Thioether-Containing Zirconium(Alkoxy)Siloxanes: Synthesis and Study of Dielectric and Mechanical Properties of Silica-Filled Polydimethylsiloxane Compositions Cured by Them
A number of thioether-containing zirconium siloxanes, differing in their composition and metal atom shielding degree with a siloxy substituent, were synthesized and characterized. Synthesis of such compounds made it possible to evaluate the effect of sulfur atoms’ presence in the cured compositions...
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MDPI AG
2023-08-01
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| author | Alexander N. Tarasenkov Maria S. Parshina Galina P. Goncharuk Kirill M. Borisov Evgeniy K. Golubev Ivan B. Meshkov Georgiy V. Cherkaev Vitaliy G. Shevchenko Sergey A. Ponomarenko Aziz M. Muzafarov |
| author_facet | Alexander N. Tarasenkov Maria S. Parshina Galina P. Goncharuk Kirill M. Borisov Evgeniy K. Golubev Ivan B. Meshkov Georgiy V. Cherkaev Vitaliy G. Shevchenko Sergey A. Ponomarenko Aziz M. Muzafarov |
| author_sort | Alexander N. Tarasenkov |
| collection | DOAJ |
| description | A number of thioether-containing zirconium siloxanes, differing in their composition and metal atom shielding degree with a siloxy substituent, were synthesized and characterized. Synthesis of such compounds made it possible to evaluate the effect of sulfur atoms’ presence in the cured compositions on their dielectric properties, as well as to evaluate their curing ability and influence on mechanical characteristics compared to the sulfur-free analogs obtained earlier. Studying a wide range of compositions differing in their content and ratio of metallosiloxane and silica components revealed that such systems are still typical dielectrics. At the same time, the introduction of thioether groups can provide increased dielectric constant and conductivity in comparison with previously obtained sulfur-free similar compositions in the <10<sup>2</sup> Hz frequency range (dielectric constant up to ~10–30 at frequency range 1–10 Hz). As before, the dielectric parameters increase is directly determined by the silica component proportion in the cured material. It is also shown that varying sulfur-containing zirconium siloxanes structure and functionality and its combination with previously obtained sulfur–free analogs, along with varying the functionality and rubber chain length, can be an effective tool for changing the dielectric and mechanical material parameters in a wide range (tensile strength 0.5–7 Mpa, elastic deformation 2–300%), which determine the prospects for the use of such cured systems as dielectric elastomers for various purposes. |
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| id | doaj.art-0ddeb01c51e34559ae58723cfdd0014d |
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| issn | 2073-4360 |
| language | English |
| last_indexed | 2024-03-10T23:37:13Z |
| publishDate | 2023-08-01 |
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| series | Polymers |
| spelling | doaj.art-0ddeb01c51e34559ae58723cfdd0014d2023-11-19T02:43:05ZengMDPI AGPolymers2073-43602023-08-011516336110.3390/polym15163361Thioether-Containing Zirconium(Alkoxy)Siloxanes: Synthesis and Study of Dielectric and Mechanical Properties of Silica-Filled Polydimethylsiloxane Compositions Cured by ThemAlexander N. Tarasenkov0Maria S. Parshina1Galina P. Goncharuk2Kirill M. Borisov3Evgeniy K. Golubev4Ivan B. Meshkov5Georgiy V. Cherkaev6Vitaliy G. Shevchenko7Sergey A. Ponomarenko8Aziz M. Muzafarov9N. S. Enikolopov Institute of Synthetic Polymer Materials, Russian Academy of Sciences (ISPM RAS), Profsoyuznaya 70, 117393 Moscow, RussiaN. S. Enikolopov Institute of Synthetic Polymer Materials, Russian Academy of Sciences (ISPM RAS), Profsoyuznaya 70, 117393 Moscow, RussiaN. S. Enikolopov Institute of Synthetic Polymer Materials, Russian Academy of Sciences (ISPM RAS), Profsoyuznaya 70, 117393 Moscow, RussiaN. S. Enikolopov Institute of Synthetic Polymer Materials, Russian Academy of Sciences (ISPM RAS), Profsoyuznaya 70, 117393 Moscow, RussiaN. S. Enikolopov Institute of Synthetic Polymer Materials, Russian Academy of Sciences (ISPM RAS), Profsoyuznaya 70, 117393 Moscow, RussiaN. S. Enikolopov