Synthesis and study of the properties of containers of DCOIT with the polyurea shell Online publication date: Mon, 23-Sep-2019
by S.B. Aidarova; A.B. Issayeva; A.A. Sharipova; K. Ibrashev; M. Gabdullin; D.O. Grigoriev
International Journal of Nanotechnology (IJNT), Vol. 16, No. 1/2/3, 2019
Abstract: Microbiological contamination of surfaces is a general and everyday phenomenon, which, however, is often underestimated or not taken into account at all. The formation of a microorganism film is the first stage of such an unpleasant phenomenon as biofouling, from which shipping, as well as sea and port infrastructure, suffer particularly. This paper is devoted to the synthesis of micro- and nanocapsules with a polyurea shell, containing a 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one (DCOIT) biocide core by using surface polycondensation. The obtained capsules were characterised by the scanning electron microscopy, laser correlation spectroscopy, energy dispersive X-ray spectroscopy of the EDXS, and by thermogravimetric analysis. The studies revealed the monodispersity and positive charge of the containers, which have folded morphology. The biocide content in the finished containers was 30÷32%.
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