Abstract
The charge state of melt-spun and melt-blown polypropylene fibers is investigated. It is shown that the production of fibers by melt-spinning and melt-blowing technologies promotes the formation of a spontaneous polarization charge. Possible mechanisms of fiber polarization are analyzed. The influence of parameters of the melt-spinning technological process and forced electrization of fibers during their formation in stationary and alternating electric fields on the magnitude and stability of the electret charge is examined. It is established that the application of a corona discharge to fiber polarization is more efficient for the electret state formation.
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REFERENCES
R. Beyreuter, et al., “Heating energy balance of an on-off controlled polymer melt spinning extruder from the physical point of view,” Chemical Fasern. Textilindustrie, 41, No. 2, 93 (1993).
R. Beyreuter and H. Hofmann, “Melt spinning of hollow fibers,” Chem Fibers Int., 4, No. 1, 54–58 (1997).
R. Beyreuter, H. Brunig, and R. Vogel, “Melt spinning-polymer formation under high stress conditions,” in: Polymeric Materials Encyclopedia. J. C. Salamone (ed.), Vol. 6, CRC Press, New York (1996), pp. 4061–4074.
H. Brunig, “Fabil computer system and application of a model of the filament formation process in multi-filament molding from melt,” Khim. Volokna, 4, 35–40 (1994).
L. S. Pinchuk and V. A. Gol'dade, Electret Materials in Mechanical Engineering [in Byelorussian], Infotribo, Gomel' (1998).
L. S. Pinchuk, A. G. Kravtsov, Yu. I. Voronezhtsev, and Yu. Gromyko, “On the charge state of melt-blown polymer materials,” Int. Polym. Proc., XIII, No. 13, 67–70 (1998).
G. Sessler (ed.), Electrets [Russian translation], Mir, Moscow (1983).
Yu. A. Gorokhovatskii and G. A. Bordovskii, Thermoactivated Current Spectroscopy of High-Resistance Semiconductors and Dielectrics [in Russian], Nauka, Moscow (1998).
J. van Turnhout, Thermally Stimulated Discharge of Polymer Electrets, Amsterdam (1975).
A. I. Gubkin, Electrets [in Russian], Nauka, Moscow (1991).
I. B. Lushcheikin, Polymer Electrets [in Russian], Nauka, Moscow (1984).
A. I. Gubanov, in: Polymer Mechanics [in Russian], Vol. 5 (1978), p. 771.
C. E. Jowett, Electrostatics in the Electronics Environment, Macmillan (1976).
S. I. Naymushina and L. A. Zudova, Electret Effect and Electric Relaxation [in Russian], MIEM, Moscow (1979).
V. F. Synorov, B. I. Sysoev, and V. A. Linnik, Relaxation Methods for Investigation of the Energy Spectrum of Localized States in Semiconductors and Dielectrics [in Russian], Izd. VGU, Voronezh (1983).
A. G. Kravtsov, H. Brunig, and S. V. Zotov, “Analysis of the polarization state of melt-spun polypropylene fibers,” Mater. Technol. Instrum., No. 3, 55–59 (1999).
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Kravtsov, A.G., Zotov, S.V. & Brunig, H. Peculiarities of the Electret State of Melt-Spun and Melt-Blown Fibrous Polypropylene Materials. Mechanics of Composite Materials 36, 491–496 (2000). https://doi.org/10.1023/A:1006762701365
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DOI: https://doi.org/10.1023/A:1006762701365