Thermal aging resistance of natural rubber compounded with conjugated Schiff base

Jianfa Wang; Zheng Gu; Susu Zhang; Ning Wang; Jinyong Sui; Xiaoyi Zhang; Peiyao Li; Wenjin Liu; Yifan Hu

doi:10.14314/polimery.2022.1.3

Published : 2022-01-25

Vol. 67 No. 1 (2022)

Thermal aging resistance of natural rubber compounded with conjugated Schiff base

Jianfa Wang https://orcid.org/0000-0002-1242-3794 Zheng Gu https://orcid.org/0000-0001-9521-2863 Susu Zhang https://orcid.org/0000-0003-3620-0816 Ning Wang https://orcid.org/0000-0003-0693-8318 Jinyong Sui https://orcid.org/0000-0002-4232-3540 Xiaoyi Zhang https://orcid.org/0000-0003-4047-5046 Peiyao Li https://orcid.org/0000-0002-4713-1599 Wenjin Liu https://orcid.org/0000-0001-5563-1801 Yifan Hu https://orcid.org/0000-0001-5563-1801

DOI: https://doi.org/10.14314/polimery.2022.1.3

Abstract

Schiff’s base iron salt can be used as a new and effective antioxidant for rubber compounds.
The tensile strength after 96 h of aging was approx. 36% and 12% higher, respectively, than in the case
of the antioxidants 4010NA and BHT used. Natural rubber vulcanizate (NR) containing the iron salt of Schiff’s base showed excellent rheological and mechanical properties, as well as very good thermal
stability. These properties were far superior to that of other commercially available antioxidant rubber blends.

Keywords

Schiff base iron salt ; natural rubber ; thermal aging resistance sól żelazowa zasady Schiffa ; kauczuk naturalny ; odporność na starzenie

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Wang, J., Gu, Z., Zhang, S., Wang, N., Sui, J., Zhang, X., Li, P., Liu, W., & Hu, Y. (2022). Thermal aging resistance of natural rubber compounded with conjugated Schiff base. Polimery, 67(1), 20-27. https://doi.org/10.14314/polimery.2022.1.3

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