Imparting ion-exchange properties to fibrous polycaproamide materials by chemically initiated graft copolymerization
https://doi.org/10.20914/2310-1202-2022-1-232-237
Abstract
The study of the types and properties of surgical threads, as well as the experience in the production of suture surgical material and its use shows that the most promising for surgical practice are threads with antimicrobial properties. Of the methods for fixing medicinal compounds with chemical bonds for suture materials, the most expedient is their attachment by the reaction of ion-exchange interaction. Since polycaproamide (PCA) practically does not contain functional groups, a preliminary modification stage is required to impart ion-exchange properties to PCA fibrous materials. One of these stages of modification is the process of graft polymerization of methacrylic acid (MAA) in order to create active groups on the fiber, for example, peroxide or hydroperoxide. Modification of chemical fibers by graft copolymerization with inogenic monomers is one of the widespread methods of obtaining fibrous ion exchangers. Principles, new approaches and technologies for imparting ion-exchange properties to fibrous polycaproamide materials by chemically initiated graft copolymerization have been developed. Regularities in the production of fibrous PCA of sorption active materials by chemical initiation by a redox system (Fe2++H2O2) located in a modifying bath, as well as by pre-oxidation of fiber PCA in order to create peroxide and hydroperoxide groups on the fiber, are revealed.
About the Authors
V. A. Zhukovskiy
Saint-Petersburg State University of Industrial Technologies and Design
Cand. Sci. (Engin.), professor, nanostructured, fiber and composite materials. A.I. Meosa department, Bolshaya Morskaya Street, 18, Saint-Petersburg, 191186, Russia
V. A. Khokhlova
Saint-Petersburg State University of Industrial Technologies and Design
Cand. Sci. (Engin.), associate professor, nanostructured, fiber and composite materials. A.I. Meosa department, Bolshaya Morskaya Street, 18, Saint-Petersburg, 191186, Russia
T. S. Filipenko
Saint-Petersburg State University of Industrial Technologies and Design
Cand. Sci. (Engin.), director of the Center for Support of Scientific Developments, Research Institute of Special Materials, Bolshaya Morskaya Street, 18, Saint-Petersburg, 191186, Russia
T. U. Anuschenko
Saint-Petersburg State University of Industrial Technologies and Design
leading engineer, Research Institute of Special Materials, Bolshaya Morskaya Street, 18, Saint-Petersburg, 191186, Russia
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Review
For citations:
Zhukovskiy V.A., Khokhlova V.A., Filipenko T.S., Anuschenko T.U. Imparting ion-exchange properties to fibrous polycaproamide materials by chemically initiated graft copolymerization. Proceedings of the Voronezh State University of Engineering Technologies. 2022;84(1):232-237. (In Russ.) https://doi.org/10.20914/2310-1202-2022-1-232-237
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