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GTR/NBR/Silica Composites Performance Properties as a Function of Curing System: Sulfur versus Peroxides
Abstrakt
In this work, conventional sulfur and two types of organic peroxides (dicumyl peroxide (DCP) and di-(2-tert-butyl-peroxyisopropyl)-benzene (BIB)) curing systems were used to investigate the possibility for tailoring of the performance properties of GTR/NBR blends reinforced with a variable content of highly dispersive silica (0–30 phr). The curing characteristics, static mechanical and acoustical properties, swelling behavior, thermal stability, and microstructure of the prepared composites were investigated. The results show that regardless of the curing system used, increasing the content of highly dispersive silica resulted in the improvement of the mechanical properties of the studied materials. It was observed that sulfur-based systems are the best choice in terms of cross-linking efficiency determined based on torque increment and cross-link density parameters. However, further analysis of the physico-mechanical properties indicated that the cross-linking efficiency does not match the performance of specimens, and the materials obtained using organic peroxides show higher tensile properties. This is due to the improved physical interactions between the GTR/NBR matrix and highly dispersive silica when using peroxide systems. It was confirmed using the analysis of the Wolff activity coefficient, indicating the enhanced synergy.
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6
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5
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Autorzy (4)
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Javier Cañavate Prof.
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Pełna treść
- Wersja publikacji
- Accepted albo Published Version
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.3390/ma14185345
- Licencja
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
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Materials
nr 14,
ISSN: 1996-1944 - Język:
- angielski
- Rok wydania:
- 2021
- Opis bibliograficzny:
- Zedler Ł., Colom X., Cañavate J., Formela K.: GTR/NBR/Silica Composites Performance Properties as a Function of Curing System: Sulfur versus Peroxides// Materials -Vol. 14,iss. 18 (2021), s.5345-
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.3390/ma14185345
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 117 razy
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