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The relationship between the greying of textiles and the frictional electricity generated in organic solvent systems
Author(s) -
Brewer George E. F.
Publication year - 1952
Publication title -
journal of the american oil chemists' society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.512
H-Index - 117
eISSN - 1558-9331
pISSN - 0003-021X
DOI - 10.1007/bf02645647
Subject(s) - solvent , materials science , textile , composite material , reproducibility , electricity , chemistry , electrical engineering , chromatography , organic chemistry , engineering
SummaryFrictional electricities in two‐component solvent systems have been measured with an electronic amplifier by use of metal cells in which relative motion was produced by a rotating shaft covered by a textile sleeve. The observed voltages and amperages depend upon the rate of agitation, the relative size of cell and rotor, and upon the less well controlled influence of atmospheric and mechanical conditions on the textile materials. The described equipment allows a reproducibility of±30% for the measurement of frictional electricity. Mixtures of solvent pairs were tested, and one or more maxima and/or minima of frictional electricity were observed in these two‐component systems with a reproducibility of ±2% by volume composition. Samples of textile materials were subjected to tests for greying by colloidal graphite‐stearic acid suspensions in two‐component solvent systems. The greying was found to increase and decrease with the observed frictional electricities. Data are reported for frictional electricity and greying observed in Stoddard‐trichloro ethylene and also in Stoddard‐tert. butanol mixtures.