Oxidation-Resistant Nano-Reinforced PC-refractories of Modified Phenolformaldehyde Resin. Part 2. Modification of Phenolformaldehyde Resins with Silicon Alkoxide Sols 1

G. D. Semchenko; O. N. Borisenko; V. V. Povshuk; D. A. Brazhnik; L. A. Angolenko; Yu. V. Permyakov; O. A. Vasyuk

doi:10.1007/s11148-017-0031-1

Oxidation-Resistant Nano-Reinforced PC-refractories of Modified Phenolformaldehyde Resin. Part 2. Modification of Phenolformaldehyde Resins with Silicon Alkoxide Sols¹

Autores: Semchenko G.D.¹, Borisenko O.N.², Povshuk V.V.¹, Brazhnik D.A.¹, Angolenko L.A.¹, Permyakov Y.V.¹, Vasyuk O.A.¹
Afiliações:
1. National Technical University Kharkov Polytechnic Institute
2. Kharkov National Economic University
Edição: Volume 57, Nº 6 (2017)
Páginas: 605-608
Seção: Article
URL: https://journal-vniispk.ru/1083-4877/article/view/248639
DOI: https://doi.org/10.1007/s11148-017-0031-1
ID: 248639

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Coking of phenolformaldehyde resins (PFRs) modified with various silicon-alkoxide sols produced structurally varied carbon binders with cavities filled by entrained sols, depending on the structures of the silicon-alkoxide hydrolysis products. The physicomechanical properties improved if PFRs modified with silicon-alkoxide sols were used. Sols with the stoichiometric amount of water hydrolyzed the silicon alkoxide more effectively.