Jojoba Oil (Simmondsia Chinensis) as a Natural Plasticizer for Ethylene Propylene Diene Monomer Elastomers

Sandra Vaillant, René D. Peralta, Luis Francisco Ramos, Jaime Wisniak

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

Jojoba oil (JO) as a natural plasticizer for ethylene propylene diene monomer (EPDM) rubber was studied and compared with paraffin oil (PO) at 5, 10, and 20 phr, using sulfur and peroxide cross-linking systems. Vulcanization curves for sulfur systems had the lowest torque value for JO, 26 dNm, whereas for PO, it was 60 dNm. For peroxide systems, the lowest torque value was for PO compounds, 18 dNm, whereas for JO, it was 21 dNm. Stress values for sulfur systems were 12-18 MPa, and for peroxide systems, 14-23 MPa; 23 MPa was for JO compounds. Highest cross-link density values were for sulfur systems with PO >1000 mol/m3. Thermogravimetric analysis indicated volatilization of PO, 250-280 °C and for JO at 400 °C, evidencing better EPDM thermal stability with JO. Results showed a greater plasticizing effect of JO when using sulfur as the cross-linking agent, and its possible use as a renewable plasticizer for EPDM, reducing the concentration of the plasticizer in formulations.

Original languageEnglish
Pages (from-to)20147-20153
Number of pages7
JournalIndustrial & Engineering Chemistry Research
Volume58
Issue number43
DOIs
StatePublished - 30 Oct 2019

ASJC Scopus subject areas

  • Chemistry (all)
  • Chemical Engineering (all)
  • Industrial and Manufacturing Engineering

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