Summary
Ten maleinated jojoba oil derivatives were screened as plasticizers in a standard polyvinyl resin formulation and as softeners for Buna-N rubber. Three of these, the methyl and butyl esters and hydrogenated methyl esters of maleinated jojoba acids, were comparable to the reference standard, DOP, as primary plasticizers for the vinyl resin. Three others were satisfactory only as secondary plasticizers. Six of the derivatives were comparable to the reference softener, dibutyl sebacate, as softeners in a Buna-N formulation and yielded rubbers meeting the low temperature flexibility requirements (−40°C.) of the automotive industry. Two of the six, those made with the butyl and hydrogenated butyl esters of maleinated jojoba acids, met the still more stringent low-temperature requirements of the aircraft industry (−55°C.).
In general, hydrogenation of a derivative adversely affected its compatibility in either the vinyl copolymer or the Buna-N formulations.
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One of the laboratories of the Southern Utilization Research and Development Division, Agricultural Research Service, U. S. Department of Agriculture.
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Fore, S.P., Pastor, H.P., Hughes, J.P. et al. Derivatives of jojoba oil as plasticizers for vinyl polymers and Buna-N rubber. J Am Oil Chem Soc 37, 387–390 (1960). https://doi.org/10.1007/BF02672643
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DOI: https://doi.org/10.1007/BF02672643