Abstract
The study of the effect of solutions of ammonium salts of low concentrations on polyester fibre material showed that modification of the material with ammonia formed by thermal hydrolysis of ammonium salts differs from modification with ammonia obtained by the reaction of equimolar quantities of ammonium nitrate and sodium hydroxide and is similar to the process that takes place when ammonia is added to the working solution. Of the salts examined, ammonium fluoride in the concentration of 0.02–0.35 M at 130°C and 30-min process time is the most active modifying agent. In these conditions, ammonium fluoride and the products of its high-temperature hydrolysis — hydrogen fluoride and ammonia — have the strongest catalytic effect on hydrolysis of cyclic oligomers with formation of their linear form. On the whole, ammonium fluoride has a stronger modifying effect on polyester material than aqueous ammonia.
This is a preview of subscription content, log in via an institution to check access.
Similar content being viewed by others
References
N. P. Prorokova et al., SU Inventor’s Certificate No. 1835444; published in Byull. Izobr., No. 31 (1993).
N. P. Prorokova et al., SU Patent No. 1806236 A3; published in Byull. Izobr., No. 12 (03.30.93).
N. P. Prorokova, S. Yu. Vavilova, and Yu. A. Kalinnikov, Khim. Volokna, No. 4, 32–35 (1996).
Yu. A. Kalinnikov, I. Yu. Vashurina, et al., Problems in the Chemistry of Solutions and Liquid-Phase Materials Technology: Special Edition for the 20th Anniversary of the Institute of Chemistry of Solutions, Russian Academy of Sciences [in Russian], Ivanovo (2001), pp. 292–301.
N. P. Prorokova, S. Yu. Vavilova, and Yu. A. Kalinnikov, Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 38, No. 4–5, 88–91 (1995).
N. P. Prorokova and S. Yu. Vavilova, Khim. Volokna, No. 6, 15–18 (2006).
D. L. Shan, Man-Made Text. India, 24, No. 2, 81–84 (1981).
N. P. Prorokova and S. Yu. Vavilova, Khim. Volokna, No. 6, 19–21 (2004).
G. E. Krichevskii, Chemical Engineering of Fibre Materials [in Russian], Vol. 1, RosZITLP, Moscow (2000).
M. Clyde Day and Joel Selbin, Theoretical Inorganic Chemistry, 2nd ed., Reinhold, New York (1962).
R. A. Lidin, A. L. Andreeva, and V. A. Molochko, Handbook of Inorganic Chemistry. Constants of Inorganic Substances [in Russian], Khimiya, Moscow (1987).
Encyclopedic Chemical Dictionary [in Russian], Sov. Entsikl., Moscow (1983).
N. P. Prorokova, S. M. Prusova, et al., Tekst. Khim., No. 2 (4), 105–108 (1993).
N. P. Prorokova, S. M. Prusova, et al., Tekst. Prom-st’, No. 6, 38–40 (1993).
A. S. Chegol’ and N. M. Kvash (eds.), Analytical Control in Production of Synthetic Fibres [in Russian], Khimiya, Moscow (1982).
K. S. Krasnov, N. K. Vorob’ev, et al., in: Physical Chemistry. Book2. Electrochemistry. Chemical Kinetics and Catalysis [in Russian], K. S. Krasnov (ed.), 3rd ed., Vysshaya Shkola, Moscow (2001).
Hideki Imafuku, J. Soc. Dyers Color., 109, No. 109, 350–352 (1993).
Author information
Authors and Affiliations
Additional information
__________
Translated from Khimicheskie Volokna, No. 1, pp. 17–21, January–February, 2007.
Rights and permissions
About this article
Cite this article
Prorokova, N.P., Vavilova, S.Y. & Prorokov, V.N. Effect of ammonium salts on poly(ethylene terephthalate) materials. Fibre Chem 39, 20–25 (2007). https://doi.org/10.1007/s10692-007-0005-z
Issue Date:
DOI: https://doi.org/10.1007/s10692-007-0005-z