Institute of Synthetic Polymer Materials, Russian Academy of Sciences (ISPM RAS), Profsoyuznaya 70, 117393 Moscow, RussiaN. S. Enikolopov Institute of Synthetic Polymer Materials, Russian Academy of Sciences (ISPM RAS), Profsoyuznaya 70, 117393 Moscow, RussiaN. S. Enikolopov Institute of Synthetic Polymer Materials, Russian Academy of Sciences (ISPM RAS), Profsoyuznaya 70, 117393 Moscow, RussiaN. S. Enikolopov Institute of Synthetic Polymer Materials, Russian Academy of Sciences (ISPM RAS), Profsoyuznaya 70, 117393 Moscow, RussiaN. S. Enikolopov Institute of Synthetic Polymer Materials, Russian Academy of Sciences (ISPM RAS), Profsoyuznaya 70, 117393 Moscow, RussiaA number of thioether-containing zirconium siloxanes, differing in their composition and metal atom shielding degree with a siloxy substituent, were synthesized and characterized. Synthesis of such compounds made it possible to evaluate the effect of sulfur atoms’ presence in the cured compositions on their dielectric properties, as well as to evaluate their curing ability and influence on mechanical characteristics compared to the sulfur-free analogs obtained earlier. Studying a wide range of compositions differing in their content and ratio of metallosiloxane and silica components revealed that such systems are still typical dielectrics. At the same time, the introduction of thioether groups can provide increased dielectric constant and conductivity in comparison with previously obtained sulfur-free similar compositions in the <10<sup>2</sup> Hz frequency range (dielectric constant up to ~10–30 at frequency range 1–10 Hz). As before, the dielectric parameters increase is directly determined by the silica component proportion in the cured material. It is also shown that varying sulfur-containing zirconium siloxanes structure and functionality and its combination with previously obtained sulfur–free analogs, along with varying the functionality and rubber chain length, can be an effective tool for changing the dielectric and mechanical material parameters in a wide range (tensile strength 0.5–7 Mpa, elastic deformation 2–300%), which determine the prospects for the use of such cured systems as dielectric elastomers for various purposes.https://www.mdpi.com/2073-4360/15/16/3361hydrothiolationmetalloalkoxysiloxanesRebrov’s saltssilicon compositesdielectric constant |
| spellingShingle | Alexander N. Tarasenkov Maria S. Parshina Galina P. Goncharuk Kirill M. Borisov Evgeniy K. Golubev Ivan B. Meshkov Georgiy V. Cherkaev Vitaliy G. Shevchenko Sergey A. Ponomarenko Aziz M. Muzafarov Thioether-Containing Zirconium(Alkoxy)Siloxanes: Synthesis and Study of Dielectric and Mechanical Properties of Silica-Filled Polydimethylsiloxane Compositions Cured by Them Polymers hydrothiolation metalloalkoxysiloxanes Rebrov’s salts silicon composites dielectric constant |
| title | Thioether-Containing Zirconium(Alkoxy)Siloxanes: Synthesis and Study of Dielectric and Mechanical Properties of Silica-Filled Polydimethylsiloxane Compositions Cured by Them |
| title_full | Thioether-Containing Zirconium(Alkoxy)Siloxanes: Synthesis and Study of Dielectric and Mechanical Properties of Silica-Filled Polydimethylsiloxane Compositions Cured by Them |
| title_fullStr | Thioether-Containing Zirconium(Alkoxy)Siloxanes: Synthesis and Study of Dielectric and Mechanical Properties of Silica-Filled Polydimethylsiloxane Compositions Cured by Them |
| title_full_unstemmed | Thioether-Containing Zirconium(Alkoxy)Siloxanes: Synthesis and Study of Dielectric and Mechanical Properties of Silica-Filled Polydimethylsiloxane Compositions Cured by Them |
| title_short | Thioether-Containing Zirconium(Alkoxy)Siloxanes: Synthesis and Study of Dielectric and Mechanical Properties of Silica-Filled Polydimethylsiloxane Compositions Cured by Them |
| title_sort | thioether containing zirconium alkoxy siloxanes synthesis and study of dielectric and mechanical properties of silica filled polydimethylsiloxane compositions cured by them |
| topic | hydrothiolation metalloalkoxysiloxanes Rebrov’s salts silicon composites dielectric constant |
| url | https://www.mdpi.com/2073-4360/15/16/3361 |
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