taisia Shalygina, Anton Voronin, Alexander Vasiliev, Ivan Nemtsev, Mikhail Volochaev and Svetlana Pyatina
Materials 2022, 15(17), 6097; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15176097 - 02 Sep 2022
Cited by 2 | Viewed by 1520
Abstract
To find out whether Al2O3 nanofiller is effective in improving the characteristics of polymer composites, composite polymer films based on biodegradable polylactide and epoxidized aluminum oxide nanofibers were obtained by solution casting. Surface morphology, mechanical and thermal properties of composites [...] Read more.
To find out whether Al2O3 nanofiller is effective in improving the characteristics of polymer composites, composite polymer films based on biodegradable polylactide and epoxidized aluminum oxide nanofibers were obtained by solution casting. Surface morphology, mechanical and thermal properties of composites were studied by SEM, IR-Fourier spectroscopy, DSC and DMA. It was shown that, below and above the percolation threshold, the properties of the films differ significantly. The inclusion of alumina nanoparticles up to 0.2% leads to a plasticizing effect, a decrease in the crystallization temperature and the melting enthalpy and an increase in the tensile stress. An increase in the content of alumina nanoparticles in films above the percolation threshold (0.5%) leads to a decrease in the crystallinity of the films, an increase in stiffness and a drop in elasticity. Finding the percolation threshold of alumina nanoparticles in PLA films makes it possible to control their properties and create materials for various applications. The results of this study may have major significance for the commercial use of aluminum oxide nanofibers and can broaden the research field of composites. Full article
(This article belongs to the Special Issue High-Performance Polymeric Materials: Current Advances and Future Perspectives)
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9 pages, 1745 KiB  
Article
Viscoelastic Properties of Fully Biomass-Based Transparent Plastic Comprising Cellulose Acetate and Citrate Ester
by Takeyoshi Kimura, Takumitsu Kida and Masayuki Yamaguchi
Materials 2022, 15(9), 3038; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15093038 - 22 Apr 2022
Cited by 5 | Viewed by 2013
Abstract
Viscoelastic properties including melt processability were evaluated for a fully biomass-based glassy plastic comprising cellulose acetate (CA) and triethyl citrate (TEC). The TEC exerted an excellent plasticizing effect without dissolving the CA crystals. Pure CA has poor melt processability. In contrast, the TEC-plasticized [...] Read more.
Viscoelastic properties including melt processability were evaluated for a fully biomass-based glassy plastic comprising cellulose acetate (CA) and triethyl citrate (TEC). The TEC exerted an excellent plasticizing effect without dissolving the CA crystals. Pure CA has poor melt processability. In contrast, the TEC-plasticized CA had good melt-processability at 205 °C, which is lower than the degradation temperature of CA. Extrusion was possible even at 1000 s−1 without any flow instabilities, similar to conventional plastics showing good processability at extrusion. Furthermore, there was marked strain-hardening behavior in the transient elongational viscosity, suggesting that various processing operations are possible, such as a long-chain branched polymer. This biomass-based plastic can be used as a substitute for conventional glassy plastics because it is highly transparent and its softening temperature is above 100 °C. Full article
(This article belongs to the Special Issue High-Performance Polymeric Materials: Current Advances and Future Perspectives)
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11 pages, 4685 KiB  
Article
Complicated Structure Change during Capillary Extrusion of Binary Blends of Polycarbonate and Poly(methyl methacrylate)
by Masayuki Yamaguchi, Kodai Nakamura, Takeyoshi Kimura, Nantina Moonprasith, Takumitsu Kida, Kyoko Tsubouchi, Takaaki Narita and Tatsuhiro Hiraoka
Materials 2022, 15(8), 2783; https://0-doi-org.brum.beds.ac.uk/10.3390/ma15082783 - 10 Apr 2022
Cited by 6 | Viewed by 1636
Abstract
The effects of pressure and shear rate on the miscibility of binary blends comprising bisphenol-A polycarbonate (PC) and low molecular weight poly(methyl methacrylate) (PMMA) were investigated using a capillary rheometer. Both pressure and shear rate affected the miscibility. The examination of an extruded [...] Read more.
The effects of pressure and shear rate on the miscibility of binary blends comprising bisphenol-A polycarbonate (PC) and low molecular weight poly(methyl methacrylate) (PMMA) were investigated using a capillary rheometer. Both pressure and shear rate affected the miscibility. The examination of an extruded strand of the blend provided information about the cause of the phase change. Under high pressure, pressure-induced demixing occurred at temperatures below the lower critical solution temperature (LCST) of the blend. Consequently, the extruded strand became opaque throughout. During shear-induced mixing/demixing, a part of the strand became opaque because of the distribution of the shear rate in the strand. For example, during shear-induced demixing, only the exterior of the strand, i.e., the high shear rate region, became opaque. Above the LCST, shear-induced mixing occurred, and only the center region of the strand became opaque. Full article
(This article belongs to the Special Issue High-Performance Polymeric Materials: Current Advances and Future Perspectives)
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