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Synthesis of antioxidant for natural rubber using new heterogeneous catalytic system

  • Bui Dinh NhiEmail author
  • Minh Thi Thao
  • Vu Dinh Ngo
  • Vu Duc Cuong
  • Renat Maratovich Akhmadullin
  • Tatjana Juzsakova
  • Le Phuoc Cuong
Original Paper
  • 7 Downloads

Abstract

In this paper, a new type of heterogeneous catalytic system was devised for the synthesis of 4,4′-bis-(2,6-di-t-butylphenol), (hereinafter referred to as bisphenol-VN). The properties of the catalytic system were studied using SEM–EDS and transmission electron microscope methods. The results have demonstrated the presence of hydrophobic phenolate layer on the surface of the catalytic system, which provides high catalytic activity in the synthesis of bisphenol-VN. The bisphenol-VN obtained was taken for structural analysis by SEM, IR and MS-HPLC methods to prove the purity of the product. Simultaneously, the bisphenol-VN was also tested in natural rubber to enhance the physical–mechanical properties. The use of bisphenol-VN extends the oxidation induction time of natural rubber by three times in the comparison with the commercial antioxidant 6PPD.

Keywords

Natural rubber Antioxidant Composite Synthesis Catalyst 

Notes

Acknowledgements

This work was financially supported by the Viet Tri University of Industry, Viet Nam.

Compliance with ethical standards

Conflict of interest

The authors declare no competing interests.

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Copyright information

© Institute of Chemistry, Slovak Academy of Sciences 2019

Authors and Affiliations

  1. 1.Department of Environmental TechnologyViet Tri University of IndustryViet Tri CityViet Nam
  2. 2.Department of Chemical TechnologyViet Tri University of IndustryViet Tri CityViet Nam
  3. 3.R&D Center AhmadullinS – Science and TechnologyKazanRussian Federation
  4. 4.University of Pannonia, VeszpremVeszpremHungary
  5. 5.The University of Danang-University of Science and TechnologyDanangVietnam

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