Investigation of the rheological structural parameters of a network of NBRbased vulcanizates with the participation of chlorine-containing

Authors

  • shiraz mamedov aInstitute of Radiation Problems of the Ministry of Science and Education of the Republic of Azerbaijan, Baku, AZ1143, Azerbaijan
  • G. H Azizova bAzerbaijan State University of Oil and Industry, Baku AZ1010, Azerbaijan
  • R. F Khankishiyeva aInstitute of Radiation Problems of the Ministry of Science and Education of the Republic of Azerbaijan, Baku, AZ1143, Azerbaijan bAzerbaijan State University of Oil and Industry, Baku AZ1010, Azerbaijan
  • F. A Amirov Azerbaijan State University of Oil and Industry, Baku AZ1010, Azerbaijan
  • G. A Mammadova aInstitute of Radiation Problems of the Ministry of Science and Education of the Republic of Azerbaijan, Baku, AZ1143, Azerbaijan
  • I. G Movlayev Azerbaijan State University of Oil and Industry, Baku AZ1010, Azerbaijan
  • J. S Mammadov aInstitute of Radiation Problems of the Ministry of Science and Education of the Republic of Azerbaijan, Baku, AZ1143, Azerbaijan

Keywords:

nitrile butadiene rubber, hexachloroparaxylene, Mooney viscosity, sol fraction, rheology, crosslinking, vulcanization, gel, plasticity, dispersion

Abstract

A new class of active organic crosslinking agents for the vulcanization of NBR on the basis of chlorine-containing compounds (CCAC) has been found, allowing to improve significantly the rheological and structural parameters of NBR. Gel content and Mooney viscosity in binary systems after plastification on rollers were studied. The sol fraction of crosslinked NBR (SKN-40+CCAC) was found to be characterized by a bimodal MWD. Abnormally high value of MW/Mns of sol fractions is associated with the bimodal nature of their MWD and indicates the presence of gel in the elastomer. The value of Mη of the sol fractions in cross-linked NBR was found to be insignificant. The sol fraction of cross-linked HCPX elastomer was shown to have lower values of the specified parameters and lower content of high-molecular weight fractions. The branching density ρ of macromolecules of sol fraction of cross-linked NBR was 1.90-2.3·10-3, i.e. on average corresponded to one monomer unit and two hundred branching nodes per molecule.  

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Published

2024-12-26

How to Cite

mamedov, shiraz, Azizova, G. H., Khankishiyeva, R. F., Amirov, F. A., Mammadova, G. A., Movlayev, I. G., & Mammadov, J. S. (2024). Investigation of the rheological structural parameters of a network of NBRbased vulcanizates with the participation of chlorine-containing . Journal of New Technology and Materials, 13(01), 70–74. Retrieved from http://review.univ-oeb.dz/ojs.jntm/index.php/jntm/article/view/17

Issue

Vol. 13 No. 01 (2023)

Section

Articles

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This work is licensed under a Creative Commons Attribution 4.0 International License.