Continuous reactors of frontal polymerization in flow for the synthesis of polyacrylamide hydrogels with prescribed properties
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Anahit O. Tonoyan
,
Anahit Z. Varderesyan
Abstract
Taking into account the fact that since the 1970s frontal polymerization (FP) reactors in flow have been the subject of our study, the work gives a brief chronology of the development of FP reactors for the synthesis of high molecular polymers, polymeric hydrogels with cross-linked structure, their advantages and drawbacks. The reasons for the impossibility of the practical implementation of tubular FP reactors in flow for the synthesis of polymers are established. The possibility of implementation of tubular FP reactors for the synthesis of polyacrylamide hydrogels (PAH) capable of absorbing and releasing large amount of water is presented. The paper also presents some data on the methods for the synthesis of PAHs with prescribed properties in tubular continuous FP reactors by way of using nano-additives and regulating the kinetics of the synthesis process. As a result, the synthesis process of PAHs with the required properties both in the absorption and release of water, and in the physical-mechanical properties was carried out in frontal tubular-type reactors in flow, and the water absorption kinetic curves and physical-mechanical properties of the obtained hydrogels are presented.
Funding source: Ministry of Education and Science
Acknowledgments
The work was supported by Science Committee of the Ministry of Education and Science of Armenia.
Author contribution: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: None declared.
Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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© 2020 Walter de Gruyter GmbH, Berlin/Boston
Artikel in diesem Heft
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- Microcellular foaming behavior of ether- and ester-based TPUs blown with supercritical CO2
- Influence of chain interaction and ordered structures in polymer dispersed liquid crystalline membranes on thermal conductivity
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- Fabrication of poly (1, 8-octanediol-co-Pluronic F127 citrate)/chitin nanofibril/bioactive glass (POFC/ChiNF/BG) porous scaffold via directional-freeze-casting
- Engineering and processing
- Continuous reactors of frontal polymerization in flow for the synthesis of polyacrylamide hydrogels with prescribed properties
- Effect of slot end faces on the three-dimensional airflow field from the melt-blowing die
- Experimental and numerical study of the crushing behavior of pultruded composite tube structure
Artikel in diesem Heft
- Frontmatter
- Material properties
- Effects of ethanol content on the properties of silicone rubber foam
- Swelling behavior and mechanical properties of Chitosan-Poly(N-vinyl-pyrrolidone) hydrogels
- Microcellular foaming behavior of ether- and ester-based TPUs blown with supercritical CO2
- Influence of chain interaction and ordered structures in polymer dispersed liquid crystalline membranes on thermal conductivity
- Experimental investigations on compressive, impact and prediction of stress-strain of fly ash-geopolymer and portland cement concrete
- Preparation and assembly
- Fabrication of poly (1, 8-octanediol-co-Pluronic F127 citrate)/chitin nanofibril/bioactive glass (POFC/ChiNF/BG) porous scaffold via directional-freeze-casting
- Engineering and processing
- Continuous reactors of frontal polymerization in flow for the synthesis of polyacrylamide hydrogels with prescribed properties
- Effect of slot end faces on the three-dimensional airflow field from the melt-blowing die
- Experimental and numerical study of the crushing behavior of pultruded composite tube structure
