Processing, physico-mechanical and thermal properties of reclaimed GTR and NBR/reclaimed GTR blends as function of various additives

Łukasz Zedler; Marta Przybysz-Romatowska; Marek Klein; Mohammed Saeb; Krzysztof Formela

doi:10.1016/j.polymdegradstab.2017.07.004

Processing, physico-mechanical and thermal properties of reclaimed GTR and NBR/reclaimed GTR blends as function of various additives

Abstrakt

In this work, ground tire rubber (GTR) was mechano-chemically reclaimed in the presence of bitumen and various additives. During studies three types of processing and curing additives: (i) peptizer P300; (ii) vulcanization accelerator tetramethylthiuram disulfide (TMTD) and (iii) organic peroxide di(2-tert-butyl-peroxyisopropyl)benzene (BIB1) were applied to enhance reclaiming of GTR. Reclaiming process was evaluated by oscillating disc rheometer measurements, followed by physico-mechanical and thermal properties analyses performed on vulcanized reclaimed rubber. Additionally, the impact of used additive type on the selected properties of NBR/reclaimed GTR blends were also evaluated. The results showed that application of peptizer P300 and TMTD accelerator improves processing of obtained reclaimed rubber, while simultaneously the mechanical properties of reclaimed rubber decreased as function of additive type, in the order: peptizer P300 > peroxide BIB1 > accelerator TMTD. On the other hand, this tendency was less visible in case of NBR/reclaimed GTR blends. This phenomenon is related to cross-linking efficiency of used additives which was confirmed by swelling behavior, FTIR and TGA-FTIR analysis. Presented investigations confirmed that application of processing and curing additives during mechano-chemical reclaiming is interesting route to modify the final properties of reclaimed rubber and its blends with the fresh rubber compounds.

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Autorzy (5)

Łukasz Zedler dr inż.
Marta Przybysz-Romatowska
Marek Klein
- Instytut Maszyn Przepływowych PAN Zakład Energii Odnawialnych
Mohammed Saeb
- Institute for Color Science and Technology, Teheran, Iran Department of Resin and Additives
Krzysztof Formela dr inż.

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Kategoria:: Publikacja w czasopiśmie
Typ:: artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:: POLYMER DEGRADATION AND STABILITY nr 143, strony 186 - 195,
ISSN: 0141-3910
Język:: angielski
Rok wydania:: 2017
Opis bibliograficzny:: Zedler Ł., Przybysz-Romatowska M., Klein M., Saeb M., Formela K.: Processing, physico-mechanical and thermal properties of reclaimed GTR and NBR/reclaimed GTR blends as function of various additives// POLYMER DEGRADATION AND STABILITY. -Vol. 143, (2017), s.186-195
DOI:: Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.polymdegradstab.2017.07.004
Weryfikacja:: Politechnika Gdańska