Получение сополимера аллилового эфира салициловой кислоты со стиролом и исследование его антигрибковых свойств

Abstract

The reactions of radical copolymerization of the allyl ester of salicylic acid with styrene were carried out and their patterns and products were studied. The Feinemann-Ross method was used to determine the constants of the relative activity of the copolymers (r1 = 0.02 and r2 = 9.6) and the parameters of the microstructure of the obtained copolymers. It was found that with an increase in the styrene content from 10 to 90 mol. % in the initial mixture of monomers, the average length of microblocks consisting of styrene units increases from 2.07 to 87.4, the length of microblocks of allylsalicylate units practically does not change, and the Harvurd constants decrease from 61.60 to 2.26. The results of studying the composition and structure of styrene and allyl salicylate copolymer samples under various conditions, as well as the values of the copolymerization constants and microstructure parameters, show that the copolymer macromolecules have a statistical structure, include allylsalicylate fragments and styrene microblocks. Studying the antifungal properties, it was found that the investigated copolymer of allyl ester of salicylic acid with styrene possesses such properties. Micromycetes such as Aspergillus niger, A.ochraseus, Penicillium cuclopium, Cladosporium herbarium, Fusarium moniliforme and F.oxysporium were used as test cultures.