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Thermo-mechanical reclaiming of ground tire rubber via extrusion at low temperature: Efficiency and limits
Abstrakt
Thermomechanical reclaiming of ground tire rubber (GTR) was performed at different temperatures (60, 120, and 180°C) using a co-rotating twin-screw extruder. Obtained samples were used in styrene-butadiene rubber (SBR) blends. As reference samples, SBR compounds containing untreated GTR were used. Curing characteristics, static and dynamic mechanical properties, and morphology of the obtained blends were determined. The results show that the increase of barrel temperature during the thermomechanical reclaiming of GTR has a positive effect on the decrease of screw torque (lower machine load) and decrease of Mooney viscosity (better processing characteristics). However, mechanical properties and cross-link density of rubber revulcanizate decreased with increasing barrel temperature during the reclaiming process. SBR blends with 50 phr of reclaimed rubber showed increasing phase compatibility between SBR matrix and the reclaimed rubber, which was confirmed by mechanical properties and morphology measurements.
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuł w czasopiśmie wyróżnionym w JCR
- Opublikowano w:
-
JOURNAL OF VINYL & ADDITIVE TECHNOLOGY
nr 22,
wydanie 3,
strony 213 - 221,
ISSN: 1083-5601 - Język:
- angielski
- Rok wydania:
- 2016
- Opis bibliograficzny:
- Formela K., Formela M., Haponiuk J.: Thermo-mechanical reclaiming of ground tire rubber via extrusion at low temperature: Efficiency and limits// JOURNAL OF VINYL & ADDITIVE TECHNOLOGY. -Vol. 22, iss. 3 (2016), s.213-221
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 116 razy
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