PRODUCTION OF ESSENTIAL ORANGE OIL MICROCAPSULES: COMPARISON OF THE USE OF SURFACTANTS CETILTRIMETILAMONOUS BROMIDE AND POLYSORBATE 20 BY ELECTRONIC SCAN MICROSCOPY
Journal Title: Annals of the University of Oradea. Fascicle of Textiles, Leatherwork - Year 2017, Vol 0, Issue 1
Abstract
Commercial applications of microcapsules began to appear in the textile industry in the late 1990s increasing investments in research to develop functional tissues, with a special focus on value aggregation, coating them with various active substances for the development of innovative products and according to fashion. Microcapsules have been presented as an alternative with regard to the encapsulation of essential oils since it is one of the most effective methods to achieve the goal of controlled release. The orange essential oil has biocidal properties and has been used microencapsulated as an ecological botanical insecticide. The characteristics of microcapsules containing aromatic oils, such as morphology and particle size distribution, depend on the preparation conditions such as the type of emulsifier used and the viscosity of the core material. Thus, for the microcapsules to be effectively used for the development of innovative products in the textile industry, studies on their formulation and characterization are necessary. This article proposes to compare the use of cetyltrimethylammonium bromide and polysorbate surfactants by means of their morphology, by scanning electron microscopy analysis on the formulation of microcapsules whit melamine formaldehyde shell with core of orange essential oil (citrus sinensis) combined with a non-volatile oil Medium Chain Triglycerides produced by interfacial polymerization method. At the end, the microcapsules were analyzed by microcoscopies and the differences in microcapsule morphologies were observed according to the kind of surfactant used.
Authors and Affiliations
Wagner ROSSI SOARES, Mª Angeles Bonet, Eva BOU-BELDA, Wilson KINDLEIN JÚNIOR, Liane ROLDO
Keywords
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