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Impact of Thioamide Derivative Composite Preservation System on Vulcanization of Natural Rubber.

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Title: Impact of Thioamide Derivative Composite Preservation System on Vulcanization of Natural Rubber.
Authors: Hong, Yuhang1,2 (AUTHOR), Zhao, Liguang2 (AUTHOR), Song, Yazhong2,3 (AUTHOR), Huang, Honghai1,2 (AUTHOR), Li, Jianwei2 (AUTHOR), Dai, Tuo2,3 (AUTHOR), Zhao, Tao2 (AUTHOR), Chen, Minmin3 (AUTHOR), Yu, Rentong1 (AUTHOR), Geng, Haoran2 (AUTHOR), Gui, Hongxing2 (AUTHOR), Liao, Jianhe1 (AUTHOR)
Source: Polymers (20734360). Feb2026, Vol. 18 Issue 4, p467. 20p.
Subjects: Vulcanization, Rubber, Thioacetamide, Pyridine, Mechanical behavior of materials
Abstract: The thioacetamide derivative (TD)-composite preservation system (TDCPS) exhibits superior preservation effects on natural rubber (NR) latex and significantly enhances its vulcanization efficiency and mechanical properties. This study assessed TDCPS for NR, with a particular focus on its effects in promoting vulcanization. The TD containing both pyridine and thioamide groups was evaluated against other additives, namely thione accelerator ETU, pyridine 3-HP, and thioacetamide TAA. The results indicated that TD significantly reduced vulcanization time and enhanced efficiency, surpassing the moderate effects of ETU and 3-HP, as well as the minimal activity of TAA. Furthermore, TD and 3-HP demonstrated a synergistic effect in enhancing the properties of vulcanized NR, including elongation stress, tensile strength, tear resistance, and hardness, with TD achieving more rapid and complete vulcanization at higher dosages. Both TD and 3-HP increased the energy storage modulus of raw NR, thereby enhancing rigidity, while maintaining low loss factor values. The superior performance of TD is attributed to the synergistic interaction of its pyridine and thioamide groups, which optimize vulcanization kinetics and mechanical integrity. These findings underscore TD's potential as an efficient vulcanization promoter for NR. [ABSTRACT FROM AUTHOR]
Copyright of Polymers (20734360) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
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PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Impact of Thioamide Derivative Composite Preservation System on Vulcanization of Natural Rubber.
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  Data: <searchLink fieldCode="AR" term="%22Hong%2C+Yuhang%22">Hong, Yuhang</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Liguang%22">Zhao, Liguang</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Song%2C+Yazhong%22">Song, Yazhong</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Huang%2C+Honghai%22">Huang, Honghai</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Jianwei%22">Li, Jianwei</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Dai%2C+Tuo%22">Dai, Tuo</searchLink><relatesTo>2,3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhao%2C+Tao%22">Zhao, Tao</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Minmin%22">Chen, Minmin</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yu%2C+Rentong%22">Yu, Rentong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Geng%2C+Haoran%22">Geng, Haoran</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gui%2C+Hongxing%22">Gui, Hongxing</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liao%2C+Jianhe%22">Liao, Jianhe</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Polymers+%2820734360%29%22">Polymers (20734360)</searchLink>. Feb2026, Vol. 18 Issue 4, p467. 20p.
– Name: Subject
  Label: Subjects
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  Data: <searchLink fieldCode="DE" term="%22Vulcanization%22">Vulcanization</searchLink><br /><searchLink fieldCode="DE" term="%22Rubber%22">Rubber</searchLink><br /><searchLink fieldCode="DE" term="%22Thioacetamide%22">Thioacetamide</searchLink><br /><searchLink fieldCode="DE" term="%22Pyridine%22">Pyridine</searchLink><br /><searchLink fieldCode="DE" term="%22Mechanical+behavior+of+materials%22">Mechanical behavior of materials</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The thioacetamide derivative (TD)-composite preservation system (TDCPS) exhibits superior preservation effects on natural rubber (NR) latex and significantly enhances its vulcanization efficiency and mechanical properties. This study assessed TDCPS for NR, with a particular focus on its effects in promoting vulcanization. The TD containing both pyridine and thioamide groups was evaluated against other additives, namely thione accelerator ETU, pyridine 3-HP, and thioacetamide TAA. The results indicated that TD significantly reduced vulcanization time and enhanced efficiency, surpassing the moderate effects of ETU and 3-HP, as well as the minimal activity of TAA. Furthermore, TD and 3-HP demonstrated a synergistic effect in enhancing the properties of vulcanized NR, including elongation stress, tensile strength, tear resistance, and hardness, with TD achieving more rapid and complete vulcanization at higher dosages. Both TD and 3-HP increased the energy storage modulus of raw NR, thereby enhancing rigidity, while maintaining low loss factor values. The superior performance of TD is attributed to the synergistic interaction of its pyridine and thioamide groups, which optimize vulcanization kinetics and mechanical integrity. These findings underscore TD's potential as an efficient vulcanization promoter for NR. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Polymers (20734360) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.3390/polym18040467
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      – Code: eng
        Text: English
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      Pagination:
        PageCount: 20
        StartPage: 467
    Subjects:
      – SubjectFull: Vulcanization
        Type: general
      – SubjectFull: Rubber
        Type: general
      – SubjectFull: Thioacetamide
        Type: general
      – SubjectFull: Pyridine
        Type: general
      – SubjectFull: Mechanical behavior of materials
        Type: general
    Titles:
      – TitleFull: Impact of Thioamide Derivative Composite Preservation System on Vulcanization of Natural Rubber.
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            NameFull: Hong, Yuhang
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              Text: Feb2026
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              Y: 2026
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