Homogenizer-intensified room temperature emollient ester isoamyl oleate production

The present study reports a successful experiment to produce emollient ester isoamyl oleate (IAO) in room temperature conditions. The process was conducted under mild conditions without external heating. A factorial design was applied to study the effects of molar ratio, catalyst concentration, and rotational speed over different reaction times. The highest IAO conversion (99.3 %) was achieved within just 5 min at room temperature using a 1: 3 M ratio, 0.1 M catalyst concentration, and 4000 rpm rotational speed. The reaction was completed rapidly due to enhanced mass transfer and mixing. Compared to conventional reflux and microwave-assisted methods, the homogenizer-assisted process reduced energy consumption by up to 93 % and reaction time by over 90 %. This approach demonstrates a promising green alternative for ester production with significant energy and time savings. The poor quality emollient ester due to high processing temperature could be avoided using room temperature esterification production with a homogenizer device. • Homogenizer-assisted esterification produces isoamyl oleate at room temperature. • High conversion (99.3 %) achieved in only 5 min of reaction. • The method avoids high-temperature drawbacks and improves product quality. • Significant reduction in energy usage compared to conventional methods.